DK0482945T3 - Undertrykkelse og genfremhævelse af høje frekvenser i et videosignal - Google Patents

Undertrykkelse og genfremhævelse af høje frekvenser i et videosignal

Info

Publication number: DK0482945T3
Authority: DK; Denmark
Prior art keywords: luminance signal; circuit; level; high frequency; frequency portion
Prior art date: 1990-10-26

Application number

DK91309887.7T

Other languages

English (en)

Inventor

Christopher H Strolle

Werner F Wedam

Original Assignee

Samsung Electronics Co Ltd

Priority date (The priority date 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 date listed.)

1990-10-26

Filing date

1991-10-25

Publication date

1996-06-24

1991-10-25 Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd

1996-06-24 Application granted granted Critical

1996-06-24 Publication of DK0482945T3 publication Critical patent/DK0482945T3/da

Classifications

- 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
- G11B20/02—Analogue recording or reproducing
- 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
- H04N9/7976—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 by spectrum folding of the high frequency components of the luminance 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
- H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
- 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
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal

Landscapes

Signal Processing (AREA)
Engineering & Computer Science (AREA)
Multimedia (AREA)
Television Signal Processing For Recording (AREA)
Picture Signal Circuits (AREA)
Semiconductor Lasers (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)
Processing Of Color Television Signals (AREA)
Holo Graphy (AREA)
Developing Agents For Electrophotography (AREA)
Television Systems (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Details Of Television Scanning (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

DK91309887.7T 1990-10-26 1991-10-25 Undertrykkelse og genfremhævelse af høje frekvenser i et videosignal DK0482945T3 (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US60449390A	1990-10-26	1990-10-26

Publications (1)

Publication Number	Publication Date
DK0482945T3 true DK0482945T3 (da)	1996-06-24

Family

ID=24419822

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK91309887.7T DK0482945T3 (da)	1990-10-26	1991-10-25	Undertrykkelse og genfremhævelse af høje frekvenser i et videosignal

Country Status (11)

Country	Link
EP (2)	EP0698997B1 (da)
JP (1)	JP2672422B2 (da)
KR (1)	KR940001422B1 (da)
CN (1)	CN1030956C (da)
AT (2)	ATE138522T1 (da)
CA (1)	CA2053966C (da)
DE (3)	DE9117171U1 (da)
DK (1)	DK0482945T3 (da)
ES (1)	ES2089150T3 (da)
PT (1)	PT99332A (da)
TW (1)	TW242212B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR930010356B1 (ko) *	1991-06-27	1993-10-16	삼성전자 주식회사	동적응재생회로

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1230467B (de) *	1960-12-19	1966-12-15	Minnesota Mining & Mfg	Einrichtung zur Verbesserung des Verhaeltnisses von Signalspannung zu Rauschspannung bei der UEbertragung oder magnetischen Speicherung von elektrischen Signalen
JPS5551938A (en) *	1978-10-06	1980-04-16	Nissan Motor Co Ltd	Exhaust gas refluxing device for internal combustion engine
JPS55117712A (en) *	1979-02-28	1980-09-10	Matsushita Electric Ind Co Ltd	Noise reduction circuit of video signal recording and reproducing device
JPS60152646A (ja) *	1984-01-23	1985-08-10	Kobe Steel Ltd	半導体用リ−ドフレ−ム材
JPS6236991A (ja) *	1985-08-12	1987-02-17	Hitachi Ltd	クリツプ補償回路
US4831463A (en) *	1987-01-30	1989-05-16	Faroudja Y C	Video processing in which high frequency luminance components are folded into a mid-band spectrum

1991
- 1991-02-28 KR KR1019910003385A patent/KR940001422B1/ko not_active Expired - Fee Related
- 1991-10-05 TW TW080107866A patent/TW242212B/zh active
- 1991-10-18 JP JP3271021A patent/JP2672422B2/ja not_active Expired - Fee Related
- 1991-10-22 CA CA002053966A patent/CA2053966C/en not_active Expired - Fee Related
- 1991-10-25 DK DK91309887.7T patent/DK0482945T3/da active
- 1991-10-25 PT PT99332A patent/PT99332A/pt not_active Application Discontinuation
- 1991-10-25 ES ES91309887T patent/ES2089150T3/es not_active Expired - Lifetime
- 1991-10-25 DE DE9117171U patent/DE9117171U1/de not_active Expired - Lifetime
- 1991-10-25 DE DE69119693T patent/DE69119693T2/de not_active Expired - Fee Related
- 1991-10-25 EP EP95116314A patent/EP0698997B1/en not_active Expired - Lifetime
- 1991-10-25 AT AT91309887T patent/ATE138522T1/de not_active IP Right Cessation
- 1991-10-25 AT AT95116314T patent/ATE192888T1/de not_active IP Right Cessation
- 1991-10-25 DE DE69132194T patent/DE69132194T2/de not_active Expired - Lifetime
- 1991-10-25 EP EP91309887A patent/EP0482945B1/en not_active Expired - Lifetime
- 1991-10-26 CN CN91108373A patent/CN1030956C/zh not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE69119693T2 (de)	1996-11-28
CA2053966A1 (en)	1992-04-27
EP0482945A3 (en)	1993-03-03
CN1030956C (zh)	1996-02-07
KR920017069A (ko)	1992-09-26
PT99332A (pt)	1993-12-31
ES2089150T3 (es)	1996-10-01
ATE192888T1 (de)	2000-05-15
ATE138522T1 (de)	1996-06-15
EP0698997B1 (en)	2000-05-10
DE9117171U1 (de)	1996-09-12
EP0482945A2 (en)	1992-04-29
JPH04284788A (ja)	1992-10-09
DE69132194T2 (de)	2000-10-05
CN1061125A (zh)	1992-05-13
DE69119693D1 (de)	1996-06-27
EP0482945B1 (en)	1996-05-22
CA2053966C (en)	1997-04-22
KR940001422B1 (ko)	1994-02-23
JP2672422B2 (ja)	1997-11-05
EP0698997A2 (en)	1996-02-28
TW242212B (da)	1995-03-01
EP0698997A3 (da)	1996-03-13
DE69132194D1 (de)	2000-06-15

Publication	Publication Date	Title
EP0485234A3 (en)	1993-03-17	Information recording and reproducing device
DK0696143T3 (da)	2002-03-11	Systemer til optagelse og gengivelse af videosignaler
JPS57140085A (en)	1982-08-30	Audio signal recording and reproducing circuit
ATE186439T1 (de)	1999-11-15	Aufzeichnung und wiedergabe eines trick-modus- signals
DK0482945T3 (da)	1996-06-24	Undertrykkelse og genfremhævelse af høje frekvenser i et videosignal
MY110996A (en)	1999-07-31	Video signal reproduction or record/ reproduction apparatus
KR920015272A (ko)	1992-08-26	자기기록 재생장치
JPS5756844A (en)	1982-04-05	Television picture photoengraving and photographing device
EP0310418A3 (en)	1991-09-18	Magnetic recording and reproducing apparatus
EP0291954A3 (en)	1991-07-31	Apparatus for reproducing video signals
SU1755323A1 (ru)	1992-08-15	Устройство автоматического поиска фонограмм
KR900005135Y1 (ko)	1990-06-09	브이씨알의 자동 더빙장치
JPH0142858Y2 (da)	1989-12-13
KR900008894Y1 (ko)	1990-09-29	영상신호 기록재생장치의 오디오 신호 뮤팅회로
JPS6470901A (en)	1989-03-16	Magnetic recording method for digital signal
JPS6460167A (en)	1989-03-07	Recording and reproducing device
JPS563412A (en)	1981-01-14	Picture recorder/reproducer
JPS56160179A (en)	1981-12-09	Recorder and reproducer of voice signal
JPS6423693A (en)	1989-01-26	Picture quality adjusting device for vtr
JPS6427003A (en)	1989-01-30	Reproducing device for found signal
JPS6482777A (en)	1989-03-28	Magnetic recording and reproducing device
JPS6423692A (en)	1989-01-26	Picture quality adjusting device for vtr
JPS56104589A (en)	1981-08-20	Still picture recording and reproducing device
KR960025330A (ko)	1996-07-20	영상 및 음성 기록/재생 장치
JPS5779779A (en)	1982-05-19	Audio signal recording and reproducing system