JPH0358085U - - Google Patents
Info
- Publication number
- JPH0358085U JPH0358085U JP11948489U JP11948489U JPH0358085U JP H0358085 U JPH0358085 U JP H0358085U JP 11948489 U JP11948489 U JP 11948489U JP 11948489 U JP11948489 U JP 11948489U JP H0358085 U JPH0358085 U JP H0358085U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- projection device
- detecting
- projects
- circuit
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は同実施例のセンサの一例を示す図であり、第
３図はその特性図である。
２……光源、４ａ，４ｂ，４ｃ，４ｄ……ダイ
クロイツクミラ、６ａ，６ｂ，６ｃ，６ｄ……液
晶パネル、９……センサ、１０……制御回路、１
１……映像信号処理回路。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a diagram showing an example of the sensor of the same embodiment, and FIG. 3 is a characteristic diagram thereof. 2...Light source, 4a, 4b, 4c, 4d...Dichroic mirror, 6a, 6b, 6c, 6d...Liquid crystal panel, 9...Sensor, 10...Control circuit, 1
1...Video signal processing circuit.
Claims (1)
プロジエクシヨン装置において、投射面からの反
射光を受光して色温度を検出する手段と、該検出
手段の出力が与えられてホワイトバランスを制御
する回路とを備えてなることを特徴とする液晶プ
ロジエクシヨン装置。 In a liquid crystal projection device that projects an image formed on a liquid crystal panel, there is provided means for detecting color temperature by receiving reflected light from a projection surface, and an output from the detecting means is provided to control white balance. A liquid crystal projection device comprising a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989119484U JPH0741269Y2 (en) | 1989-10-12 | 1989-10-12 | LCD projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989119484U JPH0741269Y2 (en) | 1989-10-12 | 1989-10-12 | LCD projection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0358085U true JPH0358085U (en) | 1991-06-05 |
| JPH0741269Y2 JPH0741269Y2 (en) | 1995-09-20 |
Family
ID=31667607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989119484U Expired - Fee Related JPH0741269Y2 (en) | 1989-10-12 | 1989-10-12 | LCD projection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0741269Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000112021A (en) * | 1998-10-01 | 2000-04-21 | Canon Inc | Projection type display device |
| JP4651638B2 (en) * | 2007-04-11 | 2011-03-16 | ヤマトエスロン株式会社 | Conductive resin laminate sheet and uncharged resin container |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6197283U (en) * | 1984-11-30 | 1986-06-21 |
-
1989
- 1989-10-12 JP JP1989119484U patent/JPH0741269Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6197283U (en) * | 1984-11-30 | 1986-06-21 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000112021A (en) * | 1998-10-01 | 2000-04-21 | Canon Inc | Projection type display device |
| JP4651638B2 (en) * | 2007-04-11 | 2011-03-16 | ヤマトエスロン株式会社 | Conductive resin laminate sheet and uncharged resin container |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0741269Y2 (en) | 1995-09-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |