DE2445426A1 - - Google Patents
Info
- Publication number
- DE2445426A1 DE2445426A1 DE19742445426 DE2445426A DE2445426A1 DE 2445426 A1 DE2445426 A1 DE 2445426A1 DE 19742445426 DE19742445426 DE 19742445426 DE 2445426 A DE2445426 A DE 2445426A DE 2445426 A1 DE2445426 A1 DE 2445426A1
- Authority
- DE
- Germany
- 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.)
- Granted
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
- G06K7/06—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Push-Button Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742445426 DE2445426C2 (en) | 1974-09-24 | Lochstrelfen reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742445426 DE2445426C2 (en) | 1974-09-24 | Lochstrelfen reader |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2445426B1 DE2445426B1 (en) | 1975-09-11 |
DE2445426A1 true DE2445426A1 (en) | 1975-09-11 |
DE2445426C2 DE2445426C2 (en) | 1977-03-24 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
DE2445426B1 (en) | 1975-09-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |