Construction of a stand alone portable telephone unit

Details Construction of a stand alone portable telephone unit Construction of a stand alone portable telephone unit

1992-05-11

1993-11-23

Ng, Jin F.

Telephonic communications

Terminal

Housing or housing component

455 90, H04M 100, H04B 138

Patent

active

052651584

ABSTRACT:
A stand-alone portable radio telephone unit, includes an upper part, and a lower part. The upper and lower parts have similar peripheral shapes and in combination include all of the components necessary to form a handset for connection with a main unit in a mobile phone system. An intermediate part is located between the upper and lower parts and includes radio frequency components, an antenna and battery means. The upper, lower and intermediate parts in combination include all of the components necessary to form a stand-alone portable radio telephone unit. Bringing the three parts into abutting engagement completes the required electrical connections between the parts.

REFERENCES:
patent: 5136229 (1992-08-01), Galvin
patent: 5142573 (1992-08-01), Umezawa
patent: 5170494 (1992-12-01), Levanto

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