HK143496A - Rapid signal validity checking apparatus - Google Patents

Rapid signal validity checking apparatus

Info

Publication number
HK143496A
HK143496A HK143496A HK143496A HK143496A HK 143496 A HK143496 A HK 143496A HK 143496 A HK143496 A HK 143496A HK 143496 A HK143496 A HK 143496A HK 143496 A HK143496 A HK 143496A
Authority
HK
Hong Kong
Prior art keywords
checking apparatus
validity checking
rapid signal
signal validity
rapid
Prior art date
Application number
HK143496A
Other languages
English (en)
Inventor
Alfred R Koelle
Donald F Speirs
Peter L Hendrick
Original Assignee
Amtech Systems 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 Amtech Systems Corp filed Critical Amtech Systems Corp
Publication of HK143496A publication Critical patent/HK143496A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/19—Monitoring patterns of pulse trains
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Nonlinear Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Selective Calling Equipment (AREA)
  • Measuring Volume Flow (AREA)
  • Manipulation Of Pulses (AREA)
HK143496A 1988-01-28 1996-08-01 Rapid signal validity checking apparatus HK143496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/149,609 US4864158A (en) 1988-01-28 1988-01-28 Rapid signal validity checking apparatus

Publications (1)

Publication Number Publication Date
HK143496A true HK143496A (en) 1996-08-09

Family

ID=22531074

Family Applications (1)

Application Number Title Priority Date Filing Date
HK143496A HK143496A (en) 1988-01-28 1996-08-01 Rapid signal validity checking apparatus

Country Status (11)

Country Link
US (1) US4864158A (ko)
EP (1) EP0325837B1 (ko)
JP (1) JP2740230B2 (ko)
KR (1) KR0133293B1 (ko)
AU (1) AU605077B2 (ko)
CA (1) CA1305759C (ko)
DE (1) DE3850090D1 (ko)
ES (1) ES2059536T3 (ko)
HK (1) HK143496A (ko)
IL (1) IL88623A (ko)
NO (1) NO174442C (ko)

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US5469978A (en) * 1994-07-12 1995-11-28 Keystone Railway Equipment Company, Inc. Condition indicating system for railway car cushioning unit
DE4425271A1 (de) 1994-07-18 1996-01-25 Sel Alcatel Ag Verfahren und Geräteanordnung für einen gesicherten, anonymen Zahlungsverkehr
US5606322A (en) * 1994-10-24 1997-02-25 Motorola, Inc. Divergent code generator and method
US7002475B2 (en) * 1997-12-31 2006-02-21 Intermec Ip Corp. Combination radio frequency identification transponder (RFID tag) and magnetic electronic article surveillance (EAS) tag
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
US6208062B1 (en) 1997-08-18 2001-03-27 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6114971A (en) 1997-08-18 2000-09-05 X-Cyte, Inc. Frequency hopping spread spectrum passive acoustic wave identification device
US6060815A (en) 1997-08-18 2000-05-09 X-Cyte, Inc. Frequency mixing passive transponder
US5986382A (en) 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6281794B1 (en) 1998-01-02 2001-08-28 Intermec Ip Corp. Radio frequency transponder with improved read distance
US6177872B1 (en) 1998-03-13 2001-01-23 Intermec Ip Corp. Distributed impedance matching circuit for high reflection coefficient load
US6249227B1 (en) 1998-01-05 2001-06-19 Intermec Ip Corp. RFID integrated in electronic assets
US6104291A (en) * 1998-01-09 2000-08-15 Intermec Ip Corp. Method and apparatus for testing RFID tags
US6441740B1 (en) 1998-02-27 2002-08-27 Intermec Ip Corp. Radio frequency identification transponder having a reflector
US6639509B1 (en) 1998-03-16 2003-10-28 Intermec Ip Corp. System and method for communicating with an RFID transponder with reduced noise and interference
US6121878A (en) * 1998-05-01 2000-09-19 Intermec Ip Corp. System for controlling assets
DE19822443A1 (de) 1998-05-19 1999-11-25 Alcatel Sa Verfahren zur Erfassung von Straßenbenutzungsgebühren sowie Erfassungsstelle dafür
US6201474B1 (en) 1998-10-21 2001-03-13 Intermec Ip Corp. Magnetic tape storage media having RFID transponders
US6100804A (en) * 1998-10-29 2000-08-08 Intecmec Ip Corp. Radio frequency identification system
US6236223B1 (en) 1998-11-09 2001-05-22 Intermec Ip Corp. Method and apparatus for wireless radio frequency testing of RFID integrated circuits
US6427627B1 (en) 2000-03-17 2002-08-06 Growsafe Systems Ltd. Method of monitoring animal feeding behavior
US7015833B1 (en) * 2000-08-31 2006-03-21 Logitech Europe S.A. Multilink receiver for multiple cordless applications
US6505103B1 (en) 2000-09-29 2003-01-07 Ge Harris Harmon Railway Technology, Llc Method and apparatus for controlling remote locomotive operation
US6637703B2 (en) * 2000-12-28 2003-10-28 Ge Harris Railway Electronics Llc Yard tracking system
US6910911B2 (en) 2002-06-27 2005-06-28 Vocollect, Inc. Break-away electrical connector
US7372364B2 (en) * 2003-11-10 2008-05-13 3M Innovative Properties Company Algorithm for RFID security
US7119692B2 (en) * 2003-11-10 2006-10-10 3M Innovative Properties Company System for detecting radio-frequency identification tags
US6868804B1 (en) 2003-11-20 2005-03-22 Growsafe Systems Ltd. Animal management system
US7548153B2 (en) 2004-07-09 2009-06-16 Tc License Ltd. Multi-protocol or multi-command RFID system
US20070080930A1 (en) * 2005-10-11 2007-04-12 Logan James R Terminal device for voice-directed work and information exchange
US20070185612A1 (en) * 2006-02-08 2007-08-09 Casella Waste Systems, Inc. Systems and methods for managing inventory of aggregated post-consumer goods
USD626949S1 (en) 2008-02-20 2010-11-09 Vocollect Healthcare Systems, Inc. Body-worn mobile device
JP5343646B2 (ja) * 2008-03-26 2013-11-13 富士通株式会社 読取装置、コンピュータプログラム及び読取システム
JP4896063B2 (ja) * 2008-03-31 2012-03-14 ルネサスエレクトロニクス株式会社 信号処理装置
US8386261B2 (en) 2008-11-14 2013-02-26 Vocollect Healthcare Systems, Inc. Training/coaching system for a voice-enabled work environment
WO2010076667A1 (en) * 2009-01-05 2010-07-08 Freescale Semiconductor, Inc. Clock glitch detection circuit
WO2010112969A1 (en) 2009-03-31 2010-10-07 Freescale Semiconductor, Inc. Clock glitch detection
US8188908B2 (en) * 2010-01-29 2012-05-29 Amtech Systems, LLC System and method for measurement of distance to a tag by a modulated backscatter RFID reader
US8742975B2 (en) 2010-04-27 2014-06-03 Amtech Systems, LLC System and method for microwave ranging to a target in presence of clutter and multi-path effects
US8659397B2 (en) 2010-07-22 2014-02-25 Vocollect, Inc. Method and system for correctly identifying specific RFID tags
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US9396367B2 (en) 2013-02-05 2016-07-19 Amtech Systems, LLC System and method for synchronizing RFID readers utilizing RF or modulation signals
US10121289B1 (en) 2014-04-11 2018-11-06 Amtech Systems, LLC Vehicle-based electronic toll system with interface to vehicle display

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IN165970B (ko) * 1984-10-17 1990-02-17 Int Identification Systems
US4739328A (en) * 1986-07-14 1988-04-19 Amtech Corporation System for identifying particular objects

Also Published As

Publication number Publication date
CA1305759C (en) 1992-07-28
US4864158A (en) 1989-09-05
NO174442B (no) 1994-01-24
NO174442C (no) 1994-05-04
EP0325837A3 (en) 1990-06-13
EP0325837B1 (en) 1994-06-08
IL88623A (en) 1992-06-21
EP0325837A2 (en) 1989-08-02
AU2633488A (en) 1989-08-03
NO890362D0 (no) 1989-01-27
KR0133293B1 (ko) 1998-10-01
AU605077B2 (en) 1991-01-03
KR890012236A (ko) 1989-08-25
NO890362L (no) 1989-07-31
JP2740230B2 (ja) 1998-04-15
DE3850090D1 (de) 1994-07-14
ES2059536T3 (es) 1994-11-16
IL88623A0 (en) 1989-07-31
JPH01224685A (ja) 1989-09-07

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)