JPS6249125U - - Google Patents
Info
- Publication number
- JPS6249125U JPS6249125U JP3457786U JP3457786U JPS6249125U JP S6249125 U JPS6249125 U JP S6249125U JP 3457786 U JP3457786 U JP 3457786U JP 3457786 U JP3457786 U JP 3457786U JP S6249125 U JPS6249125 U JP S6249125U
- Authority
- JP
- Japan
- Prior art keywords
- light
- external light
- light detection
- lens
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Instrument Panels (AREA)
Description
第１図は車輌用表示装置に適用した本考案によ
る外光検出装置の実施例を示すブロツク図、第２
図及び第３図は外光検出装置の必要性を説明する
ための説明図、第４図は従来の外光検出装置の一
例を示す図である。
４…レンズ、５…表示デイバイス、７…ハーフ
ミラー、１３…光検出素子。
Fig. 1 is a block diagram showing an embodiment of the external light detection device according to the present invention applied to a vehicle display device;
3 and 3 are explanatory diagrams for explaining the necessity of an external light detection device, and FIG. 4 is a diagram showing an example of a conventional external light detection device. 4...Lens, 5...Display device, 7...Half mirror, 13...Photodetection element.
Claims (1)
置において、 前記レンズと内部デバイスの間に設けられたハ
ーフミラーと、 前記レンズを通じて外部から入射され、前記ハ
ーフミラーによつて反射された外光を検出する光
検出手段とを備え、 前記光検出手段が所定値を越えるレベルの外光
の入射を検出したとき信号を発生することを特徴
とする外光検出装置。[Claims for Utility Model Registration] An optical device in which light is projected or incident through a lens, comprising: a half mirror provided between the lens and an internal device; 1. An external light detection device, comprising: a light detection means for detecting external light reflected by the light, and generating a signal when the light detection means detects incidence of external light at a level exceeding a predetermined value.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3457786U JPS6249125U (en) | 1986-03-12 | 1986-03-12 | |
| US06/850,126 US4711544A (en) | 1985-04-12 | 1986-04-10 | Display system for vehicle |
| EP86105024A EP0202460B1 (en) | 1985-04-12 | 1986-04-11 | Display systems for vehicle |
| DE8686105024T DE3677410D1 (en) | 1985-04-12 | 1986-04-11 | DISPLAY DEVICE FOR VEHICLES. |
| US06/866,714 US4886328A (en) | 1985-09-11 | 1986-05-27 | Display apparatus for vehicle with means to prevent solar heating thereof |
| EP86107424A EP0216014B1 (en) | 1985-09-11 | 1986-05-28 | Display apparatus for vehicle |
| DE8686107424T DE3668588D1 (en) | 1985-09-11 | 1986-05-28 | DISPLAY DEVICE FOR MOTOR VEHICLES. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3457786U JPS6249125U (en) | 1986-03-12 | 1986-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6249125U true JPS6249125U (en) | 1987-03-26 |
Family
ID=30843262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3457786U Pending JPS6249125U (en) | 1985-04-12 | 1986-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6249125U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56147564A (en) * | 1980-04-18 | 1981-11-16 | Canon Inc | Video camera |
-
1986
- 1986-03-12 JP JP3457786U patent/JPS6249125U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56147564A (en) * | 1980-04-18 | 1981-11-16 | Canon Inc | Video camera |
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