JPS6454145A - Operation selector for ventilation fan - Google Patents

Operation selector for ventilation fan

Info

Publication number
JPS6454145A
JPS6454145A JP20968787A JP20968787A JPS6454145A JP S6454145 A JPS6454145 A JP S6454145A JP 20968787 A JP20968787 A JP 20968787A JP 20968787 A JP20968787 A JP 20968787A JP S6454145 A JPS6454145 A JP S6454145A
Authority
JP
Japan
Prior art keywords
hand switch
ventilation fan
control circuit
phase control
locations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20968787A
Other languages
Japanese (ja)
Inventor
Masahiko Kawasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Ecology Systems Co Ltd
Original Assignee
Matsushita Seiko Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Seiko Co Ltd filed Critical Matsushita Seiko Co Ltd
Priority to JP20968787A priority Critical patent/JPS6454145A/en
Publication of JPS6454145A publication Critical patent/JPS6454145A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To enable a changing-over operation to be performed at two locations by a method wherein operator's hand switches are located at remote two locations in a remote selector, one hand switch may transmit a plurality of source signals of a plus phase control and the other hand switch may transmit a negative phase control signal and then the transmissions are discriminated by the ventilation fan. CONSTITUTION:Terminals Ka-Kb of a first hand switch 2A and a second hand switch 2B are connected to each other. The other terminals are connected to a pulse conversion circuit of a control circuit at the ventilation fan and an AC power supply. With this arrangement, a selector signal current of the first hand switch 2A is flowed from a semi-wave phase control circuit 2A-2 the terminal Ka the terminal Kb diode 2B-3 control circuit semi- wave phase control circuit 2A-2. In turn, a signal current of the second hand switch 2B is flowed through a diode 2A-3 of the first hand switch 2. Accordingly, the plus side and minus side of the AC signal of ventilation fan can be detected separately and then it can be adopted for an operation instruction from two locations.
JP20968787A 1987-08-24 1987-08-24 Operation selector for ventilation fan Pending JPS6454145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20968787A JPS6454145A (en) 1987-08-24 1987-08-24 Operation selector for ventilation fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20968787A JPS6454145A (en) 1987-08-24 1987-08-24 Operation selector for ventilation fan

Publications (1)

Publication Number Publication Date
JPS6454145A true JPS6454145A (en) 1989-03-01

Family

ID=16576962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20968787A Pending JPS6454145A (en) 1987-08-24 1987-08-24 Operation selector for ventilation fan

Country Status (1)

Country Link
JP (1) JPS6454145A (en)

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