GB1496082A - Colour tone control device in colour television receiver - Google Patents

Colour tone control device in colour television receiver

Info

Publication number
GB1496082A
GB1496082A GB3958/75A GB395875A GB1496082A GB 1496082 A GB1496082 A GB 1496082A GB 3958/75 A GB3958/75 A GB 3958/75A GB 395875 A GB395875 A GB 395875A GB 1496082 A GB1496082 A GB 1496082A
Authority
GB
United Kingdom
Prior art keywords
colour
amplifiers
jan
switches
variable resistors
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
GB3958/75A
Other languages
English (en)
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 GB1496082A publication Critical patent/GB1496082A/en
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)
GB3958/75A 1974-01-30 1975-01-29 Colour tone control device in colour television receiver Expired GB1496082A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1189174A JPS50107817A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-30 1974-01-30
JP1299574A JPS50108824A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-31 1974-01-31

Publications (1)

Publication Number Publication Date
GB1496082A true GB1496082A (en) 1977-12-21

Family

ID=26347412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3958/75A Expired GB1496082A (en) 1974-01-30 1975-01-29 Colour tone control device in colour television receiver

Country Status (4)

Country Link
US (1) US4021843A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2503620C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2259504B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1496082A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
DE2503620A1 (de) 1975-08-07
US4021843A (en) 1977-05-03
FR2259504A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-08-22
DE2503620C3 (de) 1978-11-09
FR2259504B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-10-19
DE2503620B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-03-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee