Motion trajectory capturing device and motion trajectory capturing module thereof
First Claim
1. A motion trajectory capturing device, comprising:
- a circuit substrate;
an external casing disposed on the circuit substrate, wherein the external casing has a top opening formed on the top side thereof;
a light-transmitting element disposed on the external casing to enclose the top opening of the external casing; and
a motion trajectory capturing module disposed inside the external casing, wherein the motion trajectory capturing module includes;
a light-emitting element electrically connected to the circuit substrate;
a light-splitting element disposed in front of the light-emitting element;
a first light-reflecting element disposed beside one side of the light-splitting element and separated from the light-splitting element by a first predetermined distance, wherein the first light-reflecting element has a light-reflecting curved surface;
a second light-reflecting element disposed beside another side of the light-splitting element and separated from the light-splitting element by a second predetermined distance;
a lens assembly disposed between the light-splitting element and the second light-reflecting element; and
a motion trajectory sensing element disposed under the second light-reflecting element and electrically connected to the circuit substrate;
wherein a projection light beam generated by the light-emitting element is reflected by the light-splitting element and the light-reflecting curved surface of the first light-reflecting element in sequence to form an illumination light beam that first passes through the light-transmitting element and then is projected onto an object moving on the light-transmitting element, the illumination light beam is reflected by the object to form an image light beam that is projected onto the light-reflecting curved surface and then is reflected by the light-reflecting curved surface, the image light beam first sequentially passes through the light-splitting element and the lens assembly and then is projected onto the motion trajectory sensing element through the second light-reflecting element, and the motion trajectory sensing element receives the image light beam to obtain a motion trajectory of the object moving on the light-transmitting element.
1 Assignment
0 Petitions
Accused Products
Abstract
A motion trajectory capturing module includes a light-emitting element, a light-splitting element, a first light-reflecting element, a second light-reflecting element, a lens assembly and a motion trajectory sensing element, characterized in that: a projection light beam generated by the light-emitting element is reflected by the light-splitting element and the first light-reflecting element in sequence to form an illumination light beam passing through a light-transmitting element and projected onto an object moving on the light-transmitting element, the illumination light beam is reflected by the object to form an image light beam reflected by the first light-reflecting element, the image light beam sequentially passes through the light-splitting element and the lens assembly and is projected onto the motion trajectory sensing element through the second light-reflecting element, and the motion trajectory sensing element receives the image light beam to obtain a motion trajectory of the object moving on the light-transmitting element.
2 Citations
10 Claims
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1. A motion trajectory capturing device, comprising:
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a circuit substrate; an external casing disposed on the circuit substrate, wherein the external casing has a top opening formed on the top side thereof; a light-transmitting element disposed on the external casing to enclose the top opening of the external casing; and a motion trajectory capturing module disposed inside the external casing, wherein the motion trajectory capturing module includes; a light-emitting element electrically connected to the circuit substrate; a light-splitting element disposed in front of the light-emitting element; a first light-reflecting element disposed beside one side of the light-splitting element and separated from the light-splitting element by a first predetermined distance, wherein the first light-reflecting element has a light-reflecting curved surface; a second light-reflecting element disposed beside another side of the light-splitting element and separated from the light-splitting element by a second predetermined distance; a lens assembly disposed between the light-splitting element and the second light-reflecting element; and a motion trajectory sensing element disposed under the second light-reflecting element and electrically connected to the circuit substrate; wherein a projection light beam generated by the light-emitting element is reflected by the light-splitting element and the light-reflecting curved surface of the first light-reflecting element in sequence to form an illumination light beam that first passes through the light-transmitting element and then is projected onto an object moving on the light-transmitting element, the illumination light beam is reflected by the object to form an image light beam that is projected onto the light-reflecting curved surface and then is reflected by the light-reflecting curved surface, the image light beam first sequentially passes through the light-splitting element and the lens assembly and then is projected onto the motion trajectory sensing element through the second light-reflecting element, and the motion trajectory sensing element receives the image light beam to obtain a motion trajectory of the object moving on the light-transmitting element. - View Dependent Claims (2, 3, 4)
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5. A motion trajectory capturing module, comprising:
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a light-emitting element; a light-splitting element disposed in front of the light-emitting element; a first light-reflecting element disposed beside one side of the light-splitting element and separated from the light-splitting element by a first predetermined distance, wherein the first light-reflecting element has a light-reflecting curved surface; a second light-reflecting element disposed beside another side of the light-splitting element and separated from the light-splitting element by a second predetermined distance; a lens assembly disposed between the light-splitting element and the second light-reflecting element; and a motion trajectory sensing element disposed under the second light-reflecting element; wherein a projection light beam generated by the light-emitting element is reflected by the light-splitting element and the light-reflecting curved surface of the first light-reflecting element in sequence to form an illumination light beam that first passes through a light-transmitting element and then is projected onto an object moving on the light-transmitting element, the illumination light beam is reflected by the object to form an image light beam that is projected onto the light-reflecting curved surface and then is reflected by the light-reflecting curved surface, the image light beam first sequentially passes through the light-splitting element and the lens assembly and then is projected onto the motion trajectory sensing element through the second light-reflecting element, and the motion trajectory sensing element receives the image light beam to obtain a motion trajectory of the object moving on the light-transmitting element. - View Dependent Claims (6, 7)
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8. A motion trajectory capturing module comprising a light-emitting element, a light-splitting element, a first light-reflecting element, a second light-reflecting element, a lens assembly and a motion trajectory sensing element, characterized in that:
a projection light beam generated by the light-emitting element is reflected by the light-splitting element and a light-reflecting curved surface of the first light-reflecting element in sequence to form an illumination light beam that first passes through a light-transmitting element and then is projected onto an object moving on the light-transmitting element, the illumination light beam is reflected by the object to form an image light beam that is projected onto the light-reflecting curved surface and then is reflected by the light-reflecting curved surface, the image light beam first sequentially passes through the light-splitting element and the lens assembly and then is projected onto the motion trajectory sensing element through the second light-reflecting element, and the motion trajectory sensing element receives the image light beam to obtain a motion trajectory of the object moving on the light-transmitting element. - View Dependent Claims (9, 10)
Specification