JPS6446869U - - Google Patents
Info
- Publication number
- JPS6446869U JPS6446869U JP14178787U JP14178787U JPS6446869U JP S6446869 U JPS6446869 U JP S6446869U JP 14178787 U JP14178787 U JP 14178787U JP 14178787 U JP14178787 U JP 14178787U JP S6446869 U JPS6446869 U JP S6446869U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- emitted laser
- wedge
- reading device
- optical path
- 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 38
- 238000010586 diagram Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14178787U JPS6446869U (en:Method) | 1987-09-17 | 1987-09-17 | |
| US07/133,895 US4916318A (en) | 1986-12-16 | 1987-12-16 | Scan type optical reader with changing beam waist position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14178787U JPS6446869U (en:Method) | 1987-09-17 | 1987-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6446869U true JPS6446869U (en:Method) | 1989-03-23 |
Family
ID=31407166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14178787U Pending JPS6446869U (en:Method) | 1986-12-16 | 1987-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6446869U (en:Method) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147576A (ja) * | 1985-12-21 | 1987-07-01 | Oputo Electron:Kk | パタ−ン読取装置 |
| JPS62178206A (ja) * | 1986-01-31 | 1987-08-05 | Yokogawa Electric Corp | 光軸補正方法 |
-
1987
- 1987-09-17 JP JP14178787U patent/JPS6446869U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147576A (ja) * | 1985-12-21 | 1987-07-01 | Oputo Electron:Kk | パタ−ン読取装置 |
| JPS62178206A (ja) * | 1986-01-31 | 1987-08-05 | Yokogawa Electric Corp | 光軸補正方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0158550B2 (en:Method) | ||
| JPH0689360A (ja) | 再帰反射型スキャナ | |
| EP0572685B1 (en) | A symbol reading device for varying the focal point of a scanning laser beam through variance of scanning laser beam optical path length | |
| JPS6446869U (en:Method) | ||
| JPS59172081A (ja) | バ−コ−ド読取装置 | |
| JP2753594B2 (ja) | 走査光学装置 | |
| JP2613390B2 (ja) | 走査式光学読み取り装置 | |
| KR930006882Y1 (ko) | 휴대용 레이저 스캐너 헤드의 렌즈구조 | |
| JPH0312293B2 (en:Method) | ||
| JPH07101433B2 (ja) | 光学的パターン検出装置 | |
| JPH0378356U (en:Method) | ||
| JPS63150778A (ja) | 走査式光学読み取り装置 | |
| JPH0312292B2 (en:Method) | ||
| JPH0778220A (ja) | バーコードリーダ | |
| KR920002927B1 (ko) | 휴대용 레이저 스캐너 헤드구조의 광학부 시스템 | |
| JPH08247792A (ja) | ロータリエンコーダ | |
| KR930005044Y1 (ko) | 바코드 레이저스캐너의 광학장치 | |
| JPS6327962U (en:Method) | ||
| JPH0312289B2 (en:Method) | ||
| JPH056231B2 (en:Method) | ||
| JPH02101595A (ja) | バーコードスキヤナ | |
| JPH01156845U (en:Method) | ||
| JPH0321155U (en:Method) | ||
| JPH0412062U (en:Method) | ||
| JPS648227U (en:Method) |