TWO-WIRE REMOTE CONTROLLER

PURPOSE:To reduce the scale of the entire controller, complicated configuration and manufacture cost or the like considerably by providing the circuit configuration of analog two-core transmission control switching alternately a period when an operation analog signal is sent and a period when a driv...

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Bibliographic Details
Main Authors HATAKE YOJI, SUNAKAWA KAZUO
Format Patent
LanguageEnglish
Published 19.07.1991
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING
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Summary:PURPOSE:To reduce the scale of the entire controller, complicated configuration and manufacture cost or the like considerably by providing the circuit configuration of analog two-core transmission control switching alternately a period when an operation analog signal is sent and a period when a drive analog signal is sent at a prescribed period and sending both signals through a single two-core cable. CONSTITUTION:Supposing a shower remote controller 27 is in the input standby state, a switching transistor(TR) 55 is turned on depending on a high level of a signal 75 outputted from an output terminal 61 of an analog two-core transmission control circuit 69 in a main control circuit 57 and a switching TR 53 is turned off depending a low level of a signal 76. In this case, when an operation switch 6 in an operation analog signal generating circuit 29 in the shower remote controller 27 is turned on, resistors 2, 3 and a variable resistor 4 are short-circuited and only a resistor 1 is active and an operation analog signal voltage is sent from a resistor switch circuit 29 via one wire 63 of the two-core cable.
Bibliography:Application Number: JP19890307994