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:
Feb. 04, 1997

Filed:

Nov. 15, 1994
Applicant:
Inventor:

Herbert M Chen, Austin, TX (US);

Assignee:

Advanced Micro Devices, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379375 ; 379377 ; 379373 ; 379418 ;
Abstract

A ring generator circuit that produces a ring output for a plurality of telephones simultaneously. The ring generator circuit includes a switch that receives an oscillating signal in response to an on condition of an on/off signal. The on/off signal is related to whether an incoming phone call is directed to one of the plurality of telephones or not. The ring generator circuit also includes a DC offset circuit that receives a DC input potential, an amplifier stage for providing a ring output, and a feedback circuit connected between the ring output of the amplifier stage and the switch output.


Find Patent Forward Citations

Chen, Herbert. (1997). On-board ring signal generator (U.S. Patent No. 5600713). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5600713

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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