Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1983-03-14
1984-12-04
Chin, Tommy P.
Facsimile and static presentation processing
Static presentation processing
Attribute control
H04N 9535
Patent
active
044867719
ABSTRACT:
An automatic white adjusting circuit for a television camera in which a rough adjustment is first performed with an adjustment quantity of large steps, and fine adjustment is secondly performed with an adjustment quantity of small steps, upon automatic adjustment of the white by performing such operations as directing the television camera towards a white surface. According to the automatic white adjusting circuit of the present invention, the adjusting accuracy of the white balance can be improved, and the white adjustment can be performed automatically within a short period of time.
REFERENCES:
patent: 3670100 (1972-06-01), Briggs
patent: 4249197 (1981-02-01), Van Spaandonk
patent: 4274107 (1981-06-01), Tamura
patent: 4368482 (1983-01-01), Machida et al.
patent: 4381520 (1983-04-01), Machida et al.
Ikemura Yuichi
Machida Toyotaka
Noda Teruaki
Chin Tommy P.
Victor Company of Japan Ltd.
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