JPS6370529U - - Google Patents
Info
- Publication number
- JPS6370529U JPS6370529U JP16463286U JP16463286U JPS6370529U JP S6370529 U JPS6370529 U JP S6370529U JP 16463286 U JP16463286 U JP 16463286U JP 16463286 U JP16463286 U JP 16463286U JP S6370529 U JPS6370529 U JP S6370529U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- optical deflector
- explanatory diagram
- diagram showing
- concave lens
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Description
第１図は本考案の実施例を示す説明図、第２図
は本考案の原理を示す説明図、第３図は本考案に
用いる凹レンズを示す平面図および側面図、第４
図は本考案に用いる凹レンズを示す斜視図、第５
図は超音波光変調器の原理を示す説明図、第６図
、第７図は超音波光変調器の構成を示す説明図、
第８図はビームステアリング法の原理を示す説明
図、第９図は光偏向器を用いてバーコードを読み
取る構成を示す説明図である。
１…超音波媒体、２…超音波振動子、３…発振
器、４…アンプ、５…フオトダイオード、６…レ
ンズ、７…光偏向器、８…バーコード読取出力、
９…バーコード、１０…光ビーム、１１…バーコ
ード面の散乱光、１２…凹レンズ、Ｐ…光源、Ｆ
１，Ｆ２…焦点、Ｃ…レンズ中心、Ｐ′…擬信光
源。
Fig. 1 is an explanatory diagram showing an embodiment of the invention, Fig. 2 is an explanatory diagram showing the principle of the invention, Fig. 3 is a plan view and side view showing a concave lens used in the invention, and Fig. 4 is an explanatory diagram showing an embodiment of the invention.
The figure is a perspective view showing the concave lens used in the present invention.
The figure is an explanatory diagram showing the principle of the ultrasonic light modulator, FIGS. 6 and 7 are explanatory diagrams showing the configuration of the ultrasonic light modulator,
FIG. 8 is an explanatory diagram showing the principle of the beam steering method, and FIG. 9 is an explanatory diagram showing a configuration for reading a bar code using an optical deflector. 1... Ultrasonic medium, 2... Ultrasonic transducer, 3... Oscillator, 4... Amplifier, 5... Photodiode, 6... Lens, 7... Optical deflector, 8... Barcode reading output,
9... Barcode, 10... Light beam, 11... Scattered light on barcode surface, 12... Concave lens, P... Light source, F
1 , F2 ...focal point, C...lens center, P'...pseudo-reliable light source.
Claims (1)
おいて、該光偏向器から出射した光ビームを凹レ
ンズに通しその振れ角を拡大することを特徴とす
る光偏向器。 An optical deflector for performing optical scanning by polarizing a light beam, characterized in that the light beam emitted from the optical deflector is passed through a concave lens to enlarge its deflection angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16463286U JPS6370529U (en) | 1986-10-27 | 1986-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16463286U JPS6370529U (en) | 1986-10-27 | 1986-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6370529U true JPS6370529U (en) | 1988-05-12 |
Family
ID=31093928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16463286U Pending JPS6370529U (en) | 1986-10-27 | 1986-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6370529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016090717A (en) * | 2014-10-31 | 2016-05-23 | 日本電気硝子株式会社 | Liquid crystal optical element and liquid crystal optical element array |
-
1986
- 1986-10-27 JP JP16463286U patent/JPS6370529U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016090717A (en) * | 2014-10-31 | 2016-05-23 | 日本電気硝子株式会社 | Liquid crystal optical element and liquid crystal optical element array |