US4580195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light projector
Assignee: Individual
•
Filing: 1984-10-29
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Granted: 1986-04-01
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Expires: 2004-10-29
Abstract
Abstract A light projector for effectively projecting, in order, the light energy transmitted through an optical conductor cable within a wide range of space. The light projector is comprised of an optical conductor rod having a light-receiving edge surface and a light-emitting edge surface and which is bent so that the plane of the light-receiving edge surface and the plane of the light-emitting edge surface intersect each other. The light-receiving edge surface of the optical conductor rod is formed opposite to the light-emitting end surface of an optical conductor member at the light source side of the light projector, and a rotating mechanism is provided for turning the optical conductor rod of the light projector at a linear portion of the optical conductor rod following the light-receiving edge surface thereof.
Inventors
- 👤 Kei Mori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; F; F21; F21S; F21S11/00; G02B2006/0098
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
108 words
A light projector receiving light from a light-emitting end surface of an optical conductor member, comprising an optical conductor rod having a light-receiving edge surface and a light-emitting edge surface, said optical conductor rod being bent such that the plane of said light-receiving edge surface and the plane of said light-emitting edge surface intersect each other, said light-receiving edge surface being disposed opposite to said light-emitting end surface of said optical conductor member at the light source side of the light projector, said optical conductor having a linear portion following said light-receiving edge surface, and a rotating mechanism for rotating said optical conductor rod at said linear portion.
Claim 2
Dependent Claim
108 words
A light projector receiving light from a light-emitting end surface of an optical conductor member, comprising an optical conductor rod having a light-receiving edge surface and a light-emitting edge surface, said optical conductor rod being bent such that the plane of said light-receiving edge surface and the plane of said light-emitting edge surface intersect each other, said light-receiving edge surface being disposed opposite to said light-emitting end surface of said optical conductor member at the light source side of the light projector, said optical conductor having a linear portion following said light-receiving edge surface, and a rotating mechanism for rotating said optical conductor rod at said linear portion.
Claim 3
Dependent Claim
27 words
A light projector according to claim 1, wherein said optical conductor rod has a tapered portion which decreases in diameter as said light-emitting edge surface is approached.
Claim 4
Dependent Claim
183 words
A light projector receiving light from a light-emitting end surface of an optical conductor member comprising a first optical conductor rod having a light-receiving edge surface and a light-emitting edge surface, said first optical conductor rod being bent such that the plane of said light-receiving edge surface and the plane of said light-emitting edge surface intersect each other, said light-receiving edge surface being disposed opposite to said light-emitting end surface of said optical conductor member at the light source side of the light projector, and a second optical conductor rod formed linearly, said second optical conductor rod having a light-receiving edge surface disposed opposite to the light-emitting edge surface of said first optical conductor rod and a light-reflecting edge surface formed on an inclined surface, said light-receiving edge surface of said first optical conductor rod being rotatably disposed opposite to the light-emitting end surface of said optical conductor member at the light source side of the light projector, said light-receiving edge surface of said second optical conductor rod being rotatably disposed opposite to the light-emitting edge surface of said first optical conductor rod.
Claim 5
Dependent Claim
183 words
A light projector receiving light from a light-emitting end surface of an optical conductor member comprising a first optical conductor rod having a light-receiving edge surface and a light-emitting edge surface, said first optical conductor rod being bent such that the plane of said light-receiving edge surface and the plane of said light-emitting edge surface intersect each other, said light-receiving edge surface being disposed opposite to said light-emitting end surface of said optical conductor member at the light source side of the light projector, and a second optical conductor rod formed linearly, said second optical conductor rod having a light-receiving edge surface disposed opposite to the light-emitting edge surface of said first optical conductor rod and a light-reflecting edge surface formed on an inclined surface, said light-receiving edge surface of said first optical conductor rod being rotatably disposed opposite to the light-emitting end surface of said optical conductor member at the light source side of the light projector, said light-receiving edge surface of said second optical conductor rod being rotatably disposed opposite to the light-emitting edge surface of said first optical conductor rod.
Claim 6
Dependent Claim
33 words
A light projector according to claim 3, wherein said second optical conductor rod has a light-emitting edge surface for emitting light reflected by said light-reflection edge surface of said second optical conductor rod.
Claim 7
Dependent Claim
44 words
A light projector according to claim 4 further comprising a third optical conductor rod extending from said light-emitting edge surface of said second optical conductor rod for guiding and emitting reflected light rays from said light-reflecting edge surface on said second optical conductor rod.
Claim 8
Dependent Claim
44 words
A light projector according to claim 5, wherein said third optical conductor rod has a light-emitting edge surface, said third optical conductor rod having a tapered portion which decreases in diameter as said light-emitting edge surface of said third optical conductor rod is approached.
Claim 9
Dependent Claim
55 words
A light projector according to claim 3 further comprising a unitary housing on which said first and second optical rods are disposed, first rotary means for rotating said housing about the axis of said first optical conductor rod, and second rotary means on said housing for rotating said second optical conductor rod within said housing.
Claim 10
Dependent Claim
28 words
A light projector according to claim 7, wherein said first rotary means rotates said unitary housing along with said first and second optical conductor rods on said housing.
Claim 11
Dependent Claim
52 words
A light projector according to claim 7, wherein said first optical conductor rod has a rod portion extending from said light-receiving edge surface of said first optical conductor rod, said first rotary means rotating said unitary housing such that said first optical conductor rod rotates about the axis of said rod portion.
Claim 12
Dependent Claim
49 words
A light projector according to claim 7, wherein said second optical conductor rod has a rod portion extending from said light-receiving edge surface of said second optical conductor rod, said second rotary means rotating said second optical conductor rod about the axis of the last of said rod portion.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-03-31 | 1989-09-30 | 1990-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-31 | 1993-09-30 | 1994-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-31 | 1997-09-30 | 1998-04-01 | $7700.00 | Window Closed / Lapsed |