BE503471A - - Google Patents
Info
- Publication number
- BE503471A BE503471A BE503471DA BE503471A BE 503471 A BE503471 A BE 503471A BE 503471D A BE503471D A BE 503471DA BE 503471 A BE503471 A BE 503471A
- Authority
- BE
- Belgium
Links
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
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- 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
- G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1937SC113113 DE686642C (de) | 1937-06-20 | 1937-06-20 | Abblendevorrichtung fuer Flach- und Tiefstrahler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE503471A true BE503471A (US06256357-20010703-M00001.png) |
Family
ID=7449784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE503471D BE503471A (US06256357-20010703-M00001.png) | 1937-06-20 |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB807343A (en) * | 1956-02-06 | 1959-01-14 | Theodorus Reumerman | Improvements in and relating to translation of symbols into electric signals |
| US3057552A (en) * | 1958-08-14 | 1962-10-09 | Burroughs Corp | Optical apparatus for reading indicia appearing on a record medium |
| US3176140A (en) * | 1959-01-05 | 1965-03-30 | Int Standard Electric Corp | Photosensitive document identification apparatus |
| NL250920A (US06256357-20010703-M00001.png) * | 1959-03-12 | |||
| US4018635A (en) | 1971-05-17 | 1977-04-19 | Westinghouse Electric Corporation | Phosphor combination, particularly adapted for use with explosives, for providing a distinctive information label |
| USRE29334E (en) | 1971-05-17 | 1977-08-02 | Westinghouse Electric Corporation | Phosphor combination and method, particularly adapted for use with explosives, for providing a distinctive information label |
| US4013490A (en) | 1973-03-27 | 1977-03-22 | Westinghouse Electric Corporation | Phosphor identification method, particularly adapted for use with explosives, for providing a distinctive information label |
-
0
- BE BE503471D patent/BE503471A/xx unknown
- NL NL7016749.A patent/NL157369B/xx unknown
-
1937
- 1937-06-20 DE DE1937SC113113 patent/DE686642C/de not_active Expired
-
1950
- 1950-06-07 FR FR1020876D patent/FR1020876A/fr not_active Expired
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1951
- 1951-03-02 GB GB5124/51A patent/GB686642A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE686642C (de) | 1940-01-13 |
| FR1020876A (fr) | 1953-02-11 |
| NL157369B (nl) | |
| GB686642A (en) | 1953-01-28 |
