Portable telephone

Details Portable telephone Portable telephone

1994-05-24

1996-03-05

Urban, Edward F.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 90, 455129, 379433, H04B 138

Patent

active

054975069

ABSTRACT:
An easy-to-use portable telephone is provided. The telephone has telephone proper 1, antenna 2, operating switch 3, and antenna moving mechanism 4. On the telephone proper 1, the back of the side on which the operating buttons 1a are provided and the left and right sides constitute hand-held sections, which are held by the left hand. The antenna 2 is provided to be extendable and retractable from the top side of telephone proper 1. The operating switch 3 is provided on the left-hand side of the telephone proper I and it is located such that when the user holds the telephone proper 1 with the left hand, it can be operated by the thumb. The antenna moving mechanism 4 moves antenna 2 upward when the "Talk" c is selected by operating switch 3 and moves antenna 2 downward when "Standby" b is later selected. The antenna moving mechanism 4 has micro-motor 5, motor control section 6, screw rod 7 , and nut 8.

REFERENCES:
patent: 4847629 (1989-07-01), Shimazaki
patent: 5109539 (1992-04-01), Inubushi et al.
patent: 5335367 (1994-08-01), Adachi et al.

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