HK1994A - On-screen display system - Google Patents

On-screen display system Download PDF

Info

Publication number
HK1994A
HK1994A HK19/94A HK1994A HK1994A HK 1994 A HK1994 A HK 1994A HK 19/94 A HK19/94 A HK 19/94A HK 1994 A HK1994 A HK 1994A HK 1994 A HK1994 A HK 1994A
Authority
HK
Hong Kong
Prior art keywords
signal
modifying
tuning
current
graphics
Prior art date
Application number
HK19/94A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ronald Richard Norley
Keming Joseph Chen
Gene Karl Sendelweck
Original Assignee
Rca Thomson Licensing Corporation
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24139620&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1994(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rca Thomson Licensing Corporation filed Critical Rca Thomson Licensing Corporation
Publication of HK1994A publication Critical patent/HK1994A/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Television Receiver Circuits (AREA)
HK19/94A 1983-09-30 1994-01-06 On-screen display system HK1994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/536,712 US4549218A (en) 1983-09-30 1983-09-30 On-screen display

Publications (1)

Publication Number Publication Date
HK1994A true HK1994A (en) 1994-01-14

Family

ID=24139620

Family Applications (1)

Application Number Title Priority Date Filing Date
HK19/94A HK1994A (en) 1983-09-30 1994-01-06 On-screen display system

Country Status (8)

Country Link
US (1) US4549218A (ja)
EP (1) EP0136823B1 (ja)
JP (1) JPH088669B2 (ja)
KR (1) KR920006172B1 (ja)
CA (1) CA1214863A (ja)
DE (1) DE3476502D1 (ja)
HK (1) HK1994A (ja)
SG (1) SG109291G (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068730A (en) * 1989-04-20 1991-11-26 Thomson Consumer Electronics, Inc. Video control circuit
GB8928539D0 (en) * 1989-12-18 1990-02-21 Thomson Consumer Electronics Segmented bar display for a programmable tuner
US5313294A (en) * 1990-03-20 1994-05-17 Rca Thomson Licensing Corporation Beam current limiting arrangement having a peak amplitude, responsive threshold
US5847773A (en) * 1991-08-30 1998-12-08 Thomson Consumer Electronics, Inc. Video system including apparatus for deactivating an automatic control arrangement
US5204748A (en) * 1991-12-11 1993-04-20 Thomson Consumer Electronics, Inc. Beam current limiting arrangement for a television system with picture-in-picture provisions
GB9201837D0 (en) * 1992-01-27 1992-03-11 Philips Electronic Associated Television receiver
KR940002828A (ko) * 1992-07-15 1994-02-19 강진구 자막 색 변환 기능을 가진 영상재생장치
RU2161872C2 (ru) * 1994-05-13 2001-01-10 Александр Александрович Антонов Устройство воспроизведения видеоинформации

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126884A (en) * 1977-05-05 1978-11-21 Rca Corporation Kinescope beam current limiter employing automatic sequential control of image contrast and brightness to limit beam current
JPS53160318U (ja) * 1977-05-20 1978-12-15
US4338623A (en) * 1977-10-11 1982-07-06 U.S. Philips Corporation Video circuit with screen-burn-in protection
US4167025A (en) * 1978-02-09 1979-09-04 Rca Corporation Automatic peak beam current limiter
US4253110A (en) * 1979-12-14 1981-02-24 Rca Corporation Automatic kinescope beam current limiter with sequential control modes
US4295166A (en) * 1980-02-05 1981-10-13 Rca Corporation Failure compensated automatic kinescope beam current limiter
US4366502A (en) * 1981-07-01 1982-12-28 Rca Corporation Bar type channel identification apparatus for a television receiver

Also Published As

Publication number Publication date
EP0136823A2 (en) 1985-04-10
EP0136823B1 (en) 1989-01-25
SG109291G (en) 1993-02-19
KR920006172B1 (ko) 1992-07-31
CA1214863A (en) 1986-12-02
JPS6093887A (ja) 1985-05-25
KR850002372A (ko) 1985-05-10
US4549218A (en) 1985-10-22
JPH088669B2 (ja) 1996-01-29
EP0136823A3 (en) 1985-05-29
DE3476502D1 (en) 1989-03-02

Similar Documents

Publication Publication Date Title
EP0546431B1 (en) Beam current limiting arrangement for a television system with picture-in-picture provisions
EP0136824B2 (en) Automatic contrast reduction circuit for a teletext or monitor operation
EP0199542B1 (en) Multiple scanning type television receivers
HK1005785B (en) Beam current limiting arrangement for a television system with picture-in-picture provisions
CA1127291A (en) Automatic peak beam current limiter
CA1154152A (en) Video signal processing circuit
US4044375A (en) Brightness control apparatus
US3980822A (en) Automatic brightness control circuit
KR100202345B1 (ko) 텔레비젼온-스크린 문자 디스플레이 시스템
EP0136823B1 (en) On-screen display system
CA1171956A (en) Television receiver on-screen alphanumeric display
GB1601305A (en) Average beam current limiter
EP0557852B1 (en) Circuit for generating a beam current indicative signal
US4067048A (en) Automatic beam current limiter
CA1065471A (en) Automatic beam current limiter
JPS63121366A (ja) テレビジヨン受像機
CA1110355A (en) Set-up arrangement for a color television receiver
US4612574A (en) Oscillator-frequency control interface circuit
EP0512332B1 (en) A television system having an ultrablack video signal blanking level for an on-screen character display
US4079424A (en) Automatic transient beam current limiter
JP2712378B2 (ja) テレビジョン受像機
US3968516A (en) Automatic gain control circuit
US4295163A (en) Keying signal generator responsive to plural input signals
US4183049A (en) Tint control signal generator for color television receiver
JPH0119495Y2 (ja)

Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20040830

PE Patent expired