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Laser scanning bar code symbol reader employing variable passband filter structures having frequency response characteristics controlled by time-measurement of laser-scanned bar code symbol elements 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-007/10
출원번호 US-0435606 (2003-05-09)
발명자 / 주소
  • Lucera,Mark
  • Check,Frank
  • Knowles,C. Harry
  • Zhu,Xiaoxun
  • Dickson,LeRoy
출원인 / 주소
  • Metrologic Instruments, Inc.
인용정보 피인용 횟수 : 4  인용 특허 : 41

초록

초록이 없습니다.

대표청구항

대표청구항이 없습니다.

이 특허에 인용된 특허 (41)

  1. Sanner Medford D. (Irving TX), Ambient illumination bar code reader.
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  2. Olmstead Bryan, Bar code reader with multi-focus lens.
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  3. Barkan Edward, Bar code reader with multiple sensitivity modes using variable thresholding comparisons.
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  4. Metlitsky Boris (Stony Brook NY) Katz Joseph (Stony Brook NY) Marom Emanuel (Tel Aviv ILX) Gousgounis Dean (Commack NY), Barcode scanner using an array of light emitting elements which are selectively activated.
    상세보기
  5. Check, Frank; Dickson, LeRoy; Groot, John; Good, Timothy, Bioptical holographic laser scanning system.
    상세보기
  6. Kusakabe Susumu (Kanagawa JPX), Data transfer system.
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  7. Pavlidis Theodosios (Setauket NY) Cai Joseph (Bohemia NY), Decoding bar code symbols by determining the best alignment of partial scans.
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  8. Barkan Edward (Miller Place NY) Bridgelall Raj (Mt. Sinar NY), Digitizer circuit for a bar code reader.
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  9. Bridgelall Raj (Mt. Sinai NY) Barkan Edward (Miller Place NY), Digitizing circuit for a laser scanner including positive peak detectors.
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  10. Plas Patrick (Paris FRX), Dual bus access network having a pair of virtual circuits.
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  11. Colley James E. ; O'Donnell Patrick M., Electronic edge detection system using a second derivative signal processor.
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  12. Broockman Eric C. (Raleigh NC) Cato Robert T. (Raleigh NC) Gregory ; Jr. William D. (Cary NC) Laurer George J. (Wendell NC), Halographic scanner having adjustable sampling rate.
    상세보기
  13. Dorris, R. Monroe; Amundsen, Thomas; Dickson, LeRoy; Smith, Nancy A., Holographic laser scanning method and system employing visible scanning-zone indicators identifying a three-dimensional omni-directional laser scanning volume for package transport navigation.
    상세보기
  14. Chan Jane ; Goren David ; Kuchenbrod Harry ; Serbin Gary ; Shellhammer Stephen ; Spitz Glenn, Interface between threshold processing digitizer for bar code reader.
    상세보기
  15. Amundsen Thomas (Turnersville NJ) Blake Robert (Woodbury NJ) Rockstein George (Audubon NJ) Wilz ; Sr. David (Sewell NJ) Knowles Carl H. (Moorestown NJ), Laser code symbol scanner employing optical filtering system having narrow band-pass characteristics and spatially separ.
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  16. Arends Thomas C. (Eugene OR) Elliott Randy D. (Eugene OR), Method and apparatus for detecting transitions in a time sampled input signal.
    상세보기
  17. Arends Thomas C. ; Elliott Randy D., Method and apparatus for detecting transitions in an input signal.
    상세보기
  18. Arends Thomas C. ; Elliott Randy D., Method and apparatus for determining transitions between relatively high and low levels in an input signal.
    상세보기
  19. Arackellian Kevork G. (Everett WA), Method and apparatus for maintaining a scanning optical path length within a predetermined range.
    상세보기
  20. Cherry Craig D. (Eugene OR) Dieball Donald D. (Springfield OR), Method and apparatus for recognizing and assembling optical code information from partially scanned segments.
    상세보기
  21. Cherry Craig D. (Eugene OR), Method and system for control of a bar code scanner threshold.
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  22. Reddersen Brad R. (Eugene OR) Arends Thomas C. (Eugene OR), Multiple focus optical system for data reading applications.
    상세보기
  23. Rando Joseph F., Multiple window scanner and method for multiple focal distance reading.
    상세보기
  24. Shepard Howard M (Great River NY) Barkan Edward D. (South Setauket NY) Swartz Jerome (Stonybrook NY), Narrow bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols.
    상세보기
  25. Shepard Howard M. (Great River NY) Barkan Edward D. (South Setauket NY) Swartz Jerome (Stonybrook NY), Narrow-bodied, single-and twin-windowed portable laser scanning head for reading bar code symbols.
    상세보기
  26. Sanner, Medford D.; McWaters, Lynn D., OCR and bar code reader with optimized sensor.
    상세보기
  27. Arends Thomas C. (Eugene OR) Colley James E. (Eugene OR) Loris Blaine F. (Eugene OR) Peterson Donald S. (Philomath OR) Ring James W. (Eugene OR) Schler Matt D. (Eugene OR), Optical processing system.
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  28. Roustaei Alexander R., Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field.
    상세보기
  29. Broockman Eric C. (Raleigh NC) Cato Robert T. (Raleigh NC) Dickson LeRoy D. (Raleigh NC), Optical scanner having multiple, simultaneous scan lines with different focal lengths.
    상세보기
  30. Rudeen Robert W. (Eugene OR), Optical system for data reading having wide range of focus.
    상세보기
  31. Mark G. Lucera ; C. Harry Knowles ; Xiaoxun Zhu, 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 L.
    상세보기
  32. Reddersen Brad R. ; Gummeson Phillip C. ; Loris Blaine F. ; Elliott Randy D. ; Ketelsleger Kimberly A. ; Kenyon Roger M., Scanner assembly.
    상세보기
  33. Arends Thomas C. ; Elliott Randy D., Signal conditioning for variable focus optical reader.
    상세보기
  34. Elliott Randy D. (Eugene OR) Loris Blaine F. (Eugene OR), Signal processing apparatus and method.
    상세보기
  35. Hebert Raymond T. (Saratoga CA) Ekstrand John P. (Palo Alto CA), Signal processor method and apparatus.
    상세보기
  36. Beigel Michael L. (Corona CA), Signal transmission and tag reading circuit for an inductive reader.
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  37. Broockman Eric C. (Raleigh NC) Cato Robert T. (Raleigh NC) Laurer George J. (Raleigh NC), System for adjusting holographic scanner lockout voltage.
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  38. Eastman, Jay M.; Boles, John A., System for optical scanning over a large depth of field.
    상세보기
  39. Metlitasky Boris ; Swartz Jerome ; Barkan Edward, System for reading data on different planes of focus based on reflected light.
    상세보기
  40. Rudeen Robert W. (Eugene OR), Variable focus optical system for data reading.
    상세보기
  41. Rudeen Robert W. (Eugene OR) Arends Thomas C. (Eugene OR), Variable focus optical system for data reading.
    상세보기

이 특허를 인용한 특허 (4)

  1. Smith, Taylor; Hernandez, Mark, Method and apparatus for reading optical indicia using a plurality of data sources.
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  2. Smith, Taylor; Hernandez, Mark, Method and apparatus for reading optical indicia using a plurality of data sources.
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  3. Smith, Taylor; Hernandez, Mark, Method and apparatus for reading optical indicia using a plurality of data sources.
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  4. Bhagwan, Varun; Liu, Timothy; Ormont, Justin; Underwood, Heather, Noise removal from color barcode images.
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