Author: claimsbot

1. A method for jitter-free fractional division, the method comprising:
accepting a first plurality of first signal phases, each phase having a first frequency, where the first plurality is equal to 4 and each phase is separated from a neighboring phase by 90 degrees;
selecting a phase subsequent to deselecting a previous phase selection;
dividing the selected phase by the integer N, supplying a second signal with a second frequency;
using the second signal as a clock, triggering a first plurality of counts in series, using a first count to trigger a second count, using the second count to trigger a third count, using the third count to trigger a fourth count, and using the fourth count to trigger the first count; and,
using each count to select a corresponding phase.
2. The method of claim 1 wherein using each count to select the corresponding phase includes using the first count to select a first phase, using the second count to select a second phase, using the third count to select a third phase, and using the fourth count to select a fourth phase.
3. The method of claim 2 wherein supplying the second signal with the second frequency includes supplying a second frequency selected from a group consisting of (first frequency)(N+0.25), (first frequency)(N+0.5), and (first frequency)(N+0.75).
4. The method of claim 2 wherein selecting the phase subsequent to deselecting the previous phase selection includes:
supplying a first phase signal (CLKOUT1) in response to accepting a first count trigger (SELECT1) and a permission signal (SELECT_OUT4), and supplying a permission signal (SELECT_OUT1) in response to losing the first count trigger;
supplying a second phase signal (CLKOUT2) in response to accepting a second count trigger (SELECT2) and a permission signal (SELECT_OUT1), and supplying a permission signal (SELECT_OUT2) in response to losing the second count trigger;
supplying a third phase signal (CLKOUT3) in response to accepting a third count trigger (SELECT3) and a permission signal (SELECT_OUT2), and supplying a permission signal (SELECT_OUT3) in response to losing the third count trigger;
supplying a fourth phase signal (CLKOUT4) in response to accepting a fourth count trigger (SELECT4) and a permission signal (SELECT_OUT3), and supplying a permission signal (SELECT_OUT4) in response to losing the fourth count trigger; and,
wherein supplying the second signal with the second frequency includes supplying a second frequency=(first frequency)(N+0.25).
5. The method of claim 2 wherein selecting the phase subsequent to deselecting the previous phase selection includes:
supplying a first phase signal (CLKOUT1) in response to accepting a first count trigger (SELECT1) and a permission signal (SELECT_OUT2), and supplying a permission signal (SELECT_OUT1) in response to losing the first count trigger;
supplying a fourth phase signal (CLKOUT4) in response to accepting a fourth count trigger (SELECT4) and a permission signal (SELECT_OUT1), and supplying a permission signal (SELECT_OUT4) in response to losing the fourth count trigger;
supplying a third phase signal (CLKOUT3) in response to accepting a third count trigger (SELECT3) and a permission signal (SELECT_OUT4), and supplying a permission signal (SELECT_OUT3) in response to losing the third count trigger;
supplying a second phase signal (CLKOUT2) in response to accepting a second count trigger (SELECT2) and a permission signal (SELECT_OUT3), and supplying a permission signal (SELECT_OUT2) in response to losing the second count trigger; and,
wherein supplying the second signal with the second frequency includes supplying a second frequency=(first frequency)(N+0.75).
6. A system for jitter-free fractional division, the system comprising:
a clock having an output to supply a first plurality of first signal phase signals, each phase signal having a first frequency, where neighboring phase by 90 degrees;
a glitch-free multiplexer (MUX) having an input to accept the first plurality of phase signals, a control input to accept a first plurality of phase selection signals, and an output to supply a selected phase signal subsequent to deselecting a previous phase selection;
a divider having an input to accept the selected phase signal, the divider dividing the selected phase signal by the integer N, and supplying a second signal with a second frequency at an output; and,
a counter circuit including a first plurality of serially-connected counters, each counter having a clock input to accept the second signal and an output to supply a count as an input to a subsequent counter and as a corresponding phase selection signal to the glitch-free MUX, the counter circuit including:
a first counter having a signal input, a clock input to accept the second signal, and a first count output triggered in response to the combination of signal and clock inputs;
a second counter having a signal input, a clock input to accept the second signal, and a second count output triggered in response to the combination of signal and clock inputs;
a third counter having a signal input, a clock input to accept the second signal, and a third count output triggered in response to the combination of signal and clock inputs; and,
a fourth counter having a signal input, a clock input to accept the second signal, and a fourth count output, triggered in response to the combination of signal and clock inputs.
7. The system of claim 6 wherein the divider supplies a second frequency selected from a group consisting of (first frequency)(N+0.25), (first frequency)(N+0.5), and (first frequency)(N+0.75).
8. The system of claim 6 wherein the divider supplies a second frequency=(first frequency)(N+0.25);
wherein the glitch-free MUX includes:
a first selector circuit having an input to accept a first phase signal (CLKIN1), an input to accept a first phase selection signal (SELECT1), an input to accept a SELECT_OUT4 signal, an output to supply a SELECT_OUT1 signal in response to a last occurrence of a first phase signal (CLKOUT1), and an output to supply the first phase signal in response to accepting the SELECT_OUT4 signal;
a second selector circuit having an input to accept a second phase signal (CLKIN2), an input to accept a second count phase selection signal (SELECT2), an input to accept the SELECT_OUT1 signal (PRE_SELECT_IN2), an output to supply a SELECT_OUT2 signal in response to the last occurrence of a second phase signal (CLKOUT2), and an output to supply the second phase signal in response to accepting the SELECT_OUT1 signal;
a third selector circuit having an input to accept a third phase signal (CLKIN3), an input to accept a third count phase selection signal (SELECT3), an input to accept the SELECT_OUT2 signal (PRE_SELECT_IN3), an output to supply a SELECT_OUT3 signal in response to last occurrence of a third phase signal (CLKOUT3), and an output to supply the third phase signal in response to accepting the SELECT_OUT2 signal;
a fourth selector circuit having an input to accept a fourth phase signal (CLKIN4), an input to accept a fourth count phase selection signal (SELECT4), an input to accept the SELECT_OUT3 signal (PRE_SELECT_IN4), an output to supply the SELECT_OUT4 signal in response to the last occurrence of a fourth phase signal (CLKOUT4), and an output to supply the fourth phase signal in response to accepting the SELECT_OUT3 signal;
wherein the first selector circuit ceases to supply the first phase signal prior to the second selector circuit beginning to supply the second phase signal;
wherein the second selector circuit ceases to supply the second phase signal prior to the third selector circuit beginning to supply the third phase signal;
wherein the third selector circuit ceases to supply the third phase signal prior to the fourth selector circuit beginning to supply the fourth phase signal; and,
wherein the fourth selector circuit ceases to supply the fourth phase signal prior to the first selector circuit beginning to supply the first phase signal.
9. The system of claim 6 wherein the divider supplies a second frequency=(first frequency)(N+0.75);
wherein the glitch-free MUX includes:
a first selector circuit having an input to accept a first phase signal (CLKIN1), an input to accept a first phase selection signal (SELECT1), an input to accept a SELECT_OUT2 signal, an output to supply a SELECT_OUT1 signal in response to the last occurrence of a first phase signal (CLKOUT1), and an output to supply the first phase signal in response to accepting the SELECT_OUT2 signal;
a fourth selector circuit having an input to accept a fourth phase signal (CLKIN4), an input to accept a fourth count phase selection signal (SELECT4), an input to accept the SELECT_OUT1 signal (PRE_SELECT_IN4), an output to supply the SELECT_OUT4 signal in response to the last occurrence of a fourth phase signal (CLKOUT4), and an output to supply the fourth phase signal in response to accepting the SELECT_OUT1 signal;
a third selector circuit having an input to accept a third phase signal (CLKIN3), an input to accept a third count phase selection signal (SELECT3), an input to accept the SELECT_OUT4 signal (PRE_SELECT_IN3), an output to supply a SELECT_OUT3 signal in response to the last occurrence of a third phase signal (CLKOUT3), and an output to supply the third phase signal in response to accepting the SELECT_OUT4 signal;
a second selector circuit having an input to accept a second phase signal (CLKIN2), an input to accept a second count phase selection signal (SELECT2), an input to accept the SELECT_OUT3 signal (PRE_SELECT_IN2), an output to supply a SELECT_OUT2 signal in response to the last occurrence of a second phase signal (CLKOUT2), and an output to supply the second phase signal in response to accepting the SELECT_OUT3 signal;
wherein the first selector circuit ceases to supply the first phase signal prior to the fourth selector circuit beginning to supply the fourth phase signal;
wherein the fourth selector circuit ceases to supply the fourth phase signal prior to the third selector circuit beginning to supply the third phase signal;
wherein the third selector circuit ceases to supply the third phase signal prior to the second selector circuit beginning to supply the second phase signal; and,
wherein the second selector circuit ceases to supply the second phase signal prior to the first selector circuit beginning to supply the first phase signal.
10. The system of claim 9 further comprising:
a summing circuit including:
a first NAND gate having inputs to accept the first and second phase signals and an output to supply a first NAND signal;
a second NAND gate having inputs to accept the third and fourth phase signals and an output to supply a second NAND signal;
a third NAND gate having inputs to accept the first and second NAND signals and an output to supply the selected phase signal.
11. The system of claim 6 wherein the glitch-free MUX comprises a plurality of selector circuits, each selector circuit including:
a flip-flop (FF) having a signal input to accept a SELECT signal, a clock input to accept a CLKIN signal, and an output to supply a SELECT_OUT signal;
a latch having an input (PRE_SELECT_IN) to accept a SELECT_OUT signal from another selector circuit, a clock input to accept the CLKIN signal, and an output to supply a latch signal; and,
a gate having an input to accept the SELECT_OUT signal from the FF, an input to accept the CLKIN signal, an input to accept the latch signal, and an output to supply the CLKOUT signal in response to the combination of the SELECT_OUT, CLKIN, and latch signals.
12. A system for jitter-free fractional division, the system comprising:
a clock having an output to supply a first plurality of first signal phase signals, each phase signal having a first frequency;
a glitch-free multiplexer (MUX) having an input to accept the first plurality of phase signals, a control input to accept a first plurality of phase selection signals, and an output to supply a selected phase signal subsequent to deselecting a previous phase selection;
a divider having an input to accept the selected phase signal, the divider dividing the selected phase signal by the integer N, and supplying a second signal with a second frequency at an output;
a counter circuit including a first plurality of serially-connected counters, each counter having a clock input to accept the second signal and an output to supply a count as an input to a subsequent counter and as a corresponding phase selection signal to the glitch-free MUX;
wherein the glitch-free MUX comprises a plurality of selector circuits, each selector circuit including:
a flip-flop (FF) having a signal input to accept a SELECT signal, a clock input to accept a CLKIN signal, and an output to supply a SELECT_OUT signal;
a latch having an input (PRE_SELECT_IN) to accept a SELECT_OUT signal from another selector circuit, a clock input to accept the CLKIN signal, and an output to supply a latch signal; and,
a gate having an input to accept the SELECT_OUT signal from the FF, an input to accept the CLKIN signal, an input to accept the latch signal, and an output to supply the CLKOUT signal in response to the combination of the SELECT_OUT, CLKIN, and latch signals.

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 performing a function using a phone number in a mobile communication terminal that stores a plurality of phone numbers and includes at least one function key, comprising:
inputting a phone number;
inputting a function key;
inputting the input phone number as a phone number of a message receiver, editing a message, and transmitting the edited message, if the function is a message function;
2. The method of claim 1, wherein editing the message comprises:
displaying a message editing screen in which the input phone number is input as the phone number of the message receiver;
creating the message in the displayed message editing screen; and
transmitting the created message to the phone number of the message receiver.
3. The method of claim 1, further comprising:
selecting a ring sound corresponding to the input phone number, if the function is a ring sound function.
4. The method of claim 3, wherein selecting the ring sound comprises:
displaying a ring sound selection screen for selecting the ring sound corresponding to the input phone number;
selecting a ring sound from among ring sounds displayed on the ring sound selection screen; and
mapping the selected ring sound to the input phone number and storing the selected ring sound mapped to the input phone number such that the selected ring sound is output when a call is received from the input phone number.
5. The method of claim 1, further comprising:
capturing an image corresponding to the input phone number, mapping the captured image to the input phone number, and storing the captured image mapped to the input phone number, if the function is a phone number image storage function.
6. The method of claim 5, wherein storing the image comprises:
activating a camera unit to capture the image corresponding to the input phone number;
capturing the image by means of the camera unit; and
mapping the captured image to the input phone number and storing the captured image mapped to the input phone number.
7. A method for performing a function using a phone number in a mobile communication terminal that stores a plurality of phone numbers and includes at least one function key, comprising:
inputting a phone number;
inputting a function key; and
capturing an image corresponding to the input phone number, mapping the captured image to the input phone number, and storing the captured image mapped to the input phone number, if the function is a phone number image storage function.
8. The method of claim 7, wherein storing the image comprises:
activating a camera unit to capture the image corresponding to the input phone number;
capturing the image by means of the camera unit; and
mapping the captured image to the input phone number and storing the captured image mapped to the input phone number.
9. The method of claim 7, further comprising:
inputting the input phone number as a phone number of a message receiver, editing a message, and transmitting the edited message, if the function is a message function.
10. The method of claim 9, wherein editing the message comprises:
displaying a message editing screen in which the input phone number is input as the phone number of the message receiver;
creating the message in the displayed message editing screen; and
transmitting the created message to the phone number of the message receiver.
11. The method of claim 7, further comprising:
selecting a ring sound corresponding to the input phone number, if the function is a ring sound function.
12. The method of claim 11, wherein selecting the ring sound comprises:
displaying a ring sound selection screen for selecting the ring sound corresponding to the input phone number;
selecting a ring sound from among ring sounds displayed on the ring sound selection screen; and
mapping the selected ring sound to the input phone number and storing the selected ring sound mapped to the input phone number such that the selected ring sound is output when a call is received from the input phone number.
13. A method for performing a function using a phone number in a mobile communication terminal that stores a plurality of phone numbers and includes at least one function key, comprising:
inputting a phone number;
inputting a function key; and
selecting a ring sound corresponding to the input phone number, when the function is a ring sound selection function.
14. The method of claim 13, wherein selecting the ring sound comprises:
displaying a ring sound selection screen for selecting the ring sound corresponding to the input phone number;
selecting a ring sound from among ring sounds displayed on the ring sound selection screen; and
mapping the selected ring sound to the input phone number and storing the selected ring sound mapped to the input phone number such that the selected ring sound is output when a call is received from the input phone number.
15. The method of claim 13, further comprising:
inputting the input phone number as a phone number of a message receiver, editing a message, and transmitting the edited message, if the function is a message function.
16. The method of claim 14, wherein editing the message comprises:
displaying a message editing screen in which the input phone number is input as the phone number of the message receiver;
creating the message in the displayed message editing screen; and
transmitting the created message to the phone number of the message receiver.
17. The method of claim 13, further comprising:
capturing an image corresponding to the input phone number, mapping the captured image to the input phone number, and storing the captured image mapped to the input phone number, if the function is a phone number image storage function.
18. The method of claim 17, wherein storing the image comprises:
activating a camera unit to capture the image corresponding to the input phone number;
capturing the image by means of the camera unit; and
mapping the captured image to the input phone number and storing the captured image mapped to the input phone number.

1. A control device of a pallet of a patient table, the patient table having a control board for controlling movement of the patient table, and the pallet of the patient table having a manually operated push-pull portion, wherein the control device comprises a through-beam photoelectric switch, a shutter and a trigger connected to the shutter, the trigger is arranged on the push-pull portion to allow the shutter to be driven to move when a hand acts on the push-pull portion, to block a light beam of the through-beam photoelectric switch; the through-beam photoelectric switch is in signal connection with the control board of the patient table and is configured to send a signal for releasing the pallet to the control board of the patient table once the light beam of the through-beam photoelectric switch is blocked.
2. The control device according to claim 1, wherein the trigger is embedded in the push-pull portion and has a gripping portion extending out of the push-pull portion, and the gripping portion is connected to the shutter.
3. The control device according to claim 2, wherein the gripping portion is connected to the shutter via an elastic member, to generate an elastic force under the action of a gripping force to drive the shutter to move.
4. The control device according to claim 3, wherein the elastic member is an elastic connecting rod inserted in the push-pull portion, and the elastic connecting rod has a top end connected to the gripping portion and a bottom end connected to the shutter via a wire rope.
5. The control device according to claim 1, wherein the shutter comprises a stationary plate and a movable plate which both has a through hole for the light beam of the through-beam photoelectric switch to pass through; and the movable plate is connected to the trigger, and is movable under the actuation of the trigger to allow the through hole of the movable plate to be misaligned with the through hole of the stationary plate to block the light beam of the through-beam photoelectric switch.
6. The control device according to claim 5, wherein the movable plate has one end connected to the trigger and the other end connected to a return spring for driving the movable plate back to its original position.
7. The control device according to claim 6, wherein the shutter further comprises a position-limiting member for limiting a stroke of the movable plate.
8. The control device according to claim 7, wherein the position-limiting member is a position-limiting groove in cooperation with the movable plate, and the through hole of the movable plate is aligned with the through hole of the stationary plate when the movable plate abuts against one end of the position-limiting groove, and is misaligned with the through hole of the stationary plate when the movable plate abuts against the other end of the position-limiting groove.
9. The control device according to claim 5, wherein the through-beam photoelectric switch comprises a light projector and a light receiver, and the light projector and the light receiver are respectively arranged at two ends of a frame.
10. The control device according to claim 2, wherein the shutter comprises a stationary plate and a movable plate which both has a through hole for the light beam of the through-beam photoelectric switch to pass through; and the movable plate is connected to the trigger, and is movable under the actuation of the trigger to allow the through hole of the movable plate to be misaligned with the through hole of the stationary plate to block the light beam of the through-beam photoelectric switch.
11. The control device according to claim 10, wherein the movable plate has one end connected to the trigger and the other end connected to a return spring for driving the movable plate back to its original position.
12. The control device according to claim 11, wherein the shutter further comprises a position-limiting member for limiting a stroke of the movable plate.
13. The control device according to claim 12, wherein the position-limiting member is a position-limiting groove in cooperation with the movable plate, and the through hole of the movable plate is aligned with the through hole of the stationary plate when the movable plate abuts against one end of the position-limiting groove, and is misaligned with the through hole of the stationary plate when the movable plate abuts against the other end of the position-limiting groove.
14. The control device according to claim 10, wherein the through-beam photoelectric switch comprises a light projector and a light receiver, and the light projector and the light receiver are respectively arranged at two ends of a frame.
15. A patient table, comprising a frame and a pallet arranged on the frame, wherein the pallet is controlled by a control device of the pallet of the patient table, where the patient table has a control board for controlling movement of the patient table, and the pallet of the patient table has a manually operated push-pull portion, wherein the control device comprises a through-beam photoelectric switch, a shutter and a trigger connected to the shutter, the trigger is arranged on the push-pull portion to allow the shutter to be driven to move when a hand acts on the push-pull portion, to block a light beam of the through-beam photoelectric switch; the through-beam photoelectric switch is in signal connection with the control board of the patient table and is configured to send a signal for releasing the pallet to the control board of the patient table once the light beam of the through-beam photoelectric switch is blocked.
16. The patient table according to claim 15, wherein the trigger is embedded in the push-pull portion and has a gripping portion extending out of the push-pull portion, and the gripping portion is connected to the shutter.
17. The patient table according to claim 15, wherein the shutter comprises a stationary plate and a movable plate which both has a through hole for the light beam of the through-beam photoelectric switch to pass through; and the movable plate is connected to the trigger, and is movable under the actuation of the trigger to allow the through hole of the movable plate to be misaligned with the through hole of the stationary plate to block the light beam of the through-beam photoelectric switch.
18. The patient table according to claim 17, wherein the movable plate has one end connected to the trigger and the other end connected to a return spring for driving the movable plate back to its original position.
19. The patient table according to claim 18, wherein the shutter further comprises a position-limiting member for limiting a stroke of the movable plate; the position-limiting member is a position-limiting groove in cooperation with the movable plate, and the through hole of the movable plate is aligned with the through hole of the stationary plate when the movable plate abuts against one end of the position-limiting groove, and is misaligned with the through hole of the stationary plate when the movable plate abuts against the other end of the position-limiting groove.
20. The patient table according to claim 17, wherein the through-beam photoelectric switch comprises a light projector and a light receiver, and the light projector and the light receiver are respectively arranged at two ends of a frame.

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. An electronic device assembly comprising:
an electronic device comprising a display and a sensor; and
an enclosure, receiving the electronic device, comprising a cover and a controller attached to the cover;
wherein the cover is rotatable, relative to the electronic device, between a first position, where the cover covers the electronic device, and the controller controls the sensor transmitting a first signal to the electronic device, for turning off a power supplied to the display; and a second position, where the electronic device is exposed, and the controller controls the sensor transmitting a second signal to the electronic device, for turning on the power supplied to the display.
2. The electronic device assembly of claim 1, wherein the electronic device further comprises a controlling module, the controlling module is configured for receiving the first signal, to turn off the power of the display, and receiving the second signal, to turn on the power of the display.
3. The electronic device assembly of claim 2, wherein the controller is configured for generating a magnetic field.
4. The electronic device assembly of claim 3, wherein the sensor is a reed switch.
5. The electronic device assembly of claim 3, wherein the controller is a magnet.
6. The electronic device assembly of claim 1, wherein the enclosure further comprises a bottom, the cover is rotatable relative to the bottom, and the electronic device is located on the bottom.
7. The electronic device assembly of claim 6, wherein the enclosure further comprises a connecting portion, the connecting portion is located on the bottom, and the cover is rotatably located on the connecting portion.
8. The electronic device assembly of claim 1, wherein the sensor is arranged in a corner of the electronic device.
9. An electronic device assembly comprising:
an electronic device comprising a display, a sensor, and a controlling module controlled by the sensor; and
an enclosure, receiving the electronic device, comprising a bottom, a cover rotatably connected to the bottom, and a controller attached to the cover;
wherein the controller is configured for generating a magnetic field for the sensor, and the sensor is configured for transmitting a first signal to the controlling module when in presence of a sufficient magnetic force area, for the controlling module turning off a power supplied to the display, and transmitting a second signal to the controlling module when in presence of an insufficient magnetic force area, for the controlling module turning on the power supplied to the display.
10. The electronic device assembly of claim 9, wherein the sensor is a reed switch.
11. The electronic device assembly of claim 9, wherein the controller is a magnet.
12. The electronic device assembly of claim 9, wherein the enclosure further comprises a connecting portion, and the connecting portion is rotatably located between the bottom and the cover.
13. The electronic device assembly of claim 9, wherein the sensor is arranged in a corner of the electronic device.