JPH056391B2 - - Google Patents

Info

Publication number
JPH056391B2
JPH056391B2 JP58000861A JP86183A JPH056391B2 JP H056391 B2 JPH056391 B2 JP H056391B2 JP 58000861 A JP58000861 A JP 58000861A JP 86183 A JP86183 A JP 86183A JP H056391 B2 JPH056391 B2 JP H056391B2
Authority
JP
Japan
Prior art keywords
transistor
diodes
current
constant current
circuit
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 - Lifetime
Application number
JP58000861A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59126374A (ja
Inventor
Joichi Sato
Takashi Shiono
Tsutomu Niimura
Toshiaki Isogawa
Mitsuru Sato
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP58000861A priority Critical patent/JPS59126374A/ja
Priority to US06/568,258 priority patent/US4589021A/en
Priority to CA000444632A priority patent/CA1204853A/en
Priority to AT84300082T priority patent/ATE29094T1/de
Priority to EP84300082A priority patent/EP0116398B1/en
Priority to DE8484300082T priority patent/DE3465563D1/de
Publication of JPS59126374A publication Critical patent/JPS59126374A/ja
Publication of JPH056391B2 publication Critical patent/JPH056391B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
JP58000861A 1983-01-07 1983-01-07 非直線回路 Granted JPS59126374A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP58000861A JPS59126374A (ja) 1983-01-07 1983-01-07 非直線回路
US06/568,258 US4589021A (en) 1983-01-07 1984-01-04 Gamma compensating circuit
CA000444632A CA1204853A (en) 1983-01-07 1984-01-04 Gamma compensating circuit
AT84300082T ATE29094T1 (de) 1983-01-07 1984-01-06 Gamma-kompensationsschaltung.
EP84300082A EP0116398B1 (en) 1983-01-07 1984-01-06 Gamma compensating circuit
DE8484300082T DE3465563D1 (en) 1983-01-07 1984-01-06 Gamma compensating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58000861A JPS59126374A (ja) 1983-01-07 1983-01-07 非直線回路

Publications (2)

Publication Number Publication Date
JPS59126374A JPS59126374A (ja) 1984-07-20
JPH056391B2 true JPH056391B2 (en]) 1993-01-26

Family

ID=11485443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58000861A Granted JPS59126374A (ja) 1983-01-07 1983-01-07 非直線回路

Country Status (1)

Country Link
JP (1) JPS59126374A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0235862B1 (en) * 1986-03-07 1991-11-06 Koninklijke Philips Electronics N.V. Gamma correction circuit

Also Published As

Publication number Publication date
JPS59126374A (ja) 1984-07-20

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