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, 2003
Filed:
Dec. 07, 1999
Stephen Weir, Petaluma, CA (US);
Leonid Shvarzberg, Santa Rosa, CA (US);
Stephen Bellato, Martinez, CA (US);
David Hochman, Nicasio, CA (US);
Terry Svetz, Kenwood, CA (US);
Herman Vis, Santa Rosa, CA (US);
John Henel, Sebastopol, CA (US);
Shad Muegge, Strilacoom, WA (US);
Teltronics, Inc., Petaluma, CA (US);
Abstract
An apparatus and method for a telephone system includes a telephony switch comprising a timing and switch array card for effecting all switching and timing functions of the switch, a plurality of telephony line cards operatively connected to the timing and switch array card, and at least one power supply operatively connected to both the timing and switch array card and the plurality of line cards wherein said timing and switching functions comprise tone and conference functions, line card slot and alarm board interface functions, PCM switching functions, signal scanning and signal packet transfer buffer support functions, host computer interface functions, and clock and synchronization functions.