US 12,112,912 B2
Safety switch and apparatus with door
Takashi Hoshiba, Aichi (JP); and Ayano Minami, Aichi (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/756,054
Filed by PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
PCT Filed Nov. 24, 2020, PCT No. PCT/JP2020/043554
§ 371(c)(1), (2) Date May 16, 2022,
PCT Pub. No. WO2021/149344, PCT Pub. Date Jul. 29, 2021.
Claims priority of application No. 2020-010407 (JP), filed on Jan. 24, 2020.
Prior Publication US 2022/0406535 A1, Dec. 22, 2022
Int. Cl. H01H 9/02 (2006.01); G01V 8/10 (2006.01); G09F 13/20 (2006.01); H01H 3/16 (2006.01); H01H 9/16 (2006.01)
CPC H01H 9/02 (2013.01) [G01V 8/10 (2013.01); H01H 3/161 (2013.01); H01H 9/16 (2013.01); G09F 13/20 (2013.01); H01H 2009/164 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A safety switch comprising:
a sensor main body; and
an actuator,
wherein the sensor main body comprises:
a detection unit configured to detect the actuator when the actuator is disposed at a predetermined position with respect to the sensor main body; and
a light projection unit configured to project light in accordance with a detection result of the detection unit, and
wherein the actuator comprises:
a light emitting unit configured to emit visible light in response to reception of the light projected by the light projection unit,
wherein the light emitting unit is formed of a light transmissive member, and
wherein the actuator comprises a light guiding unit formed of the light transmissive member and configured to guide the light from the sensor main body to the light emitting unit.