Call device-attached patrol recorder

Details Call device-attached patrol recorder Call device-attached patrol recorder

1986-08-11

1989-08-15

Crosland, Donnie L.

Communications: electrical

Systems

Nonselective paging

340306, 34082515, H04Q 130, G08B 2500

Patent

active

048578835

ABSTRACT:
A call device-attached patrol recorder for use with a group of coders includes a patrol storing apparatus which includes a patrol recorder having a circuit for storing patrol information consisting of a position code of a coder arranged at every check position of a patrol course and a patrol time in turn by inserting the patrol recorder into the coder and a central unit having a circuit for reading out and printing out the patrol information recorded in the patrol recorder on paper; the patrol recorder also including a receiver for receiving a call signal emitted from a transmitter and an acknowledging device for acknowledging the receipt of the call signal.

REFERENCES:
patent: 3237183 (1966-02-01), Easan
patent: 3959633 (1976-05-01), Lawrence et al.
patent: 3990067 (1976-11-01), Van Dusen et al.
patent: 4296408 (1981-10-01), Neurinser

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