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:
Nov. 26, 1996
Filed:
Apr. 29, 1994
Paul van Berkum, Winfield, IL (US);
Rockwell International Corporation, Seal Beach, CA (US);
Abstract
A switch sentry device (22) having a digital telephony switch (SCX, 16), a device (24) for processing information, a device (24, 34) for simulating a call from the processing device (24) to the switch (SCX, 16), a device (SCX, 16) responsive to the call simulating device (24, 34) for simulating a primary ringing line (36) from the switch (SCX, 16) to the processing device (24), a device (SCX, 16) responsive to the call simulating device (24, 34) for simulation an alternate ringing line (38) from the switch (SCX, 16) to the processing device (24), and a device (24) for determining an inoperative condition of the switch (SCX, 16).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile