Abstract: An electronic apparatus includes a chassis, a keyboard device which is installed on the upper surface side of the chassis and has a plurality of keycaps and a frame which is installed on the upper surface side of the chassis and isolates the respective keycaps of the keyboard device from one another, in which each of at least some of the plurality of keycaps has an upper plate which forms an operation surface, and side walls on four sides which are provided so as to hang down from a peripheral edge part of the upper plate and face the frame respectively, and in at least the side wall on one side of the side walls on the four sides, a flow path formation part which widens a clearance between that side wall and the frame and thereby forms an air flow path is provided.

Abstract: A keyboard unit includes a plurality of keytops; a baseplate supporting the plurality of keytops; and a light-emitting module having a light guide plate, a first flexible sheet covering a first surface of the light guide plate, and a second flexible sheet covering a second surface of the light guide plate opposite to the first surface of the light guide plate, wherein the light-emitting module is disposed on the baseplate such that the first flexible sheet is between the baseplate and the light guide plate, a hole is formed in the light-emitting module through the light guide plate, the first flexible sheet, and the second flexible sheet, and at a periphery of the hole, the second flexible sheet is fixed to the baseplate to form a continuous barrier from the second surface of the light guide plate to the baseplate.

Abstract: A keyboard unit includes: keytops; a baseplate supporting the keytops; a light-emitting module having a light guide plate, a first reflective sheet covering a top surface of the light guide plate, and a second reflective sheet covering a bottom surface of the light guide plate, the light-emitting module being stacked on a bottom surface of the baseplate; and a hole penetrating the light-emitting module vertically. The light-emitting module includes: at a periphery of the hole, a light-shielding portion where the first and second reflective sheets are in contact with each other, the light-shielding portion covering an edge of the light guide plate; and an adhesive portion located closer to the hole than the light-shielding portion, and at the adhesive portion, the second reflective sheet covering an edge of the first reflective sheet and the second reflective sheet adhering to a bottom surface of the baseplate.

Abstract: An electronic apparatus includes a chassis, a keyboard device, a frame including partition walls, and a fan device. At least part of the partition walls has a bottom edge surface notched to form an air flow path between the notched bottom edge surface and a top surface of the plate-shaped member, to have a communicating path through which adjacent key arrangement holes communicate. A height of the communicating path in a region not overlapping with the fan device is lower than a height of the communicating path in a region overlapping with the fan device, in a plan view of the chassis.

Abstract: An electronic apparatus includes a chassis, a keyboard device which is installed on the upper surface side of the chassis and has a plurality of keycaps and a frame which is installed on the upper surface side of the chassis and isolates the respective keycaps of the keyboard device from one another, in which each of at least some of the plurality of keycaps has an upper plate which forms an operation surface, and side walls on four sides which are provided so as to hang down from a peripheral edge part of the upper plate and face the frame respectively, and in at least the side wall on one side of the side walls on the four sides, a flow path formation part which widens a clearance between that side wall and the frame and thereby forms an air flow path is provided.

Abstract: An electronic apparatus includes: an apparatus chassis including therein an electronic board; a keyboard provided on a top of the apparatus chassis; and a fan device that includes a fan chassis and a blade part. The fan chassis includes a first air intake formed on a bottom surface thereof, a second air intake formed on a top surface thereof, and an air outlet formed on a side surface thereof. The blade part rotates inside the fan chassis. The fan device is arranged between a basal plate and a bottom surface of the keyboard inside the apparatus chassis. The basal plate includes a first inlet at a position overlapping the first air intake. The keyboard includes a second inlet that makes air pass through the keyboard in an up-down direction thereof. The electronic apparatus further includes a first water stop member that separates the first air intake from the electronic board.

Abstract: An electronic apparatus having key tops that can be illuminated without cooling performance being affected is described. The electronic apparatus includes: a chassis and a keyboard device having a set of key tops; a base plate for supporting the key tops; a membrane sheet laminated on a top surface side of the base plate; a light guide plate laminated on a bottom surface side of the base plate; and a light source module for irradiating the key tops with light via the light guide plate. The keyboard device, which is located on a top surface side of the chassis, includes an inlet port for passing air in a top-bottom direction and a set of individual light sources arranged respectively on bottom surface sides of a part of the key tops that is located to overlap the inlet port.

Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a keyboard having a support plate, a set of keytops configured to be supported on an upper face side of the support plate to be vertically movable, a pointing stick configured to be installed on the upper face side of the support plate and to be surrounded by the set of keytops, a bracket member installed on the lower face side of the support plate and to support the pointing stick, and a screw, which is located in a space between the set of keytops, secures the bracket member to the support plate, in which a head or a tip of the screw projects more upward than the upper face of the support plate.

Abstract: An electronic apparatus having key tops that can be illuminated without cooling performance being affected is described. The electronic apparatus includes: a chassis and a keyboard device having a set of key tops; a base plate for supporting the key tops; a membrane sheet laminated on a top surface side of the base plate; a light guide plate laminated on a bottom surface side of the base plate; and a light source module for irradiating the key tops with light via the light guide plate. The keyboard device, which is located on a top surface side of the chassis, includes an inlet port for passing air in a top-bottom direction and a set of individual light sources arranged respectively on bottom surface sides of a part of the key tops that is located to overlap the inlet port.

Abstract: An electronic apparatus includes: an apparatus chassis including therein an electronic board; a keyboard provided on a top of the apparatus chassis; and a fan device that includes a fan chassis and a blade part. The fan chassis includes a first air intake formed on a bottom surface thereof, a second air intake formed on a top surface thereof, and an air outlet formed on a side surface thereof. The blade part rotates inside the fan chassis. The fan device is arranged between a basal plate and a bottom surface of the keyboard inside the apparatus chassis. The basal plate includes a first inlet at a position overlapping the first air intake. The keyboard includes a second inlet that makes air pass through the keyboard in an up-down direction thereof. The electronic apparatus further includes a first water stop member that separates the first air intake from the electronic board.

Abstract: Apparatuses and systems that include a keyboard baseplate including a concave structure with a logic substrate housed therein are disclosed. One apparatus includes a keyboard baseplate including a concave structure formed thereon and a lower surface having a side. The apparatus further includes a logic substrate provided on the side of the lower surface of the baseplate and housed within the concave structure. The logic substrate is configured to receive an analog signal generated by a sensor and convert the analog signal to a digital signal.

Abstract: A keyboard device is provided with a base plate configured by arranging a plurality of plate members, a plurality of keytops vertically movably supported on the upper surface side of the base plate, a frame attached to the upper surface side of the base plate and having a plurality of hole portions into which the keytops are vertically movably inserted, and a fastening tool provided at a position overlapping with a plate boundary portion formed between the facing end surfaces of the plate members adjacent to each other and simultaneously fastening the adjacent plate members to the frame.

Abstract: A keyboard device is provided with a base plate, a plurality of key tops, a membrane sheet, and a frame. The frame has a frame portion interposed between the key tops adjacent to each other and partitions each key top in a vertically movable state by the formation of a gap between the side surface of the frame portion and the side surface of the key top. The base plate has a notch portion at a position at least overlapping with a portion under the gap.

Abstract: A keyboard device is provided with a base plate, a plurality of key tops, a membrane sheet, and a frame. The frame has a frame portion interposed between the key tops adjacent to each other and partitions each key top in a vertically movable state by the formation of a gap between the side surface of the frame portion and the side surface of the key top. The base plate has a notch portion at a position at least overlapping with a portion under the gap.

Abstract: A keyboard device is provided with a base plate configured by arranging a plurality of plate members, a plurality of keytops vertically movably supported on the upper surface side of the base plate, a frame attached to the upper surface side of the base plate and having a plurality of hole portions into which the keytops are vertically movably inserted, and a fastening tool provided at a position overlapping with a plate boundary portion formed between the facing end surfaces of the plate members adjacent to each other and simultaneously fastening the adjacent plate members to the frame.

Abstract: An input device includes a base plate and a push button rotatably provided on a top surface of the base plate. The base plate has a bearing part protruding from the top surface. The push button has an operation surface part receiving a push down operation and a positioning part rotatably supported by the bearing part. The positioning part positions the push button in the plate thickness direction of the bearing part by an abutting part abutting on a first face of the bearing part and a pushing part resiliently biased toward and pushing a second face of the bearing part.

Abstract: Apparatuses and systems that include a keyboard baseplate including a concave structure with a logic substrate housed therein are disclosed. One apparatus includes a keyboard baseplate including a concave structure formed thereon and a lower surface having a side. The apparatus further includes a logic substrate provided on the side of the lower surface of the baseplate and housed within the concave structure. The logic substrate is configured to receive an analog signal generated by a sensor and convert the analog signal to a digital signal.

Abstract: A keyboard device is provided. The keyboard device includes a baseplate, a set of keytops, a frame, and a set of plate members. The set of keytops is supported in a vertically movable manner on an upper surface side of the baseplate. The frame mounted on the upper surface side of the baseplate, and the frame includes a set of openings in which the keytops are inserted in a vertically movable manner. The set of plate members arranged along a longer direction within the baseplate, and bridges that connect adjacent plate members. The adjacent plate members are arranged with a gap provided between end surfaces thereof that oppose each other and are relatively movable through at least the bridges in a direction in which the plate members are arranged.

Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a keyboard having a support plate, a set of keytops configured to be supported on an upper face side of the support plate to be vertically movable, a pointing stick configured to be installed on the upper face side of the support plate and to be surrounded by the set of keytops, a bracket member installed on the lower face side of the support plate and to support the pointing stick, and a screw, which is located in a space between the set of keytops, secures the bracket member to the support plate, in which a head or a tip of the screw projects more upward than the upper face of the support plate.

Abstract: A keycap detachably provided on a guide mechanism of a key switch includes a cap main body having a front face pressed at the time of key input and a rear face on the opposite side to the front face; and a first engaging projection and a second engaging projection, both of which protrude from the rear face of the cap main body with a gap therebetween so that an engaging portion of the guide mechanism is detachably engaged into the gap. At least a part of an area around the first engaging projection and the second engaging projection in the cap main body has a thin part thinner than other parts of the cap main body. As a result, the falling off of the keycap can be prevented.