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:
Jun. 02, 1981
Filed:
Jan. 18, 1979
Applicant:
Inventors:
Takuro Isayama, Tokyo, JP;
Takeshi Takemoto, Yokohama, JP;
Tsutomu Sato, Yokohama, JP;
Takao Fukazawa, Tokyo, JP;
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
307591 ; 3072 / ; 307562 ; 307564 ;
Abstract
An analog delay circuit wherein an analog signal to be delayed as well as a reference voltage signal the voltage level of which is previously known are applied to an analog delay element comprising BBD, CCD or the like, and the reference signal is derived from the output of the analog delay element so that the reference signal or a signal associated therewith may be used for controlling a voltage to be applied to the analog element so as to set a bias voltage thereof.