Protective casing for a hand-held portable radio telephone

H - Electricity – 04 – M

Patent

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Details

325/17, 351/4

H04M 1/72 (2006.01) H04B 1/034 (2006.01) H04B 1/38 (2006.01) H04B 7/08 (2006.01)

Patent

CA 1314940

-19- ABSTRACT OF THE DISCLOSURE A protective casing for a hand-held portable radio telephone has at least one antenna built therein which is usable in place of an antenna which is built in the telephone. When two antennas are provided in the protective casing, one of them which has a more intense electric field than the other is automatically selected during the course of conversation.

603266

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