Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2005-03-28
2008-03-11
Lee, Seung Ho (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S455000, C235S459000, C463S001000, C463S050000
Reexamination Certificate
active
07341188
ABSTRACT:
A position detection system includes: a scan beam illumination section which causes a first-direction line-shaped scan beam that is parallel to the X-axis to scan in the Y-axis direction at a predetermined scanning speed, then causes a second-direction line-shaped scan beam that is parallel to the Y-axis to scan in the X-axis direction at a predetermined scanning speed; a light-receiving section which detects the timings at which the first and second-direction line-shaped scan beams pass through a pointing position on a screen; and a position calculation section which calculates the pointing position by a pointing device on the screen, based on the time from the start of scanning of the first-direction line-shaped scan beam until the passage thereof through the pointing position is detected and the time from the start of scanning of the second-direction line-shaped scan beam until the passage thereof through the pointing position is detected.
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Aiki Shinichiro
Haga Sunao
Kawashima Koji
Kikuchi Masayuki
Kuwasawa Kazuya
NAMCO BANDAI Games Inc.
Oliff & Berridg,e PLC
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