EP0146843A2
Expired / Lapsed
EP
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Optical mouse
Assignee: Nippon Steel Texeng Co Ltd
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Filing: 1984-12-05
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Granted: —
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Expires: 2004-12-05
Abstract
Abstract An optical mouse for inputting a cursor position including first and second line patterns formed on opposite surfaces of a transparent substrate, with the lines of the first and second line patterns being perpendicular. The line patterns are illuminated by a light source in the movable mouse body, which also includes an optical system and detecting elements for separately detecting light reflected from the first and second patterns. Because the first and second line patterns are located at different distances from the optical system, light reflected from the two patterns can be separately focused to prevent interference between the two patterns.
Inventors
- 👤 Takaaki Kato
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 22:39
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/0304; G06F3/0317; G06F3/033; G06F3/039; G06F3/0395
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
111 words
An nptical mouse comprising: a first line pattern provided on a first surface for detecting one direction of movement, said first line pattern comprising thin parallel lines made of a material which can be optically detected; a second line pattern provided on a second surface spaced a predetermined distance from caid first surface for detecting movement in a direction perpendicular to said one direction, said second line pattern comprising thin parallel lines made of a material which can be optically detected; means for illuminating said first and second line patterns; and line pattern reading means comprising optical means and detecting element means for separately detecting said first and second line patterns.
Claim 2
Dependent Claim
111 words
An nptical mouse comprising: a first line pattern provided on a first surface for detecting one direction of movement, said first line pattern comprising thin parallel lines made of a material which can be optically detected; a second line pattern provided on a second surface spaced a predetermined distance from caid first surface for detecting movement in a direction perpendicular to said one direction, said second line pattern comprising thin parallel lines made of a material which can be optically detected; means for illuminating said first and second line patterns; and line pattern reading means comprising optical means and detecting element means for separately detecting said first and second line patterns.
Claim 3
Dependent Claim
24 words
The optical mouse as claimed in claim 1, wherein lines of said first line pattern are perpendicular to lines of said second line pattern.
Claim 4
Dependent Claim
39 words
The optical mouse as claimed in claim 1., ; wherein said first line pattern is provided on an upper surface of a transparent substrate, and said second line pattern is provided nn a lower surface of said transparent substrate.
Claim 5
Dependent Claim
45 words
The optical mouse as claimed in claim l, further comprising a transparent film having said first line pattern laid on an upper surface of a transparent substrate, and a transparent film having said second line pattern laid on a lower surface of said transparent substrate.
Claim 6
Dependent Claim
31 words
The optical mouse as claimed in claim 1, wherein said first line pattern is semitransparent, and said line pattern reading device is provided on the side of said first line pattern.
Claim 7
Dependent Claim
19 words
The optical mouse as claimed in claim 5, said first line pattern is formed by dotting minute reflex points
Claim 8
Dependent Claim
48 words
The optical mouse as claimed in claim 1, wherein a width of each of said thin parallel lines of said first line pattern is smaller than a distance between adjacent ones thereof, and said line pattern reading device is provided on the side of said first line pattern.
Claim 9
Dependent Claim
14 words
The optical mouse as claimed in claim 7, wherein said line pattern is semitransparent.
Claim 10
Dependent Claim
25 words
The optical mouse as claimed in claim 1, further comprising a light absorbing layer provided over said second line pattern provided on said second plane.
Claim 11
Dependent Claim
36 words
The optical mouse as claimed in claim 1. wherein said optical means comprises a first optical system focused on said first line pattern, and a second optical system which is focused on said second line pattern.
Claim 12
Dependent Claim
104 words
A mouse pad for an optical mouse having an infrared ray source and detecting elements for separately detecting a first line pattern on said pad composed of light-reflecting parallel lines provided on a first surface of a transparent substrate for detecting movement in one direction, and a second line pattern of said pad composed of light-reflecting thin parallel lines provided on a second surface of said substrate which is opposite to said first surface for deleting movement in another direction different from said one direction, said substrate being made of a material having a transmissivity for visible rays much smaller than for infrared rays.
Claim 13
Dependent Claim
104 words
A mouse pad for an optical mouse having an infrared ray source and detecting elements for separately detecting a first line pattern on said pad composed of light-reflecting parallel lines provided on a first surface of a transparent substrate for detecting movement in one direction, and a second line pattern of said pad composed of light-reflecting thin parallel lines provided on a second surface of said substrate which is opposite to said first surface for deleting movement in another direction different from said one direction, said substrate being made of a material having a transmissivity for visible rays much smaller than for infrared rays.
Claim 14
Dependent Claim
17 words
The mouse pad as claimed in claim 11, wherein said transparent substrate is made of acrylic resin.
Claim 15
Dependent Claim
43 words
The mouse pad as claimed in claim 17, wherein said first surface i 6 an upper surface of said substrate, and said first line pattern on said upper surface of said substrate is covered with a protective film whose surface is microscopically uneven.
References Cited (Backward Citations)
No citation records indexed.
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