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:
Nov. 20, 1990
Filed:
Jul. 28, 1989
Stephane Barbu, Caen, FR;
U.S. Philips Corporation, New York, NY (US);
Abstract
An accelerated switching input circuit includes an emitter coupled logic stage having two transistors. The first transistor receives at its base an input signal and the second transistor receives at its base a control signal generated from the signal at the collector of the first transistor. A third transistor (T.sub.6) has its base connected to the collector of the first transistor (T.sub.3). A first resistor (R.sub.10), a second resistor (R.sub.11) and a third resistor (R.sub.12) are disposed in series between the emitter of the third transistor and a reference voltage (U.sub.REF) source. The point B common to the resistors R.sub.11 and R.sub.12 is coupled to the base of the second transistor (T.sub.4).