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. 12, 1991
Filed:
Nov. 29, 1988
Ryoji Takeuchi, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A power amplifying apparatus for amplifying an input signal to drive a load, includes an amplifier for amplifying the input signal so as to generate an output signal for driving the load and a current/voltage converter for current/voltage converting the output signal generated by the amplifier and feeding back the converted voltage to the amplifier. The converted voltage is used to control the amplitude of the output signal which flows into the load. The power amplifying apparatus further includes a circuit for determining a current-to-voltage conversion ratio of the current/voltage converter. The amplitude of the converted voltage converted by the current/voltage converter may be varied in accordance with the current-to-voltage converting ratio determined by the determining circuit.