Title:
キーボード
Document Type and Number:
Japanese Patent JP6502706
Kind Code:
B2
Abstract:
An object of the present invention is to improve visibility of a keybutton. In a keyboard in which a keybutton 11 supported by a housing 12 is disposed to oppose an operation detection portion 15 on an axial line X along an operating direction of the keybutton 11, a light source L is provided further on an outer side than the operation detection portion 15 on a substrate 30 when viewed from an axial direction of the axial line X, a light guide member 50 which guides light from the light source L to a keytop 110 of the keybutton 11 is formed of a material having a refractive index which is higher than that of the air and is provided in the housing 12, the light guide member 50 includes an incident portion 51 disposed to oppose the light source L in the axial direction of the axial line X, an emitting portion 53 disposed to oppose the keytop 110 at a position hidden by the keybutton 11 when viewed from the axial direction of the axial line X, and a guide portion 52 which guides the light, from the light source L, incident from the incident portion 51 to the emitting portion 53, and an incident surface 510 which is a surface that opposes the light source L of the incident portion 51 is formed in a shape of a curved surface that protrudes to the light source L side.
Inventors:
Kazumi Enomoto
Enomoto Kenki
Enomoto Kenki
Application Number:
JP2015042137A
Publication Date:
April 17, 2019
Filing Date:
March 04, 2015
Export Citation:
Assignee:
Topre Corporation
International Classes:
H01H13/02; H01H13/70
Domestic Patent References:
| JP2002289058A | ||||
| JP4018884U | ||||
| JP4046329U | ||||
| JP56154722U |
Attorney, Agent or Firm:
Naohiko Takehara
Tetsuro Maki
Maki Reiko
Tetsuro Maki
Maki Reiko