Radio communication apparatus having a function for displaying r

Details Radio communication apparatus having a function for displaying r Radio communication apparatus having a function for displaying r

1990-07-17

1993-08-24

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

4552262, 4552264, H04B 1700

Patent

active

052396843

ABSTRACT:
A radio communication apparatus such as an automobile telephone apparatus capable of accurately displaying a reception field strength. Also disclosed is a method of setting a threshold value for displaying a reception field strength of the radio communication apparatus. A storage device for storing correction data for the reception field strength corresponding to a mode of usage of the radio communication apparatus is provided. At the time when information on the reception field strength is supplied to a user, the reception field strength is corrected on the basis of correction data stored in the storage device to effect the notification. A radio signal of a predetermined strength corresponding to a reference value is generated from the outside, the radio signal generated is received, the reception field strength of the radio signal received is detected, and the value of the reception field strength detected is stored in a storage device as data on the threshold value.

REFERENCES:
patent: 3908165 (1975-09-01), Cauldwell
patent: 4673861 (1987-06-01), Dubovsky et al.
patent: 4939788 (1990-07-01), Hasegawa
patent: 4962523 (1990-10-01), Tanaka
patent: 5091919 (1992-02-01), Kuisma

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