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.

Date of Patent:
Oct. 12, 1976

Filed:

Oct. 09, 1974
Applicant:
Inventors:

Takashi Okada, Yamato, JA;

Kimitake Utsunomiya, Tokyo, JA;

Assignee:

Sony Corporation, Tokyo, JA;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
307254 ; 307237 ; 307296 ;
Abstract

Signal switching apparatus is disclosed whereby a selected one of a plurality of supplied input signals is switched to an output terminal, including a switching circuit having plural input terminals for receiving the input signals and an output terminal to which a selected one of the received input signals is supplied; a control circuit coupled to the switching circuit and responsive to a control signal applied thereto for selectively actuating the switching circuit to thereby enable the switching circuit to supply one of the input signals to its output terminal; a clamping circuit coupled to the switching circuit and responsive to the control circuit for inhibiting the switching circuit from supplying more than one selected input signal to the output terminal; and an input signal supply circuit for supplying the plural input signals to the input terminals of the switching circuit.


Find Patent Forward Citations

Loading…