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1. 发明授权

US5907147A Non-contact actuated trigger apparatus for bar code laser scanner 失效
标题翻译：用于条形码激光扫描仪的非接触式启动触发装置
公开(公告)号：US5907147A
公开(公告)日：1999-05-25
申请号：US873948
申请日：1997-06-12
申请人： Chay La
发明人： Chay La
IPC分类号： G06K7/10
CPC分类号： G06K7/10891 , A41D19/0024 , H01H2009/0221
摘要： The system, which is especially suitable for use as a bar code scanner trigger which allows for hands-free scanner operation and non-contact triggering of the scanner by the operator, in one embodiment, comprises a switch and a switch actuator, with the switch mounted proximate to a movable part of the body, and the switch actuator located on the movable part of the body, which part is movable so as to move the switch actuator and switch to within a predetermined proximity of one another and thereby actuate the switch, which will actuate the electronic equipment switched thereby. After the switch has been actuated, moving the part of the body with the switch actuator thereon so as to move the switch actuator and switch beyond a predetermined proximity of one another will deactuate the switch, and thereby deactivate the electronic equipment switched thereby. In an exemplary embodiment, the switch actuator is disposed upon a finger via a switch actuator mount in the form of a glove, and the switch is disposed upon the back of the hand at a point proximate to the finger so that extending a finger as in a pointing motion actuates the switch, thereby activating the equipment and further so that retracting the finger deactuates the switch. In other embodiments multiple switches and switch actuators may be used in conjunction with multiple fingers or digits, and/or with predetermined patterns or combinations of switch actuations required to activate the electronic equipment.
摘要翻译：该系统特别适合用作条形码扫描器触发器，其在一个实施例中允许操作者的免提扫描器操作和非接触触发扫描器，其包括开关和开关致动器，开关安装在本体的可移动部分附近，以及位于主体的可动部分上的开关致动器，该部分可移动，以便将开关致动器和开关移动到彼此预定的接近范围内，从而致动开关，这将驱动由此切换的电子设备。在开关被致动之后，使用开关致动器在其上移动身体的一部分，以便使开关致动器和开关移动超过彼此的预定接近度将使开关停用，从而使由此切换的电子设备失效。在示例性实施例中，开关致动器通过手套形式的开关致动器安装件设置在手指上，并且开关设置在靠近手指的点处的手背上，使得如指向运动致动开关，从而启动设备并且进一步使得缩回手指停止开关。在其他实施例中，多个开关和开关致动器可以与多个手指或数字结合使用，和/或以预定的模式或启动电子设备所需的开关动作的组合使用。

2. 发明授权

US5979769A Combination range laser scanner utilizing periodic range switching 失效
标题翻译：组合范围激光扫描仪利用周期范围切换
公开(公告)号：US5979769A
公开(公告)日：1999-11-09
申请号：US964222
申请日：1997-11-04
申请人： James F. Munro , Chay La
发明人： James F. Munro , Chay La
IPC分类号： G02B26/10 , G06K7/10 , H04N1/113
CPC分类号： G06K7/10574 , G06K7/10584 , G06K7/10792
摘要： A combination range optical scanner includes a short distance laser and a long distance laser. A scan mirror is oscillated by a motor and scans a beam from one of the two lasers across a field of view. A controller turns the two lasers on and off such that both a short distance scan and a long distance scan are automatically performed. The rate at which the controller turns the lasers on and off may be synchronized with the oscillation rate of the scan mirror. A collection mirror may include two facets, integrally formed therewith, where the two lasers are respectively directed toward the two facets.
摘要翻译：组合范围光学扫描仪包括短距离激光和长距离激光。扫描镜由电动机振荡，并且通过视场扫描来自两个激光器中的一个的光束。控制器打开和关闭两个激光器，使得自动执行短距离扫描和长距离扫描。控制器打开和关闭激光器的速率可以与扫描镜的振荡速率同步。收集镜可以包括与其一体形成的两个面，其中两个激光分别指向两个面。

3. 发明授权

US5959284A Bar code reading and data collection unit with ultrasonic wireless data transmission 失效
标题翻译：条码读取和数据采集单元，具有超声波无线数据传输
公开(公告)号：US5959284A
公开(公告)日：1999-09-28
申请号：US823121
申请日：1997-03-25
申请人： Chay La , Raymond J. Boyd
发明人： Chay La , Raymond J. Boyd
IPC分类号： G06K7/00 , G06K7/10 , G06K17/00
CPC分类号： G06K17/0022 , G06K7/0008 , G06K7/10386 , H04B11/00
摘要： A bar code scanner includes aseparate transmitter and receiver, each being able to ultrasonically transmit and receive data, respectively. The receiver transmits an acknowledgement signal when a protocol is received, and sends the acknowledgement signal to the transmitter which, unless it receives the acknowledgement signal, will retransmit the protocol a predetermined number of times. The transmitter includes a receiver which monitors an ultrasonic frequency band for a time period in which transmission by the transmitter is not allowed. The time period corresponds to a time when another ultrasonic signal in the ultrasonic frequency band is detected by the receiver of the transmitter. Transmission by the transmitter is allowed as soon as the another ultrasonic signal is no longer detected by the receiver of the transmitter.
摘要翻译：条形码扫描器包括分开的发射器和接收器，每个能够分别超声波发射和接收数据。当接收到协议时，接收机发送确认信号，并将确认信号发送给发送机，发送方除非接收到确认信号将重传协议预定的次数。发射机包括一个接收机，该接收机在不允许发射机发射的时间段内监测超声波频带。时间段对应于发射机的接收机检测超声波频带中的另一个超声波信号的时间。一旦发射机的接收机不再检测到另一个超声波信号，就允许发射机进行传输。

4. 发明授权

US5686716A Bar code void and spot discrimination 失效
标题翻译：条形码无效和现货歧视
公开(公告)号：US5686716A
公开(公告)日：1997-11-11
申请号：US644443
申请日：1996-05-13
申请人： Chay La
发明人： Chay La
IPC分类号： G06K7/14 , G06K7/10
CPC分类号： G06K7/1465 , G06K7/14
摘要： A void and spot discrimination apparatus and method for successfully decoding bar code symbols having imperfections therein. A first and a second scan are performed, and a signal return is obtained, in which information is obtained related to a smallest size black bar and white space, as well as a largest size black bar and white space. The signal returns from the first and second scans is sent to a decoder, and third and fourth scans are performed. The signal returns from the third and fourth scans are altered based on the smallest/largest sizes obtained from the two previous scans, in order to eliminate potential ink spreads and print voids. The process is alternated in this manner until a successful bar code decoding is made.
摘要翻译：一种用于成功地解码其中存在缺陷的条形码符号的空白和点辨别装置和方法。执行第一和第二扫描，并且获得信号返回，其中获得与最小尺寸的黑条和白色空间相关的信息以及最大尺寸的黑条和空白。从第一和第二扫描返回的信号被发送到解码器，并且执行第三和第四扫描。基于从两个先前扫描获得的最小/最大尺寸，第三和第四扫描的信号返回，以消除潜在的油墨扩散和打印空隙。该过程以这种方式交替，直到成功进行条形码解码。

5. 发明授权

US5675138A Non-contact actuated trigger apparatus for bar code laser scanner 失效
标题翻译：用于条形码激光扫描仪的非接触式启动触发装置
公开(公告)号：US5675138A
公开(公告)日：1997-10-07
申请号：US291839
申请日：1994-08-17
申请人： Chay La
发明人： Chay La
IPC分类号： G06K7/10
CPC分类号： G06K7/10891 , A41D19/0024 , H01H2009/0221
摘要： The system, which is especially suitable for use a a bar code scanner trigger which allows for hands-free scanner operation and non-contact triggering of the scanner by the operator, in one embodiment, comprises a switch and a switch actuator, with the switch mounted proximate to a movable part of the body, and the switch actuator located on the movable part of the body, which part is movable so as to move the switch actuator and switch to within a predetermined proximity of one another and thereby actuate the switch, which will actuate the electronic equipment switched thereby. After the switch has been actuated, moving the part of the body with the switch actuator thereon so as to move the switch actuator and switch beyond a predetermined proximity of one another will deactuate the switch, and thereby deactivate the electronic equipment switched thereby. In an exemplary embodiment, the switch actuator is disposed upon a finger via a switch actuator mount in the form of a glove, and the switch is disposed upon the back of the hand at a point proximate to the finger so that extending a finger as in a pointing motion actuates the switch, thereby activating the equipment and further so that retracting the finger deactuates the switch. In other embodiments multiple switches and switch actuators may be used in conjunction with multiple fingers or digits, and/or with predetermined patterns or combinations of switch actuations required to activate the electronic equipment.
摘要翻译：该系统特别适合于在一个实施例中使用条形码扫描器触发器，其允许操作者进行免提扫描器操作和非接触触发扫描器，该开关和开关致动器包括开关安装靠近主体的可移动部分，以及位于主体的可移动部分上的开关致动器，该部分可移动以使开关致动器和开关移动到彼此预定的接近范围内，从而致动开关，将启动由此切换的电子设备。在开关被致动之后，使用开关致动器在其上移动身体的一部分，以便使开关致动器和开关移动超过彼此的预定接近度将使开关停用，从而使由此切换的电子设备失效。在示例性实施例中，开关致动器通过手套形式的开关致动器安装件设置在手指上，并且开关设置在靠近手指的点处的手背上，使得如指向运动致动开关，从而启动设备并且进一步使得缩回手指停止开关。在其他实施例中，多个开关和开关致动器可以与多个手指或数字结合使用，和/或以预定的模式或启动电子设备所需的开关动作的组合使用。

6. 发明授权

US5665956A Bar code reading and data collection unit with ultrasonic wireless data transmission 失效
标题翻译：条码读取和数据采集单元，具有超声波无线数据传输
公开(公告)号：US5665956A
公开(公告)日：1997-09-09
申请号：US331434
申请日：1994-10-31
申请人： Chay La , Raymond J. Boyd
发明人： Chay La , Raymond J. Boyd
IPC分类号： G06K7/00 , G06K7/10 , G06K17/00
CPC分类号： G06K17/0022 , G06K7/0008 , G06K7/10386 , H04B11/00
摘要： A bar code scanner includes a separate transmitter and receiver, each being able to ultrasonically transmit and receive data, respectively. The receiver transmits an acknowledgement signal when a protocol is received, and sends the acknowledgement signal to the transmitter which, unless it receives the acknowledgement signal, will retransmit the protocol a predetermined number of times. The transmitter includes a receiver which monitors an ultrasonic frequency band for a time period in which transmission by the transmitter is not allowed. The time period corresponds to a time when another ultrasonic signal in the ultrasonic frequency band is detected by the receiver of the transmitter. Transmission by the transmitter is allowed as soon as the another ultrasonic signal is no longer detected by the receiver of the transmitter.
摘要翻译：条形码扫描器包括单独的发射器和接收器，每个发射器和接收器能够分别超声波发射和接收数据。当接收到协议时，接收机发送确认信号，并将确认信号发送给发送机，发送方除非接收到确认信号将重传协议预定的次数。发射机包括一个接收机，该接收机在不允许发射机发射的时间段内监测超声波频带。时间段对应于发射机的接收机检测超声波频带中的另一个超声波信号的时间。一旦发射机的接收机不再检测到另一个超声波信号，就允许发射机进行传输。

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