Invention Grant
- Patent Title: Near-far sensing using frequency swept RSSI
- Patent Title (中): 使用频率扫描RSSI的近距离感测
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Application No.: US11906670Application Date: 2007-10-02
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Publication No.: US08270905B1Publication Date: 2012-09-18
- Inventor: Stephen V. Cahill , Douglas K Rosener
- Applicant: Stephen V. Cahill , Douglas K Rosener
- Applicant Address: US CA Santa Cruz
- Assignee: Plantroncis, Inc.
- Current Assignee: Plantroncis, Inc.
- Current Assignee Address: US CA Santa Cruz
- Agency: Chuang Intellectual Property Law
- Main IPC: H04B17/00
- IPC: H04B17/00 ; G01S11/06

Abstract:
A method and apparatus for determining proximity of a headset relative to its base. A plurality of frequency swept RSSI signals are measured and processed to determine a near status or a far status of the headset relative to its base. In one example, a peak RSSI signal is identified in the plurality of frequency swept RSSI signals. The peak RSSI signal is compared to a near/far threshold RSSI value to generate a near status or far status indication.
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