JPS51119292A - Screening of coin and its device - Google Patents

Screening of coin and its device

Info

Publication number
JPS51119292A
JPS51119292A JP4470575A JP4470575A JPS51119292A JP S51119292 A JPS51119292 A JP S51119292A JP 4470575 A JP4470575 A JP 4470575A JP 4470575 A JP4470575 A JP 4470575A JP S51119292 A JPS51119292 A JP S51119292A
Authority
JP
Japan
Prior art keywords
coin
screening
receiving
coil
screened
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
JP4470575A
Other languages
Japanese (ja)
Inventor
Mitsuru Yoda
Ryosuke Sato
Kojiro Mizukoshi
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.)
Nippon Signal Co Ltd
Original Assignee
Nippon Signal 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 Nippon Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP4470575A priority Critical patent/JPS51119292A/en
Publication of JPS51119292A publication Critical patent/JPS51119292A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Testing Of Coins (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE: Screening of coin by utilizing the attenuation in the receiving output reaches the peak in the frequency fixed by a coin if putting a coin to be screened between the transmitting coil and the receiving coil.
COPYRIGHT: (C)1976,JPO&Japio
JP4470575A 1975-04-11 1975-04-11 Screening of coin and its device Pending JPS51119292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4470575A JPS51119292A (en) 1975-04-11 1975-04-11 Screening of coin and its device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4470575A JPS51119292A (en) 1975-04-11 1975-04-11 Screening of coin and its device

Publications (1)

Publication Number Publication Date
JPS51119292A true JPS51119292A (en) 1976-10-19

Family

ID=12698822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4470575A Pending JPS51119292A (en) 1975-04-11 1975-04-11 Screening of coin and its device

Country Status (1)

Country Link
JP (1) JPS51119292A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847250A (en) * 1981-09-16 1983-03-18 Nippon Telegr & Teleph Corp <Ntt> Selection of material
JPS5996666U (en) * 1983-10-06 1984-06-30 ティーディーケイ株式会社 coin discrimination element
JPS6345691A (en) * 1986-08-12 1988-02-26 グローリー工業株式会社 Coin discriminator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087097A (en) * 1973-11-22 1975-07-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087097A (en) * 1973-11-22 1975-07-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847250A (en) * 1981-09-16 1983-03-18 Nippon Telegr & Teleph Corp <Ntt> Selection of material
JPS5996666U (en) * 1983-10-06 1984-06-30 ティーディーケイ株式会社 coin discrimination element
JPS6345691A (en) * 1986-08-12 1988-02-26 グローリー工業株式会社 Coin discriminator

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