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Patent Searching and Data


Title:
LIGHT EMISSION KEYBOARD
Document Type and Number:
Japanese Patent JP2013097780
Kind Code:
A
Abstract:

To provide a light emission keyboard for preventing the light quantity of a beam from being wasted.

A light emission keyboard includes: a plurality of keys, a thin film switch circuit; and a light emission module to be used for generating a beam. The thin film switch circuit generates a signal after being induced by a key, and the thin film switch includes a plurality of light guide areas, and at least one light guide area among the plurality of light guide areas has a light guide structure, and any light guide structure is not arranged at the position of a key connection point corresponding to the key in at least one light guide area. Therefore, it is possible to prevent a beam to be generated by the light emission module from being blocked by the key connection point, and from being wasted.


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Inventors:
CHAN YUN-EN
Application Number:
JP2011281394A
Publication Date:
May 20, 2013
Filing Date:
December 22, 2011
Export Citation:
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Assignee:
PRIMAX ELECTRONICS LTD
International Classes:
G06F3/02
Attorney, Agent or Firm:
Sakuo Yamaguchi