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. 20, 1986
Filed:
Mar. 05, 1985
Tatsuo Tanaka, Yokohama, JP;
Kabushiki Kaisha Toshiba, , JP;
Abstract
A differential amplifier includes first and second current sources, first and second pnp transistors having bases connected to first and second input terminals and emitters connected to the first current source, an npn transistor having a base, collector and emitter respectively connected to the collector of the first pnp transistor, the first current source and a ground terminal, and an npn transistor having a base, collector and emitter respectively connected to the collector of the second pnp transistor, the second current source and the ground terminal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile