The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 1983
Filed:
May. 04, 1981
Masaharu Tadauchi, Hitachi, JP;
Kenji Kumasaka, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A signal processing apparatus includes an updown counter for storing a maximum value of analog video signals produced from an array of photoelectric converting elements in a form of digital signal, and a distortion memory for storing a distortion characteristic of the analog video signal output from the photoelectric converting element. A reference voltage is produced on the basis of the output voltages from the up-down counter and the distortion memory to be compared with the analog video signal output from the photoelectric converting element array for encoding the analog video signal into a corresponding binary signal. The up-down counter is decremented with a periodical interval.