JPS611796B2 - - Google Patents
Info
- Publication number
- JPS611796B2 JPS611796B2 JP56203792A JP20379281A JPS611796B2 JP S611796 B2 JPS611796 B2 JP S611796B2 JP 56203792 A JP56203792 A JP 56203792A JP 20379281 A JP20379281 A JP 20379281A JP S611796 B2 JPS611796 B2 JP S611796B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K7/10712—Fixed beam scanning
- G06K7/10762—Relative movement
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Artificial Intelligence (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Character Input (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/230,936 US4346292A (en) | 1981-02-02 | 1981-02-02 | Coaxial optical scanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57147778A JPS57147778A (en) | 1982-09-11 |
| JPS611796B2 true JPS611796B2 (enExample) | 1986-01-20 |
Family
ID=22867135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56203792A Granted JPS57147778A (en) | 1981-02-02 | 1981-12-18 | Optical scanner |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4346292A (enExample) |
| EP (1) | EP0057370A3 (enExample) |
| JP (1) | JPS57147778A (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57204977A (en) * | 1981-06-11 | 1982-12-15 | Nippon Denso Co Ltd | Method and device for bar code read |
| US4550249A (en) * | 1983-04-21 | 1985-10-29 | At&T Bell Laboratories | Optical disc read/write apparatus |
| JPS6125660U (ja) * | 1984-07-20 | 1986-02-15 | 日新工機株式会社 | ペン型バ−コ−ドリ−ダ |
| US5468949A (en) * | 1985-02-28 | 1995-11-21 | Symbol Technologies, Inc. | Portable laser diode scanning head |
| US4675531A (en) * | 1985-03-28 | 1987-06-23 | Polaroid Corporation | Optical scanner having a multi-surfaced lens arrangement for producing a rotationally symmetric beam |
| GB2174858B (en) * | 1985-04-24 | 1989-10-11 | British Aerospace | Optical control systems |
| US4652732A (en) * | 1985-09-17 | 1987-03-24 | National Semiconductor Corporation | Low-profile bar code scanner |
| US5099109A (en) * | 1987-08-05 | 1992-03-24 | Alps Electric Co., Ltd. | Optical reader with reduced regular reflection errors |
| EP0349694B1 (en) * | 1988-07-05 | 1992-09-30 | Wako Corporation | A detecting apparatus |
| US4935609A (en) * | 1988-12-15 | 1990-06-19 | Ncr Corporation | Composite lens for a hand-held bar code label reader |
| US5142131A (en) * | 1989-08-21 | 1992-08-25 | Ncr Corporation | Hand-held bar code reader |
| FR2652914A1 (fr) * | 1989-10-05 | 1991-04-12 | Pailler Andre | Systeme d'eclairage et de vision permettant la lecture automatique de caracteres graves a la surface de substrats semi-conducteurs. |
| JPH0492989A (ja) * | 1990-08-06 | 1992-03-25 | Hosiden Corp | バーコード読み取り器 |
| CA2056850C (en) * | 1991-01-18 | 1995-11-28 | Takao Kobayashi | Optical sensor |
| WO1993014471A1 (en) * | 1992-01-17 | 1993-07-22 | Welch Allyn, Inc. | Intimate source and detector and apparatus employing same |
| US5319182A (en) * | 1992-03-04 | 1994-06-07 | Welch Allyn, Inc. | Integrated solid state light emitting and detecting array and apparatus employing said array |
| US5362953A (en) * | 1992-08-18 | 1994-11-08 | Intermec Corporation | Reading apparatus with separate illumination and detection optical axes |
| US6114712A (en) * | 1996-10-09 | 2000-09-05 | Symbol Technologies, Inc. | One piece optical assembly for low cost optical scanner |
| US6708883B2 (en) | 1994-06-30 | 2004-03-23 | Symbol Technologies, Inc. | Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology |
| US5672858A (en) | 1994-06-30 | 1997-09-30 | Symbol Technologies Inc. | Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology |
| JP3824357B2 (ja) * | 1996-09-27 | 2006-09-20 | 沖電気工業株式会社 | 光半導体装置 |
| US8969786B2 (en) * | 2012-07-23 | 2015-03-03 | Ifm Electronic Gmbh | Optical proximity switch |
| CN106022195B (zh) * | 2016-06-07 | 2018-10-12 | 曾林旺 | 360度全角广域扫描头 |
| US11163090B2 (en) * | 2019-06-25 | 2021-11-02 | Datalogic Ip Tech S.R.L. | Photoelectric sensor with coaxial emission and receiving optical paths |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1242757B (de) * | 1963-02-25 | 1967-06-22 | R & M Leuze Fa | Lichtelektrische Abtastvorrichtung |
| US3395963A (en) * | 1965-11-15 | 1968-08-06 | Hewlett Packard Co | Optoelectric data readout device |
| US3894216A (en) * | 1973-07-27 | 1975-07-08 | Compucorp | Illumination and sensor arrangement for card reader |
| US4201910A (en) * | 1978-03-27 | 1980-05-06 | Innovation Industries, Inc. | Photosensor assembly |
-
1981
- 1981-02-02 US US06/230,936 patent/US4346292A/en not_active Expired - Lifetime
- 1981-12-18 JP JP56203792A patent/JPS57147778A/ja active Granted
-
1982
- 1982-01-19 EP EP82100343A patent/EP0057370A3/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US4346292A (en) | 1982-08-24 |
| EP0057370A2 (en) | 1982-08-11 |
| JPS57147778A (en) | 1982-09-11 |
| EP0057370A3 (en) | 1982-09-01 |