ATE171290T1 - Rückreflektierendabtastvorrichtung mit von sammeloptik freiem rückweg - Google Patents

Rückreflektierendabtastvorrichtung mit von sammeloptik freiem rückweg

Info

Publication number
ATE171290T1
ATE171290T1 AT93109728T AT93109728T ATE171290T1 AT E171290 T1 ATE171290 T1 AT E171290T1 AT 93109728 T AT93109728 T AT 93109728T AT 93109728 T AT93109728 T AT 93109728T AT E171290 T1 ATE171290 T1 AT E171290T1
Authority
AT
Austria
Prior art keywords
return path
mirror
collection optics
light
scanning device
Prior art date
Application number
AT93109728T
Other languages
English (en)
Inventor
Edward Barkan
Howard M Shepard
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 ATE171290T1 publication Critical patent/ATE171290T1/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
    • G06K7/10554—Moving beam scanning
    • 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Laser Beam Printer (AREA)
AT93109728T 1992-06-19 1993-06-17 Rückreflektierendabtastvorrichtung mit von sammeloptik freiem rückweg ATE171290T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/901,305 US5272353A (en) 1992-06-19 1992-06-19 Retro-reflective scanner with return path free of collection optics

Publications (1)

Publication Number Publication Date
ATE171290T1 true ATE171290T1 (de) 1998-10-15

Family

ID=25413905

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93109728T ATE171290T1 (de) 1992-06-19 1993-06-17 Rückreflektierendabtastvorrichtung mit von sammeloptik freiem rückweg

Country Status (9)

Country Link
US (1) US5272353A (de)
EP (1) EP0575894B1 (de)
JP (1) JPH0689360A (de)
KR (1) KR940001001A (de)
CN (1) CN1036223C (de)
AT (1) ATE171290T1 (de)
DE (1) DE69321039T2 (de)
ES (1) ES2121033T3 (de)
TW (1) TW247951B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3077616B2 (ja) * 1997-01-31 2000-08-14 富士通株式会社 バーコード読取方法
GB2282906B (en) 1993-10-13 1996-11-06 Dataquill Ltd Data enty systems
US5546217A (en) * 1993-11-05 1996-08-13 Decagon Devices, Inc. Laser scanning apparatus
US5550364A (en) * 1994-03-21 1996-08-27 Intermec Corporation Method and apparatus for spotter beam formation using a partitioned optical element
US5598007A (en) * 1994-03-21 1997-01-28 Intermec Corporation Symbology reader with fixed focus spotter beam
US5530233A (en) * 1994-06-30 1996-06-25 Symbol Technologies, Inc. Bar code scanner with quasi-retroreflective light collection
US5635700A (en) * 1994-07-27 1997-06-03 Symbol Technologies, Inc. Bar code scanner with multi-channel light collection
JPH10178585A (ja) * 1996-12-19 1998-06-30 Fuji Photo Film Co Ltd 画像生成装置
US6034803A (en) 1997-04-30 2000-03-07 K2 T, Inc. Method and apparatus for directing energy based range detection sensor
US5936238A (en) * 1997-10-29 1999-08-10 Hewlett-Packard Company Portable optical scanning device with a recessed optical window
US7806585B2 (en) * 2007-06-22 2010-10-05 Decagon Devices, Inc. Apparatus, method, and system for measuring water activity and weight
TWI361316B (en) 2007-07-11 2012-04-01 Au Optronics Corp Backlight module structure and backlight module comprising said structure
TWI392926B (zh) 2009-01-16 2013-04-11 Au Optronics Corp 背光模組
GB2494884B (en) * 2011-09-21 2016-01-20 Palletforce Plc Apparatus and method for the identification and weighing of cargo
CN104318195B (zh) * 2014-10-24 2017-01-25 广州市贺氏办公设备有限公司 一种可以自动调节灰度的高速条码扫描仪

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047617A (en) * 1982-01-25 1991-09-10 Symbol Technologies, Inc. Narrow-bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols
JPS59128674A (ja) * 1983-01-13 1984-07-24 Idec Izumi Corp レ−ザ−バ−コ−ドスキヤナ
US4560862A (en) * 1983-04-26 1985-12-24 Skan-A-Matic Corp. System for optical scanning over a large depth of field
EP0367298B1 (de) * 1985-02-28 1992-07-22 Symbol Technologies, Inc. Tragbarer Abtastkopf mit Laserdiode
US4897532A (en) * 1985-02-28 1990-01-30 Symbol Technologies, Inc. Portable laser diode scanning head
US4916318A (en) * 1986-12-16 1990-04-10 Asahi Kogaku Kogyo K.K. Scan type optical reader with changing beam waist position
US4871904A (en) * 1987-12-28 1989-10-03 Symbol Technologies, Inc. Multidirectional optical scanner
US5151580A (en) * 1990-08-03 1992-09-29 Symbol Technologies, Inc. Light emitting diode scanner

Also Published As

Publication number Publication date
DE69321039T2 (de) 1999-05-20
TW247951B (de) 1995-05-21
KR940001001A (ko) 1994-01-10
CN1036223C (zh) 1997-10-22
ES2121033T3 (es) 1998-11-16
DE69321039D1 (de) 1998-10-22
EP0575894A2 (de) 1993-12-29
EP0575894B1 (de) 1998-09-16
EP0575894A3 (de) 1994-03-02
US5272353A (en) 1993-12-21
JPH0689360A (ja) 1994-03-29
CN1080074A (zh) 1993-12-29

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