CH591793A5 - - Google Patents
Info
- Publication number
- CH591793A5 CH591793A5 CH1363475A CH1363475A CH591793A5 CH 591793 A5 CH591793 A5 CH 591793A5 CH 1363475 A CH1363475 A CH 1363475A CH 1363475 A CH1363475 A CH 1363475A CH 591793 A5 CH591793 A5 CH 591793A5
- Authority
- CH
- Switzerland
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)
- Picture Signal Circuits (AREA)
- Facsimile Image 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 (1)
Publication Number | Publication Date |
---|---|
CH591793A5 true CH591793A5 (de) | 1977-09-30 |
Family
ID=5929061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1363475A CH591793A5 (de) | 1974-10-24 | 1975-10-21 |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT344258B (de) |
CH (1) | CH591793A5 (de) |
DE (1) | DE2450529C3 (de) |
FR (1) | FR2290110A1 (de) |
GB (1) | GB1518177A (de) |
NL (1) | NL7512440A (de) |
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 |
---|---|
GB1518177A (en) | 1978-07-19 |
DE2450529B2 (de) | 1978-05-24 |
FR2290110B1 (de) | 1982-10-15 |
FR2290110A1 (fr) | 1976-05-28 |
NL7512440A (nl) | 1976-04-27 |
ATA801975A (de) | 1977-11-15 |
AT344258B (de) | 1978-07-10 |
DE2450529C3 (de) | 1979-01-25 |
DE2450529A1 (de) | 1976-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |