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:
Sep. 22, 1992
Filed:
Jun. 21, 1989
Applicant:
Inventors:
Itsuo Takanashi, Kamakura, JP;
Shintaro Nakagaki, Fujisawa, JP;
Tsutou Asakura, Yokohama, JP;
Masato Furuya, Yokosuka, JP;
Hirohiko Shinonaga, Yokohama, JP;
Hiromichi Tai, Yokosuka, JP;
Assignee:
Victor Company of Japan, Ltd., Yokohama, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; H04N / ; H04N / ; H04N / ;
U.S. Cl.
CPC ...
358471 ; 358 75 ; 358909 ; 358 49 ; 358 55 ; 35821313 ; 358225 ; 365108 ; 365112 ;
Abstract
A image pickup device having a rewritable recording member on which optical patterns are repeatedly recorded as electrostatic images using a writing head with an electric potential applied between the head and recording member. Each image recorded on the recording member is erased prior to recording a subsequent image by application of an alternating voltage or an electric potential of opposite polarity between the writing head and recording member.