JPH02119615U - - Google Patents
Info
- Publication number
- JPH02119615U JPH02119615U JP2540389U JP2540389U JPH02119615U JP H02119615 U JPH02119615 U JP H02119615U JP 2540389 U JP2540389 U JP 2540389U JP 2540389 U JP2540389 U JP 2540389U JP H02119615 U JPH02119615 U JP H02119615U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- laser
- pointer device
- projection surface
- acceleration sensor
- 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
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例に係るレーザポイン
タ装置の構成を示す断面図、第２図は第１図中の
電子回路の構成を示す回路ブロツク図、第３図ａ
〜ｄは第２図に示した電子回路のタイミングチヤ
ート、第４図はレーザポインタ装置の手ぶれによ
る投射面でのスポツトのふらつきを説明するため
の図である。
図において、１……半導体レーザ、２……光学
系、３……支持部材、４……筐体、５……圧電素
子、６……電子回路、７……電源、８……スポツ
トのふらつき、１１……自動光出力制御回路（Ａ
ＰＣ回路）、１２……バンドパスフイルタ（ＢＰ
Ｆ）、１３……スイツチング回路である。
FIG. 1 is a sectional view showing the configuration of a laser pointer device according to an embodiment of the present invention, FIG. 2 is a circuit block diagram showing the configuration of the electronic circuit in FIG. 1, and FIG.
-d are timing charts of the electronic circuit shown in FIG. 2, and FIG. 4 is a diagram for explaining the fluctuation of the spot on the projection surface due to camera shake of the laser pointer device. In the figure, 1... Semiconductor laser, 2... Optical system, 3... Support member, 4... Housing, 5... Piezoelectric element, 6... Electronic circuit, 7... Power supply, 8... Spot fluctuation , 11... Automatic light output control circuit (A
PC circuit), 12...Band pass filter (BP
F), 13... is a switching circuit.
Claims (1)
光して光ビームとしこの光ビームを投射面に投射
することにより点指示を行うレーザポインタ装置
において、 レーザポインタ装置の手ぶれを検出する加速度
センサと、 この加速度センサからの出力に応じて前記半導
体レーザをスイツチングさせて投射面に投射され
る光ビームのふらつきを抑制する電子回路と を有することを特徴とするレーザポインタ装置
。[Scope of Claim for Utility Model Registration] A laser pointer device that directs a point by condensing laser light generated by a semiconductor laser using an optical system to form a light beam and projecting this light beam onto a projection surface. A laser pointer device comprising: an acceleration sensor that detects camera shake; and an electronic circuit that switches the semiconductor laser according to the output from the acceleration sensor to suppress fluctuation of a light beam projected onto a projection surface. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2540389U JPH0717056Y2 (en) | 1989-03-06 | 1989-03-06 | Laser pointer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2540389U JPH0717056Y2 (en) | 1989-03-06 | 1989-03-06 | Laser pointer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02119615U true JPH02119615U (en) | 1990-09-26 |
| JPH0717056Y2 JPH0717056Y2 (en) | 1995-04-19 |
Family
ID=31246109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2540389U Expired - Lifetime JPH0717056Y2 (en) | 1989-03-06 | 1989-03-06 | Laser pointer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717056Y2 (en) |
-
1989
- 1989-03-06 JP JP2540389U patent/JPH0717056Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717056Y2 (en) | 1995-04-19 |
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