IT7823048A0 - Apparecchiatura di analisi di documenti opachi. - Google Patents

Apparecchiatura di analisi di documenti opachi.

Info

Publication number
IT7823048A0
IT7823048A0 IT7823048A IT2304878A IT7823048A0 IT 7823048 A0 IT7823048 A0 IT 7823048A0 IT 7823048 A IT7823048 A IT 7823048A IT 2304878 A IT2304878 A IT 2304878A IT 7823048 A0 IT7823048 A0 IT 7823048A0
Authority
IT
Italy
Prior art keywords
analysis equipment
document analysis
opaque document
opaque
equipment
Prior art date
Application number
IT7823048A
Other languages
English (en)
Other versions
IT1109170B (it
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7823048A0 publication Critical patent/IT7823048A0/it
Application granted granted Critical
Publication of IT1109170B publication Critical patent/IT1109170B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
  • Facsimile Scanning Arrangements (AREA)
IT23048/78A 1977-05-18 1978-05-05 Apparecchiatura di analisi di documenti opachi IT1109170B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/798,042 US4113343A (en) 1977-05-18 1977-05-18 Holographic opaque document scanner

Publications (2)

Publication Number Publication Date
IT7823048A0 true IT7823048A0 (it) 1978-05-05
IT1109170B IT1109170B (it) 1985-12-16

Family

ID=25172378

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23048/78A IT1109170B (it) 1977-05-18 1978-05-05 Apparecchiatura di analisi di documenti opachi

Country Status (7)

Country Link
US (1) US4113343A (it)
JP (1) JPS6038688B2 (it)
CA (1) CA1099964A (it)
DE (1) DE2821496A1 (it)
FR (1) FR2391501A1 (it)
GB (1) GB1595368A (it)
IT (1) IT1109170B (it)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1091966A (en) * 1976-10-15 1980-12-23 Chiaki Kojima Apparatus for reading signals recorded on a record carrier
JPS54104849A (en) * 1978-02-03 1979-08-17 Nec Corp Light beam scanner
US4243293A (en) * 1978-07-03 1981-01-06 Xerox Corporation Holographic scanner insensitive to mechanical wobble
US4353615A (en) * 1978-07-03 1982-10-12 Xerox Corporation Dynamic mounting for holographic spinners
US4224509A (en) * 1978-10-19 1980-09-23 Ncr Corporation Holographic scanning system
JPS55155321A (en) * 1979-05-22 1980-12-03 Nec Corp Optical reading method and optical reader
US4289371A (en) * 1979-05-31 1981-09-15 Xerox Corporation Optical scanner using plane linear diffraction gratings on a rotating spinner
JPS56103767A (en) * 1980-01-11 1981-08-19 Fujitsu Ltd Information reader
JPS572018A (en) * 1980-06-06 1982-01-07 Fujitsu Ltd Light scanner
JPS58181014A (ja) * 1982-04-16 1983-10-22 Fuji Photo Film Co Ltd 光ビ−ム走査装置
US5545889A (en) * 1985-02-28 1996-08-13 Swartz; Jerome Portable laser diode scanning head
US5075538A (en) * 1985-02-28 1991-12-24 Symbol Technologies Inc. Portable laser diode scanning head
KR920010837B1 (ko) * 1988-09-30 1992-12-19 주식회사 금성사 레이저 프린터용 홀로그래피 주사장치
US5151580A (en) * 1990-08-03 1992-09-29 Symbol Technologies, Inc. Light emitting diode scanner
US5486944A (en) * 1989-10-30 1996-01-23 Symbol Technologies, Inc. Scanner module for symbol scanning system
US5635697A (en) * 1989-03-01 1997-06-03 Symbol Technologies, Inc. Method and apparatus for decoding two-dimensional bar code
US5304786A (en) * 1990-01-05 1994-04-19 Symbol Technologies, Inc. High density two-dimensional bar code symbol
US5408081A (en) * 1989-06-16 1995-04-18 Symbol Technologies, Inc. Digital circuit for a laser scanner using a first derivative signal and a comparison signal
US5612531A (en) * 1993-03-08 1997-03-18 Symbol Technologies, Inc. Bar code reader with multiple sensitivity modes using variable thresholding comparisons
US5446272A (en) * 1989-06-16 1995-08-29 Symbol Technologies, Inc. System for digitizing a scanned signal indicating changes in signal intensity
US5268564A (en) * 1990-08-03 1993-12-07 Symbol Technologies, Inc. Bar code scanner actuated by detection of scanner motion
US5136147A (en) * 1990-08-27 1992-08-04 Symbol Technologies, Inc. Light emitting diode scanner
DE4205674A1 (de) * 1992-02-25 1992-08-27 Eta Optik Ges Fuer Optische Me Dynamische lichtablenkende anordnung (scanner) zur erzeugung eines lichtpunktes, der eine gerade linie abtastet
US7051922B2 (en) * 1994-08-17 2006-05-30 Metrologic Instruments, Inc. Compact bioptical laser scanning system
US6199759B1 (en) * 1994-08-17 2001-03-13 Metrologic Instruments, Inc. Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency
US6547144B1 (en) 1994-08-17 2003-04-15 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out light collection operations with improved light collection efficiency
US6085978A (en) * 1994-08-17 2000-07-11 Metrologic Instruments, Inc. Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same
US6158659A (en) 1994-08-17 2000-12-12 Metrologic Instruments, Inc. Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes
US6758402B1 (en) * 1994-08-17 2004-07-06 Metrologic Instruments, Inc. Bioptical holographic laser scanning system
US6003772A (en) * 1994-08-17 1999-12-21 Metrologic Instruments, Inc. Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations
US6006993A (en) * 1994-08-17 1999-12-28 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency
US6073846A (en) * 1994-08-17 2000-06-13 Metrologic Instruments, Inc. Holographic laser scanning system and process and apparatus and method
US6619550B1 (en) 1995-12-18 2003-09-16 Metrologic Instruments, Inc. Automated tunnel-type laser scanning system employing corner-projected orthogonal laser scanning patterns for enhanced reading of ladder and picket fence oriented bar codes on packages moving therethrough
US6124585A (en) * 1998-10-27 2000-09-26 Umm Electronics, Inc. Apparatus for measuring the reflectance of strips having non-uniform color
US7167615B1 (en) 1999-11-05 2007-01-23 Board Of Regents, The University Of Texas System Resonant waveguide-grating filters and sensors and methods for making and using same
JP4330762B2 (ja) 2000-04-21 2009-09-16 富士フイルム株式会社 マルチビーム露光装置
US7542188B2 (en) * 2004-01-20 2009-06-02 National University Of Singapore Optical scanning using vibratory diffraction gratings

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940202A (en) * 1971-12-31 1976-02-24 Matsushita Electric Industrial Co., Ltd. Light beam deflection system
US3951509A (en) * 1973-04-17 1976-04-20 Fuji Photo Film Co., Ltd. Apparatus for deflecting light and scanning line conversion system
JPS5845003B2 (ja) * 1973-09-07 1983-10-06 富士写真フイルム株式会社 レ−ザコウヘンコウコウカクソウチ
JPS568356B2 (it) * 1973-10-04 1981-02-23
JPS5922992B2 (ja) * 1977-03-24 1984-05-30 富士通株式会社 情報読取装置

Also Published As

Publication number Publication date
JPS53142256A (en) 1978-12-11
IT1109170B (it) 1985-12-16
GB1595368A (en) 1981-08-12
DE2821496A1 (de) 1978-11-23
FR2391501A1 (fr) 1978-12-15
US4113343A (en) 1978-09-12
JPS6038688B2 (ja) 1985-09-02
FR2391501B1 (it) 1980-10-31
CA1099964A (en) 1981-04-28

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