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:
Jun. 30, 1999
Applicant:
Inventor:
Stephen Weir, Petaluma, CA (US);
Assignee:
Teltronics, Inc., Petaluma, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 1/9173 ; G06F 7/38 ; G06F 1/750 ;
U.S. Cl.
CPC ...
H03K 1/9173 ; G06F 7/38 ; G06F 1/750 ;
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 upon which is located a flash memory device utilized for reconfiguration purposes of a resident field programmable gate array.