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.

Date of Patent:
Dec. 06, 1988

Filed:

Feb. 19, 1985
Applicant:
Inventors:

Hideo Maejima, Hitachi, JP;

Takashi Hotta, Hitachi, JP;

Ikuro Masuda, Hitachi, JP;

Masahiro Iwamura, Hitachi, JP;

Kouzaburou Kurita, Hitachi, JP;

Masahiro Ueno, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364787 ;
Abstract

A carry-look-ahead adder is provided which is implemented as a semiconductor integrated circuit. The integrated circuit includes a bipolar transistor coupled to the output terminal for providing an output indicative of the arithmetic operation. Impedance elements are coupled to the bipolar transistor and at least one FET is provided to control the on/off state of the bipolar transistor.


Find Patent Forward Citations

Maejima, Hideo. (1988). Carry-look-ahead adder including bipolar and mos transistors (U.S. Patent No. 4789958). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4789958

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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