FR2549994A1 - Dispositif modulateur pour videodisques - Google Patents
Dispositif modulateur pour videodisques Download PDFInfo
- Publication number
- FR2549994A1 FR2549994A1 FR8412093A FR8412093A FR2549994A1 FR 2549994 A1 FR2549994 A1 FR 2549994A1 FR 8412093 A FR8412093 A FR 8412093A FR 8412093 A FR8412093 A FR 8412093A FR 2549994 A1 FR2549994 A1 FR 2549994A1
- Authority
- FR
- France
- Prior art keywords
- signal
- modulator
- video
- frequency
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
-
- 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
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
- H04N5/9202—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a sound signal
- H04N5/9204—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a sound signal using frequency division multiplex
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1983119400U JPS6026604U (ja) | 1983-07-30 | 1983-07-30 | ビデオデイスク変調装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2549994A1 true FR2549994A1 (fr) | 1985-02-01 |
Family
ID=14760553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8412093A Pending FR2549994A1 (fr) | 1983-07-30 | 1984-07-30 | Dispositif modulateur pour videodisques |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS6026604U (enrdf_load_stackoverflow) |
KR (1) | KR890007400Y1 (enrdf_load_stackoverflow) |
FR (1) | FR2549994A1 (enrdf_load_stackoverflow) |
GB (1) | GB2144942B (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2580117B2 (ja) * | 1985-12-18 | 1997-02-12 | ソニー株式会社 | 再生装置における音場拡大装置 |
GB2189963B (en) * | 1986-03-14 | 1989-12-13 | Pioneer Electronic Corp | Video disk and recording and reproduction devices therefore |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4085426A (en) * | 1975-03-04 | 1978-04-18 | Thomson-Brandt | Method for protecting against drop-outs in a sound signal recorded on a video-disc |
JPS5669984A (en) * | 1979-11-10 | 1981-06-11 | Toshiba Corp | Magnetic recording and reproducing device |
EP0061050A1 (de) * | 1981-03-20 | 1982-09-29 | TELEFUNKEN Fernseh und Rundfunk GmbH | Videorecorder zur Aufzeichnung eines mit dem Videosignal frequenzmodulierten Bildträgers |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55135308A (en) * | 1979-04-09 | 1980-10-22 | Mitsubishi Electric Corp | Recording method for information to recording carrier |
JPS5674803A (en) * | 1979-11-20 | 1981-06-20 | Sony Corp | Recording/reproducing method |
-
1983
- 1983-07-30 JP JP1983119400U patent/JPS6026604U/ja active Granted
-
1984
- 1984-07-16 KR KR2019840006829U patent/KR890007400Y1/ko not_active Expired
- 1984-07-27 GB GB08419209A patent/GB2144942B/en not_active Expired
- 1984-07-30 FR FR8412093A patent/FR2549994A1/fr active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4085426A (en) * | 1975-03-04 | 1978-04-18 | Thomson-Brandt | Method for protecting against drop-outs in a sound signal recorded on a video-disc |
JPS5669984A (en) * | 1979-11-10 | 1981-06-11 | Toshiba Corp | Magnetic recording and reproducing device |
EP0061050A1 (de) * | 1981-03-20 | 1982-09-29 | TELEFUNKEN Fernseh und Rundfunk GmbH | Videorecorder zur Aufzeichnung eines mit dem Videosignal frequenzmodulierten Bildträgers |
Non-Patent Citations (3)
Title |
---|
ELECTRONIC COMPONENTS AND APPLICATIONS, vol. 4, no. 3, mai 1982, pages 131-141, Eindhoven, NL; J. MATULL: "ICs for compact disc decoders" * |
IEEE TRANSACTIONS ON BROADCAST AND TELEVISION RECEIVERS, vol. BTR-20, no. 3, août 1974, pages 217-229, IEEE, New York, US; G.C. KENNEY et al.: "Signal processing for a video disc system (VLP)" * |
PATENT ABSTRACTS OF JAPAN; vol. 5, no. 133 (E-71)[805], 25 août 1981; & JP-A-56 69 984 (TOKYO SHIBAURA DENKI K.K.) 11-06-1981 * |
Also Published As
Publication number | Publication date |
---|---|
GB2144942B (en) | 1987-04-29 |
JPH0341323Y2 (enrdf_load_stackoverflow) | 1991-08-30 |
GB8419209D0 (en) | 1984-08-30 |
JPS6026604U (ja) | 1985-02-22 |
KR890007400Y1 (ko) | 1989-10-25 |
KR850008137U (ko) | 1985-10-26 |
GB2144942A (en) | 1985-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0941588B1 (fr) | Procede et dispositif de radiodiffusion mixte analogique et numerique d'emission radiophonique diffusee par un meme emetteur | |
FR2526608A1 (fr) | Appareil de transmission de signaux analogiques et numeriques | |
US4937576A (en) | Dither circuit responsive to zero input signal level | |
BE897704A (fr) | Appareil a signaux analogiques et numeriques | |
FR2508261A1 (fr) | Circuit de reduction de bruit pour signaux video | |
FR2481555A1 (fr) | Circuit de traitement d'un signal video | |
EP0339641A1 (fr) | Procédé et dispositif d'adjonction et de séparation d'un canal numérique à bas débit au canal numérique à haut débit d'une liaison de transmission | |
FR2533787A1 (fr) | Systeme de traitement de signal video | |
FR2549994A1 (fr) | Dispositif modulateur pour videodisques | |
US5047840A (en) | Luminance signal/chrominance signal separating circuit and a noise reduction circuit using a 3 line logical comb filter | |
US5079633A (en) | Video signal processor for removing high frequency noise component | |
US4858024A (en) | Apparatus for reproducing frequency-division multiplexed video FM and digital audio signals | |
US4864404A (en) | Noise reduction circuit of a video signal | |
US4928166A (en) | Apparatus for suppressing noises in a video signal | |
KR0166745B1 (ko) | 누출성분을 제거하는 색신호 처리장치 | |
US4683502A (en) | Video disc type recording and reproducing system with interference reduction filter | |
FR2631191A1 (fr) | Appareil d'enregistrement et de reproduction de signal video | |
GB2353657A (en) | Dual mode video recorder / reproducer | |
JPH0526874Y2 (enrdf_load_stackoverflow) | ||
JPS634753B2 (enrdf_load_stackoverflow) | ||
US6687452B1 (en) | Magnetic recording device | |
JPS60140932A (ja) | プリエンフアシス回路 | |
US5287174A (en) | Vertical resolution correcting circuit for video signal | |
KR0151018B1 (ko) | 화질보상 기능을 갖는 secam방식 비디오 신호의 기록/재생장치 | |
FR2602390A1 (fr) | Dispositif de traitement d'un signal video a enregistrer |