JPH02108165U - - Google Patents
Info
- Publication number
- JPH02108165U JPH02108165U JP1599689U JP1599689U JPH02108165U JP H02108165 U JPH02108165 U JP H02108165U JP 1599689 U JP1599689 U JP 1599689U JP 1599689 U JP1599689 U JP 1599689U JP H02108165 U JPH02108165 U JP H02108165U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical fiber
- receiving
- transmitting
- face
- 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
- 239000013307 optical fiber Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Description
第１図および第２図は本考案による光学式読取
装置の一実施例を示すもので、第１図は要部を示
す分解斜視図、第２図は要部断面図、第３図およ
び第４図は従来例を示すもので、第３図は分解斜
視図、第４図は部分断面図、第５図はバーコード
とその走査方向を示す説明図、第６図は本考案の
他の実施例を示す要部の説明図である。
１…受光用光フアイバ、１ａ…受光用光フアイ
バ１の受光端面、２…送光用光フアイバ、２ａ…
送光用光フアイバ２の送光端面、４…発光素子（
光源）、５，７…光、６…バーコード（対象物）
、８…受光素子、１０…空間、ａ１，ａ２…読取
範囲、ｄ…装置の先端面とバーコード（対象物）
の間隔、ｗ１，ｗ２…入射立体角。
1 and 2 show an embodiment of the optical reading device according to the present invention. FIG. 1 is an exploded perspective view showing the main parts, FIG. 2 is a sectional view of the main parts, and FIGS. Figure 4 shows a conventional example, Figure 3 is an exploded perspective view, Figure 4 is a partial sectional view, Figure 5 is an explanatory diagram showing the barcode and its scanning direction, and Figure 6 is another example of the present invention. FIG. 2 is an explanatory diagram of main parts showing an example. DESCRIPTION OF SYMBOLS 1... Optical fiber for light reception, 1a... Light receiving end face of the optical fiber 1 for light reception, 2... Optical fiber for light transmission, 2a...
Light transmitting end face of light transmitting optical fiber 2, 4... light emitting element (
light source), 5, 7...light, 6...barcode (object)
, 8... Light receiving element, 10... Space, a 1 , a 2 ... Reading range, d... Tip surface of device and barcode (object)
interval, w 1 , w 2 ... solid angle of incidence.
Claims (1)
設け、この送光用光フアイバを用いて光源からの
光を対象物に投射し、この反射光を前記受光用光
フアイバを介して受光素子に導くことによつて前
記対象物の情報を光学的に読み取るようにしたも
のにおいて、前記受光用光フアイバの受光端面を
前記送光用光フアイバの送光端面より内側に設け
てなることを特徴とする光学式読取装置。 A light transmitting optical fiber is provided around the outer circumference of the light receiving optical fiber, and this light transmitting optical fiber is used to project light from a light source onto an object, and this reflected light is sent to a light receiving element via the light receiving optical fiber. The light-receiving optical fiber is characterized in that the light-receiving end face of the light-receiving optical fiber is provided inside the light-transmitting end face of the light-transmitting optical fiber. optical reader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1599689U JPH02108165U (en) | 1989-02-14 | 1989-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1599689U JPH02108165U (en) | 1989-02-14 | 1989-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108165U true JPH02108165U (en) | 1990-08-28 |
Family
ID=31228537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1599689U Pending JPH02108165U (en) | 1989-02-14 | 1989-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108165U (en) |
-
1989
- 1989-02-14 JP JP1599689U patent/JPH02108165U/ja active Pending