KR910002286A - Transmission and Recording Device of Video Signal - Google Patents

Transmission and Recording Device of Video Signal Download PDF

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Publication number
KR910002286A
KR910002286A KR1019890008091A KR890008091A KR910002286A KR 910002286 A KR910002286 A KR 910002286A KR 1019890008091 A KR1019890008091 A KR 1019890008091A KR 890008091 A KR890008091 A KR 890008091A KR 910002286 A KR910002286 A KR 910002286A
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KR
South Korea
Prior art keywords
information
signal
amplitude
modulating
sampling
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KR1019890008091A
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Korean (ko)
Inventor
고지 에비스
고지 간바야시
겐이찌 시부야
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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Priority claimed from JP63147346A external-priority patent/JP2906412B2/en
Priority claimed from JP14734788A external-priority patent/JP2913642B2/en
Priority claimed from JP63289524A external-priority patent/JPH02134787A/en
Priority claimed from JP63293219A external-priority patent/JPH02137593A/en
Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR910002286A publication Critical patent/KR910002286A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32358—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N1/32363—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter at the transmitter or at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32358—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N1/32491—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter alternate storage in and retrieval from two parallel memories, e.g. using ping-pong buffers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/646—Transmitting or storing colour television type signals, e.g. PAL, Lab; Their conversion into additive or subtractive colour signals or vice versa therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/648—Transmitting or storing the primary (additive or subtractive) colour signals; Compression thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/917—Television signal processing therefor for bandwidth reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/797—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3285—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N2201/3287—Storage of at least one complete document page or image frame

Abstract

내용 없음No content

Description

영상 신호의 전송 기록 장치 및 재생 장치Transmission and Recording Device of Video Signal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 AM 전송 시스템의 블록 다이어그램.2 is a block diagram of an AM transmission system according to the present invention.

제3도는 AM 데이터 보정용 회로의 블록 다이어그램.3 is a block diagram of a circuit for AM data correction.

제4도는 음향/정지 영상신호에 대한 기록 시스템의 블록 다이어그램.4 is a block diagram of a recording system for an audio / still image signal.

제5도는 재생 시스템의 블록 다이어그램.5 is a block diagram of a playback system.

Claims (9)

전송로상으로 유입 정보 신호를 전송하기 위한 변조 회로에 있어서, 상기 유입 정보 신호를 샘플링 주파수 fs에서 샘플링 하는 샘플링 수단과; 샘플링된 상기 유입 정보 신호에 의해 샘플링 주파수 fc의 1/2인 주파수 fc의 반송파 신호를 진폭 변조하기 위해 상기 샘플링 수단에 접속된 진폭 변조수단을 구비한 것을 특징으로 하는 변조 회로.A modulation circuit for transmitting an inflow information signal on a transmission path, comprising: sampling means for sampling the inflow information signal at a sampling frequency fs; And an amplitude modulating means connected to said sampling means for amplitude modulating a carrier signal of frequency fc which is 1/2 of a sampling frequency fc by said sampled inflow information signal. 제1항에 있어서, 상기 반송 주파수 fc는 상기 샘플링 주파수 fs를 2로 나눔으로서 발생되는 것을 특징으로 하는 변조회로.2. The modulation circuit of claim 1, wherein the carrier frequency fc is generated by dividing the sampling frequency fs by two. 제1항에 있어서, 인접한 두 데이터의 차를 소정치로 제한하기 위해, 상기 샘플링 수단과 진폭 변조수단 사이에 삽입 설치된 진폭 조정 수단을 부가적으로 포함하는 것을 특징으로 하는 변조회로.2. The modulation circuit according to claim 1, further comprising an amplitude adjusting means interposed between the sampling means and the amplitude modulating means to limit the difference between two adjacent data to a predetermined value. 디지털 정보를 변조하기 위한 변조 회로에 있어서, 교번적으로 유입 디지털 정보를 반전시키는 데이카 반전수단과; 진폭 변조 신호를 발생하기 위해, 상기 데이터 반전 수단에 접속된 D/A변환 수단과; D/A변환수단에 접속된 저역 통과 필터를 구비한 것을 특징으로 하는 변조 회로.A modulation circuit for modulating digital information, comprising: deika inverting means for alternately inverting incoming digital information; D / A conversion means connected to said data inverting means for generating an amplitude modulated signal; And a low pass filter connected to the D / A converting means. 상기 샘플링 주파수 fs에서 상기 유입 신호를 샘플링하는 수단과, 상기 샘플 유입 정보 신호에 의해, 상기 샘플링 주파수 fs의 1/2주파수인 fc의 반송파 신호를 진폭 변조하기 위해 샘플링 수단에 접속된 진폭 변조수단을 갖는 진폭 변조기에서 발생된 진폭 변조 신호를 복조하기 위한 복조 회로에 있어서, 상기 진폭 변조신호를 공급하는 전파 정류 회로수단과 상기 전파 정류 회로수단에 접속된 필터수단을 포함하는 것을 특징으로 하는 복조회로.Means for sampling the incoming signal at the sampling frequency fs and amplitude modulation means connected to the sampling means for amplitude modulating a carrier signal of fc, which is half frequency of the sampling frequency fs, by the sample inflow information signal; A demodulation circuit for demodulating an amplitude modulated signal generated by an amplitude modulator having a demodulation circuit comprising: full-wave rectifying circuit means for supplying said amplitude modulated signal and filter means connected to said full-wave rectifying circuit means; . 정지 영상 재생장치에 있어서, 음향 테이프의 기록 트랙으로부터 제어신호와 더불어 진폭 변조 정지 영상 정보를 재생하는 변환기 헤드와; 원래의 정지 영상 정보를 복원하기 위해 상기 변환기 헤드에 접속된 복조기와; 상기 정지 영상정보를 저장하기 위해 제1, 제2영상 메모리와; 상기 변환기 헤드에 의해 재생된 제어 신호에 기초하여, 상기 메모리들 중의 하나로부터 저장 정지 영상정보를 판독하고 또한 나머지 다른 하나의 메로리로부터 정지 영상 정보를 기록하기 위해 상기 제1, 제2 메모리에 접속된 메모리 제어수단을 구비한 것을 특징으로 하는 정지 영상 재생 장치.A still picture reproducing apparatus, comprising: a converter head for reproducing amplitude modulated still picture information together with a control signal from a recording track of an acoustic tape; A demodulator connected to the converter head for restoring original still image information; First and second image memories for storing the still image information; Based on a control signal reproduced by the converter head, connected to the first and second memories for reading stored still picture information from one of the memories and for recording still picture information from the other memory. And a memory control means. 제6항에 있어서, 상기 제1, 제2메모리 각각은 상기 정지 영상정보에 대해 휘도 정보와 한쌍의 색차 정보용으로 세 개의 메모리 소자을 갖는 것을 특징으로 하는 정지 영상 재생장치.7. The still image reproducing apparatus according to claim 6, wherein each of the first and second memories has three memory elements for luminance information and a pair of color difference information with respect to the still image information. 음향 테이프 레코더의 자기 테이프상에 정지 영상 정보를 기록하기 위한 정지 영상 기록장치에 있어서, 유입 정지 비데오 신호를 디지털화하는 디지털 수단과; 상기 디지털 정지 정보를 저장하기 위해, 상기 디지털 수단에 접속된 메모리 수단과; 상기 메모리로부터 판독된 디지털 정지 비데오 정보를 진폭 변조하기 위해 상기 메모리 수단에 접속된 진폭 변조수단과; 디지털 진폭 변조정지 비데오 정보를 아나로그 형성 진폭정지 정보로 변환하는 D/A변환 수단과; 음향 테이프의 기록 트랙상의 상기 진폭 변조 정지 비데오 정보를 기록하기 위한 자기헤드 수단을 구비한 것을 특징으로 하는 정지 영상 기록 장치.A still image recording apparatus for recording still image information on a magnetic tape of an acoustic tape recorder, comprising: digital means for digitizing an incoming still video signal; Memory means connected to said digital means for storing said digital stop information; Amplitude modulating means connected to said memory means for amplitude modulating digital stop video information read from said memory; D / A conversion means for converting the digital amplitude modulation stop video information into analog formation amplitude stop information; And magnetic head means for recording the amplitude modulated still video information on a recording track of an acoustic tape. 정지 비데오 정보 기록장치에 있어서, 유입 정지 비데오 정보에 의해 제1반송파를 변조시키는 제1변조수단과; 제어 신호에 의해 제1반송파 주파수보다 낮은 주파수의 제2반송파를 변조시키기 위한 제2변조 수단과; 상기 제1반송파를 변조시키는 연속 정지 비데오 정보 사이에 제2변조 신호를 삽입하기 위해 상기 제1변조 수단과 제2변조 수단에 접속된 신호 혼합 수단과; 음향 테이프 기록 트랙상에서 상기 신호 혼합수단으로부터 유도된 기록 신호용 수단을 구비한 것을 특징으로 하는 정지 비데오 정보 기록 장치.A stationary video information recording apparatus, comprising: first modulating means for modulating a first carrier by inflow and stop video information; Second modulating means for modulating a second carrier of a frequency lower than the first carrier frequency by a control signal; Signal mixing means connected to the first modulating means and the second modulating means to insert a second modulated signal between the continuous stop video information modulating the first carrier; And a recording signal means derived from said signal mixing means on an acoustic tape recording track. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890008091A 1988-06-15 1989-06-13 Transmission and Recording Device of Video Signal KR910002286A (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP63147346A JP2906412B2 (en) 1988-06-15 1988-06-15 Transmission method of image data
JP14734788A JP2913642B2 (en) 1988-06-15 1988-06-15 Transmission method of image data
JP147347 1988-06-15
JP147346 1988-06-15
JP289524 1988-11-16
JP63289524A JPH02134787A (en) 1988-11-16 1988-11-16 Recorder
JP293219 1988-11-18
JP63293219A JPH02137593A (en) 1988-11-18 1988-11-18 Transmitting and recording device and reproducing device for picture signal

Publications (1)

Publication Number Publication Date
KR910002286A true KR910002286A (en) 1991-01-31

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Application Number Title Priority Date Filing Date
KR1019890008091A KR910002286A (en) 1988-06-15 1989-06-13 Transmission and Recording Device of Video Signal

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KR (1) KR910002286A (en)
DE (1) DE3919302A1 (en)
FR (1) FR2633131A1 (en)
GB (1) GB2219906A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532820A (en) * 1990-08-17 1996-07-02 Samsung Electronics Co., Ltd. Digital modulators for use with sub-nyquist sampling of raster-scanned samples of image intensity
DE4426935A1 (en) * 1994-07-29 1996-02-01 Rohde & Schwarz Digital residual sideband modulator for video signals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676204A (en) * 1952-02-14 1954-04-20 Nederlanden Staat Pulse demodulating circuit
US3588330A (en) * 1967-12-21 1971-06-28 John H Clark Facsimile signal modification reducing the information channel bandwidth
US3517117A (en) * 1968-01-24 1970-06-23 Southern Pacific Transport Co Bandwidth reduction coding technique
US3538246A (en) * 1968-05-22 1970-11-03 Southern Pacific Transport Co Bandwidth reduction technique for analog signals
US3761610A (en) * 1971-02-16 1973-09-25 Graphics Sciences Inc High speed fascimile systems
DE2236882A1 (en) * 1971-07-29 1973-02-15 Fuji Xerox Co Ltd CIRCUIT FOR REDUCING THE BANDWIDTH OF AN INFORMATION SIGNAL
NL168099C (en) * 1974-09-12 1982-02-16 Philips Nv MODULATION AND FILTER DEVICE FOR DIGITAL SIGNALS.
US4003003A (en) * 1975-11-18 1977-01-11 Haeberlin Allen L Multichannel digital synthesizer and modulator
GB2101846B (en) * 1981-06-11 1985-06-12 Racal Vadic Inc Switch capacitor modulator
EP0078857B1 (en) * 1981-11-05 1986-04-30 Hewlett-Packard Company Digital amplitude modulating circuitry
US4504803A (en) * 1982-06-28 1985-03-12 Gte Lenkurt, Incorporated Switched capacitor AM modulator/demodulator
CA1214277A (en) * 1982-12-07 1986-11-18 Josef Dirr Method for the transmission of information, in which the signals are coded by way of the magnitude of the amplitudes of the half-waves or periods of a sinus- wave alternating current

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DE3919302A1 (en) 1989-12-21
GB8912862D0 (en) 1989-07-26
FR2633131A1 (en) 1989-12-22
GB2219906A (en) 1989-12-20

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