FR1432158A - Logic filter circuit in particular for optical character readers - Google Patents
Logic filter circuit in particular for optical character readersInfo
- Publication number
- FR1432158A FR1432158A FR14639A FR14639A FR1432158A FR 1432158 A FR1432158 A FR 1432158A FR 14639 A FR14639 A FR 14639A FR 14639 A FR14639 A FR 14639A FR 1432158 A FR1432158 A FR 1432158A
- Authority
- FR
- France
- Prior art keywords
- filter circuit
- optical character
- logic filter
- character readers
- readers
- Prior art date
- 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; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/30—Noise filtering
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR14639A FR1432158A (en) | 1964-04-28 | 1965-04-26 | Logic filter circuit in particular for optical character readers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US363226A US3394346A (en) | 1964-04-28 | 1964-04-28 | Filter circuit |
FR14639A FR1432158A (en) | 1964-04-28 | 1965-04-26 | Logic filter circuit in particular for optical character readers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1432158A true FR1432158A (en) | 1966-03-18 |
Family
ID=26163390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR14639A Expired FR1432158A (en) | 1964-04-28 | 1965-04-26 | Logic filter circuit in particular for optical character readers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1432158A (en) |
-
1965
- 1965-04-26 FR FR14639A patent/FR1432158A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL157166B (en) | MONOLYTIC CRYSTAL FILTER. | |
FR1504243A (en) | Optical brighteners | |
FR1536739A (en) | Card reader | |
FR1437153A (en) | Bistable laser | |
AT274422B (en) | Polarizing microscope | |
BE744607A (en) | OPTICAL BLINDERS | |
BE759538A (en) | OPTICAL ELEMENTS | |
CH486808A (en) | Optical AND circuit | |
FR1432158A (en) | Logic filter circuit in particular for optical character readers | |
FR1431233A (en) | Optical brighteners | |
CH491513A (en) | Waveguide filter | |
CH457212A (en) | Card | |
CH474163A (en) | Waveguide filter | |
FR1464999A (en) | Optical brighteners | |
FR1453362A (en) | Character reader | |
AT261254B (en) | Gaussian type lens | |
FR1413918A (en) | Parking cards | |
FR1464200A (en) | Optical filter | |
CH464022A (en) | Card | |
FR1547494A (en) | Glasses | |
FR1489383A (en) | Glasses | |
FR1491087A (en) | Advanced optical glasses | |
FR1424604A (en) | Optical character reader | |
FR1490345A (en) | Optical lenses | |
ES104476Y (en) | Gift card |