Battery-less electronic device

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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Details

C455S572000, C455S557000, C361S679310

Reexamination Certificate

active

08073499

ABSTRACT:
Automated software loading into a battery-less mobile phone is accomplished through attachment of a special non-standard USB On-The-Go cable to a serial connector of the mobile phone, thereby delivering power supply and unique signals for placing the phone in a special mode of operation used for production or distribution. In operation, when a unique non-standard voltage is asserted on the identification (ID) pin of the USB connector interface, it is detected by special circuitry in the serial connector. The circuitry then enables power supply to the battery-less phone and generates a turn-on signal directing the mobile phone to automatically power-on and enter into a particular state of operation, for example a test or software loading mode. Because this process is automatic, the efficiency of software loading or testing during production or distribution of the mobile device is improved.

REFERENCES:
patent: 5892756 (1999-04-01), Murphy
patent: 5903850 (1999-05-01), Huttunen et al.
patent: 6469891 (2002-10-01), Takita et al.
patent: 6587152 (2003-07-01), Sharp et al.

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