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:
Feb. 15, 1983
Filed:
Sep. 29, 1980
Applicant:
Inventors:
Jacques Hemery, Caen, FR;
Bernard P Roger, Carpiquet, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
330298 ; 330307 ;
Abstract
A Darlington amplifier comprising an auxiliary transistor (16) for overload protection. The base of the auxiliary transistor is connected to a tapping (17) provided on a resistor (12) included between the emitter and base of the output transistor (11) of the amplifier, which resistor assists in biassing said auxiliary transistor.