FR2456445B1 - Circuit reglable de traitement non lineaire de signaux video - Google Patents

Circuit reglable de traitement non lineaire de signaux video

Info

Publication number: FR2456445B1
Authority: FR; France
Prior art keywords: video signals; linear processing; adjustable circuit; adjustable; circuit
Prior art date: 1979-05-11
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.): Expired

Application number

FR8010436A

Other languages

English (en)

Other versions

FR2456445A1 (fr

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

RCA Corp

Original Assignee

RCA Corp

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.)

1979-05-11

Filing date

1980-05-09

Publication date

1985-08-09

1980-05-09 Application filed by RCA Corp filed Critical RCA Corp

1980-12-05 Publication of FR2456445A1 publication Critical patent/FR2456445A1/fr

1985-08-09 Application granted granted Critical

1985-08-09 Publication of FR2456445B1 publication Critical patent/FR2456445B1/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Processing Of Color Television Signals (AREA)
Picture Signal Circuits (AREA)

FR8010436A 1979-05-11 1980-05-09 Circuit reglable de traitement non lineaire de signaux video Expired FR2456445B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/038,015 US4245237A (en)	1979-05-11	1979-05-11	Controllable non-linear processing of video signals

Publications (2)

Publication Number	Publication Date
FR2456445A1 FR2456445A1 (fr)	1980-12-05
FR2456445B1 true FR2456445B1 (fr)	1985-08-09

Family

ID=21897616

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8010436A Expired FR2456445B1 (fr)	1979-05-11	1980-05-09	Circuit reglable de traitement non lineaire de signaux video

Country Status (20)

Country	Link
US (1)	US4245237A (fr)
JP (1)	JPS55151870A (fr)
AT (1)	AT382750B (fr)
AU (1)	AU536330B2 (fr)
BE (1)	BE883154A (fr)
CA (1)	CA1140252A (fr)
DE (1)	DE3017909C2 (fr)
DK (1)	DK204580A (fr)
ES (1)	ES8103902A1 (fr)
FI (1)	FI72416C (fr)
FR (1)	FR2456445B1 (fr)
GB (1)	GB2050107B (fr)
HK (1)	HK17187A (fr)
IT (1)	IT1130579B (fr)
MX (1)	MX4928E (fr)
MY (1)	MY8500728A (fr)
NL (1)	NL8002700A (fr)
NZ (1)	NZ193569A (fr)
PT (1)	PT71188A (fr)
SE (1)	SE448334B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5715516U (fr) *	1980-07-02	1982-01-26
US4365266A (en) *	1981-04-20	1982-12-21	Rca Corporation	Horizontal and vertical image detail processing of a color television signal
US4454533A (en) *	1981-11-19	1984-06-12	Rca Corporation	Vertical detail coring circuit to track a gain adjusted signal
JPS58164380U (ja) *	1982-04-23	1983-11-01	日本ビクター株式会社	カラ−テレビジヨン受像機
SE453246B (sv) *	1982-11-26	1988-01-18	Rca Corp	Anordning och sett for bild-till-bildkamfiltrering av en sammansatt televisionssignal
US4573075A (en) *	1983-06-24	1986-02-25	Rca Corporation	Digital signal coring apparatus with controllable coring threshold level
US4616251A (en) *	1983-08-26	1986-10-07	Rca Corporation	Progressive scan television system employing a comb filter
US4558347A (en) *	1983-08-26	1985-12-10	Rca Corporation	Progressive scan television system employing vertical detail enhancement
US4621290A (en) *	1984-04-12	1986-11-04	Rca Corporation	Piecewise linear digital signal processor as for digital video vertical detail processing
US4608594A (en) *	1984-05-25	1986-08-26	Rca Corporation	Television receiver using non-interlaced scanning format with motion compensation
US4583115A (en) *	1984-08-31	1986-04-15	General Electric Company	Circuit for and method of broadband comb filtering a composite video signal which has been double-side band detected
DE3435122A1 (de) *	1984-09-25	1986-04-03	Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover	Farbfernsehuebertragungssystem mit uebertragung von luminanzsignalen und tiefpassgefilterten chrominanzsignalen
US4639763A (en) *	1985-04-30	1987-01-27	Rca Corporation	Interlace to non-interlace scan converter for RGB format video input signals
US4757373A (en) *	1985-11-14	1988-07-12	U.S. Philips Corporation	Amplifier circuit operative with an adaptive signal compression
US4663653A (en) *	1985-11-22	1987-05-05	Rca Corporation	Vertical detail enhancer
DE3629396C2 (de) *	1986-08-29	1993-12-23	Agfa Gevaert Ag	Verfahren zur elektronischen Bildverarbeitung
DE3629409C2 (de) *	1986-08-29	1994-02-17	Agfa Gevaert Ag	Verfahren und Vorrichtung zur Kontrastbewertung bei der elektronischen Bildverarbeitung
GB2203013B (en) *	1987-03-31	1991-03-06	Sony Corp	Aperture correction circuits
US4786963A (en) *	1987-06-26	1988-11-22	Rca Licensing Corporation	Adaptive Y/C separation apparatus for TV signals
US5099154A (en) *	1989-08-25	1992-03-24	Thomson Consumer Electronics, Inc.	Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image
GB2250886B (en) *	1990-12-13	1995-06-14	Rank Cintel Ltd	Noise reduction in video signals
US5194940A (en) *	1991-10-03	1993-03-16	Zenith Electronics Corporation	Frequency multiplexed digital video processor
US8761537B2 (en) *	2011-05-27	2014-06-24	Vixs Systems, Inc.	Adaptive edge enhancement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3277318A (en) *	1964-04-30	1966-10-04	Gen Electric	Gamma correction circuits
US3715477A (en) *	1971-03-11	1973-02-06	Rca Corp	Video signal noise-limiting apparatus
DE2229674C3 (de) *	1972-06-19	1979-02-15	Robert Bosch Gmbh, 7000 Stuttgart	Schaltungsanordnung zur Kontrasterhöhung
US4143397A (en) *	1976-04-19	1979-03-06	Rca Corporation	Comb filter apparatus
US4074321A (en) *	1976-10-12	1978-02-14	The Magnavox Company	Circuit for separating chroma and luminance information in a composite video signal
GB1594823A (en) *	1976-12-17	1981-08-05	Danos M	Electronic picture processor
US4096516A (en) *	1977-03-25	1978-06-20	Rca Corporation	Electronic signal processing apparatus
US4223339A (en) *	1979-05-11	1980-09-16	Rca Corporation	Video image vertical detail restoration and enhancement
US4295160A (en) *	1979-05-11	1981-10-13	Rca Corporation	Signal processing circuit having a non-linear transfer function
US4223340A (en) *	1979-05-11	1980-09-16	Rca Corporation	Image detail improvement in a vertical detail enhancement system
US4245238A (en) *	1979-05-11	1981-01-13	Rca Corporation	Non-linear processing of video image vertical detail information

1979
- 1979-05-11 US US06/038,015 patent/US4245237A/en not_active Expired - Lifetime
1980
- 1980-04-30 NZ NZ193569A patent/NZ193569A/xx unknown
- 1980-04-30 GB GB8014180A patent/GB2050107B/en not_active Expired
- 1980-05-02 FI FI801421A patent/FI72416C/fi not_active IP Right Cessation
- 1980-05-02 AU AU58048/80A patent/AU536330B2/en not_active Ceased
- 1980-05-05 PT PT71188A patent/PT71188A/pt unknown
- 1980-05-05 SE SE8003335A patent/SE448334B/sv not_active IP Right Cessation
- 1980-05-07 BE BE0/200504A patent/BE883154A/fr unknown
- 1980-05-08 JP JP6165080A patent/JPS55151870A/ja active Granted
- 1980-05-08 IT IT8021903A patent/IT1130579B/it active
- 1980-05-09 FR FR8010436A patent/FR2456445B1/fr not_active Expired
- 1980-05-09 MX MX80100882U patent/MX4928E/es unknown
- 1980-05-09 DK DK204580A patent/DK204580A/da not_active Application Discontinuation
- 1980-05-09 ES ES491348A patent/ES8103902A1/es not_active Expired
- 1980-05-09 NL NL8002700A patent/NL8002700A/nl not_active Application Discontinuation
- 1980-05-09 AT AT0250380A patent/AT382750B/de not_active IP Right Cessation
- 1980-05-09 DE DE3017909A patent/DE3017909C2/de not_active Expired
- 1980-05-09 CA CA000351683A patent/CA1140252A/fr not_active Expired
1985
- 1985-12-30 MY MY728/85A patent/MY8500728A/xx unknown
1987
- 1987-02-26 HK HK171/87A patent/HK17187A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA1140252A (fr)	1983-01-25
NL8002700A (nl)	1980-11-13
PT71188A (en)	1980-06-01
US4245237A (en)	1981-01-13
IT8021903A0 (it)	1980-05-08
SE8003335L (sv)	1980-11-12
HK17187A (en)	1987-03-06
DE3017909C2 (de)	1985-02-28
AU536330B2 (en)	1984-05-03
FI72416C (fi)	1987-05-11
FI801421A (fi)	1980-11-12
MX4928E (es)	1983-01-03
DE3017909A1 (de)	1980-11-20
AU5804880A (en)	1980-11-13
AT382750B (de)	1987-04-10
SE448334B (sv)	1987-02-09
NZ193569A (en)	1983-11-30
BE883154A (fr)	1980-09-01
GB2050107A (en)	1980-12-31
GB2050107B (en)	1983-03-09
DK204580A (da)	1980-11-12
ES491348A0 (es)	1981-03-16
ATA250380A (de)	1986-08-15
FR2456445A1 (fr)	1980-12-05
MY8500728A (en)	1985-12-31
ES8103902A1 (es)	1981-03-16
FI72416B (fi)	1987-01-30
JPS55151870A (en)	1980-11-26
JPS6133499B2 (fr)	1986-08-02
IT1130579B (it)	1986-06-18

Publication	Publication Date	Title
FR2456445B1 (fr)	1985-08-09	Circuit reglable de traitement non lineaire de signaux video
IT1093930B (it)	1985-07-26	Apparato per l'elaborazione di segnali elettronici
SE7811222L (sv)	1979-05-03	Krets for behandling av audiosignaler
BE866295A (fr)	1978-08-14	Systeme de traitement de signaux
IT1134038B (it)	1986-07-24	Apparecchiatura di elaborazione di segnali digitali
AT379482B (de)	1986-01-10	Videosignalaufbereitungseinrichtung
NO783653L (no)	1979-05-03	Digitalt signalbearbeidingssystem
FR2424681B1 (fr)	1985-10-31	Circuit de traitement de signal d'image
AT382489B (de)	1987-02-25	Videosignal-verarbeitungskreis
JPS5413313A (en)	1979-01-31	Method of processing digital signal
FR2487546B1 (fr)	1987-12-24	Circuit de traitement de signaux numeriques
IT1095912B (it)	1985-08-17	Circuito di elaborazione di segnali video
FR2464610B1 (fr)	1986-01-17	Systeme de traitement de signaux de television
FR2503509B1 (fr)	1989-07-28	Circuit de traitement de signaux video
AT385162B (de)	1988-02-25	Videosignalverarbeitungssystem
FR2305076A1 (fr)	1976-10-15	Circuit de filtrage en peigne pour traitement de signaux video
FR2316698A1 (fr)	1977-01-28	Procede et dispositif pour le traitement de signaux analogiques
FR2563069B1 (fr)	1989-02-03	Dispositif de traitement lineaire parcellaire de signaux video numeriques
FR2349251A1 (fr)	1977-11-18	Circuit de traitement des signaux de chrominance
AT381820B (de)	1986-12-10	Signalverarbeitungsschaltung fuer videosignale
AT376857B (de)	1985-01-10	Videosignalaufbereitungsschaltung
FR2469847B1 (fr)	1985-12-27	Circuit de traitement d'un signal video
FR2503973B1 (fr)	1989-10-13	Dispositif de traitement de signaux de chrominance
FR2337978A1 (fr)	1977-08-05	Circuit de traitement de signal video
DE3062436D1 (en)	1983-04-28	Circuit for the processing of periodic analogue signals and device using the same

Legal Events

Date	Code	Title	Description
1989-05-19	TP	Transmission of property