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:
Jul. 31, 1979
Filed:
Aug. 29, 1977
Isami Ito, Suwa, JP;
Chinon Industries Incorporated, Suwa, JP;
Abstract
A sound cinecamera is provided with a film feeding motor, an electric circuit for sound recording, an operating means, a controlling signal generating circuit for the purpose of generating, by receiving an instruction signal generated from said operating means, a sound record controlling signal during the time of film reverse-winding for overlap recording and reducing said controlling signal according to a predetermined time constant at the time of starting the film feeding operation again, a sound recoding signal control circuit for the purpose of controlling the level of recording signal in said sound recording circuit by receiving said controlling signal from said controlling signal generating circuit, and an AC biasing control circuit for the purpose of controlling the level of the AC biasing signal to said sound recording circuit by receiving said controlling signal from said controlling signal generating circuit.