OMNIDIRECTIONAL LIGHT RECEPTION DEVICE AND INFRARED RECEIVING DEVICE
PROBLEM TO BE SOLVED: To provide an omnidirectional light reception device which is advantageous for securing a communication range. SOLUTION: The omnidirectional light reception device 20 is provided with a prism 22 and a light receiving element 24. The prism 22 has a cylindrical column 2202 and a...
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| creator | KAJIKURI JUNICHI |
| description | PROBLEM TO BE SOLVED: To provide an omnidirectional light reception device which is advantageous for securing a communication range. SOLUTION: The omnidirectional light reception device 20 is provided with a prism 22 and a light receiving element 24. The prism 22 has a cylindrical column 2202 and a cone part 2204 whose cross section becomes smaller as it goes to a tip at an upper end of the column 2202. The prism 22 is formed of synthetic resin having translucency. The prism 22 is arranged in a state where the cone part 2204 is positioned in an upper part and an axis of the cone part 2204 turns to a vertical direction. A cone face 2206 making a circumference face of the cone part 2204 constitutes a reflection face where light incident on the cone face 2206 from outside is reflected to an inner part of the column 2202 (to a lower end from the inner part of the column 2202). COPYRIGHT: (C)2006,JPO&NCIPI |
| format | Patent |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES TRANSMISSION |
| title | OMNIDIRECTIONAL LIGHT RECEPTION DEVICE AND INFRARED RECEIVING DEVICE |
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