Title:
接触技術の改良
Document Type and Number:
Japanese Patent JP4714144
Kind Code:
B2
Abstract:
A touchpad comprising a supporting medium ( 3 ) supporting a plurality of spaced apart conductors ( 2 ) in which there is no electrical contact between the conductors, each conductor being sensitive to the proximity of a finger ( 1 ) to vary the capacitance of said conductor ( 2 ) to detect the presence of said finger ( 1 ) positioned close to that conductor, the touchpad further comprising a means ( 4 ) to concentrate electric field between conductors ( 2 ) towards the plane of the supporting medium ( 3 ).
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Inventors:
Binstead, Ronald, Peter
Application Number:
JP2006516408A
Publication Date:
June 29, 2011
Filing Date:
June 14, 2004
Export Citation:
Assignee:
Binstead, Ronald, Peter
International Classes:
G06F3/044; G06F3/00; G06F3/033; G06K11/00; H01H36/00; H03K17/96
Domestic Patent References:
| JP60192033U | ||||
| JP59036550U | ||||
| JP58211241A | ||||
| JP9212302A | ||||
| JP60140419A | ||||
| JP8044493A | ||||
| JP7302155A | ||||
| JP63008818A | ||||
| JP54160136A | ||||
| JP2002312116A | ||||
| JP9511086A | ||||
| JP61501953A |
Attorney, Agent or Firm:
Mikio Hatta