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Patent Searching and Data


Title:
TRANSCEIVER
Document Type and Number:
Japanese Patent JPS5917734
Kind Code:
A
Abstract:

PURPOSE: To communicate smoothly with the base side, by inserting an attenuator to the input side of a receiver by the operation of a receiving test button.

CONSTITUTION: An antenna relay 11 is operated by the operation of a transmission button 20 to switch the connection of an antenna 1 to the output of a transmitter 2 or the input of a receiver 3. A power supply relay 41 is operated to switch and apply a power source 4 to the transmitter 2 or the receiver 3. A receiving test relay 51 is operated by the operation of a receiving test button 50 to insert an attenuator 5 for receiving test to the input side of the receiver 3. On the basis of receiving conditions at the time when a portable radio equipment is set to the receiving test state, communication contents are comprehended surely on the base station side by a speed suitable for them, the summary of contents, and repetition.


Inventors:
TEJIMA NOBUHIKO
Application Number:
JP12740782A
Publication Date:
January 30, 1984
Filing Date:
July 20, 1982
Export Citation:
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Assignee:
TEJIMA NOBUHIKO
International Classes:
H04B1/40; H04B1/18; H04B1/44; (IPC1-7): H04B1/18; H04B1/40