Title:
PRIVATE PART FLUSHING DEVICE
Document Type and Number:
Japanese Patent JP3653999
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a private part flushing device equipped with a zero cross detecting circuit which is low in cost and has a simple structure.
SOLUTION: A zero cross detecting circuit 11 is equipped with a second zener diode ZD2 of which the cathode is connected to one end of a commercial power source AC, a diode D1 and a resistor R3 constituting a power circuit 10 and resistors R4 and R5 connected in series between the anode of the second zener diode D2 and the node of resistors R2 and R3. The diode D1 of the power circuit 10 being used in combination, an AC supply voltage Vac is subjected to half-wave rectification and extracted and a pulsating voltage is divided by the resistors R3-R5 while an AC component of the commercial power AC is inputted as a zero cross detection signal Vx to a control circuit 7 by using the second zener diode ZD2. According to this constitution, the zero cross detecting circuit 11 having a low-cost and simple structure constituted of a series circuit of the diode D1, the voltage-dividing resistors R3-R5 and the second zener diode ZD2 can be realized.
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Inventors:
Takao Shimazu
Keiichiro Kato
Keiichiro Kato
Application Number:
JP23959698A
Publication Date:
June 02, 2005
Filing Date:
August 26, 1998
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
A47K7/08; E03D9/08; G01R19/175; H02M1/08; (IPC1-7): E03D9/08; G01R19/175; H02M1/08
Domestic Patent References:
| JP61102927A | ||||
| JP6168684U | ||||
| JP62115781U | ||||
| JP6375670A |
Attorney, Agent or Firm:
Keisei Nishikawa
Atsuo Mori
Atsuo Mori
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