Invention Grant
- Patent Title: Apparatus for and method of automatic radio link establishment
- Patent Title (中): 自动无线电链路建立的装置和方法
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Application No.: US11617631Application Date: 2006-12-28
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Publication No.: US07792498B2Publication Date: 2010-09-07
- Inventor: Yossi Tsfaty , Itay Sherman
- Applicant: Yossi Tsfaty , Itay Sherman
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Wade J. Brady, III; Frederick J. Telecky, Jr.
- Main IPC: H04B1/40
- IPC: H04B1/40

Abstract:
A novel and useful mechanism for automatically establishing a radio link between a communications device and a commercially available FM radio receiver, thereby eliminating the need to manually configure both the target FM radio receiver and the FM transmitter to a suitable FM station. The mechanism scans the RF spectrum periodically for candidate frequencies over which to transmit the desired audio signal to the target radio. Once a suitable frequency is detected, the mechanism waits for an incoming call in the case of a cellular phone or immediately establishes a link such as in the case of a multimedia player. When a connection is to be established, a Radio Data System compatible bitstream is transmitted to configure the target radio to jump to an “alternate frequency” when reception conditions are poor enough. To ensure that the target radio receiver jumps to the desired station, the FM transmitter sends a CW signal to jam or block the station the target radio is currently tuned to. This causes the target radio to jump to the alternate frequency.
Public/Granted literature
- US20080160928A1 APPARATUS FOR AND METHOD OF AUTOMATIC RADIO LINK ESTABLISHMENT Public/Granted day:2008-07-03
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