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:
Jun. 23, 1992
Filed:
Jul. 31, 1990
Applicant:
Inventors:
Georg E Morduch, Alexandria, VA (US);
J Graham Hartwell, Germantown, MD (US);
Joe J Lynn, Gaithersburg, MD (US);
Assignee:
Microlog Corporation, Germantown, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379 88 ; 379 67 ; 379 84 ; 379 70 ;
Abstract
A method and apparatus are described for permitting conferencing in an automatic telephone information system by utilizing shared circular memory buffers incorporated in voice processing boards inserted in expansion slots in a PC to transfer speech from one line to another in a timed sequence controlled by the PC.