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:
May. 17, 1994
Filed:
Jun. 16, 1993
Teruo Hieda, Kawasaki, JP;
Hidetoshi Wada, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A delay apparatus comprises one or a plurality of shift registers, a plurality of signal accumulating capacitors which are mutually coupled by transfer transistors, a plurality of write switches each of which is arranged between an input terminal and either one of the capacitors and which are controlled by outputs of the shift registers, and a plurality of read switches which are arranged between the plurality of capacitors and an output terminal and are controlled by the outputs of the shift registers, wherein the signal charges accumulated in the one capacitor are capacitively divided into other capacitors through the transfer transistors for transferring the signal charges.