BE496688A - - Google Patents
Info
- Publication number
- BE496688A BE496688A BE496688DA BE496688A BE 496688 A BE496688 A BE 496688A BE 496688D A BE496688D A BE 496688DA BE 496688 A BE496688 A BE 496688A
- Authority
- BE
- Belgium
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
- G06K7/12—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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US290457XA | 1949-07-02 | 1949-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496688A true BE496688A (en:Method) |
Family
ID=21846927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496688D BE496688A (en:Method) | 1949-07-02 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE496688A (en:Method) |
| CH (1) | CH290457A (en:Method) |
| FR (1) | FR1021860A (en:Method) |
| GB (1) | GB685652A (en:Method) |
| NL (1) | NL85800C (en:Method) |
-
0
- BE BE496688D patent/BE496688A/xx unknown
- NL NL85800D patent/NL85800C/xx active
-
1950
- 1950-06-28 FR FR1021860D patent/FR1021860A/fr not_active Expired
- 1950-06-28 GB GB16112/50A patent/GB685652A/en not_active Expired
- 1950-06-30 CH CH290457D patent/CH290457A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1021860A (fr) | 1953-02-25 |
| CH290457A (fr) | 1953-04-30 |
| NL85800C (en:Method) | |
| GB685652A (en) | 1953-01-07 |