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. 28, 1999
Filed:
Feb. 01, 1995
Michael Herbert Retzer, Palatine, IL (US);
Manohar Achyut Joglekar, Long Grove, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A unique method and apparatus automatically switches between a voice mode and a data mode in a wireless communication device. In particular, a communication device (200) adapted to voice and data signals monitors a data network for data traffic for a first predetermined period of time (506), then monitors a cellular control channel (516) for cellular traffic during a sleep mode of the data network before establishing normal cellular operation. The method and apparatus increases efficient use of channel capacity by selectively switching between systems during periods of nonuse. Finally, according to other novel aspects of the present invention, user prompts (606, 618) enable efficient use of a communication device capable of transmitting and receiving both voice and data.