Pen-shaped optical mouse
First Claim
1. A pen-shaped optical mouse for displaying a pointer or cursor on a computer monitor at a desired position in accordance with a movement thereof detected using a reflected light, the optical mouse comprising:
- a pen-shaped mouse body;
a transparent optical tip member mounted to one end of the mouse body;
an illuminating unit mounted in the mouse body, and adapted to irradiate light through the optical tip member onto a reflection surface arranged outside the mouse body, the illuminating unit including a light emitter, an optical fiber for guiding light emitted from the light emitter, and a prism arranged at an output end of the optical fiber;
a condenser lens mounted in the mouse body, and adapted to allow light reflected from the reflection surface to pass therethrough;
a bundle optical fiber for guiding the light passing through the condenser lens;
an imaging unit for receiving the light emerging from the bundle optical fiber, thereby forming an image;
an image sensor for receiving light outputted from the imaging unit, converting the received light into an electrical signal; and
a microcomputer for analyzing pattern information of the reflection surface inputted to the image sensor, based on the electrical signal outputted from the image sensor, detecting a moving direction and distance of the mouse, based on the analyzed pattern information, and transmitting information about the moving direction and distance to a computer body.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a pen-shaped optical mouse. The optical mouse has an optical fiber on the optical path of illuminating light, and an optical fiber bundle on the optical path of reflected light, respectively. The optical system of the optical mouse is realized irrespective of the optical paths and their lengths, showing a good image-transmitting feature to transmit good image to an image sensor. An image is input to the image sensor through an end of an optical tip where the image directly contacts a reflecting surface, which enhances the accuracy of the pen-shaped optical mouse since there is no change in the location of a mouse pointer or a focal length in spite of the change in the angle between the pen-shaped optical mouse and the reflecting surface.
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Citations
12 Claims
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1. A pen-shaped optical mouse for displaying a pointer or cursor on a computer monitor at a desired position in accordance with a movement thereof detected using a reflected light, the optical mouse comprising:
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a pen-shaped mouse body;
a transparent optical tip member mounted to one end of the mouse body;
an illuminating unit mounted in the mouse body, and adapted to irradiate light through the optical tip member onto a reflection surface arranged outside the mouse body, the illuminating unit including a light emitter, an optical fiber for guiding light emitted from the light emitter, and a prism arranged at an output end of the optical fiber;
a condenser lens mounted in the mouse body, and adapted to allow light reflected from the reflection surface to pass therethrough;
a bundle optical fiber for guiding the light passing through the condenser lens;
an imaging unit for receiving the light emerging from the bundle optical fiber, thereby forming an image;
an image sensor for receiving light outputted from the imaging unit, converting the received light into an electrical signal; and
a microcomputer for analyzing pattern information of the reflection surface inputted to the image sensor, based on the electrical signal outputted from the image sensor, detecting a moving direction and distance of the mouse, based on the analyzed pattern information, and transmitting information about the moving direction and distance to a computer body. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12)
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2. A pen-shaped optical mouse for displaying a pointer or cursor on a computer monitor at a desired position in accordance with a movement thereof detected using a reflected light, the optical mouse comprising:
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a pen-shaped mouse body;
a transparent optical tip member mounted to one end of the mouse body;
an illuminating unit mounted in the mouse body, and adapted to irradiate light onto a reflection surface arranged outside the mouse body, the illuminating unit including a light emitter, an optical fiber for guiding light emitted from the light emitter, and a prism arranged at an output end of the optical fiber;
a condenser lens mounted in the mouse body, and adapted to allow light reflected from the reflection surface to pass therethrough via the optical tip member;
a bundle optical fiber for guiding the light passing through the condenser lens;
an imaging unit for receiving the light emerging from the bundle optical fiber, thereby forming an image;
an image sensor for receiving light outputted from the imaging unit, converting the received light into an electrical signal; and
a microcomputer for analyzing pattern information of the reflection surface inputted to the image sensor, based on the electrical signal outputted from the image sensor, detecting a moving direction and distance of the mouse, based on the analyzed pattern information, and transmitting information about the moving direction and distance to a computer body.
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3. A pen-shaped optical mouse for displaying a pointer or cursor on a computer monitor at a desired position in accordance with a movement thereof detected using a reflected light, the optical mouse comprising:
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a pen-shaped mouse body;
a ball rotatably fitted in one end of the mouse body, the ball having a pattern on a surface thereof;
an illuminating unit mounted in the mouse body, and adapted to irradiate light onto the ball, the illuminating unit including a light emitter, an optical fiber for guiding light emitted from the light emitter, and a prism arranged at an output end of the optical fiber;
a condenser lens mounted in the mouse body, and adapted to allow light reflected from the ball to pass therethrough;
a bundle optical fiber for guiding the light passing through the condenser lens;
an imaging unit for receiving the light emerging from the bundle optical fiber, thereby forming an image;
an image sensor for receiving light outputted from the imaging unit, converting the received light into an electrical signal; and
a microcomputer for analyzing pattern information of the ball surface inputted to the image sensor, based on the electrical signal outputted from the image sensor, detecting a moving direction and distance of the mouse, based on the analyzed pattern information, and transmitting information about the moving direction and distance to a computer body.
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Specification