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41.发明授权
公开(公告)号：US4736095A
公开(公告)日：1988-04-05
申请号：US831415
申请日：1986-02-20
CPC分类号： G06K7/10881 , G06K17/0022
摘要： A narrow-bodied, single- and twin-windowed, hand-held, laser scanning head for reading bar code symbols includes at least one window mounted at the rear region of the head, and through which either the incident beam going to the symbol and/or the reflected beam returning from the symbol, passes unobstructedly and exteriorly of, and past, the front and intermediate body regions of the head. A field-replaceable laser tube arrangement, a laser tube and method of making the same, an arrangement for and method of controlling a scanning system, optical passive elements for increasing the depth of field, a trigger protective device, and a one-piece support bench and method of fabricating the same by mass-production techniques are also disclosed.
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42.发明授权
公开(公告)号：US4409470A
公开(公告)日：1983-10-11
申请号：US342231
申请日：1982-01-25
CPC分类号： G06K7/10881 , G06K17/0022
摘要： A narrow-bodied, single-and twin-windowed, hand-held, laser scanning head for reading bar code symbols includes at least one window mounted at the rear region of the head, and through which either the incident beam going to the symbol and/or the reflected beam returning from the symbol, passes unobstructedly and exteriorly of, and past, the front and intermediate body regions of the head. A field-replaceable laser tube arrangement, a laser tube and method of making the same, an arrangement for and method of controlling a scanning system, optical passive elements for increasing the depth of field, a trigger protective device, and a one-piece support bench and method of fabricating the same by mass-production techniques are also disclosed.
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公开(公告)号：US5581068A
公开(公告)日：1996-12-03
申请号：US437854
申请日：1995-05-09
CPC分类号： G06K17/0022 , G06K7/10702 , G06K7/10881 , G06K7/109
摘要： In a system for electro-optically reading coded indicia, such as bar code symbols, a light sensor in a scanning head generates higher amplitude electrical signals for symbols closer to the head, and lower amplitude electrical signals for symbols further from the head. To decrease this amplitude variation, and thereby increase the depth of the field of the system, various optical elements such as a lens, a louver, a filter and a shade, are proposed.
摘要翻译： 在用于电光学读取编码标记（例如条形码符号）的系统中，扫描头中的光传感器为更靠近头部的符号产生较高幅度的电信号，并且对于从头部进一步的符号产生较低幅度的电信号。 为了减小该幅度变化，从而增加系统的场的深度，提出了诸如透镜，百叶窗，滤光器和阴影的各种光学元件。
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44.发明授权Narrow-bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols 失效窄体，单窗口和双窗口便携式激光扫描头，用于读取条形码符号
公开(公告)号：US5262628A
公开(公告)日：1993-11-16
申请号：US895277
申请日：1992-06-08
CPC分类号： G06K17/0022 , G06K7/10702 , G06K7/10881 , G06K7/109
摘要： A scanning head for reading bar code symbols includes a laser source producing a beam which is scanned across a symbol to be read by a moving mirror arrangement, and a photodetector responsive to light reflected from the symbol. The signal from the photodetector is digitized and decoded to recover bar code data. The scanning head includes a keyboard for entering data, and a display from showing data, and a microprocessor in the head controls the operations of the various components. A transmitter and receiver may be located in the scanning head for communication with a central computer, and a battery included in the head as a power supply, so that the scanning head need not be connected by a cable to a terminal.
摘要翻译： 用于读取条形码符号的扫描头包括激光源，该激光源产生横跨要由移动镜装置读取的符号扫描的光束，以及响应于从符号反射的光的光电检测器。 来自光电检测器的信号被数字化并解码以恢复条形码数据。 扫描头包括用于输入数据的键盘和显示数据的显示器，并且头部中的微处理器控制各种部件的操作。 发送器和接收器可以位于扫描头中，用于与中央计算机通信，并且包括在头部中的电池作为电源，使得扫描头不需要通过电缆连接到终端。
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45.发明授权Narrow-bodied, single-and twin-windowed portable laser scanning head for reading bar code symbols 失效窄体，单窗口和双窗口便携式激光扫描头，用于读取条形码符号
公开(公告)号：US4758717A
公开(公告)日：1988-07-19
申请号：US883923
申请日：1986-07-10
CPC分类号： G06K7/10881 , G06K17/0022
摘要： A narrow-bodied, single-and twin-windowed, hand-held, laser scanning head for reading bar code symbols includes at least one window mounted at the rear region of the head, and through which either the incident beam going to the symbol and/or the reflected beam returning from the symbol, passes unobstructedly and exteriorly of, and past, the front and intermediate body regions of the head. A field-replaceable laser tube arrangement, a laser tube and method of making the same, an arrangement for and method of controlling a scanning system, optical passive elements for increasing the depth of field, a trigger protective device, and a one-piece support bench and method of fabricating the same by mass-production techniques are also disclosed.
摘要翻译： 用于读取条形码符号的窄体，单和双窗口的手持式激光扫描头包括安装在头部的后部区域的至少一个窗口，通过该窗口，入射光束到达符号和 /或从符号返回的反射光束通过头部的前身和中间身体区域不受阻碍地且外部通过。 现场可更换激光管装置，激光管及其制造方法，扫描系统的控制和控制方法，用于增加景深的光学无源元件，触发器保护装置和一体式支架 本发明还公开了通过批量生产技术制造其工作台及其制造方法。
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公开(公告)号：US5581069A
公开(公告)日：1996-12-03
申请号：US438524
申请日：1995-05-10
CPC分类号： G06K17/0022 , G06K7/10702 , G06K7/10881 , G06K7/109
摘要： A louver is mounted adjacent a sensor in a housing of a laser scanning head of a system for electro-optically reading bar code symbols. The louver includes a plurality of mutually parallel, permanently-open slots. The slats are inclined to allow more light from far-out symbols to reach the sensor as compared to close-in symbols.
摘要翻译： 在用于电光学读取条形码符号的系统的激光扫描头的壳体中，将传感器安装在传感器附近。 百叶窗包括多个相互平行的永久开放的槽。 与近距离符号相比，板条倾向于允许来自远距离符号的更多光到达传感器。
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公开(公告)号：US5396055A
公开(公告)日：1995-03-07
申请号：US93967
申请日：1993-07-21
CPC分类号： G06K17/0022 , G06K7/10702 , G06K7/10881 , G06K7/109
摘要： A scanning head for reading bar code symbols includes a laser source producing a beam which is scanned across a symbol to be read by a moving mirror arrangement, and a photodetector responsive to light reflective from the symbol. The signal from the photodetector is digitized and decoded to recover bar code data. The scanning heads includes a keyboard for entering data, and a display from showing data, and an integrated circuit for data collection and/or data processing. A transmitter and receiver may be located in the scanning head for communication with a central computer, and a battery included in the heads as a power supply, so that the scanning head need not be connected by a cable to a terminal.
摘要翻译： 用于读取条形码符号的扫描头包括激光源，该激光源产生扫描通过移动镜装置读取的符号的光束，以及响应于从符号反射的光的光电检测器。 来自光电检测器的信号被数字化并解码以恢复条形码数据。 扫描头包括用于输入数据的键盘和显示数据的显示器，以及用于数据收集和/或数据处理的集成电路。 发送器和接收器可以位于扫描头中，用于与中央计算机通信，并且包括在头中的电池作为电源，使得扫描头不需要通过电缆连接到终端。
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48.发明授权Bar code scanner with automatic de-activation of scan upon bar code recognition 失效条形码扫描器，具有自动去激活扫描条码识别功能
公开(公告)号：US5180904A
公开(公告)日：1993-01-19
申请号：US781893
申请日：1991-10-24
CPC分类号： G06K7/10881 , G06K17/0022
摘要： A bar code scanner employs a light source such as a laser for generating a light beam to be directed along a path toward a bar code symbol to be read. A scanner such as a mirror driven by a motor moves the light beam along a scan line across the bar code symbol. A sensor detects the intensity of reflected light from the bar code symbol, and generates an electrical signal in response to this reflected light. A signal processor receives the electrical signal and produces a digitized signal representing the bar code symbol. Control circuit automatically de-energes the scan by shutting off at least one of the light source and the motor after the signal processor has produced a digitized signal representing a valid bar code symbol.
摘要翻译： 条形码扫描器采用诸如激光器的光源来产生沿着要被读取的条形码符号的路径被引导的光束。 诸如由电动机驱动的反射镜的扫描仪沿着扫描线移动光束穿过条形码符号。 传感器检测来自条形码符号的反射光的强度，并且响应于该反射光产生电信号。 信号处理器接收电信号并产生表示条形码符号的数字化信号。 在信号处理器产生表示有效条形码符号的数字化信号之后，控制电路通过关闭光源和电动机中的至少一个自动地对扫描进行去激活。
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49.发明授权Narrow-bodied, single- and twin-windowed portable scanning head for reading bar code symbols 失效窄体，单窗口和双窗口便携式扫描头，用于读取条形码符号
公开(公告)号：US4673805A
公开(公告)日：1987-06-16
申请号：US519523
申请日：1983-08-01
CPC分类号： G06K7/10881 , G06K17/0022
摘要： A narrow-bodied, single- and twin-windowed, hand-held, laser scanning head for reading bar code symbols includes at least one window mounted at the rear region of the head, and through which either the incident beam going to the symbol and/or the reflected beam returning from the symbol, passes unobstructedly and exteriorly of, and past, the front and intermediate body regions of the head. A field-replaceable laser tube arrangement, a laser tube and method of making the same, an arrangement for and method of controlling a scanning system, optical passive elements for increasing the depth of field, a trigger protective device, and a one-piece support bench and method of fabricating the same by mass-production techniques are also disclosed.
摘要翻译： 用于读取条形码符号的窄体，单和双窗口的手持式激光扫描头包括安装在头部后部区域的至少一个窗口，通过该窗口，入射光束到达符号和 /或从符号返回的反射光束通过头部的前身和中间身体区域不受阻碍地且外部通过。 现场可更换激光管装置，激光管及其制造方法，扫描系统的控制和控制方法，用于增加景深的光学无源元件，触发器保护装置和一体式支架 本发明还公开了通过批量生产技术制造其工作台及其制造方法。
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公开(公告)号：US06068190A
公开(公告)日：2000-05-30
申请号：US972285
申请日：1997-11-18
CPC分类号： G06K17/0022 , G06K7/10702 , G06K7/10881 , G06K7/109
摘要： In a system for electro-optically reading bar code symbols, a movable reflector is rearwardly positioned in a hand-held housing. A sensor receives light reflected off a bar code symbol from the reflector over a scan that extends across the entire bar code symbol. The housing has a window, a front end and a handle for enabling a user to hold and support the housing in one's hand, and to aim the front end of the housing at the bar code symbol during reading. A signal processor in the housing processes an electrical signal from the sensor to generate therefrom data descriptive of the bar code symbol being read. The reflector is positioned at a distance from the front end of the housing, and the length of the scan is proportional to that distance.
摘要翻译： 在用于电光学读取条形码符号的系统中，可移动反射器被向后定位在手持外壳中。 传感器通过延伸穿过整个条形码符号的扫描器从反射器接收从条形码符号反射的光。 壳体具有窗口，前端和手柄，用于使用者能够握持和支撑手中的壳体，并且在读取期间将壳体的前端瞄准条形码符号。 壳体中的信号处理器处理来自传感器的电信号，从而生成描述所读取的条形码符号的数据。 反射器位于与壳体的前端一定距离处，并且扫描的长度与该距离成比例。
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