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:
Dec. 11, 2001
Filed:
Aug. 28, 1998
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., Sarasota, FL (US);
Abstract
A modular digital telephone system and method featuring a universal telephony shelf adaptable for incremental expansion of legacy telephone switches and as a building block in the construction of new telephony switches. The shelf includes identification and connectors for shelf pairing, and is adapted to receive redundant power supplies, plural line cards, and either a peripheral shelf interface unit or a switch array card which provides both a local shelf interface and three interface units for connection to the peripheral interface units of other shelves. System wide fault displays are provided.