CN2845364Y

CN2845364Y - The digital 3 D TV player

Info

Publication number: CN2845364Y
Application number: CN 200520099335
Authority: CN
Inventors: 龚志浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-13
Filing date: 2005-12-13
Publication date: 2006-12-06
Anticipated expiration: 2015-12-13

Abstract

The digital 3 D TV player relates to a kind of audiovisual electronic equipment, is specifically related to a kind of digital 3 D TV player.The crystal glasses drive circuit module is connected with digital 3 D TV player main frame, crystal glasses, and the three is fixedly connected to be integral.Crystal glasses is made up of spectacle frame, shadow shield, liquid crystal eyepiece, anti-flicker optical attenuator eyeglass, three-prong plug.Audio video synchronization split circuit IC1, double D trigger IC2, two four path analoging switch IC3, six Schmidt trigger IC4 are arranged in the crystal glasses drive circuit module circuit.Crystal glasses drive circuit module circuit structure of the present utility model is simple, just need not debug and to move, cooperate liquid crystal light valve anaglyph spectacles and digital 3 D TV player main frame, has the function of playing and watching three-dimensional television, simultaneously again can compatible DVD etc., and simple to operate, easy to use, effective compatibility of realization and existing DVD player etc. solves the problem of seeing stereoscopic TV.

Description

The digital 3 D TV player

Technical field

The utility model relates to a kind of audiovisual electronic equipment, is specifically related to a kind of digital 3 D TV player.

Background technology

The image that the DVD player of present each manufacturer production broadcasts on the CRT television set all is a two-dimensional image, lack stereovision, as dynamic images such as wave huge tsunami, gripping football match, the crowd are surging is a plane picture during television for play at home, do not have stereoeffect, impression is had a greatly reduced quality.

Along with economic development, society is rich, and the people improves gradually to the requirement of quality of life, and the simple plane image can not satisfy the consumer's who aspires after perfection needs, everybody wishes to see stereoscopic TV at home, and existing DVD player can not be realized this hope." not flicker liquid crystal anaglyph spectacles " (patent No. 03233286.6) arranged for this reason, comprise mirror holder, picture frame and eyepiece, eyepiece is by liquid crystal light valve and increase frequently the back supplemental light source and forms, and by the switching of alternately controlling left and right sides liquid crystal light valve through the TV synchronousing signal of amplification; On the synchronous control signal in back supplemental light source, establish three groups of photoelectric control circuits, by red, green, blue three coloured light detect light sensor to external world the strong and weak color separation of light source carry out opto-electronic conversion, back supplemental light light source input voltage is controlled.It is the Photoelectric Detection formula, except that need input video drive signal, also need import steering signal, and circuit structure complexity, debugging bother, weight is big, wear fatiguability." the mask signal device of crystal glasses " (patent No. 01111279.4) comprises a signal generation unit, and one includes the timing unit of a register, a signal delay unit, an output unit.It provides the user to control the function of mask signal sequential.Not only need to import multiple signal when it uses and repeatedly adjusts, and circuit unit is many, complex structure, cost are higher.

Summary of the invention

The purpose of this utility model is at above-mentioned present situation, aim to provide a kind of simple in structure, processing ease, low price, can adapt to multiple television system, both can play and watch the common plane image programs, can play the digital 3 D TV player of watching the stereo-picture program again.

The implementation of the utility model purpose is, the digital 3 D TV player, digital 3 D TV inserting and playing machine main frame 1 is connected with crystal glasses drive circuit module 2 by two core video leads, in the three core female plug seats in the three core public plugs insertion crystal glasses drive circuit of crystal glasses 3, the three is fixedly connected to be integral

Composite video signal connects 2 pin of audio video synchronization split circuit IC1 (LM1881) in the liquid product anaglyph spectacles drive circuit module 2 through capacitor C 1,3 pin of IC1,7 pin connect 11 pin of double D trigger IC2 (4013BE) respectively, 10 pin, 12 pin and 9 pin of IC2 are connected together, 12 of IC2,13 pin, K switch is selected in the 10 pin selectings of two four path analoging switch IC3 (4052), 11 pin of six Schmidt trigger IC4 (40106), 10 pin, C4, R3 constitutes a multivibrator, 8 pin and 9 pin are inverters, one the tunnel meets the L of crystal glasses C6 and C5, the R end, one the tunnel meets 1 of IC3,2,4,5 pin

The spectacle-frame 6 and the spectacle frame 4 of crystal glasses 3 are connected as a single entity, and there is shadow shield 5 spectacle-frame 6 tops, and frame is embedded with liquid crystal eyepiece 7, and liquid crystal eyepiece 7 surfaces are covered by anti-flicker optical attenuator eyeglass 8, and the three-prong plug of band three-core conductor is connected with liquid crystal eyepiece 7.

The utility model is a foundation with people's binocular parallax principle, the form of utilization time division type stereo-picture shows on the CRT TV, being about to the plane anaglyph that two width of cloth have the binocular parallax relation is cut apart in time, watch corresponding plane anaglyph (left-eye image and eye image) so that beholder's left eye and right eye are taken up in order of priority, and then two width of cloth plane anaglyphs are synthesized a width of cloth stereo-picture by the fusion of eye and brain.The utility model has increased circuit structure on digital broadcast machine circuit plate simple, need not debug the crystal glasses drive circuit module that just can move, cooperate liquid crystal light valve anaglyph spectacles and three-dimensional program digital CD or have the hard disc of computer of three-dimensional program, make the digital broadcast facility that the function of playing and watching three-dimensional television be arranged, simultaneously again can compatible DVD, SVCD, CD, CD-R, CD-RW, and it is simple to operate, easy to use, realize effective compatibility with existing DVD player and DVD video disc program, solved the deficiency of existing stereoscopic TV correlation technique, thus realized video disc player video playback and watch by the leap of two dimensional image to 3-D view.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is a crystal glasses drive circuit module circuit diagram

Fig. 3 is the structural representation of crystal glasses

Fig. 4 is the annexation figure between the utility model and the CRT TV

Fig. 5 is the signal waveform schematic diagram in the crystal glasses drive circuit

Embodiment

With reference to Fig. 1, the utility model is made up of digital 3 D TV player main frame 1, crystal glasses drive circuit module 2 and crystal glasses 3.Digital 3 D TV player main frame 1 is connected with crystal glasses drive circuit module 2 by two core video leads, and in the three core female plug seats in the three core public plugs insertion crystal glasses drive circuit of crystal glasses 3, the three is fixedly connected to be integral.Digital 3 D TV player main frame 1 adopts common DVD video disc player, high definition video disc player, hard disk audio and video player or digital TV set-top box.It is 720 * 576i that the video output best result of DVD player is debated rate, and i represents interlacing scan.The high definition video disc player has EVD video disc player, blue-ray DVD video disc player, and it is 1920 * 1080i that the best result of its video output is debated rate, reaches the high definition level of HDTV.

With reference to Fig. 3, crystal glasses is made up of the three-prong plug of spectacle frame 4, shadow shield 5, spectacle-frame 6, liquid crystal eyepiece 7, anti-flicker optical attenuator eyeglass 8, band three-core conductor, liquid crystal eyepiece 7 surfaces are covered by anti-flicker optical attenuator eyeglass 8, being fit to most of people wears, it can make a kind of darkroom of wearer's formation before eyes effect, effectively eliminates the interference light of all directions face, improves contrast, thereby strengthen the third dimension of video image, reach comparatively satisfied effect.

Liquid crystal eyepiece 7 adopts the liquid crystal light valve of switching frequency scopes between 50HZ-160HZ, and it can be applicable to the watching of three-dimensional television of multiple television systems such as pal mode, TSC-system formula.

Anti-flicker optical attenuator eyeglass 8 can carry out suitable decay to passing the image light of coming from video screen, equilbrium brightness, thereby reduce the flickering of stereopsis significantly, especially watching the effect that can reach imperceptible flicker basically under the darker situation of ambient light.

It is to take with the time division type digital three-dimensional video camera of twin-lens that the utility model is play the three-dimensional video-frequency TV programme of using, its principle is exactly the binocular parallax principle according to the people, time division type digital three-dimensional video camera with twin-lens, take same scenery synchronously from different angles, to obtain the plane anaglyph that two width of cloth have certain parallax relation, it is left-eye image, eye image, utilize then in the time division circuit filtering left-eye image even field signal and and eye image in strange field signal, and the even field signal of strange field signal in the reservation left-eye image and eye image, utilize the adder circuit that strange field signal in the left-eye image and the even field signal in the eye image are carried out the time addition again, promptly obtain the time-division three-dimensional television signal, this signal is an interlaced video signal, 50 pictures of per second (corresponding PAL television system), wherein left-eye image and eye image are each 25, alternately arrange, left-eye image is arranged on the strange field of every two field picture, utilize video recording apparatus, digital video coding mode with the Moving Picture Experts Group-2 form writes down and is stored on the digital recording band, carry out post-production at last and can obtain three-dimensional program DVD CD, also three-dimensional program can be stored on the hard disc of computer.

With reference to Fig. 4, the utility model 10 links to each other with CRT TV 11 with the video lead by audio wire respectively

Below by the auspicious the utility model of stating of embodiment:

Example 1: main frame adopts DVD player, the DVD video disc that will have a three-dimensional program of pal mode is packed into after DVD player main frame 1 of the present utility model plays, by the AUDIO OUT audio frequency terminal in the AV terminal of main frame, audio signal is passed to audio input end of the CRT TV 11 of multi-modulation scheme by audio wire, and again by the composite video terminal in the VIDEO OUT video terminal, the S terminal, aberration terminal (Y, Cb, Cr), DVI-I digital visual interface terminal is exported the interlaced video signal of pal mode simultaneously, wherein one tunnel vision signal is passed to any in CRT TV 11 above-mentioned four kinds of terminal video input terminals of multi-modulation scheme by the video lead, one road pal mode, field frequency is the 2 pin (see figure 2)s that the composite video signal of 50HZ enters audio video synchronization split circuit IC1 (LM1881) by the audio video synchronization split circuit C1 of video lead in crystal glasses drive circuit module 2.The 3 pin output field lock-out pulses of IC1, the square-wave signal of 7 pin output 25HZ, this square-wave signal has useful especially characteristics, and the high potential of its waveform is always corresponding to strange of each frame picture, as shown in Figure 5.These characteristics have been removed from when making anaglyph spectacles and have been aimed at the trouble (in the past using black and white synchronization blocks or left eye steering signal) that right and left eyes is provided with circuit synchronously.Double D trigger IC2 (4013BE) only uses half, and 12 pin (Q) of IC2 are connected together with 9 pin (D), constitute a counter circuit.When 11 pin (CP) are sent into the field system chronizing impulse in 50 weeks of per second, 12, the square-wave signal of 13 pin (Q, Q) output per second 25HZ, strange or even of this square-wave signal and every width of cloth picture does not have corresponding relation.The square-wave signal of IC1 output enters 10 pin (S puts the number end) of IC2 behind C3, R2 differential for this reason.When the square wave of IC1 was in rising edge, 13 pin (Q) were compelled to synchronously.The output that can find out IC2 thus is subjected to the common control of 10,11 pin two-way pulses.When vision signal is sneaked into interference, IC1 output two paths of signals one tunnel occurs when wrong, and IC2 still can operate as normal, and this is more stable than RC anti-jamming circuit commonly used.

Selector switch K is used for exchanging left eye signal and right eye signal phase relation, and so-called phase relation is exactly the synchronous switch relation of control crystal glasses and stereo-picture, can accurately timesharing see left-eye image and eye image in order to guarantee left eye and right eye.The phase relation of the three-dimensional program that different publishing houses publish may be different, if finding left-eye image and eye image has done instead, find that just the stereo-picture depth of field relation of seeing is opposite with actual conditions, make it recover normal through adjusting this switch, a common film only needs to adjust once, and phase relation is correct then need not to adjust.

With reference to Fig. 2,3, two liquid crystal light valves on the crystal glasses can equivalence be two small capacitor C5 and C6 in circuit, and C5 is connected with crystal glasses drive circuit module 2 with three-way three-prong plug 11 with C6.Two four path analoging switch IC3 (4052), six Schmidt trigger IC4 (40106) are provided with for driving liquid crystal glasses specially.11 pin of IC4,10 pin, C4, R3 constitute a multivibrator.8 pin and 9 pin are inverters, the AC signal of output Vp-p24V between 8,9 bipods, and one the tunnel gives L, the R end of crystal glasses 3, and 1,2,4,5 pin of IC3 are given on another road.Press the connection of Fig. 2, when video screen shows left-eye image, when 10 pin of IC3 are high level, 3,4 pin bipod conductings, the right eye liquid crystal light valve sheet C5 blackening of anaglyph spectacles, so right eye is blocked 2,3 bipods of IC3 disconnection at this moment, left eye liquid crystal light valve C6 printing opacity is so left eye can be seen image.Otherwise when video screen showed eye image, 10 pin of IC3 were low level, 3,4 bipods disconnect, the right eye liquid crystal light valve C5 printing opacity of anaglyph spectacles, so right eye can be seen image, 2, the 3 bipod conductings of IC3 at this moment, left eye liquid crystal light valve C6 blackening is so left eye is blocked.Carry out so repeatedly, apply the two slice liquid crystal light valves of voltage, can simulate the effect of stereo-picture to anaglyph spectacles by continuous and staggered.The switching frequency that entire circuit finally outputs to the signal of telecommunication of crystal glasses is that 50HZ, switching voltage are 24V, and is simple in structure, just need not debug and can move.

Example 2: main frame adopts the hard disk DVD player, utilize computer that the three-dimensional video-frequency program of the pal mode digital video coding mode with the Moving Picture Experts Group-2 form is write down and is stored in the hard disc of computer of hard disk DVD player main frame by the USB interface on the hard disk DVD player, play store in this machine the three-dimensional video-frequency program, main frame output audio and vision signal, its follow-up implementation process is with example 1.

Example 3: main frame adopts top box of digital machine, directly receives or the three-dimensional television of the Phase Alternation Line system of program request reception cable TV station broadcast by the top box of digital machine main frame, and main frame output audio vision signal, its follow-up implementation process is with example 1.

The utility model is also applicable to playing and watch the three-dimensional television of TSC-system formula, and plays and watches the three-dimensional television difference of pal mode to be:

1) the three-dimensional television content per second of TSC-system formula is 60 pictures, and wherein left-eye image and eye image are each 30;

2) after digital 3 D TV player main frame 1 was play the three-dimensional television of TSC-system formula, the field frequency that sends the vision signal of crystal glasses drive circuit module 2 by the video lead to was 60HZ;

3) square-wave signal of 7 pin of IC1 output is 30HZ among Fig. 2, when 11 pin (CP) of IC2 are sent into the field system chronizing impulse of per second 60HZ, the square-wave signal of 12, the 13 bipods output per second 30HZ of IC2, the switching frequency that entire circuit finally outputs to the signal of telecommunication of crystal glasses is 60HZ.

Claims

1, digital 3 D TV player, it is characterized in that digital 3 D TV player main frame (1) is connected with crystal glasses drive circuit module (2) by two core video leads, in the three core female plug seats in the three core public plugs insertion crystal glasses drive circuit of crystal glasses (3), the three is fixedly connected to be integral

Composite video signal connects 2 pin of audio video synchronization split circuit IC1 (LM1881) in the crystal glasses drive circuit module (2) through capacitor C 1,3 pin of IC1,7 pin connect 11 pin of double D trigger IC2 (4013BE) respectively, 10 pin, 12 pin and 9 pin of IC2 are connected together, 12 of IC2,13 pin, K switch is selected in the 10 pin selectings of two four path analoging switch IC3 (4052), 11 pin of six Schmidt trigger IC4 (40106), 10 pin, C4, R3 constitutes a multivibrator, 8 pin and 9 pin are inverters, one the tunnel meets the L of crystal glasses (3) C6 and C5, the R end, one the tunnel meets 1 of IC3,2,4,5 pin

The spectacle-frame (6) of crystal glasses (3) is connected as a single entity with spectacle frame (4), there is shadow shield (5) spectacle-frame (6) top, frame is embedded with liquid crystal eyepiece (7), liquid crystal eyepiece (7) surface is covered by anti-flicker optical attenuator eyeglass (8), and the three-prong plug of band three-core conductor is connected with liquid crystal eyepiece (7).

2, digital 3 D TV player according to claim 1 is characterized in that digital 3 D TV player main frame (1) adopts common DVD video disc player, high definition video disc player, hard disk audio and video player or digital TV set-top box.

3, digital 3 D TV player according to claim 1, it is 720 * 576i that the video output best result that it is characterized in that DVD player is debated rate.

4, digital 3 D TV player according to claim 1 is characterized in that the high definition video disc player has EVD video disc player, blue-ray DVD video disc player, and it is 1920 * 1080i that the best result of its video output is debated rate.