GB1285305A - Improvements in or relating to electric circuit arrangements for testing and sorting metal articles - Google Patents

Improvements in or relating to electric circuit arrangements for testing and sorting metal articles

Info

Publication number
GB1285305A
GB1285305A GB23682/71A GB2368271A GB1285305A GB 1285305 A GB1285305 A GB 1285305A GB 23682/71 A GB23682/71 A GB 23682/71A GB 2368271 A GB2368271 A GB 2368271A GB 1285305 A GB1285305 A GB 1285305A
Authority
GB
United Kingdom
Prior art keywords
coin
bridge
pulse
reject
solenoid
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
Application number
GB23682/71A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1285305A publication Critical patent/GB1285305A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G07D5/08—Testing the magnetic or electric properties

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Of Coins (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electronic Switches (AREA)
  • Prepayment Telephone Systems (AREA)
GB23682/71A 1970-03-16 1971-04-19 Improvements in or relating to electric circuit arrangements for testing and sorting metal articles Expired GB1285305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2012376A DE2012376C3 (de) 1970-03-16 1970-03-16 Schaltungsanordnung zum Unterscheiden zwischen unterschiedlichen metallischen Gegenständen, insbesondere Münzen

Publications (1)

Publication Number Publication Date
GB1285305A true GB1285305A (en) 1972-08-16

Family

ID=5765218

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23682/71A Expired GB1285305A (en) 1970-03-16 1971-04-19 Improvements in or relating to electric circuit arrangements for testing and sorting metal articles

Country Status (10)

Country Link
JP (1) JPS5214496U (fr)
AT (1) AT309543B (fr)
BE (1) BE764333A (fr)
CH (1) CH573152A5 (fr)
DE (1) DE2012376C3 (fr)
FR (1) FR2084554A5 (fr)
GB (1) GB1285305A (fr)
LU (1) LU62780A1 (fr)
NL (1) NL7102988A (fr)
SE (1) SE359951B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404987A (en) * 1989-10-18 1995-04-11 Mars Incorporated Method and apparatus for validating money
US5984074A (en) * 1989-10-18 1999-11-16 Mars, Incorporated Method and apparatus for validating money

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1443934A (en) * 1972-10-12 1976-07-28 Mars Inc Method and apparatus for use in an inductive sensor coin selector manufacture of carbon fibre
US4257512A (en) * 1979-02-12 1981-03-24 Bally Manufacturing Corporation Coin acceptor apparatus
US4488116A (en) * 1981-09-22 1984-12-11 Mars, Incorporated Inductive coin sensor for measuring more than one parameter of a moving coin
CA2052304C (fr) † 1991-03-27 1997-04-01 Osamu Sugimoto Methode et appareil pour faire la difference entre une bonne piece et une fausse piece de monnaie et pour applications connexes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404987A (en) * 1989-10-18 1995-04-11 Mars Incorporated Method and apparatus for validating money
US5984074A (en) * 1989-10-18 1999-11-16 Mars, Incorporated Method and apparatus for validating money

Also Published As

Publication number Publication date
BE764333A (fr) 1971-09-16
DE2012376B2 (de) 1974-09-12
JPS5214496U (fr) 1977-02-01
AT309543B (de) 1973-08-27
SE359951B (fr) 1973-09-10
DE2012376A1 (de) 1971-10-14
NL7102988A (fr) 1971-09-20
CH573152A5 (fr) 1976-02-27
DE2012376C3 (de) 1975-04-30
LU62780A1 (fr) 1971-08-23
FR2084554A5 (fr) 1971-12-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee