JPH02122464U - - Google Patents
Info
- Publication number
- JPH02122464U JPH02122464U JP3201489U JP3201489U JPH02122464U JP H02122464 U JPH02122464 U JP H02122464U JP 3201489 U JP3201489 U JP 3201489U JP 3201489 U JP3201489 U JP 3201489U JP H02122464 U JPH02122464 U JP H02122464U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- light emitting
- visible light
- emitting semiconductor
- blinking
- 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
- 239000004065 semiconductor Substances 0.000 claims description 7
- 230000004397 blinking Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案に係わる可視光発光型半導体レ
ーザー駆動装置の要部を概念的に示すブロツク回
路図、第２図はオートパワーコントロール部のブ
ロツク図、第３図は本考案に係わるペン型バーコ
ードリーダのペン体の内部構成を示す断面図、第
４図は第３図の−線に沿う断面図、第５図は
第３図の−線に沿う断面図、第６図は第３図
に示す集光レンズの取付け部分の拡大図、第７図
は高周波信号の説明図、第８図は従来の可視光発
光型半導体レーザー駆動装置のペン体の概略構成
を示す図、である。
１０……半導体レーザー、４７……駆動回路部
、５０……オートパワーコントロール部、６６…
…発振器、Ｑ……トランジスタ、Ｔ……対象物。
Fig. 1 is a block circuit diagram conceptually showing the main parts of the visible light emitting semiconductor laser drive device according to the present invention, Fig. 2 is a block diagram of the auto power control section, and Fig. 3 is a pen type according to the present invention. A cross-sectional view showing the internal structure of the pen body of the barcode reader, FIG. 4 is a cross-sectional view taken along the - line in FIG. 3, FIG. 5 is a cross-sectional view taken along the - line in FIG. FIG. 7 is an explanatory diagram of a high frequency signal, and FIG. 8 is a diagram showing a schematic structure of a pen body of a conventional visible light emitting type semiconductor laser driving device. 10...Semiconductor laser, 47...Drive circuit section, 50...Auto power control section, 66...
...Oscillator, Q...Transistor, T...Object.
Claims (1)
ーザの可視光発光型半導体レーザー駆動装置であ
つて、 前記可視発光型半導体レーザーを所定周期で点
滅駆動させる点滅駆動手段を設けたことを特徴と
する可視光発光型半導体レーザー駆動装置。[Claims for Utility Model Registration] A visible light emitting semiconductor laser driving device for a visible light emitting semiconductor laser that emits visible laser light, comprising a blinking drive means for blinking the visible light emitting semiconductor laser at a predetermined period. A visible light emitting semiconductor laser drive device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3201489U JPH02122464U (en) | 1989-03-20 | 1989-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3201489U JPH02122464U (en) | 1989-03-20 | 1989-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122464U true JPH02122464U (en) | 1990-10-08 |
Family
ID=31258304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3201489U Pending JPH02122464U (en) | 1989-03-20 | 1989-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122464U (en) |
-
1989
- 1989-03-20 JP JP3201489U patent/JPH02122464U/ja active Pending