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:
Dec. 21, 1999
Filed:
Mar. 10, 1997
Yoshihiro Shona, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A call-unit count device according to the present invention comprises a memory circuit having a high-order level and a low-order level composed of n (n: integer greater than or equal to 2) bits and wherein all the bits each indicative of the initial value and placed in the low-order level are changed to reversed values bit by bit each time a one call-unit add command is given, all the bits in the low-order level, which have been brought to the reversed values, are returned to the initial value bit by bit each time the one call-unit add command is given, and values stored in the high-order level are changed upon a carry from the low-order level to the high-order level.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile