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:
Nov. 27, 1979
Filed:
Sep. 09, 1977
Applicant:
Inventors:
Takashi Kitamura, Yokohama, JP;
Asao Watanabe, Higashikurume, JP;
Takashi Nakano, Yokohama, JP;
Katsumi Masaki, Kodaira, JP;
Kazuhiro Hirayama, Yokohama, JP;
Yasushi Sato, Kawasaki, JP;
Taisuke Tokiwa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 346160 ; 358300 ;
Abstract
A recording position defining apparatus includes a beam generator for generating a modulated beam in accordance with a signal to be recorded; a beam deflector; a beam detector fixed at a predetermined position; a clock signal generator for generating clock signals of a predetermined frequency; and a record signal applicator for applying a record signal to the beam generator upon detection of a predetermined number of clock signals after the beam is detected by the beam detector.