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DE69019937D1 - Näherungsdetektionsgerät. - Google Patents

Näherungsdetektionsgerät.

Info

Publication number
DE69019937D1
DE69019937D1 DE69019937T DE69019937T DE69019937D1 DE 69019937 D1 DE69019937 D1 DE 69019937D1 DE 69019937 T DE69019937 T DE 69019937T DE 69019937 T DE69019937 T DE 69019937T DE 69019937 D1 DE69019937 D1 DE 69019937D1
Authority
DE
Germany
Prior art keywords
detection device
proximity detection
proximity
detection
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 - Lifetime
Application number
DE69019937T
Other languages
English (en)
Other versions
DE69019937T2 (de
Inventor
Theodore Geiszler
Dale Lindseth
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.)
Assa Abloy AB
Original Assignee
Indala Corp
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 Indala Corp filed Critical Indala Corp
Publication of DE69019937D1 publication Critical patent/DE69019937D1/de
Application granted granted Critical
Publication of DE69019937T2 publication Critical patent/DE69019937T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10326—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the very-near field type, e.g. capacitive
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Near-Field Transmission Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Transmitters (AREA)
DE69019937T 1989-07-18 1990-07-18 Näherungsdetektionsgerät. Expired - Lifetime DE69019937T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38108789A 1989-07-18 1989-07-18
US07/453,271 US5099227A (en) 1989-07-18 1989-12-18 Proximity detecting apparatus
PCT/US1990/004045 WO1991001531A1 (en) 1989-07-18 1990-07-18 Proximity detecting apparatus

Publications (2)

Publication Number Publication Date
DE69019937D1 true DE69019937D1 (de) 1995-07-13
DE69019937T2 DE69019937T2 (de) 1996-01-04

Family

ID=27009237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019937T Expired - Lifetime DE69019937T2 (de) 1989-07-18 1990-07-18 Näherungsdetektionsgerät.

Country Status (9)

Country Link
US (1) US5099227A (de)
EP (1) EP0434817B1 (de)
JP (1) JPH0744489B2 (de)
KR (1) KR100226117B1 (de)
AU (1) AU630730B2 (de)
CA (1) CA2036378C (de)
DE (1) DE69019937T2 (de)
FI (1) FI98573C (de)
WO (1) WO1991001531A1 (de)

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Also Published As

Publication number Publication date
US5099227A (en) 1992-03-24
FI911283A0 (fi) 1991-03-15
KR100226117B1 (ko) 1999-10-15
FI98573B (fi) 1997-03-27
AU630730B2 (en) 1992-11-05
FI98573C (fi) 1997-07-10
CA2036378A1 (en) 1991-01-19
CA2036378C (en) 1995-11-07
JPH04500896A (ja) 1992-02-13
EP0434817B1 (de) 1995-06-07
KR920701919A (ko) 1992-08-12
AU6074090A (en) 1991-02-22
DE69019937T2 (de) 1996-01-04
EP0434817A1 (de) 1991-07-03
JPH0744489B2 (ja) 1995-05-15
WO1991001531A1 (en) 1991-02-07

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