JPS568105A - Indirect visual field watching device for automobile - Google Patents
Indirect visual field watching device for automobileInfo
- Publication number
- JPS568105A JPS568105A JP8455979A JP8455979A JPS568105A JP S568105 A JPS568105 A JP S568105A JP 8455979 A JP8455979 A JP 8455979A JP 8455979 A JP8455979 A JP 8455979A JP S568105 A JPS568105 A JP S568105A
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- visual field
- objective lens
- optical fibers
- lens system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
PURPOSE: To make the watching of lateral visual fields easy by installing an objective lens system in the target visual field direction and leading the image thus obtained to the position where it is readily visible from the driver, by means of plastic- base optical fibers.
CONSTITUTION: A multiplicity of optical fibers 1 are so disposed that the respective fibers oppose accurately positionally at both end faces. They are fixed to each other at both end faces by means of an adhesive agent, and if necessary, mouthpieces 2 are fixed to both ends and they are further polished. Also, they are coated with a protecting material 3. A lens-barrel 7 housing an objective lens system is mounted to the window of the assistant driver's seat by means of a mounting fitting 8, and is directed to a lateral visual field direction. Here, the optical fibers 1 are so fixed by way of the mouthpieces 2 that the end face of the optical fiber bundle comes to the focal position of the objective lens system. A lens-barrel 10 fixed with a Fresnel magnifying lens 9 is mounted to the other end of this optical fiber bundle 1 to provide an eyepiece system which is then fixed by means of a fitting 11. In this way, the watching of the lateral visual field may be done effectively and easily.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8455979A JPS568105A (en) | 1979-07-03 | 1979-07-03 | Indirect visual field watching device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8455979A JPS568105A (en) | 1979-07-03 | 1979-07-03 | Indirect visual field watching device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS568105A true JPS568105A (en) | 1981-01-27 |
Family
ID=13833992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8455979A Pending JPS568105A (en) | 1979-07-03 | 1979-07-03 | Indirect visual field watching device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS568105A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991007295A1 (en) * | 1989-11-15 | 1991-05-30 | Xylon Pty Limited | Blind spot viewing system |
| US5103713A (en) * | 1990-11-13 | 1992-04-14 | Hughes Aircraft Company | Imaging target sight |
| US5103567A (en) * | 1990-11-13 | 1992-04-14 | Aircraft Company Hughes | Gunner's augmentation sight |
| DE102019100913A1 (en) * | 2019-01-15 | 2020-07-16 | Nedinsco B.V. | Viewing device |
-
1979
- 1979-07-03 JP JP8455979A patent/JPS568105A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991007295A1 (en) * | 1989-11-15 | 1991-05-30 | Xylon Pty Limited | Blind spot viewing system |
| US5103713A (en) * | 1990-11-13 | 1992-04-14 | Hughes Aircraft Company | Imaging target sight |
| US5103567A (en) * | 1990-11-13 | 1992-04-14 | Aircraft Company Hughes | Gunner's augmentation sight |
| DE102019100913A1 (en) * | 2019-01-15 | 2020-07-16 | Nedinsco B.V. | Viewing device |
| DE102019100913B4 (en) | 2019-01-15 | 2020-07-30 | Nedinsco B.V. | Viewing device |
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