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    • 2. 发明授权
    • Optical rotary control device using a microprocessor
    • 光学旋转控制装置采用微处理器
    • US5530576A
    • 1996-06-25
    • US87229
    • 1993-07-02
    • Gregory D. JacksonRobert B. AkinsMac W. Branan, Jr.
    • Gregory D. JacksonRobert B. AkinsMac W. Branan, Jr.
    • H04B10/00
    • H04B10/801
    • A rotary control device is provided comprising a light receptor (52), a plurality of light sources (54) radially spaced from the light receptor (52), a light director (14) having means for directing light from the light source (54) to the receptor (52) and means for rotating the director (14) thereby selectively directing light from the light sources (54) to the light receptor (52). In another aspect of the invention, the optical rotary device further comprises an isolator (56) made of opaque material which surrounds four sides of the light receptor (52) and four sides of the light sources (54). In a further aspect of the invention the light director includes a reflector (46) for directing the light from the light sources (54) to the light receptor (52).
    • 提供一种旋转控制装置,其包括光接收器(52),与光接收器(52)径向间隔开的多个光源(54),具有用于引导来自光源(54)的光的装置的光导向器(14) 接收器(52)和用于旋转导向器(14)的装置,从而将来自光源(54)的光选择性地引导到光接收器(52)。 在本发明的另一方面,光学旋转装置还包括由不透明材料制成的隔离物(56),其围绕光接收器(52)的四个侧面和光源(54)的四个侧面。 在本发明的另一方面,光导向器包括用于将来自光源(54)的光引导到光接收器(52)的反射器(46)。
    • 4. 发明授权
    • Rotary control switch with plural movable concave light reflectors
    • 旋转控制开关,带有可移动的光反射器
    • US5177355A
    • 1993-01-05
    • US677910
    • 1991-04-10
    • Mac W. Branan, Jr.
    • Mac W. Branan, Jr.
    • H01H19/11H03K17/968
    • H03K17/968H01H19/11
    • A switch (10) comprises a rotary part (12, 14, 16 and 18) and a bracket (24) for supporting the rotary part. The rotary part comprises a knob (12), a shaft (14), attached to, or formed on, the knob, a detent cam (16) attached to, or formed on, the shaft, and a light director (18), attached to the shaft, for directing light from an external light source to a light receiver when the switch is in a first position and for directing light from the light source away from the light receiver when the switch is in a second position. The bracket comprises a detent spring (17) for making contact with the detent cam to provide operating positions for the switch.
    • 开关(10)包括旋转部件(12,14,16和18)和用于支撑旋转部件的托架(24)。 旋转部件包括旋钮(12),附接到或形成在旋钮上的轴(14),附接到轴上或形成在轴上的制动凸轮(16)和光导向器(18), 当开关处于第一位置时,将光从外部光源引导到光接收器,并且当开关处于第二位置时将光从光源远离光接收器引导。 支架包括用于与止动凸轮接触以提供开关的操作位置的制动弹簧(17)。