SE389934B - Anordning for att vid lesning av pa ett foremal anbragta, optiskt lesbara tecken utjemna variationer i ljusflodets intensitet - Google Patents
Anordning for att vid lesning av pa ett foremal anbragta, optiskt lesbara tecken utjemna variationer i ljusflodets intensitetInfo
- Publication number
- SE389934B SE389934B SE7202235A SE223572A SE389934B SE 389934 B SE389934 B SE 389934B SE 7202235 A SE7202235 A SE 7202235A SE 223572 A SE223572 A SE 223572A SE 389934 B SE389934 B SE 389934B
- Authority
- SE
- Sweden
- Prior art keywords
- reading
- opticly
- flood
- intensity
- light
- Prior art date
Links
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
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)
- Character Input (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH424171A CH537057A (de) | 1971-03-22 | 1971-03-22 | Lesevorrichtung für optisch erkennbare Zeichen |
Publications (1)
Publication Number | Publication Date |
---|---|
SE389934B true SE389934B (sv) | 1976-11-22 |
Family
ID=4272428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7202235A SE389934B (sv) | 1971-03-22 | 1972-02-23 | Anordning for att vid lesning av pa ett foremal anbragta, optiskt lesbara tecken utjemna variationer i ljusflodets intensitet |
Country Status (10)
Country | Link |
---|---|
US (1) | US3758783A (sv) |
BE (1) | BE780725A (sv) |
CA (1) | CA956033A (sv) |
CH (1) | CH537057A (sv) |
DE (1) | DE2200093C3 (sv) |
FR (1) | FR2131405A5 (sv) |
GB (1) | GB1388131A (sv) |
NL (1) | NL7200754A (sv) |
SE (1) | SE389934B (sv) |
ZA (1) | ZA721585B (sv) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4025761A (en) * | 1975-04-16 | 1977-05-24 | Schiller Industries, Inc. | Optical system for code symbol scanners |
US4034230A (en) * | 1975-10-24 | 1977-07-05 | Bulova Watch Company, Inc. | Electro-optical bar-code scanning unit |
US4064390A (en) * | 1976-04-19 | 1977-12-20 | Spectra-Physics, Inc. | Method and apparatus for reading coded labels |
US4745631A (en) * | 1982-12-27 | 1988-05-17 | North American Philips Corp. | Flying spot generator |
US4603262A (en) * | 1983-08-22 | 1986-07-29 | Optel Systems Inc. | Optical device for detecting coded symbols |
US4692603A (en) * | 1985-04-01 | 1987-09-08 | Cauzin Systems, Incorporated | Optical reader for printed bit-encoded data and method of reading same |
WO1987006016A1 (en) * | 1986-04-04 | 1987-10-08 | Eastman Kodak Company | Scanning apparatus |
US5027424A (en) * | 1986-08-29 | 1991-06-25 | Asahi Kogaku Kogyo K.K. | Image reader |
US5151580A (en) * | 1990-08-03 | 1992-09-29 | Symbol Technologies, Inc. | Light emitting diode scanner |
US5268564A (en) * | 1990-08-03 | 1993-12-07 | Symbol Technologies, Inc. | Bar code scanner actuated by detection of scanner motion |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2976361A (en) * | 1956-04-12 | 1961-03-21 | Faximile Inc | Continuous scanner with warped mirror |
US3443072A (en) * | 1964-12-10 | 1969-05-06 | Abex Corp | Object identification systems |
GB1280677A (en) * | 1968-06-27 | 1972-07-05 | Rca Corp | Article designating and identification system |
-
1971
- 1971-03-22 CH CH424171A patent/CH537057A/de not_active IP Right Cessation
-
1972
- 1972-01-03 DE DE2200093A patent/DE2200093C3/de not_active Expired
- 1972-01-19 NL NL7200754A patent/NL7200754A/xx unknown
- 1972-01-28 US US00221706A patent/US3758783A/en not_active Expired - Lifetime
- 1972-02-23 CA CA135,365A patent/CA956033A/en not_active Expired
- 1972-02-23 SE SE7202235A patent/SE389934B/sv unknown
- 1972-03-08 FR FR7208002A patent/FR2131405A5/fr not_active Expired
- 1972-03-08 ZA ZA721585A patent/ZA721585B/xx unknown
- 1972-03-15 BE BE780725A patent/BE780725A/xx unknown
- 1972-03-16 GB GB1233572A patent/GB1388131A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2200093C3 (de) | 1978-06-29 |
US3758783A (en) | 1973-09-11 |
DE2200093B2 (de) | 1977-11-10 |
GB1388131A (en) | 1975-03-26 |
DE2200093A1 (de) | 1972-10-05 |
NL7200754A (sv) | 1972-09-26 |
ZA721585B (en) | 1972-11-29 |
CH537057A (de) | 1973-05-15 |
CA956033A (en) | 1974-10-08 |
BE780725A (fr) | 1972-07-03 |
FR2131405A5 (sv) | 1972-11-10 |
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