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:
Apr. 01, 1986
Filed:
Oct. 25, 1983
Takaaki Yamamoto, Tokyo, JP;
Sansui Electric Co., Ltd., Tokyo, JP;
Abstract
In a read clock producing system for generating a read clock signal which is used for extracting a digital information portion of a digital coded signal, the system comprises means for delaying a pulse obtained by comparing data with a certain threshold level, means for generating a clock pulse having a pulse width proportional to the delay, said generating means including a frequency division circuit, flip-flop and EOR means for comparing the pulse width with a predetermined pulse width, a differential amplifier for comparing the data with a second threshold level adapted to change in accordance with the above comparison, and the control means for controlling the delay by the use of an output from said comparison.