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:
May. 20, 1997
Filed:
May. 15, 1995
Joel Q Adams, Pflugerville, TX (US);
David C Black, Austin, TX (US);
William F Dunn, Jr, Austin, TX (US);
Norman Endick, Munich, DE;
James B Koehler, Cedar Creek, TX (US);
Michael K Kounnas, Austin, TX (US);
John C Krause, Austin, TX (US);
Diep N Le, Austin, TX (US);
Larry A Stell, Austin, TX (US);
Abstract
A method and apparatus for connecting remote options to a digital telephone base. Physical and communications protocols for connections and a flexible control scheme which can be as simple or elaborate as a given option requires are provided. The digital telephone includes an option bay connection, having a hierarchical control protocol. The option bay connection makes available several types of information, including: local analog audio, analog voice, digital voice, digital data and telephone control streams.