Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Reexamination Certificate
2007-01-02
2007-01-02
Sircus, Brian (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
Reexamination Certificate
active
10729985
ABSTRACT:
A present invention provides a PDA with built-in voltage protection, comprising a main device, a socket, and a voltage protection module. The main device performs necessary data processing. The socket connects to an adapter. The voltage protection module is coupled between the main device and the socket, wherein the voltage protection module receives an input voltage from the adapter and allowing the input voltage to be applied to the main device when the input voltage is between a preset maximum voltage and a preset minimum voltage.
REFERENCES:
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patent: 4368499 (1983-01-01), Stifter
patent: 4999730 (1991-03-01), Pickard
patent: 5350949 (1994-09-01), Yazi
patent: 6301131 (2001-10-01), Yoshida
patent: 6331763 (2001-12-01), Thomas et al.
patent: 6804100 (2004-10-01), Astala
Chang Wen-Fu
Lee Chien-Ju
Benenson Boris
Birch & Stewart Kolasch & Birch, LLP
Inventec Appliances Corporation
Sircus Brian
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