Communications: electrical – Continuously variable indicating – With meter reading
Patent
1982-04-05
1984-11-13
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082544, 34082536, 34082531, H04Q 910
Patent
active
044828950
ABSTRACT:
A remote controlling apparatus comprising a transmitter including a pulse generating circuit the output of which is a plurality of pulses of radiant energy having an envelope of a selected pulse width and a selected pulse interval and a receiver including an envelope detection circuit, the output of which is a plurality of pulses each having the selected pulse width and having the selected pulse interval of the transmitted radiant energy, concidence pulse generating means for generating coincidence pulses responsive to transitions in the output pulses from the envelope detection circuit, with one such coincidence pulse being generated at a selected time after a transition in each such output pulse and one being generated in coincidence with a transition in each such output pulse, the selected time being selected such that coincidence of the generated coincidence pulses will only occur when the output of the envelope detection circuit has a selected pulse width, and coincidence detection coupled to a triggering circuit for triggering the triggering circuit in response to a pre-selected number of detected coincidences of the coincidence pulses in a pre-selected time period.
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Wein Products, Inc.
Yusko Donald J.
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