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    • 2. 发明授权
    • PHOTOELECTRIC SWITCH
    • 光电开关
    • EP0564641B1
    • 1999-12-15
    • EP92923496.1
    • 1992-10-21
    • HERMAN, Jeffrey G.MATZKA, Mark C.
    • HERMAN, Jeffrey G.MATZKA, Mark C.
    • G01V8/12H01J40/14F16P3/20F16P3/14
    • G01V8/12F16P3/144F16P3/20
    • Photoelectric switch (10) having rectifier (104) for converting received AC voltage to DC voltage, transparent cover (14) having user friendly finger rest surface (24), means for generating a pulsed infrared beam (30) across finger rest surface (24), means (10, 10') responsive to the breaking of pulsed infrared beam (30) by an operator placing at least one finger on surface (24) to actuate a relay (40) to generate an output signal, and means (10, 10') disabling the actuation of the relay (40) in response to operator removing his finger from surface (24) restoring continuity of pulsed infrared beam (30). Photoelectric switch (10) includes fault protection circuits which disable the relay when the AC voltage is below a predetermined voltage or ambient infrared background illumination exceeds a predetermined value. Photoelectric switch (10) also includes circuits for lighting a fault light when the AC voltage is less than the predetermined voltage, ambient infrared background illumination exceeds predetermined limits, and when a contact in the relay welds in the activated position.
    • 具有用于将接收到的AC电压转换成DC电压的整流器(104)的光电开关(10),具有用户友好的手指放置表面(24)的透明盖(14),用于在手指放置表面(24)上产生脉冲红外光束(30) ),响应于操作员将至少一个手指放置在表面(24)上以致动继电器(40)以产生输出信号而使脉冲式红外光束(30)断裂的装置(10,10'),以及装置 ,10')响应于操作者从表面(24)移开他的手指以恢复脉冲红外光束(30)的连续性而禁用继电器(40)的致动。 光电开关(10)包括故障保护电路,当AC电压低于预定电压或环境红外背景照度超过预定值时,所述故障保护电路禁用继电器。 光电开关(10)还包括用于当交流电压低于预定电压,周围红外背景照明超过预定限制并且当继电器中的触点焊接在激活位置时点亮故障灯的电路。
    • 3. 发明公开
    • PHOTOELECTRIC SWITCH
    • PHOTO电器开关。
    • EP0564641A1
    • 1993-10-13
    • EP92923496.0
    • 1992-10-21
    • HERMAN, Jeffrey G.MATZKA, Mark C.
    • HERMAN, Jeffrey G.MATZKA, Mark C.
    • F16P3G01V8
    • G01V8/12F16P3/144F16P3/20
    • Interrupteur photoélectrique (10) comportant un redresseur (104) pour convertir la tension CA reçue en tension CC, un cache transparent (14) possédant une surface (24) facile à utiliser par l'opérateur qui y pose ses doigts, des moyens pour produire un faisceau infrarouge pulsé (30) au niveau de ladite surface (24), des moyens (10, 10') réagissant à l'interruption du faisceau infrarouge pulsé (30) lorsque l'opérateur place au moins un doigt sur la surface (24), pour actionner un relais (40) destiné à produire un signal de sortie, et des moyens (10, 10') invalidant le relais (40) lorsque l'opérateur enlève son doigt de la surface (24), rétablissant ainsi la continuité du faisceau infrarouge pulsé (30). L'interrupteur photoélectrique (10) comporte des circuits de protection contre les défaillances, qui invalident le relais lorsque la tension CA tombe au-dessous d'une valeur prédéterminée ou que l'éclairage infrarouge ambiant de fond dépasse une valeur prédéterminée. L'interrupteur photoélectrique (10) comprend également des circuits destinés à allumer un voyant lumineux de défaillance lorsque la tension CA est inférieure à la tension prédéterminée, que l'éclairage infrarouge ambiant de fond excède des limites prédéterminées et qu'un contact dans le relais se soude en position actionnée.
    • 4. 发明专利
    • DE69230432T2
    • 2000-06-21
    • DE69230432
    • 1992-10-21
    • HERMAN JEFFREY GMATZKA MARK C
    • HERMAN JEFFREY GMATZKA MARK C
    • F16P3/14F16P3/20G01V8/12H01J40/14
    • A photoelectric switch having a rectifier for converting a received AC voltage to a DC voltage, a transparent cover having a user friendly finger rest surface, means for generating a pulsed infrared beam across the finger rest surface, means responsive to the breaking of the pulsed infrared beam by an operator placing at least one finger on the finger rest surface to actuate a relay to generate an output signal, and means for disabling the actuation of the relay in response to the operator removing his finger from the finger rest surface restoring the continuity of the pulsed infrared beam. The photoelectric switch includes fault protection circuits which disable the relay when the AC voltage is below a predetermined voltage, when the ambient infrared background illumination exceeds a predetermined value, or when the means for generating a pulsed infrared beam fails to generate the beam. The photoelectric switch also includes circuits for lighting a fault light when the AC voltage is less than the predetermined voltage, the ambient infrared background illumination exceeds the predetermined limits, and when a contact in the relay welds or becomes stuck in the activated position.
    • 5. 发明专利
    • DE69230432D1
    • 2000-01-20
    • DE69230432
    • 1992-10-21
    • HERMAN JEFFREY GMATZKA MARK C
    • HERMAN JEFFREY GMATZKA MARK C
    • F16P3/14F16P3/20G01V8/12H01J40/14
    • A photoelectric switch having a rectifier for converting a received AC voltage to a DC voltage, a transparent cover having a user friendly finger rest surface, means for generating a pulsed infrared beam across the finger rest surface, means responsive to the breaking of the pulsed infrared beam by an operator placing at least one finger on the finger rest surface to actuate a relay to generate an output signal, and means for disabling the actuation of the relay in response to the operator removing his finger from the finger rest surface restoring the continuity of the pulsed infrared beam. The photoelectric switch includes fault protection circuits which disable the relay when the AC voltage is below a predetermined voltage, when the ambient infrared background illumination exceeds a predetermined value, or when the means for generating a pulsed infrared beam fails to generate the beam. The photoelectric switch also includes circuits for lighting a fault light when the AC voltage is less than the predetermined voltage, the ambient infrared background illumination exceeds the predetermined limits, and when a contact in the relay welds or becomes stuck in the activated position.
    • 7. 发明专利
    • ES2143477T3
    • 2000-05-16
    • ES92923496
    • 1992-10-21
    • HERMAN JEFFREY GMATZKA MARK C
    • HERMAN JEFFREY GMATZKA MARK C
    • F16P3/14F16P3/20G01V8/12H01J40/14
    • A photoelectric switch having a rectifier for converting a received AC voltage to a DC voltage, a transparent cover having a user friendly finger rest surface, means for generating a pulsed infrared beam across the finger rest surface, means responsive to the breaking of the pulsed infrared beam by an operator placing at least one finger on the finger rest surface to actuate a relay to generate an output signal, and means for disabling the actuation of the relay in response to the operator removing his finger from the finger rest surface restoring the continuity of the pulsed infrared beam. The photoelectric switch includes fault protection circuits which disable the relay when the AC voltage is below a predetermined voltage, when the ambient infrared background illumination exceeds a predetermined value, or when the means for generating a pulsed infrared beam fails to generate the beam. The photoelectric switch also includes circuits for lighting a fault light when the AC voltage is less than the predetermined voltage, the ambient infrared background illumination exceeds the predetermined limits, and when a contact in the relay welds or becomes stuck in the activated position.