1461148759-c1864432-3607-4534-ba77-4499ad128af5

1. An image transmission apparatus, comprising:
a difference image specifying unit for specifying a difference image indicating a difference between an image before changing and an image after changing;
a pattern determination unit for determining a pattern for optimizing compression coding of the difference image and transmission of the compression-coded difference image from among one or more box pattern including the difference image;
a compression coding unit for performing compression coding of the difference image using each of boxes constituting the pattern determined by the pattern determination unit as a unit of compression coding; and
a transmitting unit for transmitting the compression-coded difference image.
2. The image transmission apparatus of claim 1, further comprising
a change instruction unit for accepting an instruction on a change from a current output of an image before changing by an image output apparatus to an output of a image after changing desirably,
wherein the difference image specifying unit specifies the difference image indicating the difference between the image before changing currently output by the image output apparatus and the image after changing desirably, and
the transmitting unit transmits the compression-coded difference image to the image output apparatus.
3. The image transmission apparatus of claim 2, wherein
the transmitting unit transmits position information of the difference image to the image output apparatus.
4. An image output apparatus, comprising:
a receiver unit for receiving the difference image and position information of the difference image from the image transmission apparatus according to claim 3;
an output unit for outputting an image;
an expansion unit for decoding and expanding the difference image; and
a controller unit for controlling the output unit so as to substitute a part indicated by the position information of the difference image in the image before changing with the decoded and expanded difference image and to output the image.
5. An image transmission method to be performed by one or more computer, comprising:
specifying a difference image indicating a difference between an image before changing and an image after changing;
determining a pattern for optimizing compression coding of the difference image and transmission of the compression-coded difference image from among one or more box pattern including the difference image;
performing compression coding of the difference image using each of boxes constituting the determined pattern as a unit of compression coding; and
transmitting the compression-coded difference image.
6. A non-transitory recording medium on which a program for causing a computer to execute an image transmission is non-transitorily recorded, the program comprising computer-executable instructions of:
specifying a difference image indicating a difference between an image before changing and an image after changing;
determining a pattern for optimizing compression coding of the difference image and transmission of the compression-coded difference image from among one or more box pattern including the difference image;
performing compression coding of the difference image using each of boxes constituting the determined pattern as a unit of compression coding; and
transmitting the compression-coded difference image.
7. An image transmission system, comprising:
a difference image specifying unit for specifying a difference image indicating a difference between an image before changing and an image after changing;
a pattern determination unit for determining a pattern for optimizing compression coding of the difference image and transmission of the compression-coded difference image from among one or more box pattern including the difference image;
a compression coding unit for performing compression coding of the difference image using each of boxes constituting the pattern determined by the pattern determination unit as a unit of compression coding;
a transmitting unit for transmitting the compression-coded difference image;
a receiver unit for receiving the difference image and position information of the difference image;
an output unit for outputting an image;
an expansion unit for decoding and expanding the difference image; and
a controller unit for substituting a part indicated by the position information of the difference image in the image before changing with the decoded and expanded difference image and outputting the image to the output unit.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A memory read method for a rewritable non-volatile memory module, wherein the rewritable non-volatile memory module has a plurality of memory cells, a plurality of word lines and a plurality of bit lines, each of the memory cells electrically connected to one of the word lines and one of the bit lines, each of the memory cells stores at least one bit data, each of the bit data is identified as a first state or a second state according to a voltage, and the memory cells constitute a plurality of physical pages, the memory read method comprising:
applying a test voltage to a first word line among the word lines to read a plurality of verification bit data, wherein a threshold voltage set is set with a first read voltage value set and assigned to the first word line;
calculating a variation of bit data identified as the first state among the verification bit data;
obtaining a second read voltage value set according to the variation;
updating the threshold voltage set with the second read voltage value set; and
using the threshold voltage set updated with the second read voltage value set to read data from a first physical page among the physical pages, wherein memory cells constituting the first physical page among the memory cells are electrically connected to the first word line.
2. The data reading method according to claim 1, further comprising:
programming test data into the memory cells connected by the first word line and applying the test voltage to the first word line to read a plurality of initial verification bit data; and
calculating an amount of bit data identified as the first state among the initial verification bit data.
3. The data reading method according to claim 2, wherein the step of calculating the variation of bit data identified as the first state among the verification bit data comprises:
calculating an amount of bit data identified as the first state among the verification bit data; and
obtaining the variation by subtracting the amount of bit data identified as the first state among the initial verification bit data from the amount of bit data identified as the first state among the verification bit data.
4. The data reading method according to claim 1, further comprising:
determining whether an amount of error bits occurring in data read from the first physical page by using the threshold voltage set updated with the second read voltage value set is larger than a predetermined threshold;
using a margin to adjust the second read voltage value set to generate a third read voltage value set and updating the threshold voltage set with the third read voltage value set if the amount of error bits occurring in the data read from the first physical page by using the threshold voltage set updated with the second read voltage value set is larger than the predetermined threshold; and
performing a retry read on the first physical page by using the threshold voltage set updated with the third read voltage value set.
5. The data reading method according to claim 1, wherein the first read voltage value set includes a plurality of read voltage values and a value of the test voltage is equal to a maximum read voltage value among the read voltage values or between the maximum read voltage value and a second largest read voltage value among the read voltage values.
6. The data reading method according to claim 1, further comprising:
reading data from the first physical page by using the threshold voltage set with the first read voltage value set;
determining whether an amount of error bits occurring in the data read from the first physical page by using the threshold voltage set with the first read voltage value set is larger than a predetermined threshold;
wherein the step of applying the test voltage to the first word line to read the plurality of verification bit data is performed if the amount of error bits occurring in the data read from the first physical page by using the threshold voltage set with the first read voltage value set is larger than the predetermined threshold.
7. The data reading method according to claim 1, further comprising:
determining whether an erase count of the rewritable non-volatile memory module is larger than an erase count threshold,
wherein the step of applying the test voltage to the first word line to read the plurality of verification bit data is performed if the erase count of the rewritable non-volatile memory module is larger than the erase count threshold.
8. The data reading method according to claim 1, wherein the step of obtaining the second read voltage value set according to the variation comprises:
looking up a read voltage corresponding table according to the variation to obtain the second read voltage value set.
9. A memory controller for reading data from a plurality of memory cells of a rewritable non-volatile memory module, the control comprising:
an interface configured to electrically connected to the memory cells, a plurality of word lines and a plurality of bit lines, wherein each of the memory cells electrically connected to one of the word lines and one of the bit lines, each of the memory cells stores at least one bit data, each of the bit data is identified as a first state or a second state according to a voltage and the memory cells constitute a plurality of physical pages; and
a memory management circuit coupled to the interface and configured to apply a test voltage to a first word line among the word lines to read a plurality of verification bit data, wherein the memory management circuit set a first read voltage value set as a threshold voltage set for the first word line,
wherein the memory management circuit is further configured to calculate a variation of bit data identified as the first state among the verification bit data and obtain a second read voltage value set based on the variation,
wherein the memory management circuit is further configured to update the threshold voltage set with the second read voltage value set and read data from a first physical page among the physical pages by using the threshold voltage set updated with the second read voltage value set, wherein memory cells constituting the first physical page among the memory cells are electrically connected to the first word line.
10. The control circuit according to claim 9, wherein the memory management circuit is further configured to program test data into the memory cells connected by the first word line and apply the test voltage to the first word line to read a plurality of initial verification bit data,
wherein the memory management circuit is further configured to calculate an amount of bit data identified as the first state among the initial verification bit data.
11. The control circuit according to claim 10, wherein in the operation of calculating the variation of bit data identified as the first state among the verification bit data, the memory management circuit calculates an amount of bit data identified as the first state among the verification bit data and obtains the variation by subtracting the amount of bit data identified as the first state among the initial verification bit data from the amount of bit data identified as the first state among the verification bit data.
12. The control circuit according to claim 9, wherein the memory management circuit is further configured to determine whether an amount of error bits occurring in data read from the first physical page by using the threshold voltage set updated with the second read voltage value set is larger than a predetermined threshold,
if the amount of error bits occurring in the data read from the first physical page by using the threshold voltage set updated with the second read voltage value set is larger than the predetermined threshold, the memory management circuit uses a margin to adjust the second read voltage value set to generate a third read voltage value set, updates the threshold voltage set with the third read voltage value set and performs a retry read on the first physical page by using the threshold voltage set updated with the third read voltage value set.
13. The control circuit according to claim 9, wherein the first read voltage value set includes a plurality of read voltage values, and a value of the test voltage is equal to a maximum read voltage value among the read voltage values or between the maximum read voltage value and a second largest read voltage value among the read voltage values.
14. The control circuit according to claim 9, wherein the memory management circuit is further configured to read data from the first physical page by using the threshold voltage set with the first read voltage value set and determine whether an amount of error bits occurring in the data read from the first physical page by using the threshold voltage set with the first read voltage value set is larger than a predetermined threshold,
wherein the memory management circuit applies the test voltage to the first word line to read the plurality of verification bit data if the amount of error bits occurring in the data read from the first physical page by using the threshold voltage set with the first read voltage value set is larger than the predetermined threshold.
15. The control circuit according to claim 9, wherein the memory management circuit is further configured to determine whether an erase count of the rewritable non-volatile memory module is larger than an erase count threshold,
wherein the memory management circuit applies the test voltage to the first word line to read the plurality of verification bit data if the erase count of the rewritable non-volatile memory module is larger than the erase count threshold.
16. The control circuit according to claim 9, wherein in the operation of obtaining the second read voltage value set according to the variation, the memory management circuit looks up a read voltage corresponding table according to the variation to obtain the second read voltage value set.
17. A memory storage apparatus, comprising:
a connector configured to couple to a host system;
a rewritable non-volatile memory module, wherein the rewritable non-volatile memory module has a plurality of memory cells, a plurality of word lines and a plurality of bit lines, each of the memory cells electrically connected to one of the word lines and one of the bit lines, each of the memory cells stores at least one bit data, each of the bit data is identified as a first state or a second state according to a voltage and the memory cells constitute a plurality of physical pages; and
a memory controller coupled to the connector and the rewritable non-volatile memory module, wherein the memory controller is configured to apply a test voltage to a first word line among the word lines to read a plurality of verification bit data, wherein the memory controller sets a first read voltage value set as a threshold voltage set for the first word line,
wherein the memory controller is further configured to calculate a variation of bit data identified as the first state among the verification bit data and obtain a second read voltage value set based on the variation,
wherein the memory controller is further configured to update the threshold voltage set with the second read voltage value set and read data from a first physical page among the physical pages by using the threshold voltage set updated with the second read voltage value set, wherein memory cells constituting the first physical page among the memory cells are electrically connected to the first word line.
18. The memory storage apparatus according to claim 17, wherein the memory controller is further configured to program test data into the memory cells connected by the first word line and apply the test voltage to the first word line to read a plurality of initial verification bit data,
wherein the memory controller is further configured to calculate an amount of bit data identified as the first state among the initial verification bit data.
19. The memory storage apparatus according to claim 18, wherein in the operation of calculating the variation of bit data identified as the first state among the verification bit data, the memory controller calculates an amount of bit data identified as the first state among the verification bit data and obtains the variation by subtracting the amount of bit data identified as the first state among the initial verification bit data from the amount of bit data identified as the first state among the verification bit data.
20. The memory storage apparatus according to claim 17, wherein the memory controller is further configured to determine whether an amount of error bits occurring in data read from the first physical page by using the threshold voltage set updated with the second read voltage value set is larger than a predetermined threshold,
if the amount of error bits occurring in the data read from the first physical page by using the threshold voltage set updated with the second read voltage value set is larger than the predetermined threshold, the memory controller uses a margin to adjust the second read voltage value set to generate a third read voltage value set, updates the threshold voltage set with the third read voltage value set and performs a retry read on the first physical page by using the threshold voltage set updated with the third read voltage value set.
21. The memory storage apparatus according to claim 17, wherein the first read voltage value set includes a plurality of read voltage values, and a value of the test voltage is equal to a maximum read voltage value among the read voltage values or between the maximum read voltage value and a second largest read voltage value among the read voltage values.
22. The memory storage apparatus according to claim 17, wherein the memory controller is further configured to read data from the first physical page by using the threshold voltage set with the first read voltage value set and determine whether an amount of error bits occurring in the data read from the first physical page by using the threshold voltage set with the first read voltage value set is larger than a predetermined threshold,
wherein the memory controller applies the test voltage to the first word line to read the plurality of verification bit data if the amount of error bits occurring in the data read from the first physical page by using the threshold voltage set with the first read voltage value set is larger than the predetermined threshold.
23. The memory storage apparatus according to claim 17, wherein the memory controller is further configured to determine whether an erase count of the rewritable non-volatile memory module is larger than an erase count threshold,
wherein the memory controller applies the test voltage to the first word line to read the plurality of verification bit data if the erase count of the rewritable non-volatile memory module is larger than the erase count threshold.
24. The memory storage apparatus according to claim 17, wherein in the operation of obtaining the second read voltage value set according to the variation, the memory controller looks up a read voltage corresponding table according to the variation to obtain the second read voltage value set.
25. A memory module, comprising:
a plurality of word lines;
a plurality of bit lines;
a plurality of memory cells, wherein each of the memory cells electrically connected to one of the word lines and one of the bit lines, each of the memory cells stores at least one bit data, each of the bit data is identified as a first state or a second state according to a voltage and the memory cells constitute a plurality of physical pages; and
a control circuit coupled to the word lines, the bit lines and the memory cells, wherein the control circuit is configured to apply a test voltage to a first word line among the word lines to read a plurality of verification bit data, wherein the control circuit sets a first read voltage value set as a threshold voltage set for the first word line,
wherein the control circuit is further configured to calculate a variation of bit data identified as the first state among the verification bit data and obtain a second read voltage value set based on the variation,
wherein the control circuit is further configured to update the threshold voltage set with the second read voltage value set and read data from a first physical page among the physical pages by using the threshold voltage set updated with the second read voltage value set, wherein memory cells constituting the first physical page among the memory cells are electrically connected to the first word line.

1461148747-237a2e43-179f-4ccc-8d28-664181241e09

1. An object detection system comprising:
an electrode arranged proximate to a location to sense a presence of an object at the location, said electrode exhibiting an electrode impedance indicative of the presence of an object;
a reference impedance device coupled to the electrode to form a detection network;
a signal generator comprising an excitation signal output coupled to the detection network, said excitation signal output configured to output an excitation signal having an excitation frequency to generate an electrode signal on the detection network having an electrode signal magnitude indicative of the presence of an object; and
a sample and hold means configured to sub-sample the electrode signal at a sampling frequency and generate a sub-sampled electrode signal having a sub-sampled electrode signal magnitude indicative of the electrode signal magnitude, whereby an occupancy state is determined based on the sub-sampled electrode signal magnitude.
2. The system in accordance with claim 1, wherein said system is arranged in a vehicle, said electrode is arranged adjacent a seating surface of a vehicle seat to sense if an object is occupying the vehicle seat based on the sub-sampled electrode signal magnitude, and said occupancy state includes an empty seat state and an occupant present state.
3. The system in accordance with claim 2, wherein said system further comprises an air bag module that receives an activation signal based on the determined occupancy state.
4. The system in accordance with claim 1, wherein said reference impedance device is interposed between the electrode and the signal generator, wherein said reference impedance device comprises a first terminal coupled to the electrode and a second terminal coupled to the signal generator.
5. The system in accordance with claim 4, wherein said reference impedance device comprises a capacitor interposed between the first terminal and the second terminal, whereby the detection network exhibits a voltage division characteristic indicative of the occupancy state.
6. The system in accordance with claim 4, wherein said reference impedance device further comprises an inductor connected to the second terminal, whereby the detection network exhibits a voltage division characteristic having a resonant frequency indicative of the occupancy state.
7. The system in accordance with claim 1, wherein said signal generator further comprises a sampling signal output configured to output a sampling signal to the sample and hold means to determine the sampling frequency of the sample and hold means.
8. The system in accordance with claim 1, wherein the sampling frequency is selected to have a varying phase difference with respect to the excitation signal.
9. The system in accordance with claim 1, wherein said system further comprises a filter configured to reduce by an effective amount harmonics of the excitation signal, harmonics of the sampling signal, and a fold-over signal having a fold-over frequency based on the sampling frequency and the excitation frequency.
10. The system in accordance with claim 1, wherein said system further comprises an analog-to-digital converter (ADC) configured to output a series of signal values at an ADC clock frequency sufficient for the signal values to indicate the sub-sampled signal magnitude.
11. The system in accordance with claim 1, wherein said signal generator further comprises a second sampling signal output configured to output a second sampling signal having a second sampling frequency base on the excitation frequency, said system further comprising a second sample and hold means configured to sample the excitation signal at the second sampling frequency to generate a sub-sampled excitation signal having a sub-sampled excitation signal frequency based on the excitation frequency and the second sampling frequency, and having a sub-sampled excitation signal magnitude indicative of the excitation signal magnitude, whereby the occupant detection is based on the sub-sampled electrode signal magnitude relative to the sub-sampled excitation signal magnitude.
12. The system in accordance with claim 11, wherein the sampling frequency and the second sampling frequency are equal and the phase of the sampling signal and the phase of the second sampling frequency are different.
13. A controller for use in a vehicle occupant detection system having an electrode coupled to the controller, wherein the electrode is arranged proximate to an expected location of an occupant for sensing an occupancy state proximate thereto and exhibiting an electrode impedance indicative of an occupancy state, said controller comprising:
a reference impedance device coupled to the electrode to form a detection network;
a signal generator comprising an excitation signal output coupled to the detection network, said excitation signal output configured to output an excitation signal having an excitation frequency to generate an electrode signal on the detection network having an electrode signal magnitude indicative of the occupancy state; and
a sample and hold means configured to sample the electrode signal at a sampling frequency and generate a sub-sampled electrode signal having a sub-sampled electrode signal magnitude indicative of the electrode signal magnitude, whereby the occupancy state is detected based on the sub-sampled electrode signal magnitude.
14. A method for detecting an object at a location comprising the steps of:
arranging an electrode proximate to the location to sense a presence of an object at the location, said electrode exhibiting an electrode impedance indicative of the presence of an object;
outputting an excitation signal that is coupled to the electrode, said excitation signal having an excitation frequency selected based on the electrode impedance;
generating an electrode signal in response to the excitation signal, said electrode signal having an electrode signal magnitude indicative of the presence of an object;
sub-sampling the electrode signal at a sampling frequency, said sampling frequency selected based on the excitation frequency;
generating a sub-sampled electrode signal having a sub-sampled electrode signal magnitude indicative of the presence of an object; and
determining an occupancy state based on the sub-sampled electrode signal magnitude indicating that an object is present at the location.
15. The method in accordance with claim 14, wherein the location is a vehicle seat, the step of arranging the electrode includes arranging the electrode adjacent a seating surface of the vehicle seat to sense if an object is occupying the vehicle seat; and the step of determining an occupancy state includes determining an empty seat state and an occupant present state.
16. The method in accordance with claim 15, said method further comprising the step of;
determining the activation status of an air bag module based on the step of determining the occupancy state.
17. The method in accordance with claim 14, wherein the excitation signal comprises a plurality of frequencies, the electrode signal magnitude exhibits a frequency response characteristic having a resonant frequency indicative of the occupancy state, the sub-sampled electrode signal magnitude is indicative of the resonant frequency, and the step of determining an occupancy state is based on determining the resonant frequency.
18. The method in accordance with claim 14, wherein the sampling frequency is selected to have a varying phase difference with respect to the excitation signal.
19. The method in accordance with claim 14, said method further comprising the step of:
converting the sub-sampled electrode signal into a series of analog-to-digital converter (ADC) output values, wherein the ADC is clocked at a clock frequency sufficient for the ADC output values to provide an indication of the sub-sampled electrode signal magnitude.
20. The method in accordance with claim 14, said method further comprising the steps of:
sub-sampling the excitation signal at a second sampling frequency, said second sampling frequency selected based on the excitation frequency;
generating a sub-sampled excitation signal having a sub-sampled excitation signal magnitude; and
determining an occupancy state based on a determination of the sub-sampled electrode signal magnitude with respect to the sub-sampled excitation signal magnitude.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method for balancing thrust in a turbine provided with a rotatable rotor, the method comprising:
providing a first pressure source outside of said turbine;
providing a pressure chamber inside of said turbine, wherein a wall of said pressure chamber acts on said rotor so that to balance thrust exerted by said rotor when it rotates;
connecting said first pressure source to said pressure chamber via a first conduit; and
associating a first valve to said first conduit, said first valve being arranged to open and close said first conduit,
wherein said first valve is arranged to open automatically when the pressure upstream of said first valve exceeds a first predetermined threshold value.
2. The method of claim 1, wherein said first valve is configured to be completely closed when the pressure upstream of said first valve is smaller than said first predetermined threshold value, and to be completely opened when the pressure upstream of said first valve is greater than said first predetermined threshold value.
3. The method of claim 1, further comprising:
associating a first orifice to said first conduit to choke said first conduit,
wherein said first orifice is sized to establish a choked flow inside said first conduit.
4. The method of claim 1, further comprising:
providing a second pressure source outside of said turbine;
connecting said second pressure source to said pressure chamber via a second conduit;
associating a second valve to said second conduit, said second valve being arranged to open and close said second conduit; and
associating a second orifice to said second conduit to choke said second conduit,
wherein said second valve is arranged to open automatically when the pressure upstream of said second valve exceeds a second predetermined threshold value; and
wherein said second orifice is sized to establish a choked flow inside said second conduit.
5. The method of claim 1, further comprising:
providing a third pressure source outside of said turbine; and
connecting said third pressure source to said pressure chamber via a third conduit.
6. A turbine comprising:
a rotatable rotor;
a pressure chamber, wherein a wall of said pressure chamber is arranged to act on said rotor to balance thrust exerted by said rotor when it rotates;
a first conduit connected to said pressure chamber and arranged to be connected to a first pressure source; and
a first valve associated to said first conduit and arranged to open and close said first conduit,
wherein said first valve is arranged to open automatically when the pressure upstream of said first valve exceeds a first predetermined threshold value.
7. The turbine of claim 6, further comprising:
a first orifice associated to said first conduit to choke said first conduit,
wherein said first orifice is sized to establish a choked flow inside said first conduit.
8. The turbine of claim 6, wherein said first automatic valve comprises:
a mechanical valve comprising a mechanical control member for its openingclosing; and
a hydraulic actuator comprising a mechanical actuation member, wherein said hydraulic actuator is hydraulically connected to said first conduit and said mechanical actuation member is mechanically connected to said mechanical control member.
9. The turbine of claim 6, further comprising a bearing, in particular a ball bearing, and wherein part of said thrust exerted by said rotor when it rotates is balanced by said bearing.
10. The turbine of claim 6, further comprising a plurality of cascaded stages, and wherein said thrust bearing is located downstream of the last stage of said plurality of cascaded stages.
11. The turbine of claim 6, wherein said first conduit passes through an exhaust of said turbine and is externally aerodynamically shaped.
12. A turbine engine comprising:
a cascade connection of a compressor; and
a turbine downstream of said compressor, wherein said turbine comprises:
a rotatable rotor;
a pressure chamber, wherein a wall of said pressure chamber is arranged to act on said rotor to balance thrust exerted by said rotor when it rotates;
a first conduit connected to said pressure chamber and arranged to be connected to a first pressure source; and
a first valve associated to said first conduit and arranged to open and close said first conduit,
wherein said first valve is arranged to open automatically when the pressure upstream of said first valve exceeds a first predetermined threshold value,

wherein said compressor is used as a pressure source for balancing thrust in said turbine.
13. The turbine engine of claim 12, wherein said compressor comprises a plurality of cascaded stages, and wherein the outlet of a stage of said plurality of stages is used as a pressure source for balancing thrust in said turbine.
14. The method of claim 2, further comprising:
associating a first orifice to said first conduit to choke said first conduit,
wherein said first orifice is sized to establish a choked flow inside said first conduit.
15. The method of claim 14, further comprising:
providing a second pressure source outside of said turbine;
connecting said second pressure source to said pressure chamber via a second conduit;
associating a second valve to said second conduit, said second valve being arranged to open and close said second conduit; and
associating a second orifice to said second conduit to choke said second conduit,
wherein said second valve is arranged to open automatically when the pressure upstream of said second valve exceeds a second predetermined threshold value; and
wherein said second orifice is sized to establish a choked flow inside said second conduit.
16. The method of claim 15, further comprising:
providing a third pressure source outside of said turbine; and
connecting said third pressure source to said pressure chamber via a third conduit.
17. The turbine of claim 7, wherein said first automatic valve comprises:
a mechanical valve comprising a mechanical control member for its openingclosing; and
a hydraulic actuator comprising a mechanical actuation member, wherein said hydraulic actuator is hydraulically connected to said first conduit and said mechanical actuation member is mechanically connected to said mechanical control member.
18. The turbine of claim 17, further comprising a bearing, in particular a ball bearing, and wherein part of said thrust exerted by said rotor when it rotates is balanced by said bearing.
19. The turbine of claim 18, further comprising a plurality of cascaded stages, and wherein said thrust bearing is located downstream of the last stage of said plurality of cascaded stages.
20. The turbine of claim 19, wherein said first conduit passes through an exhaust of said turbine and is externally aerodynamically shaped.