Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
1999-12-09
2008-10-28
Hunter, Daniel (Department: 2685)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S567000, C455S573000
Reexamination Certificate
active
07444172
ABSTRACT:
A device and method for automatically controlling power of a radio mobile terminal connected to a hands-free kit and for preventing the radio mobile terminal from malfunctioning. In a power control method for automatically turning on a radio mobile terminal connected to a hands-free kit, the radio mobile terminal including a power control signal generator, a signal output terminal and a signal input terminal, the hands-free kit including a power-on signal generator and a signal detector, a power-on signal is supplied to the signal input terminal for a predetermined time period through the power-on signal generator when the radio mobile terminal is connected to the hands-free kit. After the predetermined time period elapses, generating the power-on signal is stopped. It is determined if the driving signal generated by the signal output terminal is detected through the signal detector. If the driving signal is detected, generating the power-on signal is stopped.
REFERENCES:
patent: 5367556 (1994-11-01), Marui
patent: 5802167 (1998-09-01), Hong
patent: 5812954 (1998-09-01), Henriksson
patent: 5864766 (1999-01-01), Chiang
patent: 5898908 (1999-04-01), Griffin
patent: 6173195 (2001-01-01), Chen
patent: 6314307 (2001-11-01), Charron
Hwang Byung-Hun
Joo Young-Seoung
Lee Dong-Jin
Park Chul-Gyoo
Hunter Daniel
Iqbal Khawar
Samsung Electronics Co,. Ltd.
The Farrell Law Firm P.C.
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