Communications device with adjustment for temperature dependent

Details Communications device with adjustment for temperature dependent Communications device with adjustment for temperature dependent

1989-12-21

1992-05-26

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

455 88, 455115, 307591, H04B 1700, H03K 513

Patent

active

051175045

ABSTRACT:
A communications device in which a control unit and a delay unit transmit a time-shifted acknowledge signal in response to a received message. For the purpose of adhering exactly to the difference in time between receiving the request signal and sending the acknowledge signal, the control unit is connected to a temperature sensor and an adjustment-value memory. By means of the temperature sensor the control unit takes an adjustment value from the appropriate memory address and passes this adjustment value to the delay unit for determining the delay time. A field of application is, for example, mobile radio receivers for car telephone systems.

REFERENCES:
patent: 4473762 (1984-09-01), Iwahashi et al.
patent: 4684897 (1987-08-01), Richards et al.

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