DE2529967C3 - Schaltungsanordnung zur Verbesserung der Detailwiedergabeschärfe von Videosignalen - Google Patents

Schaltungsanordnung zur Verbesserung der Detailwiedergabeschärfe von Videosignalen

Info

Publication number
DE2529967C3
DE2529967C3 DE2529967A DE2529967A DE2529967C3 DE 2529967 C3 DE2529967 C3 DE 2529967C3 DE 2529967 A DE2529967 A DE 2529967A DE 2529967 A DE2529967 A DE 2529967A DE 2529967 C3 DE2529967 C3 DE 2529967C3
Authority
DE
Germany
Prior art keywords
signal
circuit
signals
amplitude
delay
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.)
Expired
Application number
DE2529967A
Other languages
German (de)
English (en)
Other versions
DE2529967A1 (de
DE2529967B2 (de
Inventor
Joseph Peter Princeton Junction N.J. Bingham (V.St.A.)
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 Licensing 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.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of DE2529967A1 publication Critical patent/DE2529967A1/de
Publication of DE2529967B2 publication Critical patent/DE2529967B2/de
Application granted granted Critical
Publication of DE2529967C3 publication Critical patent/DE2529967C3/de
Expired legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
DE2529967A 1974-07-05 1975-07-04 Schaltungsanordnung zur Verbesserung der Detailwiedergabeschärfe von Videosignalen Expired DE2529967C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48624174A 1974-07-05 1974-07-05
US05/553,642 US4041531A (en) 1974-07-05 1975-02-27 Television signal processing apparatus including a transversal equalizer

Publications (3)

Publication Number Publication Date
DE2529967A1 DE2529967A1 (de) 1976-01-22
DE2529967B2 DE2529967B2 (de) 1979-03-15
DE2529967C3 true DE2529967C3 (de) 1979-10-31

Family

ID=27048621

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2529967A Expired DE2529967C3 (de) 1974-07-05 1975-07-04 Schaltungsanordnung zur Verbesserung der Detailwiedergabeschärfe von Videosignalen

Country Status (20)

Country Link
US (1) US4041531A (US07494231-20090224-C00006.png)
JP (1) JPS5547794B2 (US07494231-20090224-C00006.png)
AR (1) AR209305A1 (US07494231-20090224-C00006.png)
AT (1) AT373114B (US07494231-20090224-C00006.png)
BR (1) BR7504034A (US07494231-20090224-C00006.png)
CA (1) CA1055148A (US07494231-20090224-C00006.png)
DD (1) DD121243A5 (US07494231-20090224-C00006.png)
DE (1) DE2529967C3 (US07494231-20090224-C00006.png)
ES (1) ES439173A1 (US07494231-20090224-C00006.png)
FI (1) FI63145C (US07494231-20090224-C00006.png)
FR (1) FR2277483A1 (US07494231-20090224-C00006.png)
GB (1) GB1510504A (US07494231-20090224-C00006.png)
IT (1) IT1038517B (US07494231-20090224-C00006.png)
MX (1) MX2964E (US07494231-20090224-C00006.png)
NL (1) NL7508011A (US07494231-20090224-C00006.png)
NZ (1) NZ178025A (US07494231-20090224-C00006.png)
PL (1) PL108984B1 (US07494231-20090224-C00006.png)
SE (1) SE403872B (US07494231-20090224-C00006.png)
TR (1) TR18561A (US07494231-20090224-C00006.png)
YU (1) YU37423B (US07494231-20090224-C00006.png)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531418A (en) * 1976-06-26 1978-01-09 Hitachi Ltd Brightness signal circuit for television receivers
JPS5327321A (en) * 1976-08-26 1978-03-14 Hitachi Ltd Picture quality adjusting un it in television receivers
JPS5330819A (en) * 1976-09-03 1978-03-23 Hitachi Ltd Picture-quality adjusting device of television receiver set
NL7714398A (nl) * 1977-12-27 1979-06-29 Philips Nv Schakeling voor het in hoofdzaak nabij een referentieniveau vergroten van een signaal- helling van een periodiek optredend signaal.
US4215414A (en) * 1978-03-07 1980-07-29 Hughes Aircraft Company Pseudogaussian video output processing for digital display
US4316215A (en) * 1979-09-26 1982-02-16 Matsushita Electric Industrial Co., Ltd. System for improving reproduction of images in a color television receiver
US4466016A (en) * 1981-05-27 1984-08-14 Rca Corporation Television signal filtering system
US4384306A (en) * 1981-06-22 1983-05-17 Rca Corporation Variable peaking control circuit
US4524423A (en) * 1981-11-06 1985-06-18 Rca Corporation Digital signal separation filters
DE3268445D1 (en) * 1982-10-09 1986-02-20 Itt Ind Gmbh Deutsche Integrated digital filter circuit for the luminance channel of colour television sets
CA1219338A (en) * 1983-07-27 1987-03-17 Rca Corporation Signal processing circuit
US4571620A (en) * 1983-11-04 1986-02-18 Rca Corporation Luminance peaking filter for use in digital video signal processing systems
US4603353A (en) * 1984-01-19 1986-07-29 Rca Corporation Luminance peaking filter for use in digital video signal processing systems
JPH0628392B2 (ja) * 1984-08-09 1994-04-13 日本放送協会 テレビジヨンカメラビユ−フアインダ−
KR900003267B1 (ko) * 1984-10-06 1990-05-12 니뽕 빅터 가부시끼가이샤 칼라 촬상 장치
JPH0636587B2 (ja) * 1986-09-02 1994-05-11 日本放送協会 油膜制御方式投写型映像デイスプレイ
EP0278012A1 (de) * 1987-02-06 1988-08-17 Deutsche ITT Industries GmbH Steuerschaltung fur eine Speicheranordnung
US4994915A (en) * 1988-05-18 1991-02-19 Hitachi, Ltd. Aperture correction circuit
JPH03121693A (ja) * 1989-10-04 1991-05-23 Sony Corp 色信号エンハンサ
US5369446A (en) * 1992-04-30 1994-11-29 Thomson Consumer Electronics, Inc. Video signal processor employing edge replacement, preshoots and overshoots for transient enhancement
JP3076810B2 (ja) * 1994-01-20 2000-08-14 モトローラ株式会社 垂直輪郭補正回路
JPH07226956A (ja) * 1994-02-09 1995-08-22 Nippon Motorola Ltd 輝度信号色信号分離回路
US5543859A (en) * 1994-04-15 1996-08-06 Matsushita Electric Industrial Co., Ltd. Horizontal contour emphasizing signal processor
US6480241B1 (en) 1996-08-27 2002-11-12 Gordon J. Gow Technologies, Inc. S-video signal loss compensation processing apparatus and method
US5937330A (en) * 1997-02-18 1999-08-10 General Instrument Corporation Settop terminal controlled return path filter for minimizing noise ingress on bidirectional cable systems
JP2000078438A (ja) * 1998-08-28 2000-03-14 Alps Electric Co Ltd 画像表示装置
EP1344394A2 (en) * 2000-11-13 2003-09-17 Koninklijke Philips Electronics N.V. Detection and correction of asymmetric transient signals
US8184203B1 (en) 2009-07-07 2012-05-22 The Yves Faroudja Project Video enhancement with separate and distinct methods of enhancement for single transitions and double transitions of opposite polarity

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2263376A (en) * 1938-06-28 1941-11-18 Emi Ltd Electric wave filter or the like
US2759044A (en) * 1950-11-24 1956-08-14 Bell Telephone Labor Inc Beam aperature correction in horizontal and vertical direction
US2922965A (en) * 1956-08-09 1960-01-26 Bell Telephone Labor Inc Aperture equalizer and phase correction for television
US3546372A (en) * 1968-04-01 1970-12-08 Rca Corp Vertical and horizontal aperture equalization
NL6900556A (US07494231-20090224-C00006.png) * 1969-01-14 1970-07-16
JPS5141297B1 (US07494231-20090224-C00006.png) * 1969-11-24 1976-11-09
US3643011A (en) * 1970-04-16 1972-02-15 Zenith Radio Corp Luminance signal channel
NL7005645A (US07494231-20090224-C00006.png) * 1970-04-18 1971-10-20
US3749824A (en) * 1970-07-20 1973-07-31 Matsushita Electric Ind Co Ltd Suppression filter for carrier-chrominance signals utilizing a topped delay line
JPS4814113B1 (US07494231-20090224-C00006.png) * 1970-12-11 1973-05-02
US3858240A (en) * 1971-01-11 1974-12-31 Communications Satellite Corp Reduced rate sampling process in pulse code modulation of analog signals
JPS5330187Y2 (US07494231-20090224-C00006.png) * 1971-06-28 1978-07-28
US3752916A (en) * 1971-09-30 1973-08-14 Ellanin Investments Method and apparatus for improving the horizontal sharpness of electronically scanned images
NL158987B (nl) * 1972-06-10 1978-12-15 Philips Nv Apertuurcorrector voor een televisiebeeldsignaal, alsmede televisie-opneeminrichting, daarvan voorzien.
JPS4921805A (US07494231-20090224-C00006.png) * 1972-06-13 1974-02-26
US3849792A (en) * 1973-03-16 1974-11-19 Warwick Electronics Inc Signal translating channel with pre-shoot and over-shoot
US3859544A (en) * 1973-04-11 1975-01-07 Warwick Electronics Inc Active circuit for delaying transient signals in a television receiver

Also Published As

Publication number Publication date
AT373114B (de) 1983-12-27
DE2529967A1 (de) 1976-01-22
DD121243A5 (US07494231-20090224-C00006.png) 1976-07-12
FR2277483B1 (US07494231-20090224-C00006.png) 1982-05-28
YU37423B (en) 1984-08-31
MX2964E (es) 1980-01-08
ES439173A1 (es) 1977-05-16
SE7507289L (sv) 1976-01-07
TR18561A (tr) 1977-03-24
ATA498875A (de) 1983-04-15
US4041531A (en) 1977-08-09
FI63145B (fi) 1982-12-31
NL7508011A (nl) 1976-01-07
GB1510504A (en) 1978-05-10
BR7504034A (pt) 1976-07-06
JPS5547794B2 (US07494231-20090224-C00006.png) 1980-12-02
PL108984B1 (en) 1980-05-31
IT1038517B (it) 1979-11-30
CA1055148A (en) 1979-05-22
FR2277483A1 (fr) 1976-01-30
AU8258575A (en) 1977-01-06
JPS5131126A (US07494231-20090224-C00006.png) 1976-03-17
FI63145C (fi) 1983-04-11
DE2529967B2 (de) 1979-03-15
YU169575A (en) 1983-04-27
FI751910A (US07494231-20090224-C00006.png) 1976-01-06
NZ178025A (en) 1978-03-06
SE403872B (sv) 1978-09-04
AR209305A1 (es) 1977-04-15

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Legal Events

Date Code Title Description
BI Miscellaneous see part 2
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: RCA LICENSING CORP., PRINCETON, N.J., US

8328 Change in the person/name/address of the agent

Free format text: VON BEZOLD, D., DR.RER.NAT. SCHUETZ, P., DIPL.-ING. HEUSLER, W., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN