ES444252A1 - Perfeccionamientos introducidos en una disposicion examina- dora de objetos metalicos, como monedas y similares. - Google Patents

Perfeccionamientos introducidos en una disposicion examina- dora de objetos metalicos, como monedas y similares.

Info

Publication number
ES444252A1
ES444252A1 ES444252A ES444252A ES444252A1 ES 444252 A1 ES444252 A1 ES 444252A1 ES 444252 A ES444252 A ES 444252A ES 444252 A ES444252 A ES 444252A ES 444252 A1 ES444252 A1 ES 444252A1
Authority
ES
Spain
Prior art keywords
oscillating
circuit
secondary coil
johnson
primary
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
ES444252A
Other languages
English (en)
Spanish (es)
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.)
Sodeco Saia AG
Societe des Compteurs de Geneve SODECO
Original Assignee
Sodeco Saia AG
Societe des Compteurs de Geneve SODECO
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 Sodeco Saia AG, Societe des Compteurs de Geneve SODECO filed Critical Sodeco Saia AG
Publication of ES444252A1 publication Critical patent/ES444252A1/es
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
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • 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
    • G07D5/02—Testing the dimensions, e.g. thickness, diameter; Testing the deformation
    • 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

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Testing Of Coins (AREA)
ES444252A 1975-01-14 1976-01-13 Perfeccionamientos introducidos en una disposicion examina- dora de objetos metalicos, como monedas y similares. Expired ES444252A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH39075A CH580811A5 (fr) 1975-01-14 1975-01-14

Publications (1)

Publication Number Publication Date
ES444252A1 true ES444252A1 (es) 1977-05-01

Family

ID=4185910

Family Applications (1)

Application Number Title Priority Date Filing Date
ES444252A Expired ES444252A1 (es) 1975-01-14 1976-01-13 Perfeccionamientos introducidos en una disposicion examina- dora de objetos metalicos, como monedas y similares.

Country Status (10)

Country Link
AT (1) AT336934B (fr)
BE (1) BE837521A (fr)
CH (1) CH580811A5 (fr)
DE (1) DE2507398C3 (fr)
ES (1) ES444252A1 (fr)
FR (1) FR2298103A1 (fr)
GB (1) GB1476617A (fr)
NL (1) NL7600237A (fr)
NO (1) NO143596C (fr)
SE (1) SE407864B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451032A1 (fr) * 1979-03-09 1980-10-03 Commissariat Energie Atomique Appareil numerique pour le controle de pieces par courants de foucault
DE3486213T2 (de) * 1983-11-04 1994-01-13 Mars Inc Münzprüfer.
GB8500220D0 (en) * 1985-01-04 1985-02-13 Coin Controls Discriminating between metallic articles
FR2619235B1 (fr) * 1987-08-06 1991-09-06 Crouzet Sa Dispositif de reconnaissance de la valeur de pieces de monnaie
CN115473442B (zh) * 2022-11-15 2023-01-31 四川大学 Llc单级型ac-dc变换器数值分析建模与边界功率控制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2144519A5 (fr) * 1972-07-31 1973-02-09 Tel Sa
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

Also Published As

Publication number Publication date
NO760039L (fr) 1976-07-15
NO143596B (no) 1980-12-01
SE407864B (sv) 1979-04-23
AT336934B (de) 1977-06-10
DE2507398C3 (de) 1981-01-15
GB1476617A (en) 1977-06-16
FR2298103A1 (fr) 1976-08-13
NO143596C (no) 1981-03-11
BE837521A (fr) 1976-05-03
AU1021576A (en) 1977-07-21
DE2507398A1 (de) 1976-07-15
NL7600237A (nl) 1976-07-16
DE2507398B2 (de) 1980-04-30
SE7600062L (sv) 1976-07-15
FR2298103B1 (fr) 1981-12-04
ATA14676A (de) 1976-09-15
CH580811A5 (fr) 1976-10-15

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