ATE178419T1 - Lichtaussendender diodenabtaster - Google Patents

Lichtaussendender diodenabtaster

Info

Publication number
ATE178419T1
ATE178419T1 AT91110750T AT91110750T ATE178419T1 AT E178419 T1 ATE178419 T1 AT E178419T1 AT 91110750 T AT91110750 T AT 91110750T AT 91110750 T AT91110750 T AT 91110750T AT E178419 T1 ATE178419 T1 AT E178419T1
Authority
AT
Austria
Prior art keywords
light
viewing window
emitting diode
scanner
scan spot
Prior art date
Application number
AT91110750T
Other languages
English (en)
Inventor
Boris Metlitsky
Jerome Swartz
Edward Barkan
Howard M Shepard
David Goren
Tony Biuso
Original Assignee
Symbol Technologies Inc
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 Symbol Technologies Inc filed Critical Symbol Technologies Inc
Application granted granted Critical
Publication of ATE178419T1 publication Critical patent/ATE178419T1/de

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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • 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
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1013—Multi-focal
AT91110750T 1990-08-03 1991-06-28 Lichtaussendender diodenabtaster ATE178419T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/562,130 US5151580A (en) 1990-08-03 1990-08-03 Light emitting diode scanner

Publications (1)

Publication Number Publication Date
ATE178419T1 true ATE178419T1 (de) 1999-04-15

Family

ID=24244929

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91110750T ATE178419T1 (de) 1990-08-03 1991-06-28 Lichtaussendender diodenabtaster

Country Status (13)

Country Link
US (1) US5151580A (de)
EP (1) EP0469305B1 (de)
JP (1) JP3081288B2 (de)
KR (1) KR100209781B1 (de)
AT (1) ATE178419T1 (de)
AU (1) AU637214B2 (de)
BR (1) BR9102294A (de)
CA (1) CA2039225C (de)
DE (2) DE69131062T2 (de)
FR (1) FR2665555B1 (de)
GB (1) GB2246653B (de)
IL (1) IL98002A (de)
ZA (1) ZA912756B (de)

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US6354505B1 (en) 1995-12-18 2002-03-12 Metrologic Instruments, Inc. Scan data signal processor employing pass-band filter structures having frequency response characteristics dynamically switched into operation by control signals indicative of the focal zone of the laser beam during bar code symbol scanning
US6572018B1 (en) 1995-12-18 2003-06-03 Metrologic Instruments, Inc. Method of and apparatus for processing analog scan data signals derived by scanning bar code symbols using a laser beam, wherein a real-time bar code element detector is used to control the detection of zero-crossings occurring in the second derivative of said analog scan data signals
US6422467B2 (en) 1995-12-18 2002-07-23 Metrologic Instruments, Inc. Reading system a variable pass-band
US6073849A (en) * 1996-11-01 2000-06-13 Psc Scanning, Inc. Electronic edge detection system using a second derivative signal processor
ATE261599T1 (de) * 1996-12-30 2004-03-15 Datalogic Spa Verfahren und vorrichtung zum messen und regulieren einer zeitkonstanten einer elektronischen schaltung, die teil eines optischen kodelesers ist
DE19710724C2 (de) * 1997-03-14 2002-09-26 Sick Ag Optoelektronischer Sensor
US6830190B2 (en) 1999-02-02 2004-12-14 Metrologic Instruments, Inc. Multipath scan data signal processor having multiple signal processing paths with different operational characteristics to enable processing of signals having increased dynamic range
US20100051696A1 (en) * 2008-08-27 2010-03-04 Symbol Technologies, Inc. Illumination system for a bar code reader
US20110222301A1 (en) * 2010-03-09 2011-09-15 Digital Imaging Systems GmbH and Luger Research e. U. Dynamic lighting system
DE102011100279A1 (de) 2011-04-29 2012-10-31 Digital Imaging Systems Gmbh Dynamisches Beleuchtungssystem
CN102881120B (zh) * 2012-10-09 2014-07-23 宁波宇宏电气有限公司 一种具有智能报警阈值的燃气泄漏报警控制方法

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Also Published As

Publication number Publication date
AU7511791A (en) 1992-02-06
KR920005018A (ko) 1992-03-28
DE4125899A1 (de) 1992-02-06
JPH04260985A (ja) 1992-09-16
AU637214B2 (en) 1993-05-20
US5151580A (en) 1992-09-29
GB9112224D0 (en) 1991-07-24
EP0469305A3 (en) 1992-09-02
KR100209781B1 (ko) 1999-07-15
GB2246653B (en) 1995-02-15
EP0469305B1 (de) 1999-03-31
JP3081288B2 (ja) 2000-08-28
CA2039225C (en) 2002-01-01
DE69131062T2 (de) 1999-10-28
EP0469305A2 (de) 1992-02-05
FR2665555B1 (fr) 1995-10-27
IL98002A0 (en) 1992-06-21
IL98002A (en) 1994-10-21
BR9102294A (pt) 1992-04-28
DE69131062D1 (de) 1999-05-06
ZA912756B (en) 1992-04-29
GB2246653A (en) 1992-02-05
FR2665555A1 (fr) 1992-02-07
CA2039225A1 (en) 1992-02-04
DE4125899C2 (de) 2000-03-02

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Legal Events

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