AT309543B - Schaltungsanordnung zum Unterscheiden zwischen unterschiedlichen metallischen Gegenständen, insbesondere Münzen in Selbstverkäufern, z.B. Münzfernsprechern - Google Patents

Schaltungsanordnung zum Unterscheiden zwischen unterschiedlichen metallischen Gegenständen, insbesondere Münzen in Selbstverkäufern, z.B. Münzfernsprechern

Info

Publication number
AT309543B
AT309543B AT46071A AT46071A AT309543B AT 309543 B AT309543 B AT 309543B AT 46071 A AT46071 A AT 46071A AT 46071 A AT46071 A AT 46071A AT 309543 B AT309543 B AT 309543B
Authority
AT
Austria
Prior art keywords
payphones
sellers
distinguishing
self
circuit arrangement
Prior art date
Application number
AT46071A
Other languages
English (en)
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
Application granted granted Critical
Publication of AT309543B publication Critical patent/AT309543B/de

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (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)
AT46071A 1970-03-16 1971-01-20 Schaltungsanordnung zum Unterscheiden zwischen unterschiedlichen metallischen Gegenständen, insbesondere Münzen in Selbstverkäufern, z.B. Münzfernsprechern AT309543B (de)

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
AT309543B true AT309543B (de) 1973-08-27

Family

ID=5765218

Family Applications (1)

Application Number Title Priority Date Filing Date
AT46071A AT309543B (de) 1970-03-16 1971-01-20 Schaltungsanordnung zum Unterscheiden zwischen unterschiedlichen metallischen Gegenständen, insbesondere Münzen in Selbstverkäufern, z.B. Münzfernsprechern

Country Status (10)

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

Families Citing this family (6)

* 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
GB2238152B (en) * 1989-10-18 1994-07-27 Mars Inc Method and apparatus for validating coins
US5404987A (en) * 1989-10-18 1995-04-11 Mars Incorporated Method and apparatus for validating money
ES2154258T5 (es) † 1991-03-27 2004-10-16 Nippon Conlux Co., Ltd. Procedimiento y aparato para distinguir monedas.

Also Published As

Publication number Publication date
JPS5214496U (de) 1977-02-01
FR2084554A5 (de) 1971-12-17
BE764333A (fr) 1971-09-16
DE2012376C3 (de) 1975-04-30
NL7102988A (de) 1971-09-20
CH573152A5 (de) 1976-02-27
SE359951B (de) 1973-09-10
DE2012376A1 (de) 1971-10-14
GB1285305A (en) 1972-08-16
LU62780A1 (de) 1971-08-23
DE2012376B2 (de) 1974-09-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee