DATA INPUT APPARATUS - MATSUSHITA ELECTRIC IND CO LTD

Title:

DATA INPUT APPARATUS

Document Type and Number:

Japanese Patent JP2005165804

Kind Code:

A

Abstract:

To provide a data input apparatus capable of avoiding an increase in power consumption caused by projecting keyboard images unceasingly.

The data input apparatus is provided with: a projection part 11 for projecting the keyboard images; an input detection part 12 for detecting a position of an obstacle on the keyboard images projected by the projection part 11; a conversion part 13 for converting the position of the obstacle detected by the input detection part 12 into data corresponding to the position; and a projection control part 14 for causing the projection part 11 to project the keyboard images when the input detection part 12 has detected the obstacle at the projection position of the keyboard images in the case that the projection part 11 does not project the keyboard images.

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Inventors:

FUJIMOTO MAKOTO
AKAHORI HIROSHI

Application Number:

JP2003405398A

Publication Date:

June 23, 2005

Filing Date:

December 04, 2003

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD

International Classes:

G06F1/32; G06F3/02; G06F3/023; H03M11/04; (IPC1-7): G06F3/023; G06F1/32; G06F3/02; H03M11/04

Attorney, Agent or Firm:

Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito

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