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:
Sep. 18, 1984

Filed:

Sep. 13, 1982
Applicant:
Inventor:

Sava Jacobson, Van Nuys, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
179-613 ;
Abstract

Control circuitry for a telephone answering device is disclosed. This includes a tone burst oscillator the output of which is used both to provide audio signals to the caller and to control device operation. At the end of announcement transmission, the oscillator output is used to condition the mid-cycle shift. At the end of message recording, the output is used to return the answering device to the standby condition. A steering circuit connected to the oscillator output insures that each tone burst output provides the correct function control. Modified function control also is provided when an 'announce only' mode is selected or when a new announcement is recorded.


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