JPH0424740U - - Google Patents
Info
- Publication number
- JPH0424740U JPH0424740U JP6475690U JP6475690U JPH0424740U JP H0424740 U JPH0424740 U JP H0424740U JP 6475690 U JP6475690 U JP 6475690U JP 6475690 U JP6475690 U JP 6475690U JP H0424740 U JPH0424740 U JP H0424740U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- ccd sensor
- crystal panel
- signal
- projection
- 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 7
- 230000003287 optical effect Effects 0.000 claims 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Focusing (AREA)
Description
第１図は本考案の一実施例の要部を示すブロツ
ク図、第２図は本考案に適用する液晶パネルの断
面図、第３図は液晶プロジエクシヨンの全体を説
明する概略図である。
１……投射機、２……液晶パネル、７……映像
信号処理回路、８……投射レンズ、１０……ＣＣ
Ｄイメージセンサ、Ｐ……マイクロプロセツサ、
Ｍ……レンズ駆動用モータ。
Figure 1 is a block diagram showing the main parts of an embodiment of the present invention, Figure 2 is a sectional view of a liquid crystal panel applied to the present invention, and Figure 3 is a schematic diagram illustrating the entire liquid crystal projection. . 1... Projector, 2... Liquid crystal panel, 7... Video signal processing circuit, 8... Projection lens, 10... CC
D image sensor, P... microprocessor,
M... Lens drive motor.
Claims (1)
に投射する投射型液晶プロジエクシヨンにおけて
、液晶パネル面の映像形成領域に近接する周辺領
域にＣＣＤセンサを設置し、上記ＣＣＤセンサに
フオーカスチエツク信号を供給する信号発生源を
設け、上記ＣＣＤセンサの出力に基づいて投射光
の光路を制御する光学系駆動機構を設けてなるこ
とを特徴とする液晶プロジエクシヨン。 In a projection type liquid crystal projection system that projects an image formed on a liquid crystal panel onto a screen surface, a CCD sensor is installed in a peripheral area close to the image forming area on the liquid crystal panel surface, and a focus check is performed on the CCD sensor. A liquid crystal projection device comprising: a signal generation source that supplies a signal; and an optical system drive mechanism that controls the optical path of the projected light based on the output of the CCD sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990064756U JP2550483Y2 (en) | 1990-06-19 | 1990-06-19 | LCD projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990064756U JP2550483Y2 (en) | 1990-06-19 | 1990-06-19 | LCD projection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0424740U true JPH0424740U (en) | 1992-02-27 |
| JP2550483Y2 JP2550483Y2 (en) | 1997-10-15 |
Family
ID=31595985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990064756U Expired - Fee Related JP2550483Y2 (en) | 1990-06-19 | 1990-06-19 | LCD projection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2550483Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01204012A (en) * | 1988-02-09 | 1989-08-16 | Minolta Camera Co Ltd | Microfilm reader |
| JPH01135434U (en) * | 1988-03-08 | 1989-09-18 |
-
1990
- 1990-06-19 JP JP1990064756U patent/JP2550483Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01204012A (en) * | 1988-02-09 | 1989-08-16 | Minolta Camera Co Ltd | Microfilm reader |
| JPH01135434U (en) * | 1988-03-08 | 1989-09-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2550483Y2 (en) | 1997-10-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |