Power connectors, antenna connectors and telephone line connecto

Details Power connectors, antenna connectors and telephone line connecto Power connectors, antenna connectors and telephone line connecto

1994-04-12

1999-11-23

An, Meng-Ai T.

Electrical computers and digital processing systems: processing

Processing architecture

455575, 455 90, H04B 138

Patent

active

059918640

ABSTRACT:
A computer apparatus for receiving a removable communication card such as a radio card or a modem card. A radio or modem is self-contained inside a housing of the communication card and has an electrical interface for communicating information to and from the computer apparatus. The computer apparatus receives the communication card such that it engages the electrical interface. The computer apparatus additionally has at least one pair of electrical contacts which will encounter electrical contacts on the communication card. These contacts automatically connect the communication card to an appropriate antenna, telephone, telephone line or power source. A radio communication card is connected to the appropriate antenna for the type and frequency of the radio. A modem card is connected to a standard telephone line, a cellular phone, or an antenna for a cellular phone if the cellular phone is also disposed within the housing of the modem communication card. Additionally, a switching matrix can be used to connect one set of contacts on a radio card or a modem card to one or more of a plurality of antennas and telephone lines. Positioning two similar antennas in different position creates an antenna diversity scheme.

REFERENCES:
patent: 4916441 (1990-04-01), Gombrich
patent: 5175878 (1992-12-01), Davis et al.
patent: 5331136 (1994-07-01), Koenck et al.
patent: 5410141 (1995-04-01), Koenck et al.
patent: 5628055 (1997-05-01), Stein

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