Communications: electrical – Continuously variable indicating – With meter reading
Patent
1989-04-28
1990-11-20
Weldon, Ulysses
Communications: electrical
Continuously variable indicating
With meter reading
315200R, 34082529, 3581941, 455603, G08C 1900, G02F 100
Patent
active
049721852
ABSTRACT:
An radiant energy transmitter that includes a d.c. to d.c. converter, a d.c. energy storage circuit portion, a triggered radiant energy signaling device, a trigger pulse circuit to initiate operation of the signaling device and an operator adjustable trigger pulse timer circuit portion supplying signals to the trigger pulse circuit at a repetition rate selected by an operator with each signal causing the trigger pulse circuit to provide a trigger pulse to initiate an operation of the signaling device.
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Hoekman Earl B.
Stopa James L.
Barte William B.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Weldon Ulysses
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