1461161639-42014866-2551-4ec8-8eab-302bcfa07028

1. An LED based lighting fixture for street lighting, comprising:
a lighting head unit including, on a top side thereof, a heat sink structure for dissipating heat and, below the heat sink structure, a flat LED circuit board comprising a plurality of low power LEDs oriented on the LED circuit board in a plurality of different angles with respect to the LED circuit board such that light emitted from the lighting head unit is cast in a desired pattern of disbursement;
a lens unit attached to the bottom side of the lighting head unit covering the LED circuit board; and
a mounting unit for mounting the lighting head unit to a fixed structure, the mounting unit being adjustably connected to the lighting head unit such that an angle of the lighting head unit, relative to the fixed structure, is adjustable to direct pattern of disbursement of light cast from the lighting head unit to a desired direction.
2. The lighting fixture of claim 1, wherein the heat sink structure comprises an aluminum ribbon with a series of projections extending tangentially therefrom, wherein the aluminum ribbon comprises aluminum or an alloy thereof.
3. The lighting fixture of claim 2, wherein the aluminum ribbon has head-and-shoulders shaped cross section or a plurality of petal extensions.
4. The lighting fixture of claim 1, wherein the LED circuit board is ceramic and conducts heat from the plurality of low power LEDs to the heat sink structure.
5. The lighting fixture of claim 1, wherein the plurality of low power LEDs are organized as a plurality of identical clusters wherein each cluster comprises LEDs oriented in a plurality of different directions relative to the orientation of the lighting head.
6. The lighting fixture of claim 5, wherein the identical clusters are arranged in rows and columns and are spaced equally from one another.
7. The lighting fixture of claim 6, wherein the identical clusters are arranged as seven columns and four rows, with the rows run along a longest axis of the lighting fixture, wherein each identical cluster comprises sixteen low power LEDs oriented in a plurality of different directions relative to the orientation of the lighting head unit.
8. The lighting fixture of claim 1, wherein the plurality of low power LEDs together draw from between 25 Watts and 60 Watts maximum power.
9. The lighting fixture of claim 1, wherein the lens unit comprises a single convex covering that covers the entire LED circuit board and attaches directly to the lighting head unit such that the LED circuit board is hermetically sealed and impervious to moisture.
10. The lighting fixture of claim 1, further comprising a module base that is attached at one end to the lighting head unit and at another end to the mounting unit, the module base unit housing a power supply unit for supplying power to the LED circuit board, the power supply unit being configured to accept a range of input voltages from 85 Volts to 267 Volts while providing a constant output voltage to the LED circuit board.
11. The lighting fixture of claim 10, wherein the heat sink structure and the lens unit together form an approximate cylinder with a fixed radius and a radius of the module base is less than the fixed radius of the heat sink structure together with the lens unit.
12. The lighting fixture of claim 1, further comprising a thermal conductive paste between the LED circuit board and the heat sink structure.
13. An LED based lighting fixture for street lighting, comprising:
a lighting head unit including, on a top side, a heat sink structure for dissipating heat and, on a bottom side, a plurality of flat LED circuit boards, each board comprising a plurality of low power LEDs oriented on the LED circuit board in a plurality of different angles with respect to a respective LED circuit board of the plurality of LED circuit boards such that light emitted from the lighting head unit is cast in a desired pattern of disbursement;
a lens unit attached to the bottom side of the lighting head unit covering the plurality of LED circuit boards; and
a mounting unit for mounting the lighting head unit to a fixed structure, the mounting unit being adjustably connected to the lighting head unit such that an angle of the lighting head unit, relative to the fixed structure, is adjustable to direct pattern of disbursement of light cast from the lighting head unit to a desired direction.
14. The lighting fixture of claim 13, wherein the top side of the head unit and the heat sink structure attached thereto are contoured to prevent the collection of rain water.
15. The light fixture of claim 14, wherein the contour of the heat sink structure forms a wave shape with two peaks and a nadir therebetween, the nadir of the heat sink contour opening into a depression within the top side of the head unit for channeling water off of the light fixture.
16. The lighting fixture of claim 13, wherein the heat sink structure includes a plurality of fins for effectively dissipating heat.
17. The lighting fixture of claim 13, wherein the lighting head unit comprises aluminum for effectively conducting heat from the plurality of LED circuit boards to the heat sink structure.
18. The lighting fixture of claim 13, wherein a light sensing unit for sensing ambient light is attached to the top side of the lighting head unit for activating the LED circuit boards when the detected ambient light is below a predetermined threshold and deactivating the LED circuit boards when the detected ambient light is above a predetermined threshold.
19. The lighting fixture of claim 13, wherein the mounting unit includes a set of interlocking teeth for maintaining the desired angle of the lighting head unit relative to the fixed structure even when significant pressure is applied to the lighting head unit.
20. The lighting fixture of claim 13, wherein a power supply unit for supplying power to the plurality of LED circuit boards is contained within the lighting head unit.
21. The lighting fixture of claim 13, wherein the mounting unit includes a remote-controlled actuator for remotely adjusting the desired angle of the lighting head unit relative to the fixed structure.
22. The lighting fixture of claim 13, wherein the plurality of LED boards comprises two LED boards.
23. The lighting fixture of claim 22, wherein the plurality of LED boards comprises 4, 6 or 8 LED boards.
24. The lighting fixture of claim 13, wherein the desired pattern of disbursement of light of the lighting head unit is shaped to illuminate a particular area while minimizing light directed to surrounding areas.
25. The lighting fixture of claim 24, wherein the particular area includes one or more lanes of a roadway.
26. The lighting fixture of claim 13, wherein the lens unit is attached to the bottom side of the lighting head unit with a piano hinge on one side and one or more non -removable thumb screws on another side such that the lens unit is easily opened and closed without risking the loss of the screws.

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 comprising:
receiving a first digital signal at a first device;
outputting a second digital signal from the first device;
modifying the first digital signal using a digital noise signal to generate a third digital signal;
providing the first digital signal for output as the second digital signal in response to determining that the first digital signal does not comprise a power spread digital signal; and
providing the third digital signal for output as the second digital signal in response to determining that the first digital signal comprises a power spread digital signal.
2. The method of claim 1, further comprising:
comparing a sequence of bits of the first digital signal with a predetermined bit sequence to determine whether the first digital signal comprises a power spread digital signal.
3. The method of claim 1, wherein the first digital signal is representative of a clock signal.
4. The method of claim 1, wherein modifying the first digital signal comprises determining a synchronization signal based on the first digital signal and providing the synchronization signal to a locking element to produce the third digital signal.
5. The method of claim 1, further comprising:
generating the digital noise signal using a pseudo-random number generator.
6. The method of claim 5, wherein the pseudo-random number generator comprises a Gaussian-random number generator.
7. The method of claim 5, wherein the pseudo-random generator comprises a gated pseudo-random number generator.
8. The method of claim 7, wherein the gated pseudo-random number generator generates an even number of states.
9. The method of claim 5, wherein the pseudo-random number generator comprises a look-up table.
10. The method of claim 5, wherein the pseudo-random number generator comprises a linear feedback shift register.
11. A system comprising:
a first device comprising:
an input to receive a first digital signal;
a modification module configured to modify the first digital signal using a first digital noise signal to generate a second digital signal;
a detector module to configure a control signal to have a first state in response to determining the first digital signal is a power spread digital signal and to configure the control signal to have a second state in response to determining the first digital signal is not a power spread digital signal; and
a multiplexer having a first input to receive the first digital signal, a second input to receive the second digital signal, and an output to provide a select one of the first digital signal or the second digital signal based on the control signal.
12. The system of claim 11, wherein the detector module comprises a sliding window detector module configured to compare a sequence of bits of the second digital signal with a predetermined bit sequence to determine whether the second digital signal comprises a digital signal having a substantially fixed frequency.
13. The system of claim 11, further comprising:
a pseudo-random number generator configured to provide the first digital noise signal.
14. The system of claim 13, wherein the pseudo-random number generator comprises a Gaussian-random number generator.
15. The system of claim 13, wherein the pseudo-random generator comprises a gated pseudo-random number generator.
16. The system of claim 15, wherein the gated pseudo-random number generator generates an even number of states.
17. The system of claim 13, wherein the pseudo-random number generator comprises a look-up table.
18. The system of claim 13, wherein the pseudo-random number generator comprises a linear feedback shift register.

1461161629-83abad81-e83c-466a-aa07-e77c3dad848e

What is claimed is:

1. An amusement ride comprising:
a stationary frame;
a seat mount attached to said frame;
one or more seats mounted for 360 degree rotation about said seat mount, each said seat comprising a passenger restraint;
a display screen for showing images to an occupant of said seat, said images corresponding to motions experienced by the occupant; and
user actuated controls of said seats for selectively rotating said seats in response to user actuation.
2. The ride of claim 2 further comprising pre-programmed controls for causing said seats to automatically rotate according to a predetermined routine.
3. The ride of claim 2 wherein said seat rotates and stops according to input from a rider through input controls.
4. A roller coaster ride, comprising:
a. a carriage having first and second opposing sides;
b. a track along which said carriage is adapted to travel in a predetermined direction of travel;
c. a first set of seats interconnected to said first side of said carriage for 360 degree rotation about a longitudinal axis that extends transverse to said direction of travel; and
d. a second set of seats interconnected to said second side of said carriage for 360 degree rotation about said longitudinal axis.
5. A roller coaster ride, comprising:
a. a carriage having first and second opposing sides;
b. a track along which said carriage is adapted to travel in a predetermined direction of travel;
c. first and second seats mounted to said first side of said carriage for 360 degree rotation about a longitudinal axis that extends transverse to said direction of travel, said first and second seats being laterally spaced relative to one another along said longitudinal axis; and
d. third and fourth seats mounted to said second side of said carriage for 360 degree rotation about said longitudinal axis, said third and fourth seats being laterally spaced relative to one another along said longitudinal axis.

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 management system (1) for rotary cutting tools (2, 2a, 2b, etc.) mounted on a motor-driven appliance (7) receiving and driving the rotary cutting tools,
comprising:
first identifying means (6, 8) permitting identifying the cuffing tools,
means (8) for recording reference data for each cutting tool identified by first identifying means (6, 8),
means (9a, 9b) for transmitting preprogrammed values for the cutting tool to motor-driven appliance (7),
means (9a, 9b) for transmitting measurements of the operating or work conditions of the cutting tools from motor-driven appliance (7) to recording means (8),
means for evaluating the fatigue of the cuffing tools,
a data processor (12) designed to calculate the fatigue of cuffing tools from reference data recording means (8) and the evaluating means

and in that the operating or work condition measurements comprise a measurement of the motor torque of the motor-driven appliance consisting of a measurement of the instantaneous current and losses.
2. The management system according to claim 1, further characterized in that it also comprises:
measurement means (13, 13\u2032) associated with motor-driven appliance (7) and designed to measure operating or work conditions for the cutting tools, each measurement being associated with a tool via primary identifying means (6, 8),
means for transmitting the measurements of the operating or work conditions of the cutting tools from motor-driven appliance (7) to recording means (8),

data processor (12) cooperating with recording means (8) to calculate a wear value for the cutting tools from the recording of the operating or work conditions of the cutting tools.
3. The management and monitoring system according to claim 1, further comprising that motor-driven appliance (7) is a dentists’ file holder, cutting tools (2, 2a, 2b, etc.) being dentists’ files.
4. The management system according to claim 1, further comprising in that the fatigue is calculated by summing the number of operations conducted, which are weighted by a difficulty coefficient, the evaluating means comprising means for comparing this summation to a maximum stored value for each file, which, when it is surpassed, prevents the file from being used for the operation to be conducted.
5. The management system according to claim 1, further comprising that, for each case (3) and for each sequence of the case, the order of use of cutting tools (4) is recorded in recording means (8) either as a function of the difficulty of passage into the canal or the wish of the practitioner.
6. The management system according to claim 1, further comprising in that first identifying means (6, 8) andor second identifying means (8, 16) are set up to individually identify cutting tools (2, 2a, 2b, etc.) in cases (3) and to associate reference data and said representative values with them in a bijective manner.
7. The management system according to claim 6, further comprising the identifying means comprise a reading device such as an optical reader, a radiofrequency reader or a camera and a corresponding coding means associated with said cases (3).
8. The management system according to claim 6, further comprising that first andor second identifying means (6, 15, 16, 8) comprise means for storing reference data identifying said cutting tools, sequences and cases and means for displaying a representation of said cutting tools, sequences and cases.
9. The management system according to claim 1, further comprising in that the current is measured by measuring the pulse width of the pulse modulation control driving the motor of the treatment appliance.
10. The management system according to claim 9, further comprising that the data processor and the memory means are set up to conduct measurement of the instantaneous current and subtraction of losses at given intervals in order to produce an instantaneous measurement of the work of the file, a summation of this work measurement providing a representation of the work or operation and of the wear of the file stored in memory.
11. The management system according to claim 10, further comprising in that the given intervals are regular intervals.
12. The management system according to claim 10, further comprising that the data processor is set up only to conduct the summation if the motor rotates.
13. The management system according to claim 1, further comprising that it comprises for each file, means for summing the wear values from all the uses of the file and storing a value representing the cumulative wear of the file, and in that it comprises means for comparison of this summation to a maximum stored value for the file, in order to discard this file or trigger an alert in the case when the stored maximum value is surpassed.
14. The management system according to claim 10 further comprising visual means (10) for selecting and indicating a case and a file to be used as a function of the remaining fatigue capacities of files, discards, and the availability of files and cases, whose sequence is compatible with the curvature of the canal to be treated.