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1. 发明授权

US6029894A Optical filtering system for a laser bar code scanner having narrow band-pass characteristics with spatially separated filtering elements 失效
标题翻译：用于激光条形码扫描器的光学滤波系统，具有窄带通特性和空间分离的滤波元件
公开(公告)号：US6029894A
公开(公告)日：2000-02-29
申请号：US258005
申请日：1999-02-26
申请人： Thomas Amundsen , Robert Blake , George Rockstein , David M. Wilz, Sr. , Carl H. Knowles
发明人： Thomas Amundsen , Robert Blake , George Rockstein , David M. Wilz, Sr. , Carl H. Knowles
IPC分类号： G02B26/10 , G06K7/10 , G06K7/14 , G06K17/00
CPC分类号： G06K7/10891 , G02B26/106 , G06K17/0022 , G06K7/10564 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10851 , G06K7/10861 , G06K7/10881 , G06K7/14 , G06K7/1443 , G06K2207/1012 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： A laser bar code symbol scanner employing a narrow band-pass optical filtering system of novel construction is disclosed. A first optical filtering element is installed in the light transmission aperture of a bar code scanner housing. A second optical filtering element is installed inside the scanner housing near the light detecting element. The first and second optical filtering elements have wavelength selective properties such that taken together they cooperate to form a narrow wavelength band-pass optical filtering system which allows only transmission of light at and around a certain predetermined wavelength into the photodetector element. The present invention also hides aesthetically unappealing electro-optical components mounted in the scanner housing from plain view and the optical filtering elements of the system can be easily and inexpensively manufactured without compromising the performance of the scanner.
摘要翻译：公开了采用新颖结构的窄带通光学滤波系统的激光条码符号扫描仪。第一光学过滤元件安装在条形码扫描器壳体的光传输孔中。第二光学滤光元件安装在扫描器壳体内部，靠近光检测元件。第一和第二光学滤波元件具有波长选择性，使得它们合在一起形成窄波长带通光学滤波系统，其仅允许在某一预定波长处和周围的光的透射进入光电检测器元件。本发明还从平面的角度隐藏安装在扫描仪外壳中的美观的电光部件，并且可以容易且廉价地制造系统的光学滤光元件而不损害扫描仪的性能。

2. 发明授权

US06209789B1 Optical filtering system for a laser bar code scanner having narrow band-pass characteristics employing spatially separated filtering elements including a scanner window 失效
标题翻译：用于激光条形码扫描器的光学滤波系统，其具有采用包括扫描仪窗口的空间分离的滤波元件的窄带通特性
公开(公告)号：US06209789B1
公开(公告)日：2001-04-03
申请号：US09436742
申请日：1999-11-09
申请人： Thomas Amundsen , Robert Blake , George Rockstein , David M. Wilz, Sr. , Carl H. Knowles
发明人： Thomas Amundsen , Robert Blake , George Rockstein , David M. Wilz, Sr. , Carl H. Knowles
IPC分类号： G06K710
CPC分类号： G06K7/10891 , G02B26/106 , G06K7/10564 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10851 , G06K7/10861 , G06K7/10881 , G06K7/14 , G06K7/1443 , G06K17/0022 , G06K2207/1012 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： A novel optical filtering system for a laser bar code scanner having narrow band-pass characteristics is disclosed. The optical filtering system has two different optical filtering elements which are disposed in a scanner housing in a spatially separate relationship. One of the optical filtering elements is positioned inside of the scanner housing in front of and close to the light detection element. The other optical filtering element is positioned in the light transmission aperture of the scanner housing and forms the scanning window. The optical filtering characteristics of the scanning window obscure the internal components of the scanner from plain view making the scanner appear more aesthetically pleasing. Together the optical filtering element cooperate to form a narrow-band pass filter to provide for better light collection and scanning.
摘要翻译：公开了一种用于具有窄带通特性的激光条码扫描器的新型光学滤波系统。光学滤波系统具有两个不同的光学滤波元件，其以空间上分离的关系设置在扫描仪外壳中。光学滤波元件中的一个位于扫描器壳体的内部并且靠近光检测元件。另一个光学滤光元件位于扫描器外壳的光传输孔中并形成扫描窗。扫描窗口的光学滤波特性从平面视图遮蔽扫描仪的内部组件，使扫描仪看起来更美观。光学滤波器组合在一起形成窄带通滤波器，以提供更好的光采集和扫描。

3. 发明授权

US5627359A Laser code symbol scanner employing optical filtering system having narrow band-pass characteristics and spatially separated optical filter elements with laser light collection optics arranged along laser light return path disposed therebetween 失效
标题翻译：激光代码符号扫描器采用具有窄带通特性的光学滤波系统和具有激光收集光学器件的空间分离的滤光器元件，沿着激光返回路径布置在其间
公开(公告)号：US5627359A
公开(公告)日：1997-05-06
申请号：US439224
申请日：1995-05-11
申请人： Thomas Amundsen , Robert Blake , George Rockstein , David Wilz, Sr. , Carl H. Knowles
发明人： Thomas Amundsen , Robert Blake , George Rockstein , David Wilz, Sr. , Carl H. Knowles
IPC分类号： G02B26/10 , G06K7/10 , G06K7/14 , G06K17/00
CPC分类号： G06K7/10891 , G02B26/106 , G06K17/0022 , G06K7/10564 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10851 , G06K7/10861 , G06K7/10881 , G06K7/14 , G06K7/1443 , G06K2207/1012 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： A laser bar code symbol scanner embodying a narrow band-pass optical filtering system of novel construction. A first optical filter element is installed over the light transmission aperture of the scanner housing, and has wavelength selective properties which transmit only light having wavelengths from slightly below a predetermined wavelength in the visible band of the electromagnetic spectrum (e.g., greater than slightly below 670 nanometers). A second optical filter element is installed within the housing, along the focused laser return light path between the light focusing element and the light detecting element, and transmits only light having wavelengths from slightly above the predetermined wavelength (e.g., less than slightly above 670 nanometers). Collectively, the first and second optical filter elements cooperate to form a narrow wavelength band-pass filtering system centered about the predetermined wavelength, providing improved signal-to-noise ratio. As a result of the present invention, aesthetically unappealing electro-optical components mounted within the scanner housing are hidden from plain view, while the optical filtering elements of the system can be easily and inexpensively manufactures and used without compromising the signal-to-noise ratio performance of the laser scanner.
摘要翻译：一种激光条形码符号扫描仪，体现了一种新型结构的窄带通滤光系统。第一滤光器元件安装在扫描器外壳的光传输孔的上方，并且具有波长选择性，其仅透射具有在电磁光谱的可见光带内略微低于预定波长的波长的光（例如，大于略低于670 纳米）。第二滤光器元件沿着聚光元件和光检测元件之间的聚焦激光返回光路安装在壳体内，并且仅透射具有略高于预定波长的波长的光（例如，小于略高于670纳米）。总的来说，第一和第二滤光器元件协作以形成以预定波长为中心的窄波长带通滤波系统，从而提供改善的信噪比。作为本发明的结果，安装在扫描仪外壳内的美学上不吸引人的电光学部件被隐藏起来，而平面图则可以容易且廉价地制造和使用系统的光学滤波元件而不损害信噪比激光扫描仪的性能。

4. 发明授权

US5789731A Laser code symbol scanner employing optical filtering system having narrow pass-band characteristics and spatially-separated optical filter elements with laser light collection optics arranged along laser light return path disposed therebetween 失效
标题翻译：激光代码符号扫描器采用具有窄通带特性的光学滤波系统和具有激光收集光学器件的空间分离的滤光器元件，沿着激光回收路径布置
公开(公告)号：US5789731A
公开(公告)日：1998-08-04
申请号：US847580
申请日：1997-04-24
申请人： Thomas Amundsen , Robert Blake , George Rockstein , David Wilz, Sr. , Carl H. Knowles
发明人： Thomas Amundsen , Robert Blake , George Rockstein , David Wilz, Sr. , Carl H. Knowles
IPC分类号： G02B26/10 , G06K7/10 , G06K7/14 , G06K17/00
CPC分类号： G06K7/10891 , G02B26/106 , G06K17/0022 , G06K7/10564 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10851 , G06K7/10861 , G06K7/10881 , G06K7/14 , G06K7/1443 , G06K2207/1012 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： A laser bar code symbol scanner embodying a narrow band-pass optical filtering system of novel construction. A first optical filter element is installed over the light transmission aperture of the scanner housing, and has wavelength selective properties which transmit only light having wavelengths from slightly below a predetermined wavelength in the visible band of the electromagnetic spectrum (e.g., greater than slightly below 670 nanometers). A second optical filter element is installed within the housing, along the focused laser return light path between the light focusing element and the light detecting element, and transmits only light having wavelengths from slightly above the predetermined wavelength (e.g., less than slightly above 670 nanometers). Collectively, the first and second optical filter elements cooperate to form a narrow wavelength band-pass filtering system centered about the predetermined wavelength, providing improved signal-to-noise ratio. As a result of the present invention, aesthetically unappealing electro-optical components mounted within the scanner housing are hidden from plain view, while the optical filtering elements of the system can be easily and inexpensively manufactures and used without compromising the signal-to-noise ratio performance of the laser scanner.
摘要翻译：一种激光条形码符号扫描仪，体现了一种新型结构的窄带通滤光系统。第一滤光器元件安装在扫描器外壳的光传输孔的上方，并且具有波长选择性，其仅透射具有在电磁光谱的可见光带内略微低于预定波长的波长的光（例如，大于略低于670 纳米）。第二滤光器元件沿着聚光元件和光检测元件之间的聚焦激光返回光路安装在壳体内，并且仅透射具有略高于预定波长的波长的光（例如，小于略高于670纳米）。总的来说，第一和第二滤光器元件协作以形成以预定波长为中心的窄波长带通滤波系统，从而提供改善的信噪比。作为本发明的结果，安装在扫描仪外壳内的美学上不吸引人的电光学部件被隐藏起来，而平面图则可以容易且廉价地制造和使用系统的光学滤波元件而不损害信噪比激光扫描仪的性能。

5. 发明授权

US06860427B1 Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume 失效
标题翻译：自动光学投影扫描仪，用于在限定的扫描体积内全方位读取条形码符号
公开(公告)号：US06860427B1
公开(公告)日：2005-03-01
申请号：US10314614
申请日：2002-12-09
申请人： Mark C. Schmidt , George B. Rockstein , David M. Wilz, Sr. , Carl H. Knowles
发明人： Mark C. Schmidt , George B. Rockstein , David M. Wilz, Sr. , Carl H. Knowles
IPC分类号： G02B26/10 , G06K7/10 , G06K7/14 , G06K17/00 , G07G1/00
CPC分类号： G06K7/10871 , G02B26/10 , G02B26/106 , G06K7/10 , G06K7/10564 , G06K7/10584 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10673 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10811 , G06K7/10851 , G06K7/10861 , G06K7/10881 , G06K7/10891 , G06K7/109 , G06K7/14 , G06K7/1443 , G06K17/0022 , G06K2207/1012 , G06K2207/1013 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018 , G07F11/002 , G07G1/0045
摘要： An automatic scanner which can be used at a point-of-sale (POS) station. The scanner provides a confined scanning volume, so as to avoid unintentional scanning of nearby objects that are located outside of this confined scanning volume. This scanner can be operated in an automatic hands-on mode of operation, or also operated as a stationary laser projection scanner in an automatic hands-free mode of operation. A collimated scanning pattern is projected from the hand-supportable device about a projection axis. The collimated scanning pattern intersects the projection axis within a narrowly confined scanning volume so that bar code symbols disposed within this scanning volume can be read omnidirectionally.
摘要翻译：可在销售点（POS）站使用的自动扫描仪。扫描仪提供有限的扫描体积，以避免意外扫描位于该受限扫描体外的附近物体。该扫描仪可以在自动手动操作模式下操作，或者在自动免提操作模式下作为固定式激光投影扫描仪操作。从手持设备绕投影轴投影准直扫描图案。准直扫描图案在狭窄限制的扫描体积内与投影轴相交，从而可以全方位地读取设置在该扫描体积内的条形码符号。

6. 发明授权

US06688527B2 Bar code scanning system with wireless communication links 失效
标题翻译：具有无线通信链路的条码扫描系统
公开(公告)号：US06688527B2
公开(公告)日：2004-02-10
申请号：US09824122
申请日：2001-04-02
申请人： Carl H. Knowles , George B. Rockstein , David M. Wilz, Sr. , Stephen J. Colavito , Gennady Germaine
发明人： Carl H. Knowles , George B. Rockstein , David M. Wilz, Sr. , Stephen J. Colavito , Gennady Germaine
IPC分类号： G06K710
CPC分类号： G02B26/106 , G06K7/10 , G06K7/10564 , G06K7/10584 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10673 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10811 , G06K7/10851 , G06K7/10861 , G06K7/10871 , G06K7/10881 , G06K7/10891 , G06K7/109 , G06K7/14 , G06K7/1443 , G06K17/0022 , G06K2007/10534 , G06K2207/1012 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： A code symbol reading device includes a portable housing that contains a source of optical energy. This optical energy is projected into a scan field external to the housing and is incident upon a code symbol situated on an object located within the scan field. Optical energy reflected off the code symbol is detected within the housing to produce scan data that is indicative of the detected optical energy. The scan data is processed to detect and decode the code symbol and to produce symbol character data that are representative of the decoded code symbol. A data packet utilizing the symbol character data is constructed and then used to modulate an electromagnetic carrier signal that is transmitted to a base unit. At the base unit, the carrier signal is demodulated and the data packet is recovered. The received data packet is processed to recover the symbol character data, and an acknowledgment signal is generated to acknowledge the receipt of the symbol character data at the base unit.
摘要翻译：代码符号读取装置包括容纳光能源的便携式外壳。该光能被投射到壳体外部的扫描场中，并入射到位于扫描场内的物体上的代码符号。在外壳内检测出代码符号反射的光能，以产生指示检测到的光能的扫描数据。处理扫描数据以检测和解码代码符号并产生代表解码的代码符号的符号字符数据。构造利用符号字符数据的数据包，然后用于调制发送到基本单元的电磁载波信号。在基本单元处，载波信号被解调并且数据包被恢复。处理所接收的数据分组以恢复符号字符数据，并产生确认信号以确认基本单元处的符号字符数据的接收。

7. 发明授权

US06499664B2 Automatic optical scanner with improved activation controlling mechanism 失效
标题翻译：自动光学扫描仪具有改进的激活控制机制
公开(公告)号：US06499664B2
公开(公告)日：2002-12-31
申请号：US09726544
申请日：2000-12-05
申请人： Carl H. Knowles , George B. Rockstein , David M. Wilz, Sr. , Charles A. Naylor
发明人： Carl H. Knowles , George B. Rockstein , David M. Wilz, Sr. , Charles A. Naylor
IPC分类号： G06K710
CPC分类号： G06K7/10871 , G02B26/106 , G06K7/10 , G06K7/10564 , G06K7/10584 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10673 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10811 , G06K7/10851 , G06K7/10861 , G06K7/10881 , G06K7/10891 , G06K7/109 , G06K7/14 , G06K7/1443 , G06K17/0022 , G06K2207/1012 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： Disclosed is a fully automatic bar code symbol reading system having an hand-supportable laser bar code reading device which can be used in either an automatic hands-on mode of operation, or in an automatic hands-free mode of operation. The system includes a scanner support frame for supporting the hand-supportable device in a user-selected mounting position, and permits complete gripping of its handle portion prior to its use in the hands-on mode of operation. In general, the hand-supportable bar code reading device has long-range and short-range modes of object detection, bar code presence detection and bar code symbol reading. In the illustrative embodiment, the long-range mode is automatically selected when the hand-supportable bar code reading device is placed within the scanner support stand during the automatic hands-free mode of operation. Whenever the hand-supportable bar code reading device is picked up from the support stand and used in its hands-on mode of operation, the short-range mode is automatically selected to provide CCD-like scanner emulation. When used in either mode of operation, the automatic bar code reading device is capable of reading, in a consecutive manner, one or more bar code symbols on an object, while preventing multiple reading of the same bar code symbol due to dwelling of the laser scanning beam upon the bar code symbol. The automatic bar code symbol reading system of the present invention is disclosed in several different mounting arrangements at a point-of-sale station, illustrating novel methods of reading bar code symbols using the automatic hand-supportable laser scanning device of the present invention.
摘要翻译：公开了一种全自动条形码符号读取系统，其具有手持式激光条形码读取装置，其可以在自动动手操作模式或自动免手动作模式中使用。该系统包括用于在用户选择的安装位置支撑手持式装置的扫描器支撑框架，并且在其使用操作模式之前允许其手柄部分的完全抓握。通常，手持式条形码读取装置具有远程和短距离的物体检测模式，条形码存在检测和条形码符号读取。在说明性实施例中，当在自动免提操作模式期间将手持式条形码读取装置放置在扫描器支撑架内时，自动选择远程模式。每当手持式条形码读取装置从支撑架上拾取并用于其动手操作模式时，自动选择短距离模式以提供类CCD扫描器仿真。当在任何一种操作模式下使用时，自动条形码读取装置能够以连续的方式读取对象上的一个或多个条形码符号，同时防止由于激光器的居住而导致相同条形码符号的多次读取扫描光束上的条形码符号。本发明的自动条形码符号读取系统在销售点的几个不同的安装方式中公开，示出了使用本发明的自动手持式激光扫描装置读取条形码符号的新颖方法。

8. 发明授权

US06338434B1 System and method for accessing internet-based information resources by scanning Java-Applet encoded bar code symbols 有权
标题翻译：通过扫描Java-Applet编码的条形码符号来访问基于互联网的信息资源的系统和方法
公开(公告)号：US06338434B1
公开(公告)日：2002-01-15
申请号：US09450059
申请日：1999-11-29
申请人： David M. Wilz, Sr. , Carl H. Knowles
发明人： David M. Wilz, Sr. , Carl H. Knowles
IPC分类号： G06K710
CPC分类号： G06K7/10851 , G06F17/30879 , G06K7/10722
摘要： A novel hand-supportable wireless Internet-enabled terminal is disclosed, wherein a transaction-enabling Java-Applet is embedded within 2-D bar code symbol. An HTML-encoded document and code associated with the transaction-enabling Java-Applet is created and stored in an HTTP server for use in enabling a predetermined information-related transaction. When a bar code symbol encoded with a transaction-enabling Java-Applet is read using the hand-supportable wireless Internet-enabled terminal, the corresponding code on the HTTP Server is automatically accessed and one or more HTML-encoded documents are displayed at the hand-supportable wireless Internet-enabled terminal, and the transaction-enabling Java-Applet initiated for execution so that the customer, consumer or client desiring the transaction can simply and conveniently conduct the information-related transaction over the Internet.
摘要翻译：公开了一种新型的可手持手持式无线因特网终端，其中将启动事务的Java-Applet嵌入到二维条形码符号中。与启动事务的Java-Applet相关联的HTML编码文档和代码被创建并存储在HTTP服务器中，以用于启用预定的信息相关事务。当使用支持手动支持的无线上网终端读取使用启用事务的Java-Applet编码的条形码符号时，自动访问HTTP服务器上的相应代码，并在手上显示一个或多个HTML编码的文档可支持的无线上网终端，并且启动事务的Java-Applet启动执行，以便希望交易的客户，消费者或客户可以通过互联网简单方便地进行与信息相关的交易。

9. 发明授权

US5796091A Automatic hand-supportable omnidirectional laser projection scanner with handle-controllable projection axis 失效
标题翻译：自动手持式全向激光投影扫描仪，带手柄可控的投影轴
公开(公告)号：US5796091A
公开(公告)日：1998-08-18
申请号：US645486
申请日：1996-05-13
申请人： Mark C. Schmidt , Carl H. Knowles , David M. Wilz, Sr. , George B. Rockstein
发明人： Mark C. Schmidt , Carl H. Knowles , David M. Wilz, Sr. , George B. Rockstein
IPC分类号： G02B26/10 , G06K7/10 , G06K7/14 , G06K17/00 , G07G1/00
CPC分类号： G02B26/10 , G02B26/106 , G06K17/0022 , G06K7/10 , G06K7/10564 , G06K7/10584 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10673 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10811 , G06K7/10851 , G06K7/10861 , G06K7/10871 , G06K7/10881 , G06K7/10891 , G06K7/109 , G06K7/14 , G06K7/1443 , G07F11/002 , G07G1/0045 , G06K2207/1012 , G06K2207/1013 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： A fully automatic bar code symbol reading system having an automatic (i.e., triggerless) portable bar code symbol reading device with an omnidirectional projection laser scanning engine mounted within the head portion of its hand-supportable housing, and an associated base unit positioned within the data transmission range without a physical wiring connection. The hand-supportable bar code symbol reading device produces a narrowly confined scanning volume for omnidirectional scanning of the code symbols presented, while preventing unintentional scanning of code symbols on nearby objects located outside the scaning volume.
摘要翻译：一种全自动条形码符号读取系统，具有自动（即无触发）便携式条形码符号读取装置，其具有安装在其可手持外壳的头部内的全向投影激光扫描引擎，以及位于该数据内的相关联的基本单元传输范围无物理接线连接。手持式条形码符号读取装置产生狭窄限制的扫描体积，用于全面扫描所呈现的代码符号，同时防止意外扫描位于扫描体外的附近物体上的代码符号。

10. 发明授权

US5260553A Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the same 失效
标题翻译：自动支持手持式激光条形码符号扫描器和使用相同条形码读码的方法
公开(公告)号：US5260553A
公开(公告)日：1993-11-09
申请号：US583421
申请日：1990-09-17
申请人： George B. Rockstein , David M. Wilz, Sr. , David P. Bubnoski , Carl H. Knowles
发明人： George B. Rockstein , David M. Wilz, Sr. , David P. Bubnoski , Carl H. Knowles
IPC分类号： G02B26/10 , G06K7/10 , G06K7/14 , G06K17/00
CPC分类号： G06K7/10871 , G02B26/106 , G06K17/0022 , G06K7/10 , G06K7/10564 , G06K7/10584 , G06K7/10594 , G06K7/10603 , G06K7/10663 , G06K7/10673 , G06K7/10693 , G06K7/10702 , G06K7/10792 , G06K7/10801 , G06K7/10811 , G06K7/10851 , G06K7/10861 , G06K7/10881 , G06K7/10891 , G06K7/109 , G06K7/14 , G06K7/1443 , G06K2207/1012 , G06K2207/1016 , G06K2207/1017 , G06K2207/1018
摘要： An automatic bar code symbol reading system comprising components for carrying out object detection, scanning, photoreceiving, A/D conversion, bar code presence detection, symbol decoding, data format conversion, data storage and data transmission functions. In general, the bar code symbol reading device includes a control system having a plurality of control centers that control the operation of the system components in accordance with preselected system control operations. Each of the control centers are responsive to control activation signals generated by certain of the system components upon the occurrence of predefined conditions. Certain of the control centers are capable overriding other control centers to provide diverse control capabilities which facilitate execution of intelligent operations and power conservation, during bar code symbol reading.
摘要翻译：一种自动条形码符号读取系统，包括用于执行对象检测，扫描，光接收，A / D转换，条形码存在检测，符号解码，数据格式转换，数据存储和数据传输功能的组件。通常，条形码符号读取装置包括具有多个控制中心的控制系统，控制中心根据预选的系统控制操作来控制系统部件的操作。每个控制中心响应于在发生预定条件时由某些系统组件产生的控制激活信号。某些控制中心能够覆盖其他控制中心，以提供不同的控制功能，便于在条形码符号读取期间执行智能操作和节能。

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