Casio Computer Co., Ltd.

Naoto Imamura

Kouji Oshima

Ryohei Kobayashi

Shingo Fukushima

Yuuki Nakajima

Mari Nakajima

Naoya Ishibashi

So Sato

Ryohei Kawada

Shota Yamada

A keyboard instrument includes: a case (upper case) including a back surface member having an insertion port into which a music stand is inserted, and an upper surface member having a recessed portion provided corresponding to the insertion port; and an exterior member that is disposed on an upper side of the upper surface member and covers the recessed portion.

Keyboard instrument

A keyboard musical instrument includes a musical instrument case including an upper case, and a lower case having a concave part provided on a lower surface and opened on an outer peripheral surface-side, and a strap pin fixing portion is arranged in the concave part.

Keyboard musical instrument

An electronic portable keyboard instrument includes: a lower casing that includes a plurality of supporting members that support the fulcrums of a plurality of hammers, and a plurality of reinforcing members arranged in the first direction, each reinforcing member having a shape of rib that is erected upward from the lower casing and that is running in a length direction of the keys, wherein each of the plurality of supporting members sandwiches, from sides in the first direction, the corresponding hammer at the fulcrum so as to restrict movement of the hammer in the first direction, and wherein each of the reinforcing members is disposed in a gap between adjacent hammers, and a portion of the reinforcing members that corresponds to the weights of the adjacent hammers in position is lower than any other portions of the reinforcing member to avoid contacting the weights of the adjacent hammers.

A switch device () includes: a cap () including, on a top surface (), a first region () and a second region () corresponding to a position where an internal light () is disposed and being thinner than the first region (); and a switch () to which the cap () is mounted.

Switch device, electronic apparatus, and electronic musical instrument

A electronic portable keyboard instrument includes a plurality of keys arranged in a first direction; a plurality of hammers respectively corresponding to the plurality of keys, each of the plurality of hammers including a force application point that is formed on one end side and that is pressed down when the corresponding key is pressed, a weight that is formed on another end side and imparts action weight to a pressed key, and a fulcrum formed between the force application point and the weight so that the hammer rocks in vertical directions about the fulcrum when the corresponding key is pressed; and a casing including at least one reinforcing member that is formed in a gap between the plurality of hammers so as to not be contacted by the weights of the hammers when the hammers rock about the respective fulcrums with a lateral positional shift in the first direction.

A lid opening and closing apparatus including a lid, a shaft guide member which has a guide groove, a front side guide shaft which is provided on a front side of the lid and moved along the guide groove, a first braking member whose at least one portion is arranged on a movement trajectory of the front side guide shaft, and which brakes a closing movement of the lid, and a second braking member which brakes movement of the one portion of the first braking member which occurs by the front side guide shaft pressing the one portion of the first braking member on the movement trajectory when the closing movement is made.

Lid opening and closing apparatus and keyboard instrument

In order to prevent a page from returning from a page-turning end point to a page-turning start point and improve the reliability of page turning, in addition to a catching section having a plurality of vane sections provided on the outer circumferential surface, there are provided a pull-in roller which rotates around the rotation axis of the catching section and has a diameter smaller than that of the catching section and a pressing roller having a diameter smaller than that of the pull-in roller. When a page is conveyed by a sticking section, the catching section brings the page to a page-turning end point while rubbing the page surface with the rotating vane sections, and the pull-in roller pulls in the page caught by the vane sections of the catching section. The pressing roller presses the page pulled in by the pull-in roller at the page-turning end point.

Growing community of inventors

Tokyo, Japan

Naoto Imamura