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:
Jul. 27, 1982
Filed:
Sep. 29, 1980
Applicant:
Inventors:
Assignee:
U.S. Philips Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
323311 ; 179 / ; 179 / ; 323225 ;
Abstract
Voltage stabilizer for use in a telephone set which in order to obtain a low direct current resistance and a high alternating current impedance comprises two series-arranged transistor circuits connected between two terminals and a voltage divider connected between the terminals, the bases of the transistor circuits being connected to the terminals and the base of the upper transistor circuit of a capacitor being connected to the terminal to which the emitter of the lower transistor circuit has been coupled.
Geboers, Josephus. (1982). Voltage stabilizer suitable for a telephone set (U.S. Patent No. 4341991). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4341991
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile