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    • 1. 发明授权
    • Method and apparatus for providing a focus indication for optical imaging of visual codes
    • 提供用于视觉代码的光学成像的聚焦指示的方法和装置
    • US08181878B2
    • 2012-05-22
    • US11339183
    • 2006-01-25
    • Laurens NunninkWilliam H. EquitzJoerg Kuechen
    • Laurens NunninkWilliam H. EquitzJoerg Kuechen
    • G06K7/10
    • G06K7/10811G06K2207/1011
    • A method and apparatus for indicating an in-focus or an out-of-focus condition for an imaging device (1, 2) in an optical reading and decoding apparatus (20) for receiving a coded image from a target area (29) on an article or package. In the method of the invention, two beams of light (27, 28) are generated to provide two illuminated aiming marks (32, 33) on the target. An in-focus condition is indicated when the two aiming marks are in a pre-defined spatial relationship relative to each other on the target. The in-focus condition or an out-of-focus condition can be signaled by controlling attributes of aiming marks (32, 33) or by controlling attributes of status indicator LEDs (12) on the apparatus (20) or by controlling an audible sound.
    • 一种用于在用于从目标区域(29)接收编码图像的光学读取和解码装置(20)中指示用于成像装置(1,2)的对焦或离焦状态的方法和装置, 一件物品或包装 在本发明的方法中,产生两束光(27,28),以在目标上提供两个照明的瞄准标记(32,33)。 当两个瞄准标记在目标上相对于彼此处于预定义的空间关系时,指示对焦条件。 通过控制瞄准标记(32,33)的属性或通过控制设备(20)上的状态指示器LED(12)的属性或通过控制可听见的声音来发出对焦条件或失焦条件 。
    • 2. 发明申请
    • Method and apparatus for providing a focus indication for optical imaging of visual codes
    • 提供用于视觉代码的光学成像的聚焦指示的方法和装置
    • US20070170259A1
    • 2007-07-26
    • US11339183
    • 2006-01-25
    • Laurens NunninkWilliam EquitzJoerg Kuechen
    • Laurens NunninkWilliam EquitzJoerg Kuechen
    • G06K7/10
    • G06K7/10811G06K2207/1011
    • A method and apparatus for indicating an in-focus or an out-of-focus condition for an imaging device (1, 2) in an optical reading and decoding apparatus (20) for receiving a coded image from a target area (29) on an article or package. In the method of the invention, two beams of light (27, 28) are generated to provide two illuminated aiming marks (32, 33) on the target. An in-focus condition is indicated when the two aiming marks are in a pre-defined spatial relationship relative to each other on the target. The in-focus condition or an out-of-focus condition can be signaled by controlling attributes of aiming marks (32, 33) or by controlling attributes of status indicator LEDs (12) on the apparatus (20) or by controlling an audible sound.
    • 一种用于在用于从目标区域(29)接收编码图像的光学读取和解码装置(20)中指示用于成像装置(1,2)的对焦或离焦状态的方法和装置, 一件物品或包装 在本发明的方法中,产生两束光(27,28),以在目标上提供两个照明的瞄准标记(32,33)。 当两个瞄准标记在目标上相对于彼此处于预定义的空间关系时,指示对焦条件。 通过控制瞄准标记(32,33)的属性或通过控制设备(20)上的状态指示器LED(12)的属性或通过控制可听见的声音来发出对焦条件或失焦条件 。