GB1135041A - Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier - Google Patents

Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier

Info

Publication number
GB1135041A
GB1135041A GB5978/65A GB597865A GB1135041A GB 1135041 A GB1135041 A GB 1135041A GB 5978/65 A GB5978/65 A GB 5978/65A GB 597865 A GB597865 A GB 597865A GB 1135041 A GB1135041 A GB 1135041A
Authority
GB
United Kingdom
Prior art keywords
ticket
voltage
winding
valid
coating
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
GB5978/65A
Other languages
English (en)
Inventor
Eric Lewis
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.)
Plessey UK Ltd
Original Assignee
Plessey UK 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 Plessey UK Ltd filed Critical Plessey UK Ltd
Priority to GB5978/65A priority Critical patent/GB1135041A/en
Priority to US529169A priority patent/US3463907A/en
Priority to SE01653/66A priority patent/SE340542B/xx
Priority to DE1966P0038743 priority patent/DE1286792B/de
Publication of GB1135041A publication Critical patent/GB1135041A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B11/00—Apparatus for validating or cancelling issued tickets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Credit Cards Or The Like (AREA)
GB5978/65A 1965-02-11 1965-02-11 Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier Expired GB1135041A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB5978/65A GB1135041A (en) 1965-02-11 1965-02-11 Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier
US529169A US3463907A (en) 1965-02-11 1966-01-27 Ticket-checking machines
SE01653/66A SE340542B (https=) 1965-02-11 1966-02-09
DE1966P0038743 DE1286792B (de) 1965-02-11 1966-02-10 Durch Einfuehrung einer einen magnetischen oder elektrischen Auftrag tragenden Fahrkarte od. dgl. gegen einen Anschlag ausgeloeste elektrische Steuereinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5978/65A GB1135041A (en) 1965-02-11 1965-02-11 Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier

Publications (1)

Publication Number Publication Date
GB1135041A true GB1135041A (en) 1968-11-27

Family

ID=9806164

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5978/65A Expired GB1135041A (en) 1965-02-11 1965-02-11 Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier

Country Status (4)

Country Link
US (1) US3463907A (https=)
DE (1) DE1286792B (https=)
GB (1) GB1135041A (https=)
SE (1) SE340542B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778598A (en) * 1972-02-03 1973-12-11 Banknote Corp Document authentication method and apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513745A (en) * 1944-12-13 1950-07-04 Rca Corp Metal detector
US2779540A (en) * 1953-08-31 1957-01-29 Datamatic Corp Machine control record
US2858505A (en) * 1953-09-18 1958-10-28 Sun Oil Co Apparatus for the detection of foreign bodies
NL193551A (https=) * 1953-12-30
US2915699A (en) * 1956-09-13 1959-12-01 Square D Co Metal detectors
NL224365A (https=) * 1957-01-28
GB913798A (en) * 1960-04-12 1962-12-28 Itek Corp Magnetic data processing
DE1161583B (de) * 1961-01-30 1964-01-23 Licentia Gmbh Anordnung zur Voreinstellung elektronischer Zaehlanordnungen

Also Published As

Publication number Publication date
US3463907A (en) 1969-08-26
DE1286792B (de) 1969-01-09
SE340542B (https=) 1971-11-22

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