JPH0465355B2 - - Google Patents

Info

Publication number
JPH0465355B2
JPH0465355B2 JP63045327A JP4532788A JPH0465355B2 JP H0465355 B2 JPH0465355 B2 JP H0465355B2 JP 63045327 A JP63045327 A JP 63045327A JP 4532788 A JP4532788 A JP 4532788A JP H0465355 B2 JPH0465355 B2 JP H0465355B2
Authority
JP
Japan
Prior art keywords
circuit
detergent liquid
detection
voltage
output
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.)
Expired - Lifetime
Application number
JP63045327A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01219587A (ja
Inventor
Hideo Hayakawa
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.)
MEIWA SUKURIIN KK
Original Assignee
MEIWA SUKURIIN KK
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 MEIWA SUKURIIN KK filed Critical MEIWA SUKURIIN KK
Priority to JP63045327A priority Critical patent/JPH01219587A/ja
Publication of JPH01219587A publication Critical patent/JPH01219587A/ja
Publication of JPH0465355B2 publication Critical patent/JPH0465355B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
JP63045327A 1988-02-26 1988-02-26 コイン投入口への洗剤液注入検出装置 Granted JPH01219587A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63045327A JPH01219587A (ja) 1988-02-26 1988-02-26 コイン投入口への洗剤液注入検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63045327A JPH01219587A (ja) 1988-02-26 1988-02-26 コイン投入口への洗剤液注入検出装置

Publications (2)

Publication Number Publication Date
JPH01219587A JPH01219587A (ja) 1989-09-01
JPH0465355B2 true JPH0465355B2 (ko) 1992-10-19

Family

ID=12716217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63045327A Granted JPH01219587A (ja) 1988-02-26 1988-02-26 コイン投入口への洗剤液注入検出装置

Country Status (1)

Country Link
JP (1) JPH01219587A (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318164A (en) * 1992-05-15 1994-06-07 Mars Incorporated Vending machine apparatus and method to prevent fraud and minimize damage from injected fluids
GB2304958B (en) * 1995-09-07 1999-10-27 Mars Inc Method and apparatus for protecting a money-handling unit vunerable to liquid
US7633380B1 (en) 2007-04-10 2009-12-15 Gerald Lee Hall Anti-fraud system for a car wash station

Also Published As

Publication number Publication date
JPH01219587A (ja) 1989-09-01

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