KR880008678A - Shutter driving circuit of wireless liquid crystal glasses - Google Patents

Shutter driving circuit of wireless liquid crystal glasses Download PDF

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Publication number
KR880008678A
KR880008678A KR860010356A KR860010356A KR880008678A KR 880008678 A KR880008678 A KR 880008678A KR 860010356 A KR860010356 A KR 860010356A KR 860010356 A KR860010356 A KR 860010356A KR 880008678 A KR880008678 A KR 880008678A
Authority
KR
South Korea
Prior art keywords
signal
light emitting
liquid crystal
amplifier
circuit
Prior art date
Application number
KR860010356A
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Korean (ko)
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KR900003779B1 (en
Inventor
방호열
Original Assignee
한형수
삼성전자 주식회사
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Application filed by 한형수, 삼성전자 주식회사 filed Critical 한형수
Priority to KR1019860010356A priority Critical patent/KR900003779B1/en
Publication of KR880008678A publication Critical patent/KR880008678A/en
Application granted granted Critical
Publication of KR900003779B1 publication Critical patent/KR900003779B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

내용 없음.No content.

Description

무선액정안경의 셔터구동회로Shutter driving circuit of wireless liquid crystal glasses

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래 액정안경의 셔터구동회로를 나타내는 블록도,1 is a block diagram showing a shutter driving circuit of a conventional liquid crystal glasses,

제3도는 제1필드 및 제2필드의 동기펄스를 나타내는 도면,3 is a diagram showing synchronization pulses of a first field and a second field;

제4도는 제2도의 따른 각부파형도이다.4 is an angular waveform diagram according to FIG. 2.

Claims (1)

합성영상신호를 발생하는 합성영상 신호발생부(1)와 합성영상신호에서 수직동기신호를 분리하는 수직동기신호분리부(2), 제1필드와 제2필드에서의 수직동기의 등화펄스수를 이용하여 좌우를 판별하므로서 1프레임의 주기를 갖는 구형파를 출력하는 좌우판별회로(3), 수광소자의 주파수에 일치하는 주파수를 발진하는 주파수발진부(4), 상기 주파수발진부(4)에서 발진되는 신호에 상기 좌우판별회로(3)에서 출력되는 구형파신호를 싣는 변조부(5), 상기 변조부(5)에서 변조된 신호를 받아 발광부(7)를 구동하는 발광부구동회로(6) 및 상기 발광부구동회로(6)의 구동에 의해 적외선신호를 송출하는 발광부(7)로 구성된 송신부(A)와, 상기 송신부(A)의 송신신호를 수신하는 수광부(8)와 수광부(8)에 수신된 신호를 증폭하는 증폭부(9), 상기 증폭부(9)가 포화되는 것을 방지하는 자동바이어스레벨 제어회로(10), 상기 증폭부(9)에서 증폭된 신호중 저역의 불필요한 신호를 제거하여 증폭하는 리미터 증폭회로(11), 필요한 대역의 주파수만을 통과시키는 대역통과여파기(12), 상기 대역통과여파기(12)의 출력성분레벨에 따라 가변되는 잡음의 혼입을 경감시켜 검파하는 검파비교기(13), 상기 검파비교기(13)의 출력을 적분하는 적분기(14) 및 상기 적분기(14)에서 적분된 신호를 구형파로 변환하는 히스테리시스비교기(15)로 구성된 수신부(B) 및, 인버터(IV)와 D형 플립플롭(DF1)(DF2) 및 버퍼(BF1-BF3)로 구성되어 상기 수신부(B)의 출력에 따라 좌우액정셔터(X)(Y)를 번갈아 구동하는 액정셔터구동부(C)를 구비하여서 된 무선액정안경의 셔터구동회로.The synthesized video signal generator 1 for generating a composite video signal and the vertical sync signal separator 2 for separating the vertical sync signal from the composite video signal, and the number of equalization pulses of the vertical sync in the first and second fields. Left and right discrimination circuit 3 for outputting a square wave having a period of one frame by discriminating the left and right by using the signal, a frequency oscillator 4 oscillating a frequency corresponding to the frequency of the light receiving element, a signal oscillated by the frequency oscillator 4 A modulator 5 for loading a square wave signal output from the left and right discrimination circuits 3, a light emitting unit driver circuit 6 for driving the light emitting unit 7 by receiving a signal modulated by the modulator 5 and the A transmitting unit A composed of a light emitting unit 7 for transmitting an infrared signal by driving the light emitting unit driving circuit 6, and a light receiving unit 8 and a light receiving unit 8 for receiving the transmission signal of the transmitting unit A; An amplifier 9 for amplifying the received signal, the amplifier 9 being saturated An automatic bias level control circuit 10 for preventing, a limiter amplifier circuit 11 for removing and amplifying low frequency unnecessary signals among the signals amplified by the amplifier 9, and a band pass filter 12 for passing only frequencies of a required band. A comparator 13 for reducing the detection of noise varying according to the output component level of the band pass filter 12, an integrator 14 and an integrator 14 for integrating the output of the comparator 13; A receiver (B) composed of a hysteresis comparator (15) converting the signal integrated in the square into square waves, and an inverter (IV), a D-type flip-flop (DF 1 ) (DF 2 ), and a buffer (BF 1 -BF 3 ). And a liquid crystal shutter driver (C) for alternately driving the left and right liquid crystal shutters (X) (Y) in accordance with the output of the receiver (B). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860010356A 1986-12-04 1986-12-04 Shutter driving circuit KR900003779B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860010356A KR900003779B1 (en) 1986-12-04 1986-12-04 Shutter driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860010356A KR900003779B1 (en) 1986-12-04 1986-12-04 Shutter driving circuit

Publications (2)

Publication Number Publication Date
KR880008678A true KR880008678A (en) 1988-08-31
KR900003779B1 KR900003779B1 (en) 1990-05-31

Family

ID=19253823

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860010356A KR900003779B1 (en) 1986-12-04 1986-12-04 Shutter driving circuit

Country Status (1)

Country Link
KR (1) KR900003779B1 (en)

Also Published As

Publication number Publication date
KR900003779B1 (en) 1990-05-31

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