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. 21, 2002
Filed:
Sep. 22, 1998
John M. Clark, Fort Worth, TX (US);
Ronald W. Pedigo, Trophy Club, TX (US);
Richard T. Carey, Fort Worth, TX (US);
RadioShack Corporation, Fort Worth, TX (US);
Abstract
A method and apparatus for simulating telephony services and providing information about telephony services and products without the use of a public carrier telephone system. The system includes at least one Telephone Interface (TI), connected between a telephone and the simulation system. The emulator receives, decodes and validates a user initiated command signal, converts it into a control signal and activates a playback sequence which emulates telephone services. A plurality of different telephone functions and services can be simulated without connection to external telephone lines or wireless service.