JPH0312286B2 - - Google Patents
Info
- Publication number
- JPH0312286B2 JPH0312286B2 JP9297984A JP9297984A JPH0312286B2 JP H0312286 B2 JPH0312286 B2 JP H0312286B2 JP 9297984 A JP9297984 A JP 9297984A JP 9297984 A JP9297984 A JP 9297984A JP H0312286 B2 JPH0312286 B2 JP H0312286B2
- Authority
- JP
- Japan
- Prior art keywords
- hologram
- holograms
- rotating body
- light
- scanning
- 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.)
- Expired - Lifetime
Links
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000005357 flat glass Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
- G06K7/10871—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Mechanical Optical Scanning Systems (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9297984A JPS60237420A (ja) | 1984-05-11 | 1984-05-11 | ホログラムスキヤナ |
CA000468619A CA1249143A (en) | 1983-11-30 | 1984-11-26 | Hologram scanner |
US06/675,870 US4655541A (en) | 1983-11-30 | 1984-11-28 | Hologram scanner |
AU36019/84A AU548894B2 (en) | 1983-11-30 | 1984-11-29 | Hologram scanner |
KR8407546A KR890003607B1 (en) | 1983-11-30 | 1984-11-30 | Hologram scanner |
DE8484308328T DE3484459D1 (de) | 1983-11-30 | 1984-11-30 | Holographische abtasteinrichtung. |
EP84308328A EP0144224B1 (en) | 1983-11-30 | 1984-11-30 | Hologram scanner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9297984A JPS60237420A (ja) | 1984-05-11 | 1984-05-11 | ホログラムスキヤナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60237420A JPS60237420A (ja) | 1985-11-26 |
JPH0312286B2 true JPH0312286B2 (US20100056889A1-20100304-C00004.png) | 1991-02-19 |
Family
ID=14069504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9297984A Granted JPS60237420A (ja) | 1983-11-30 | 1984-05-11 | ホログラムスキヤナ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60237420A (US20100056889A1-20100304-C00004.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6314290A (ja) * | 1986-07-03 | 1988-01-21 | Nec Corp | 光学記号読取装置 |
-
1984
- 1984-05-11 JP JP9297984A patent/JPS60237420A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60237420A (ja) | 1985-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |