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    OPTICAL PATH OF SCANNER IN COMPACT BAR CODE READER
    13.
    发明专利
    OPTICAL PATH OF SCANNER IN COMPACT BAR CODE READER 失效

    公开(公告)号：JP2000199869A

    公开(公告)日：2000-07-18

    申请号：JP2000000087

    申请日：2000-01-04

    Applicant: SYMBOL TECHNOLOGIES INC

    Inventor： DVORKIS PAUL ,  BARKAN EDWARD

    IPC: G02B26/10 ,  G06K7/10 ,  G06K7/14

    Abstract: PROBLEM TO BE SOLVED: To provide a module which is easily produced and inexpensively easily assembled by decreasing the dimension and the weight of component parts used to perform scanning operation by a light beam and condense reflected light and developing a compact and light-weight electrooptical scanning system. SOLUTION: The reverse reflection type optical scanning module of the bar code reader equipped with a window part is provided with a light source part 18 directing a light beam 16 to a code to be read, and an optical assembly having a condensing part condensing the light on a sensor 40 along the optical path and directing it again. The optical axis of the condensing part is deviated from the optical axis of the emitted light beam so that the emitted light partially reflected by the window part of the reader may not irradiate the sensor.

    BAR CODE READER FOR PORTABLE COMPUTER
    14.
    发明专利
    BAR CODE READER FOR PORTABLE COMPUTER 失效

    公开(公告)号：JPH11328121A

    公开(公告)日：1999-11-30

    申请号：JP7899299

    申请日：1999-03-24

    Applicant: SYMBOL TECHNOLOGIES INC

    Inventor： BARKAN EDWARD ,  LERT JOHN ,  BARD SIMON

    IPC: G06F15/02 ,  G06K7/10

    Abstract: PROBLEM TO BE SOLVED: To reinforce the ability of a computer by providing a data gathering module with a processor for processing data read by a bar code reader and an interface for connection with a computer interface. SOLUTION: A grip or trigger 24 projected downwards from the lower surface of a receiving base is provided, and when a user holds the trigger 24, a scanning window is directed to a front part. Then, the receiving base is provided with a scanning engine and the required beam generation, detection and scanning components of the scanning engine are incorporated inside the processor 30 and a scanner 34 together with a decoder and a scanner driver. Further, a visual display device like a light emitting diode 38 and a terminal interface 36 for the connection with the computer interface are incorporated inside the receiving base and the data of a bar code read by the scanner 34 are processed in the processor 30.

    DEVICE AND METHOD FOR CONFIRMING NONCONTACT BAR CODE LABEL
    15.
    发明专利
    DEVICE AND METHOD FOR CONFIRMING NONCONTACT BAR CODE LABEL 失效

    公开(公告)号：JPH04284586A

    公开(公告)日：1992-10-09

    申请号：JP24787191

    申请日：1991-09-26

    Applicant: SYMBOL TECHNOLOGIES INC

    Inventor： HARDESTY JOHN ,  BARKAN EDWARD ,  BARKAN CHRISTINA ,  FLETCHER DEAN ,  ALMEIDA TIMOTHY

    IPC: G06K5/00 ,  G06K7/10 ,  G06K7/14 ,  G06K19/06

    Abstract: PURPOSE: To provide a non-contact bar code confirming device which can be carried, easily used, and obtained with relatively low costs by expressing a reflectance state at the plural points of each target label and calibration by reflectance data. CONSTITUTION: A light reflected from a bar code label is detected by a scanning means arranged in a scanning module 105 behind a scanning window 125. A normal signal processing is locally operated by the scanning module 105 and a unit 110, and data points in 28 rows are generated. Each row is made correspond to the binary digital display of the light reflected from the bar code label during one time of emitter means sweep. The binary digital signal is converted into a time base count with a relative detection transition width by the unit 110. That is, a clocking digitizer generates an individual data point corresponding to a detecting time interval between reflectance level transition parts.

    Compact scan module with magnetically centered scan mirror
    16.
    发明专利
    Compact scan module with magnetically centered scan mirror 有权
    具有磁性中心扫描镜的紧凑型扫描模块

    公开(公告)号：JP2003029195A

    公开(公告)日：2003-01-29

    申请号：JP2001369571

    申请日：2001-12-04

    Applicant: Symbol Technologies Inc ,  シンボル テクノロジーズ インコーポレイテッド

    Inventor： BARKAN EDWARD ,  SHEPARD HOWARD M ,  DRZYMALA MARK E

    IPC: G02B26/10 ,  G06K7/10

    CPC classification number: G06K7/10643

    Abstract: PROBLEM TO BE SOLVED: To provide a scan module which is used for the purpose of requiring a compact reader. SOLUTION: A non-retroreflective compact scan module in an electro-optical reader includes a laser light source, a photosensor, and an electromagnetic coil which are mounted at one surface of a printed circuit board. The laser emits a laser beam perpendicular to the board and is redirected to an oscillatable sac mirror, which is magnetically centered to a rest position, when the coil is de-energized.

    Abstract translation: 要解决的问题：提供用于要求小型读取器的扫描模块。 解决方案：电光读取器中的非回归紧凑型扫描模块包括安装在印刷电路板的一个表面上的激光光源，光电传感器和电磁线圈。 激光器发射垂直于电路板的激光束，并且当线圈断电时，该激光束被重定向到可振荡的镜子，该镜子以静止位置为中心。

    COMPACT SCANNING MODULE HAVING MAGNETIC CENTERING TYPE SCANNING MIRROR
    17.
    发明专利
    COMPACT SCANNING MODULE HAVING MAGNETIC CENTERING TYPE SCANNING MIRROR 审中-公开

    公开(公告)号：JP2002333595A

    公开(公告)日：2002-11-22

    申请号：JP2002105506

    申请日：2002-04-08

    Applicant: SYMBOL TECHNOLOGIES INC

    Inventor： BARKAN EDWARD ,  SHEPARD HOWARD M ,  DRZYMALA MARK E

    IPC: G02B26/10 ,  G06K7/10

    Abstract: PROBLEM TO BE SOLVED: To provide a scanning module used for applications requiring a compact reader. SOLUTION: The non-retroreflective compact scanning module of an electro- optic reader includes a laser beam source attached to one surface of a printed circuit board, a photosensor and a electromagnetic coil. The laser emits the laser beam perpendicularly to the circuit board and when the coil is degaussed, the laser beam is directed again to the oscillatable scanning mirror which magnetically comes to a central position of rest.

    BEAM SHAPING FOR OPTICAL SCANNER
    18.
    发明专利
    BEAM SHAPING FOR OPTICAL SCANNER 失效

    公开(公告)号：JPH0855178A

    公开(公告)日：1996-02-27

    申请号：JP16315495

    申请日：1995-06-29

    Applicant: SYMBOL TECHNOLOGIES INC

    Inventor： DVORKIS PAUL ,  BARKAN EDWARD ,  METLITSKY BORIS

    IPC: G02B26/10 ,  G06K5/00 ,  G06K7/10 ,  G06K7/14 ,  G06K19/06 ,  H01S3/17 ,  H01S5/00 ,  H01S3/18

    Abstract: PURPOSE: To provide a simple and inexpensive means for adjusting the profile (width at a specified distance from a light source) of a beam in the direction of 'y' as in a desired way. CONSTITUTION: The optical scanner such as a bar code scanner contains a laser diode and generates a scanning laser beam. The laser diode has astigmatism on a characteristic. When the beam 18 passes through a lens having rotational symmetry, the beam 18 is contracted in the direction of 'x' (scanning direction) and the direction of 'y' (right angled direction). The width of the outline of the beam in the direction of 'x' is adjusted by a conventional lens. The width of the outline of the beam in the direction of 'y' is adjusted by using a non-planar mirror, a cylindrical mirror 200 if desired, as a rotary or rocking element.

    APPARATUS AND METHOD FOR NON-LASER SCANNING
    19.
    发明专利
    APPARATUS AND METHOD FOR NON-LASER SCANNING 失效

    公开(公告)号：JPH04260985A

    公开(公告)日：1992-09-16

    申请号：JP19401391

    申请日：1991-08-02

    Applicant: SYMBOL TECHNOLOGIES INC

    Inventor： METLITSKY BORIS ,  SWARTZ JEROME ,  BARKAN EDWARD ,  SHEPARD HOWARD ,  GOREN DAVID ,  BIUSO TONY

    IPC: G02B26/10 ,  G06K7/10

    Abstract: PURPOSE: To provide a highly practical and reliable and inexpensive hand-carry type scanning device for using a non-laser light source without errors. CONSTITUTION: A light beam is radiated from a light emitting diode so as to read a symbol, a bar code symbol for instance, and reflected light returned from the symbol is received. An optical system inside this scanning device converges the visual field of the light beam 11 and a photosensor 17 to different two planes present at the outside of a housing. A device for image-forming a vision checking window is installed inside the scanning device and the area of the vision checking window is smaller than the one of a scanning spot. The scanning device uses the light emitting diode (LED) 10 as the light source, and since the LED 10 views only the part of the scanning spot viewable through the vision checking window, the scanning spot of the relatively large size (about several millimeters) of the LED 10 is used without sacrificing read performance.

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