KR20120081056A - Method and apparatus for generating sync signal to control 3d glasses, and method and apparatus for transmitting and receiving the sync signal - Google Patents

Abstract

PURPOSE: A three-dimensional glasses control synchronization signal generating method of a three-dimensional image system is provided to implement optimal operation of various three-dimensional display devices. CONSTITUTION: A synchronization transmitting unit generates synchronization start indication information(512). The synchronization transmitting unit generates synchronization end indication information(514). The synchronization transmitting unit generates synchronization cycle information(516). The synchronization transmitting unit generates state sequence mode information(518). The synchronization transmitting unit generates sequence duty information(522). The synchronization transmitting unit generates a glasses control synchronization signal(524).

Description

Method and apparatus for generating 3D glasses control synchronization signal of 3D imaging system and method and apparatus for 3D synchronization transmission and reception

The present invention relates to a 3D imaging system, and more particularly, to a 3D glasses control synchronization signal generation method and 3D synchronization transmission and reception method and apparatus for controlling shutter glasses in a 3D imaging system.

3D glasses use binocular parallax, which is one of the factors that humans can recognize 3D. The images shown by the human left eye and the right eye are different from each other, and the difference between the left and right images at this time is called binocular disparity. The human brain is trained to recognize binocular parallax as depth information.

By using this, the 3D display outputs left and right images, and controls the shutter to be turned on and off of the 3D glasses worn by the user according to the time when the left and right images are output on the 3D display. The left eye of the user and the right eye of the right eye can be recognized. Accordingly, the user may feel a 3D stereoscopic image.

1 illustrates a conventional LCD shutter driving signals.

The Infra Red Transmitter (IR Transmitter) of the display transmits a synchronization signal, that is, Vsync at 60 Hz period. That is, as shown in FIG. 1, the display displays the left eye image every 60 Hz, and transmits a synchronization signal to operate the left and right shutters of the 3D glasses according to this period. To this end, the receiver of the 3D glasses receives a synchronization signal, thereby driving the left and right shutters to be synchronized with the left and right images displayed on the 3D display.

At this time, the synchronization signal for controlling the 3D glasses may cause interference with the existing remote control signal.

In addition, the existing 3D imaging system has a problem in that 3D glasses need to be suitable for each 3D display because the operation of the 3D glasses differs depending on the manufacturer or display method of the 3D display.

The problem to be solved by the present invention is a method of generating a synchronization signal for implementing an optimized operation for each of the various 3D display with a single glasses and generating a synchronization signal for 3D glasses control that does not interfere with the existing remote control signal and its A method and apparatus for synchronous transmission and reception are provided.

 In order to solve the above problems, in the method for generating a synchronization signal for controlling the 3D glasses in the 3D imaging system according to an embodiment of the present invention,

Generating synchronization start instruction information indicating the start of the 3D glasses control synchronization signal, state sequence mode information indicating left and right opening and closing states of the 3D glasses, and sequence duty information indicating a holding time of the 3D glasses operating state;

And combining the generated information in a predetermined order to generate a 3D glasses control synchronization signal.

The method may further include generating synchronization end indication information indicating the end of the 3D glasses control synchronization signal.

The method may further include generating synchronization period information indicating a generation period of the 3D glasses control synchronization signal.

The method may further include generating delay period information indicating a delay time between receiving the 3D glasses control synchronization signal and operating the 3D glasses.

The sequence duty information may include a holding time of the 3D glasses operating state adjusted according to the operating characteristic of the 3D display.

The 3D glasses control synchronization signal is generated every N frame periods in synchronization with a left or right eye video signal, and N is a natural number of 1 or more.

The generation period of the 3D glasses control synchronization signal may be generated variably for each predetermined frame.

The 3D glasses control synchronization signal is generated at a period greater than the length of the remote control infrared signal.

The 3D glasses control synchronization signal is characterized in that it is configured by a pulse modulation method.

The 3D glasses control synchronization signal may further include transmitting the 3D glasses control synchronization signal to the 3D glasses device in synchronization with the image synchronization signal.

In order to solve the above other problem, in the 3D glasses control synchronization transmission method of the 3D imaging system according to an embodiment of the present invention,

Adjusting the operation state and order of the 3D glasses and the holding time of the 3D glasses operating state;

Generating a 3D glasses control synchronization signal including the adjusted operation state and order of the 3D glasses and the holding time information of the 3D glasses operating state for each predetermined frame period;

And transmitting the generated glasses control synchronization signal to the 3D glasses device in synchronization with the image synchronization signal.

The operation state and order of the 3D glasses and the holding time of the 3D glasses operating state may be adjusted differently for each display type.

In order to solve the above another problem, in the 3D glasses control synchronization receiving method of the 3D imaging system according to an embodiment of the present invention,

Receiving a 3D glasses control synchronization signal including operating state and order information of the 3D glasses and holding time information of the 3D glasses operating state;

Generating a shutter driving control signal according to each information included in the received 3D glasses control synchronization signal;

And driving the shutter according to the generated shutter driving control signal.

In order to solve the above another problem, in the 3D glasses control synchronous transmission device of the 3D imaging system according to an embodiment of the present invention,

A transmission control unit for generating a 3D glasses control synchronization signal including the operation state and the order information of the 3D glasses and the holding time information of the 3D glasses operating state for each period of a predetermined frame;

And an infrared ray transmitter for modulating the glasses control synchronization signal generated by the transmission controller into an infrared signal and transmitting the same to the 3D glasses device.

The 3D glasses control synchronization signal may include a synchronization start instruction field indicating a start of the 3D glasses control synchronization signal, synchronization period information indicating a generation period of the 3D glasses control synchronization signal, a state sequence mode field indicating left and right opening and closing states of the 3D glasses control synchronization signal, And a sequence duty field indicating a holding time of the 3D glasses operating state, and a synchronization end instruction field indicating the end of the 3D glasses control synchronization signal.

The controller generates a 3D glasses control synchronization signal at every cycle of a predetermined frame in synchronization with the left eye image signal.

The control unit generates the 3D glasses control synchronization signal at a period greater than the length of the remote control signal.

In order to solve the above another problem, in the 3D glasses control synchronization receiving apparatus of the 3D imaging system according to an embodiment of the present invention,

An infrared receiver configured to receive a 3D glasses control synchronization signal including operation state and order information of the 3D glasses and holding time information of the 3D glasses operating state in synchronization with the image synchronization signal;

A reception controller configured to generate a shutter driving control signal according to each information included in the 3D glasses control synchronization signal received by the infrared receiver;

And a glasses shutter unit that drives the shutter according to the shutter driving control signal generated by the reception controller.

In order to solve the above another problem, in the 3D imaging system according to an embodiment of the present invention,

A display device for generating 3D left and right eye image synchronization signals;

A synchronous transmission device for transmitting the 3D glasses control synchronization signal including the operation state and sequence information of the 3D glasses and the holding time information of the 3D glasses operation state at every frame period in synchronization with the image synchronization signal;

And a synchronization receiving device that receives the 3D glasses control synchronization signal from the synchronization transmission device and generates a shutter drive control signal according to each information included in the 3D glasses control synchronization signal.

1 illustrates a 3D imaging system applied to an embodiment of the present invention.
2A is a format of a synchronization signal for controlling 3D glasses according to an embodiment of the present invention.
2B is a format of a synchronization signal for controlling 3D glasses according to another embodiment of the present invention.
3A-3C illustrate one embodiment of a pulse signal for a synchronization signal.
4A is a detailed block diagram of the synchronous transmitter of FIG. 1.
4B is a detailed block diagram of the 3D glasses apparatus of FIG. 1.
5A is a flowchart illustrating a 3D glasses control synchronization signal generation method according to an embodiment of the present invention.
5B is a flowchart illustrating a 3D glasses control synchronization signal generation method according to another embodiment of the present invention.
6A is a flowchart illustrating a 3D glasses control synchronization signal transmission method according to an embodiment of the present invention.
6B is a flowchart illustrating a 3D glasses control synchronization signal receiving method according to an embodiment of the present invention.
7 is a timing diagram for transmitting a 3D glasses control synchronization signal according to an embodiment of the present invention.
8 is a waveform diagram comparing the 3D glasses control synchronization signal (3D sync) and the conventional remote control signal of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 illustrates a 3D imaging system applied to an embodiment of the present invention.

The 3D imaging system of FIG. 1 includes a display apparatus 10 and a 3D glasses apparatus 100 for viewing a stereoscopic image.

The display apparatus 10 generates a left eye image and a right eye image and alternately provides them to the user. The display device 10 includes a display 30 and a synchronous transmitter 50.

The display 30 generates a left eye image and a right eye image, alternately outputs the generated left eye image and right eye image at predetermined time intervals, and generates a 3D left eye and right eye image Vsync signal.

The synchronization transmitter 50 generates a 3D glasses control synchronization signal including the operation state and order information of the 3D glasses, the holding time information of the operation state of the 3D glasses, and the frame determined in synchronization with the image synchronization signal. Occurs every cycle of.

Therefore, the display apparatus 10 transmits the 3D glasses control synchronization signal synchronized with the generated left eye image and right eye image signals to the 3D glasses apparatus 100 through an infrared transmission method.

In this case, the synchronization signal for controlling the 3D glasses may be transmitted to the 3D glasses device 100 using Bluetooth, WLAN, and Zigbee communication in addition to an infrared (IR) transmission method.

The 3D glasses apparatus 100 receives the 3D glasses control synchronization signal transmitted from the sync transmitter 50 of the display apparatus 10, and synchronizes the left and right eye glasses with the left and right eye images displayed on the display 50. Alternately open

2A is a format of a synchronization signal for controlling 3D glasses according to an embodiment of the present invention.

The format of the synchronization signal for controlling the 3D glasses of FIG. 2A includes a synchronization signal start indication field 202, a synchronization signal period field 204, a state sequence mode field 206, a sequence duty field 208, and a synchronization signal end indication field 210. It consists of

The sync signal start indication field 202 lowers the signal reception gain of the 3D glasses apparatus 100 before the sync signal is transmitted to the 3D glasses to increase the signal / noise (S / N) and indicates the start of the sync signal.

In one embodiment, the sync signal start indication field 202 is composed of pulse signals having a burst width of 1 ms.

The synchronization signal period field 204 defines a period during which a synchronization signal for controlling the 3D glasses operation is generated.

According to an embodiment, if the sync signal period field is composed of 3 bits (bits 30 to 28), the sync signal period field 204 may be defined as follows.

000 = Every falling edge

001 = Every 2nd falling edge

010 = Every 4th falling edge

011 = Every 8th falling edge

100 = Every 16th falling edge

101 = Every 32th falling edge

110 = Every 64th falling edge

111 = Every 128th falling edge

The state sequence mode field 206 defines the operating states (left and right open / close states) of the 3D glasses and the operation order of the left and right glasses.

In one embodiment, if the state sequence mode field consists of 4 bits (bits 27-24), the state sequence mode field 206 may be defined as follows. Where L-Left side open & Right side close, R-Right side open & Left side close, O-Both side open, B-Both side close, Dual View-Dual view or 2D mode.

0000 = LLRR mode

0001 = RRLL mode

0010 = LBRB mode

0011 = RBLB mode

0100 = BLBR mode

0101 = BRBL mode

0110 = Dual View Mode or 2D mode

0111 = Reserved for future use

1000 = Reserved for future use

1001 = Reserved for future use

1010 = Reserved for future use

1011 = Reserved for future use

1100 = Reserved for future use

1101 = Reserved for future use

1110 = Reserved for future use

1111 = Reserved for future use

The sequence duty field 208 represents the 3D glasses operating state holding time.

In one embodiment, if the sequence duty field is made of first to fourth frame duty timing, and each frame duty timing is set to 6 bits, the sequence duty field 208 may be defined as follows.

bit 23-18: 1st Frame Duty Timing

000000 = 0

000001 = 1/64 frame

000010 = 2/64 frame

.

.

111101 = 62/64 frame

111110 = 63/64 frame

111111 = 1 frame

bit 17-12: 2nd Frame Duty Timing

000000 = 0

000001 = 1/64 frame

000010 = 2/64 frame

.

.

111101 = 62/64 frame

111110 = 63/64 frame

111111 = 1 frame

bit 11-6: 3rd Frame Duty Timing

000000 = 0

000001 = 1/64 frame

000010 = 2/64 frame

.

.

111101 = 62/64 frame

111110 = 63/64 frame

111111 = 1 frame

bit 5-0: 4th Frame Duty Timing

000000 = 0

000001 = 1/64 frame

000010 = 2/64 frame

.

.

111101 = 62/64 frame

111110 = 63/64 frame

111111 = 1 frame

The sync signal end indication field 210 indicates that the sync signal has ended.

In one embodiment, the synchronization signal end indication field 210 is composed of pulse signals having a burst width of 1 ms.

In another embodiment, the delay period field indicating the delay time between receiving the 3D glasses control sync signal and operating the 3D glasses for optimal 3D performance by manufacturer and display type may be further included in the 3D glasses control sync signal. can do.

2B is a format of a synchronization signal for controlling 3D glasses according to another embodiment of the present invention.

The format of the 3D glasses control synchronization signal of FIG. 2B includes a synchronization signal start indication field 222, a state sequence mode field 224, and a sequence duty field 226.

The synchronization signal start indication field 222 has the same function as the synchronization signal start indication field 202 of FIG. 2A, and thus redundant description is omitted. The sync signal start indication field 222 consists of a burst.

The state sequence mode field 224 has the same function as the state sequence field 206 of FIG. 2A, and thus redundant description is omitted. The status sequence mode field 224 preferably has 3 bits.

In one embodiment, if the state sequence mode field 224 is composed of three bits (bits 7-5), the state sequence mode field 224 may be defined as follows.

000 = LBRB mode

001 = RBLB mode

010 = BLBR mode

011 = BRBL mode

100 = Dual View Mode or 2D mode

101 = Reserved for future use

110 = Reserved for future use

111 = Reserved for future use

.

.

bit 4-0 FDT <4: 0>: 1st Frame Duty Timing

00000 = 0% (0ms)

00001 = 12.5% (1.04ms)

00010 = 15.63% (1.30ms)

.

.

11011 = 93.75% (7.81 ms)

11100 = 96.88% (8.07ms)

11101 = 100% (8.33ms)

11110 = Reserved for future use

11111 = Reserved for future use

The sequence duty field 226 has the same function as the sequence duty field 208 of FIG. 2A, and thus redundant description is omitted. The sequence duty field 226 preferably has 5 bits.

3A-3C illustrate one embodiment of a pulse signal for a synchronization signal.

As shown in Fig. 3A, the synchronization signal for controlling 3D glasses is represented by logic "0" and "1" of the pulse modulation method. In addition, the synchronization signal for controlling 3D glasses uses a carrier frequency range of 20-50 kHz, and preferably a carrier frequency of 20.5 kHz.

As shown in Figs. 3B and 3C, the synchronization signal start indication field 202 and the synchronization signal end indication field 210 are composed of pulse signals having a burst width of 1 ms.

Therefore, by lowering the carrier frequency of the 3D glasses control synchronization signal according to an embodiment of the present invention than the carrier frequency of the existing 3D glasses control synchronization signal, interference with the ballast switching frequency of the illumination can be avoided.

In addition, by generating the 3D glasses control synchronization signal according to an embodiment of the present invention in a pulse modulation method, it is possible to improve the saturation of the infrared signal due to the distance and the robustness against noise.

4A is a detailed block diagram of the synchronous transmitter 50 of FIG.

The synchronous transmitter 50 of FIG. 1 includes a transmission controller 410, a memory unit 420, and an infrared ray transmitter 430.

The transmission control unit 410 generates the 3D glasses control synchronization signal by adjusting the operation state and order of the 3D glasses and the holding time of the 3D glasses operation state, and the frame determined in synchronization with the generated 3D glasses control synchronization signal in accordance with the image synchronization signal. Occurs every cycle of.

The 3D glasses control synchronization signal includes a synchronization signal start indication field, a synchronization signal end indication field, a synchronization period field, a state sequence mode field, and a sequence duty field.

In addition, the 3D glasses control synchronization signal is generated every N frame periods, where N is a natural number of 1 or more.

In addition, the 3D glasses control synchronization signal is generated with a period larger than the length of the remote control infrared signal.

The memory unit 420 stores a synchronization signal start indication field, a synchronization signal end indication field, a synchronization period field, a state sequence mode field, and a sequence duty field. The memory unit 420 may be, for example, a magnetic recording medium such as a hard disk or a nonvolatile memory such as an EEPROM or a flash memory, but is not limited thereto.

The infrared ray transmitter 430 modulates the 3D glasses control synchronization signal generated by the transmission controller 410 into an infrared signal and transmits the same to the 3D glasses apparatus 100.

Therefore, according to an embodiment of the present invention, the 3D glasses control synchronization signal includes information for 3D glasses control, so that a single pair of glasses can be optimized for each of various types of 3D displays (eg, LCD, PDP, etc.). The operation can be implemented.

In addition, it is possible to avoid signal interference between the 3D glasses control synchronization signal and the existing remote control by making the generation period of the 3D glasses control synchronization signal longer than the generation period of the existing remote control signal.

4B is a detailed block diagram of the 3D glasses apparatus 100 of FIG. 1.

The 3D glasses apparatus 100 of FIG. 1 includes an infrared receiver 440, a reception controller 450, and a glasses shutter unit 460.

The infrared receiver 440 receives the 3D glasses control synchronization signal synchronized with the image synchronization signal from the synchronization transmitter 50.

The reception controller 450 generates the shutter driving control signal according to the information of each field included in the 3D glasses control synchronization signal received by the infrared receiver 440.

The glasses shutter unit 460 performs a shutter opening and closing operation according to a shutter driving control signal generated by the reception controller.

5A is a flowchart illustrating a 3D glasses control synchronization signal generation method according to an embodiment of the present invention.

The sync transmitter 50 generates sync start indication information indicating the start of the 3D glasses control sync signal (step 512).

The sync transmitter 50 generates sync end indication information indicating the end of the 3D glasses control sync signal (step 514).

The synchronization transmitter 50 generates synchronization period information indicating a generation period of the 3D glasses control synchronization signal (step 516).

The synchronization transmitter 50 generates state sequence mode information indicating left and right opening and closing states of the 3D glasses and an operation sequence of the 3D glasses (step 518). At this time, the operation order of the 3D glasses is adjusted according to the operating characteristics of the 3D display for optimal 3D performance.

The sync transmitter 50 generates sequence duty information indicating a holding time of the 3D glasses operating state (step 522). At this time, the holding time of the operation state of the 3D glasses is adjusted according to the operating characteristics of the 3D display for optimal 3D performance.

The synchronization transmitter 50 generates the glasses control synchronization signal by combining the generated information in a predetermined order (step 524).

In another embodiment, the sync transmitter 50 may further include delay period information indicating a delay time from receiving the 3D glasses control sync signal to the operation of the 3D glasses in the glasses control sync signal.

Finally, the glasses control synchronization signal including the synchronization start indication / end information, synchronization period information, state sequence mode information, and sequence duty information is transmitted to the 3D glasses apparatus 100.

5B is a flowchart illustrating a 3D glasses control synchronization signal generation method according to another embodiment of the present invention.

The sync transmitter 50 generates sync start indication information indicating the start of the 3D glasses control sync signal (step 532).

The synchronization transmitter 50 generates state sequence mode information indicating left and right opening and closing states of the 3D glasses and an operation sequence of the 3D glasses (step 534). The order of operation of the 3D glasses is adjusted according to the operating characteristics of the 3D display for optimal 3D performance.

The sync transmitter 50 generates sequence duty information indicating a holding time of the 3D glasses operating state (step 536). At this time, the holding time of the operation state of the 3D glasses is adjusted according to the operating characteristics of the 3D display for optimal 3D performance.

The synchronization transmitter 50 generates the glasses control synchronization signal by combining the generated information in a predetermined order (step 538).

Finally, the sync transmitter 50 transmits the glasses control sync signal including the sync start indication information, the state sequence mode information, and the sequence duty information to the 3D glasses apparatus 100 in synchronization with the Vsync signal of the image.

6A is a flowchart illustrating a 3D glasses control synchronization signal transmission method according to an embodiment of the present invention.

First, the operation state and order of the 3D glasses and the retention time of the 3D glasses operating state are adjusted for optimal 3D performance by manufacturer and display type (step 610).

Subsequently, the synchronization transmitter 50 reflects the operation state and order of the adjusted 3D glasses and the holding time of the operation state of the 3D glasses, and the glasses control synchronization start instruction field, the glasses control termination instruction field, the glasses control synchronization period field, and The glasses generate a glasses control synchronization signal by generating a state sequence mode field of the glasses and a sequence duty field of the glasses, and combining the generated fields in a predetermined order (step 620).

In this case, the glasses control synchronization signal is generated every N frame periods in synchronization with the left or right eye video signal generated by the display 30, where N is a natural number of 1 or more.

In addition, the generation period of the glasses control synchronization signal is variably generated for each predetermined frame.

Subsequently, the sync transmitter 50 checks whether the image Vsync signal is received by the display apparatus 10 (operation 630).

Subsequently, upon detecting the video Vsync signal, the sync transmitter 50 transmits the 3D glasses control sync signal to the 3D glasses apparatus 100 in synchronization with the video Vsync signal (step 640).

6B is a flowchart illustrating a 3D glasses control synchronization signal receiving method according to an embodiment of the present invention.

First, the 3D glasses apparatus 100 checks whether the 3D glasses control synchronization signal is received (S650). In one embodiment, whether the 3D glasses control synchronization signal is received is checked by checking the number of bits included in the 3D glasses control synchronization signal.

In operation 660, the 3D glasses apparatus 100 analyzes glasses control information of each field included in the 3D glasses control synchronization signal.

Subsequently, the 3D glasses apparatus 100 controls the shutter driving according to the information of each field included in the 3D glasses control synchronization signal (step 670).

7 is a timing diagram for transmitting a 3D glasses control synchronization signal according to an embodiment of the present invention.

Referring to FIG. 7, the 3D glasses control synchronization signal 710 has a specific carrier frequency and is transmitted every N frames in synchronization with an image Vsync signal. In one embodiment, the 3D glasses control sync signal 710 preferably has a carrier frequency of 20.5 kHz every 64 frames (about 1 sec). At this time, the generation period and the carrier frequency of the 3D glasses control synchronization signal 710 may be changed according to the manufacturer.

When the 3D glasses control sync signal 710 is enlarged, the 3D glasses control sync signal 720 may include a start burst, a sync period field, a sequence mode field, and a duty field. And end burst.

8 is a waveform diagram comparing the 3D glasses control synchronization signal (3D sync) and the conventional remote control signal of the present invention.

As shown in FIG. 8, assuming that the existing remote control signal length is approximately tens of ms to hundreds of ms, the 3D glasses control synchronization signal (3D sync) is compared with the existing remote control signal.

The 3D glasses control synchronization signal 810 according to an embodiment of the present invention is generated at a period greater than the length of the existing remote control signal.

Conventionally, 3D glasses control synchronization signal is generated every 16.67ms to interfere with all remote control signals. However, when the 3D glasses control synchronization signal 810 is generated every 1 second according to an embodiment of the present invention, the 3D glasses control synchronization signal may avoid interference with the remote control signal by entering a remote controller signal within an interval of 1 second. Can be. In other words, the 3D glasses control synchronization signal (3D sync) 810 according to an embodiment of the present invention is generated in an area (“X” area) deviating from the generation period (“OK” area) of the existing remote control signal. Therefore, the 3D glasses control synchronization signal 810 can avoid the interference with the existing remote control signal.

The above-described embodiments of the present invention can be embodied in a general-purpose digital computer that can be embodied as a program that can be executed by a computer and operates the program using a computer-readable recording medium. The computer-readable recording medium may include a storage medium such as a magnetic storage medium (eg, a ROM, a floppy disk, a hard disk, etc.) and an optical reading medium (eg, a CD-ROM, a DVD, etc.).

So far I looked at the center of the preferred embodiment for the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

Claims (36)

A synchronization signal generation method for controlling 3D glasses in a 3D imaging system,
Generating synchronization start indication information indicating the start of the 3D glasses control synchronization signal, state sequence mode information indicating left and right opening and closing states of the 3D glasses, and sequence duty information indicating a holding time of the 3D glasses operating state;
And generating a 3D glasses control synchronization signal by combining the generated information in a predetermined order. The method of claim 1, further comprising generating synchronization end indication information indicating an end of the 3D glasses control synchronization signal. The method of claim 1, further comprising generating synchronization period information indicating a generation period of the 3D glasses control synchronization signal. The method of claim 1, further comprising generating delay period information indicating a delay time between receiving the 3D glasses control synchronization signal and operating the 3D glasses. The method of claim 1, wherein the sequence duty information includes a holding time of a 3D glasses operating state adjusted according to an operating characteristic of the 3D display.
The method of claim 1, wherein the 3D glasses control sync signal is generated every N frame periods in synchronization with a left or right eye video signal, and N is one or more natural numbers. The method of claim 1, wherein the generation period of the 3D glasses control sync signal is generated variably for each predetermined frame. The method of claim 1, wherein the 3D glasses control synchronization signal is generated at a period greater than a length of a remote control infrared signal. The method of claim 1, wherein the 3D glasses control synchronization signal is configured by a pulse modulation method.
The method of claim 1, wherein the 3D glasses control synchronization signal further comprises transmitting the 3D glasses control synchronization signal to the 3D glasses device in synchronization with the image synchronization signal. In the 3D glasses control synchronous transmission method of the 3D imaging system,
Adjusting an operating state of the 3D glasses and an operation sequence of the left and right glasses and a holding time of the 3D glasses operating state;
Generating a 3D glasses control synchronization signal including the adjusted operation state of the 3D glasses, the operation order of the left and right glasses, and the holding time information of the 3D glasses operating state for each predetermined frame period;
And transmitting the generated glasses control synchronization signal to the 3D glasses device in synchronization with the image synchronization signal. 12. The method of claim 11, wherein the operation state of the 3D glasses, the operation order of the left and right glasses, and the holding time of the 3D glasses operating state are adjusted differently for each display type. In the 3D glasses control synchronization receiving method of the 3D imaging system,
Receiving a 3D glasses control synchronization signal including operation state of the 3D glasses, order information of left and right glasses, and holding time information of the 3D glasses operating state;
Generating a shutter driving control signal according to each information included in the received 3D glasses control synchronization signal;
And driving the shutter according to the generated shutter driving control signal. In the 3D glasses control synchronous transmission device of the 3D imaging system,
A transmission control unit for generating a 3D glasses control synchronization signal including an operation state of the 3D glasses, operation order information of the left and right glasses, and holding time information of the operation state of the 3D glasses;
And an infrared transmitter for modulating the glasses control sync signal generated by the transmission controller into an infrared signal and transmitting the modulated glasses to a 3D glasses apparatus. 15. The 3D glasses control sync signal according to claim 14, wherein the 3D glasses control sync signal includes a sync start instruction field indicating the start of the 3D glasses control sync signal, sync cycle information indicating a generation period of the 3D glasses control sync signal, and left and right opening and closing states of the 3D glasses. 3D glasses control synchronization transmitting device, comprising: a status sequence mode field indicating, a sequence duty field indicating a holding time of an operation state of the 3D glasses operation state, and a synchronization end indicating field indicating the end of the 3D glasses control synchronization signal; The apparatus for synchronizing 3D glasses control according to claim 14, wherein the controller generates a 3D glasses control synchronization signal at every frame cycle in synchronization with a left eye image signal. 15. The apparatus of claim 14, wherein the controller generates the 3D glasses control synchronization signal at a period greater than a length of the remote control signal. In the 3D glasses control synchronization receiving device of the 3D imaging system,
An infrared receiver configured to receive a 3D glasses control synchronization signal including an operation state of the 3D glasses, operation sequence information of the left and right glasses, and holding time information of the 3D glasses operation state in synchronization with the image synchronization signal;
A reception controller configured to generate a shutter driving control signal according to each information included in the 3D glasses control synchronization signal received by the infrared receiver;
3D glasses control synchronization receiving device including a glasses shutter unit for driving the shutter in accordance with the shutter drive control signal generated by the reception control unit. In the 3D imaging system,
A display device for generating 3D left and right eye image synchronization signals;
A synchronous transmission device for transmitting the 3D glasses control synchronization signal including the operation state of the 3D glasses, the operation sequence information of the left and right glasses, and the holding time information of the operation state of the 3D glasses, at every frame period in synchronization with the image synchronization signal;
And a synchronization receiving device that receives the 3D glasses control synchronization signal from the synchronization transmission device and generates a shutter drive control signal according to each information included in the 3D glasses control synchronization signal. A computer-readable recording medium having recorded thereon a program for implementing the method of any one of claims 1 to 13. A receiver configured to receive a 3D glasses control signal from a display device;
A control unit for determining period information of a synchronization signal based on a synchronization signal period field included in the 3D glasses control signal, and generating a shutter driving control signal based on the period information; And
3D glasses comprising a shutter for driving the shutter in accordance with the shutter drive control signal. The method of claim 21, wherein the control unit,
The shutter driving control signal is generated in consideration of the delay field included in the 3D glasses control signal, and the delay field is configured to store delay information from a reference time determined by the 3D glasses and the display device to an opening or closing operation of the shutter. 3D glasses, characterized in that it comprises. The method of claim 21, wherein the control unit,
The shutter driving control signal is generated in consideration of an instruction field included in the 3D glasses control signal, and the instruction field indicates that the 3D glasses control signal is a transmission for synchronous control between the 3D glasses and a display device. 3D glasses. The method of claim 21, wherein the control unit,
The shutter driving control signal is generated in consideration of a mode field included in the 3D glasses control signal, wherein the mode field is configured to include at least one of a dual-view mode, a 2D mode, and an open and close operation sequence of the shutter. 3D glasses, characterized by defining an operation mode. The method of claim 21, wherein the receiving unit,
And receiving the 3D glasses control signal at a preset cycle, wherein the preset cycle is greater than the Vsync cycle of the display device. The method of claim 21, wherein the synchronization signal,
3D glasses, characterized in that the Vsync. The method of claim 21, wherein the control unit,
And generating the shutter driving control signal in consideration of a duty field included in the 3D glasses control signal, wherein the duty field includes time information for holding or closing the shutter. The method of claim 21, wherein the receiving unit,
3D glasses characterized in that for receiving the 3D glasses control signal using any one of Bluetooth, Zigbee, WLAN. A display for alternately outputting a left eye image and a right eye image;
A transmitter for transmitting a 3D glasses control signal to the 3D glasses to control shutter driving of the 3D glasses in response to the left eye image and the right eye image; And
And a controller configured to determine a synchronization signal period field including period information of a synchronization signal to determine a period of the shutter driving, and to generate the 3D glasses control signal including the synchronization signal period field. The method of claim 29, wherein the control unit,
Determine a delay field including delay information from a time point determined by the 3D glasses and the display apparatus to an opening or closing operation of the shutter of the 3D glasses, and generating the 3D glasses control signal including the delay field. Display device. The method of claim 29, wherein the control unit,
And an indication field indicating that the transmission is for synchronous control between the 3D glasses and the display device, and generating the 3D glasses control signal including the indication field. The method of claim 29, wherein the control unit,
Determining a mode field defining an operation mode of the 3D glasses of at least one of a dual-view mode, a 2D mode, an open and close operation sequence of the left and right shutters, and generating the 3D glasses control signal comprising the mode field Display device characterized in that. The method of claim 29, wherein the transmitting unit,
And transmitting the 3D glasses control signal at a preset cycle, wherein the preset cycle is greater than the Vsync cycle of the display apparatus. The method of claim 29, wherein the synchronization signal,
Display device characterized in that the Vsync. The method of claim 29, wherein the control unit,
And determining a duty field including information on holding time of opening or closing of the shutter of the 3D glasses, and generating the 3D glasses control signal including the duty field. The method of claim 29, wherein the transmitting unit,
Display device, characterized in that for transmitting the 3D glasses control signal using any one of Bluetooth, Zigbee, WLAN.

Images