FR2290110B1 - - Google Patents
Info
- Publication number
- FR2290110B1 FR2290110B1 FR7532700A FR7532700A FR2290110B1 FR 2290110 B1 FR2290110 B1 FR 2290110B1 FR 7532700 A FR7532700 A FR 7532700A FR 7532700 A FR7532700 A FR 7532700A FR 2290110 B1 FR2290110 B1 FR 2290110B1
- Authority
- FR
- France
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Picture Signal Circuits (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742450529 DE2450529C3 (de) | 1974-10-24 | 1974-10-24 | Verfahren und Vorrichtung zur Erzeugung binärer Signale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2290110A1 FR2290110A1 (fr) | 1976-05-28 |
| FR2290110B1 true FR2290110B1 (US07166745-20070123-C00016.png) | 1982-10-15 |
Family
ID=5929061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7532700A Granted FR2290110A1 (fr) | 1974-10-24 | 1975-10-24 | Procede et dispositif pour la production de signaux binaires |
Country Status (6)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2814891C3 (de) * | 1978-04-06 | 1982-02-11 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren zur Umwandlung eines Videosignals in ein Schwarz/Weiß-Signal |
| US4200861A (en) * | 1978-09-01 | 1980-04-29 | View Engineering, Inc. | Pattern recognition apparatus and method |
| US4326258A (en) * | 1980-01-31 | 1982-04-20 | Ncr Canada Ltd - Ncr Canada Ltee | Method and apparatus for reducing the gray scale resolution of a digitized image |
| US4399469A (en) * | 1980-04-23 | 1983-08-16 | American Hoechst Corporation | Imaging system and method with improved boundary detection |
| DE3413651C3 (de) * | 1983-04-12 | 1997-11-20 | Canon Kk | Bildsignalverarbeitungsgerät |
| GB2157113B (en) * | 1984-04-05 | 1987-06-24 | British Library Board | Improved threshold detector |
| DE29700983U1 (de) * | 1997-01-22 | 1997-03-13 | Baranski Joachim | Anordnung zur Ausgabe eines mittels einer Videokamera aufgenommenen Bildes durch ein Telefaxgerät |
-
1974
- 1974-10-24 DE DE19742450529 patent/DE2450529C3/de not_active Expired
-
1975
- 1975-10-21 AT AT801975A patent/AT344258B/de not_active IP Right Cessation
- 1975-10-21 CH CH1363475A patent/CH591793A5/xx not_active IP Right Cessation
- 1975-10-23 NL NL7512440A patent/NL7512440A/xx not_active Application Discontinuation
- 1975-10-24 FR FR7532700A patent/FR2290110A1/fr active Granted
- 1975-10-24 GB GB4379275A patent/GB1518177A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2450529A1 (de) | 1976-04-29 |
| FR2290110A1 (fr) | 1976-05-28 |
| AT344258B (de) | 1978-07-10 |
| DE2450529B2 (de) | 1978-05-24 |
| NL7512440A (nl) | 1976-04-27 |
| CH591793A5 (US07166745-20070123-C00016.png) | 1977-09-30 |
| ATA801975A (de) | 1977-11-15 |
| GB1518177A (en) | 1978-07-19 |
| DE2450529C3 (de) | 1979-01-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |