Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1987-12-21
1989-03-07
Lev, Robert
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
34082544, 379 58, H04Q 700
Patent
active
048113794
ABSTRACT:
A paging system is provided having page transmission means responsive to a message origination device for transmitting selective call paging signals and messages. A query signal is also transmitted a predetermined minimum time period from the corresponding paging signal. A plurality of transceivers are provided responsive to the selective call paging signals and messages, and further responsive to the query signals for enabling the generating and transmitting of a response signal. Receivers are provided for receiving the transmitted response signals. The received response signals are then delivered to the message origination device from which the original message originated.
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Ingrassia Vincent B.
Lev Robert
Motorola Inc.
Sarli, Jr. Anthony J.
Southard Donald B.
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