Circuit for stopping data transmission responding to low level a

Details Circuit for stopping data transmission responding to low level a Circuit for stopping data transmission responding to low level a

1992-09-30

1995-08-22

Urban, Edward F.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455 521, 455 671, 4552262, H04B 126

Patent

active

054448620

ABSTRACT:
A mobile radio communication apparatus containing: a transmission stopping unit for stopping the operation of transmitting a radio frequency signal when receiving a stop control signal; a first comparator for receiving a strength indicating signal, and comparing the amplitude of the strength indicating signal with a reference voltage to detect a first condition in which the amplitude of the strength indicating signal is below the reference voltage, to output a state indicating signal indicating whether or not the first condition is currently detected; a unit for obtaining and outputting a first duration in which the first condition continues; a unit for detecting a second condition in which the amplitude of the strength indicating signal decreases at a rate exceeding a predetermined decreasing rate; a unit for determining a second duration in which the operation of transmitting the second radio frequency signal is to be stopped, based on a plurality of values of the first duration, where the plurality of values are successively obtained within a predetermined duration; and a unit for generating the stop control signal, when the second condition is detected.

REFERENCES:
patent: 4556760 (1985-12-01), Goldman
patent: 4941200 (1990-07-01), Leslie et al.
patent: 5187808 (1993-02-01), Thompson
patent: 5193216 (1993-03-01), Davis
patent: 5239666 (1993-08-01), Truby

Affiliated with

Also associated with

Rating

Circuit for stopping data transmission responding to low level a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Circuit for stopping data transmission responding to low level a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Circuit for stopping data transmission responding to low level a will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2148536