US 12,337,465 B2
Enable switch device and load drive control apparatus equipped with same
Yasuyuki Tanaka, Osaka (JP); Kei Aimi, Osaka (JP); and Yasuhiro Kinugasa, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Sep. 17, 2023, as Appl. No. 18/468,717.
Application 18/468,717 is a continuation of application No. PCT/JP2022/021056, filed on May 23, 2022.
Claims priority of application No. 2021-093409 (JP), filed on Jun. 3, 2021.
Prior Publication US 2024/0001563 A1, Jan. 4, 2024
Int. Cl. B25J 13/06 (2006.01)
CPC B25J 13/06 (2013.01) 12 Claims
OG exemplary drawing
 
1. An enable switch device that transitions to a first position that is OFF state when not operated, to a second position that is ON state when mid-operated, and to a third position that is OFF state when full-operated, the enable switch device comprising:
a first switch;
a second switch; and
a first signal processor, wherein
each of the first switch and the second switch is a two-position switch, and
the first signal processor is configured to determine in which one of the first position, the second position, and the third position an operated state of the enable switch device is, based on an output signal of the first switch and an output signal of the second switch, and detect presence or absence of failure in each of the first switch and the second switch.