US Patent No. 10,397,995

INPUT DEVICE


Patent No. 10,397,995
Issue Date August 27, 2019
Title Input Device
Inventorship Masaki Kontani, Osaka (JP)
Takeshi Masutani, Osaka (JP)
Assignee PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)

Claim of US Patent No. 10,397,995

1. An input device comprising:a switch;
light sources including a first light source and a second light source disposed at a position different from a position of the first light source;
a light guide body; and
a wired substrate,
wherein the light guide body includes an output section, a first light guide leg section connected to the output section, and a second light guide leg section connected to the output section,
the switch is configured to switch a state between ON and OFF by being pressed in a pressing direction and is located on a plane orthogonal to the pressing direction,
the output section is provided in an area in an opposite direction from the pressing direction with respect to the plane,
the output section includes a first design and a second design,
the light guide body guides a first light emitted from the first light source and a second light emitted from the second light source in the opposite direction,
the first light guide leg section guides the first light to the output section,
the second light guide leg section guides the second light to the output section,
the first design reflects the first light in the opposite direction,
the second design reflects the second light in the opposite direction,
the switch, the first light source, and the second light source are mounted on the wired substrate,
the first light guide leg section includes at least one first stepped surface intersecting a third direction corresponding to a direction of travel of the first light,
the second light guide leg section includes at least one second stepped surface intersecting a fourth direction corresponding to a direction of travel of the second light,
the at least one first stepped surface includes a part facing the third direction, the part being opened or colored in black, and
the at least one second stepped surface includes a part facing the fourth direction, the part being opened or colored in black.