JPS55136782A - White balance detection circuit in color television camara - Google Patents

White balance detection circuit in color television camara

Info

Publication number
JPS55136782A
JPS55136782A JP4461079A JP4461079A JPS55136782A JP S55136782 A JPS55136782 A JP S55136782A JP 4461079 A JP4461079 A JP 4461079A JP 4461079 A JP4461079 A JP 4461079A JP S55136782 A JPS55136782 A JP S55136782A
Authority
JP
Japan
Prior art keywords
white balance
color difference
difference signals
output
display unit
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
Application number
JP4461079A
Other languages
English (en)
Inventor
Masayuki Nomura
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP4461079A priority Critical patent/JPS55136782A/ja
Publication of JPS55136782A publication Critical patent/JPS55136782A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/73Colour balance circuits, e.g. white balance circuits or colour temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Processing Of Color Television Signals (AREA)
JP4461079A 1979-04-11 1979-04-11 White balance detection circuit in color television camara Pending JPS55136782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4461079A JPS55136782A (en) 1979-04-11 1979-04-11 White balance detection circuit in color television camara

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4461079A JPS55136782A (en) 1979-04-11 1979-04-11 White balance detection circuit in color television camara

Publications (1)

Publication Number Publication Date
JPS55136782A true JPS55136782A (en) 1980-10-24

Family

ID=12696205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4461079A Pending JPS55136782A (en) 1979-04-11 1979-04-11 White balance detection circuit in color television camara

Country Status (1)

Country Link
JP (1) JPS55136782A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646161A (en) * 1984-09-11 1987-02-24 Sony Corporation Automatic white balance control circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646161A (en) * 1984-09-11 1987-02-24 Sony Corporation Automatic white balance control circuit

Similar Documents

Publication Publication Date Title
KR930000462B1 (ko) 컬러텔레비젼 수상기
US3558806A (en) Matrixing apparatus
US4484229A (en) Automatic kinescope bias control system with selectively disabled signal processor
FI76231B (fi) Videosignalbehandlingsanordning.
KR870011791A (ko) 텔레비젼 수상기용 명도 제어회로
KR860000094B1 (ko) 위상합성장치
JPS55136782A (en) White balance detection circuit in color television camara
EP0097500A2 (en) A multiple display control apparatus for a television receiver
KR850000990B1 (ko) 제 3 고조파 신호 발생용 전자여파기
US4313130A (en) Keying signal generator with false output immunity
EP0074081A2 (en) Signal processing unit
KR910006855B1 (ko) 신호 샘플링 회로
US4513322A (en) Switching network with suppressed switching transients
US4482921A (en) Level shifter for an automatic kinescope bias sampling system
KR840001001B1 (ko) 색차신호 처리회로
CA1309168C (en) Chroma overload detector using a differential amplifier
US3887938A (en) IC color demodulator with single external picture control
KR910009426B1 (ko) 자동 키네스코프 바이어스 제어장치용 신호처리회로
EP0623271B1 (en) Crt bias compensation
JPS5474626A (en) Reproduction system of chroma signal and its circuit
KR920002002Y1 (ko) 칼라신호 자동 조정회로
KR910007185Y1 (ko) 약전계 및 무신호시 단색 표시회로
KR910010120B1 (ko) 자동 화이트밸런스 경고회로
JPH0434352B2 (ja)
KR970006658B1 (ko) 티브이의 휘도 신호 자동 조절 장치