FR2259504B1 - - Google Patents

Info

Publication number
FR2259504B1
FR2259504B1 FR7502581A FR7502581A FR2259504B1 FR 2259504 B1 FR2259504 B1 FR 2259504B1 FR 7502581 A FR7502581 A FR 7502581A FR 7502581 A FR7502581 A FR 7502581A FR 2259504 B1 FR2259504 B1 FR 2259504B1
Authority
FR
France
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
FR7502581A
Other versions
FR2259504A1 (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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority claimed from JP1189174A external-priority patent/JPS50107817A/ja
Priority claimed from JP1299574A external-priority patent/JPS50108824A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2259504A1 publication Critical patent/FR2259504A1/fr
Application granted granted Critical
Publication of FR2259504B1 publication Critical patent/FR2259504B1/fr
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
    • H04N9/643—Hue control means, e.g. flesh tone control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
FR7502581A 1974-01-30 1975-01-28 Expired FR2259504B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1189174A JPS50107817A (fr) 1974-01-30 1974-01-30
JP1299574A JPS50108824A (fr) 1974-01-31 1974-01-31

Publications (2)

Publication Number Publication Date
FR2259504A1 FR2259504A1 (fr) 1975-08-22
FR2259504B1 true FR2259504B1 (fr) 1979-10-19

Family

ID=26347412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502581A Expired FR2259504B1 (fr) 1974-01-30 1975-01-28

Country Status (4)

Country Link
US (1) US4021843A (fr)
DE (1) DE2503620C3 (fr)
FR (1) FR2259504B1 (fr)
GB (1) GB1496082A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6894720B2 (en) * 2001-08-30 2005-05-17 Hewlett-Packard Development Company, L.P. Method and apparatus for applying tone mapping functions to color images

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6400526A (fr) * 1964-01-24 1965-07-26
US3639685A (en) * 1968-10-07 1972-02-01 Sony Corp Signal supplying circuit for a color picture tube
JPS5125697B1 (fr) * 1969-11-15 1976-08-02
US3617621A (en) * 1970-03-17 1971-11-02 Rca Corp Color compensating circuits
US3612754A (en) * 1970-05-11 1971-10-12 Rca Corp Color temperature control circuits
US3737562A (en) * 1971-03-18 1973-06-05 Warwick Electronics Inc Television drive control circuit
US3812524A (en) * 1971-05-05 1974-05-21 Motorola Inc Preset control system for a color television receiver
US3749825A (en) * 1971-12-16 1973-07-31 Zenith Radio Corp Automatic hue control circuit
US3783186A (en) * 1972-05-15 1974-01-01 Motorola Inc Automatic hue control and method
US3843958A (en) * 1973-03-26 1974-10-22 Warwick Electronics Inc Hue correction for a chroma channel
US3864723A (en) * 1973-06-13 1975-02-04 Matsushita Electric Corp System for processing chrominance signals

Also Published As

Publication number Publication date
GB1496082A (en) 1977-12-21
FR2259504A1 (fr) 1975-08-22
DE2503620C3 (de) 1978-11-09
DE2503620B2 (fr) 1978-03-16
DE2503620A1 (de) 1975-08-07
US4021843A (en) 1977-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse