GB2281673B - Tone control - Google Patents

Tone control

Info

Publication number
GB2281673B
GB2281673B GB9318304A GB9318304A GB2281673B GB 2281673 B GB2281673 B GB 2281673B GB 9318304 A GB9318304 A GB 9318304A GB 9318304 A GB9318304 A GB 9318304A GB 2281673 B GB2281673 B GB 2281673B
Authority
GB
United Kingdom
Prior art keywords
tone control
tone
control
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 - Fee Related
Application number
GB9318304A
Other versions
GB2281673A (en
GB9318304D0 (en
Inventor
Deryk Beard
Peter John Neilson
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.)
I C G Ltd
ICG Ltd
Itek Colour Graphics Ltd
Original Assignee
I C G Ltd
ICG Ltd
Itek Colour Graphics 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
Application filed by I C G Ltd, ICG Ltd, Itek Colour Graphics Ltd filed Critical I C G Ltd
Priority to GB9318304A priority Critical patent/GB2281673B/en
Publication of GB9318304D0 publication Critical patent/GB9318304D0/en
Publication of GB2281673A publication Critical patent/GB2281673A/en
Application granted granted Critical
Publication of GB2281673B publication Critical patent/GB2281673B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
GB9318304A 1993-09-03 1993-09-03 Tone control Expired - Fee Related GB2281673B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9318304A GB2281673B (en) 1993-09-03 1993-09-03 Tone control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9318304A GB2281673B (en) 1993-09-03 1993-09-03 Tone control

Publications (3)

Publication Number Publication Date
GB9318304D0 GB9318304D0 (en) 1993-10-20
GB2281673A GB2281673A (en) 1995-03-08
GB2281673B true GB2281673B (en) 1998-03-25

Family

ID=10741468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9318304A Expired - Fee Related GB2281673B (en) 1993-09-03 1993-09-03 Tone control

Country Status (1)

Country Link
GB (1) GB2281673B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6771839B2 (en) * 2001-02-20 2004-08-03 Sharp Laboratories Of America, Inc. Efficient method of computing gamma correction tables

Also Published As

Publication number Publication date
GB2281673A (en) 1995-03-08
GB9318304D0 (en) 1993-10-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee
728V Application for restoration filed (sect. 28/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070903