Communication card with telephone line interlock and cellular in

Details Communication card with telephone line interlock and cellular in Communication card with telephone line interlock and cellular in

1998-02-24

1999-03-02

Paladini, Albert W.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

395282, 39575006, 439133, 439344, H01R 2302

Patent

active

058775650

ABSTRACT:
The present invention provides an interlocking connector for a communication card including a first connection portion for connection to signals in the communication card relating to a first device such as a cellular telephone. A second connection portion in the interlocking connector provides for connection to signals in the communication card relating to a second device such as the PSTN. A blocking portion of the interlocking connector prevents electrical connection with the second connection portion and allows electrical connection with the first connection portion when the interlocking connector is connected to the communication card. A communication card is also provided which comprises modem circuitry, and an interface for connection between the modem circuitry and a computing device. A PSTN interface is provided for connection between the modem circuitry and a telephone line, and a cellular telephone interface is provided for connection between the modem circuitry and a cellular telephone. An interlocking connector prevents electrical connection of the PSTN interface to the telephone line when connected to the cellular telephone interface.

REFERENCES:
patent: 5183404 (1993-02-01), Aldous et al.
patent: 5404268 (1995-04-01), O'Connor
patent: 5499923 (1996-03-01), Archibald et al.
patent: 5505633 (1996-04-01), Broadbent
patent: 5708833 (1998-01-01), Kinney et al.
patent: 5727972 (1998-03-01), Aldous et al.
patent: 5768605 (1998-06-01), Fuller et al.
patent: 5773332 (1998-06-01), Glad

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