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. 17, 1987
Filed:
Jan. 10, 1985
Applicant:
Inventor:
Kou-I Yeh, Taipei, TW;
Assignee:
Inventa electronics Co., Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379375 ; 34030915 ; 379387 ;
Abstract
An automatic telephone silencer and volume controller having a microprocessor for storing time and volume information and for timely controlling the sound characteristics of a telephone ringer in accordance with the time and volume information stored. The time and volume information may be entered into the microprocessor by a suitable keyboard. Each time entry has associated with it a volume entry so that the telephone will ring at the prescribed volume from that time until the time denoted by the next time entry.