CA942679A - Circuitry for distinguishing between background and intelligence areas on a document - Google Patents
Circuitry for distinguishing between background and intelligence areas on a documentInfo
- Publication number
- CA942679A CA942679A CA102,072A CA102072A CA942679A CA 942679 A CA942679 A CA 942679A CA 102072 A CA102072 A CA 102072A CA 942679 A CA942679 A CA 942679A
- Authority
- CA
- Canada
- Prior art keywords
- distinguishing
- circuitry
- document
- background
- intelligence
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3504870A | 1970-05-06 | 1970-05-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA942679A true CA942679A (en) | 1974-02-26 |
Family
ID=21880306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA102,072A Expired CA942679A (en) | 1970-05-06 | 1971-01-06 | Circuitry for distinguishing between background and intelligence areas on a document |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5244171B1 (en) |
BE (1) | BE766778A (en) |
CA (1) | CA942679A (en) |
DE (1) | DE2122481C2 (en) |
FR (1) | FR2088395B1 (en) |
GB (1) | GB1310337A (en) |
NL (1) | NL7105991A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56123176A (en) * | 1980-03-05 | 1981-09-28 | Ricoh Co Ltd | Processing method for picture signal |
-
1971
- 1971-01-06 CA CA102,072A patent/CA942679A/en not_active Expired
- 1971-02-19 JP JP748671A patent/JPS5244171B1/ja active Pending
- 1971-05-03 NL NL7105991A patent/NL7105991A/xx unknown
- 1971-05-04 FR FR7116872A patent/FR2088395B1/fr not_active Expired
- 1971-05-05 GB GB1314471A patent/GB1310337A/en not_active Expired
- 1971-05-06 BE BE766778A patent/BE766778A/en unknown
- 1971-05-06 DE DE19712122481 patent/DE2122481C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2122481A1 (en) | 1971-11-25 |
FR2088395B1 (en) | 1976-12-03 |
NL7105991A (en) | 1971-11-09 |
JPS5244171B1 (en) | 1977-11-05 |
FR2088395A1 (en) | 1972-01-07 |
GB1310337A (en) | 1973-03-21 |
BE766778A (en) | 1971-11-08 |
DE2122481C2 (en) | 1983-08-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA953898A (en) | Dryshaver construction and operation | |
CA934151A (en) | Drawing and teaching machine | |
AU467536B2 (en) | Thio-substituted a zethidinones and thiazolinazetidinones | |
CA956588A (en) | Printing assemblies and method | |
CA948256A (en) | Magnetically actuated and restored print hammer | |
CA942679A (en) | Circuitry for distinguishing between background and intelligence areas on a document | |
CA974140A (en) | Process and agents having an influence on the weather | |
CA940794A (en) | Process and agents having an influence on the weather | |
CA955254A (en) | Azolindolines and azolindoline dyestuffs | |
CA977143A (en) | Information device | |
CA963855A (en) | Integral carrier and closures | |
CA930899A (en) | Synthetic size and paper sized therewith | |
CA847688A (en) | Low profile embossed-debossed printing on a closure | |
CA950985A (en) | Multi-signal encoder and transponder | |
CA939179A (en) | Dispositif d'embrayage coupleur a courroie | |
CA887411A (en) | On track-off track tamper | |
CA903126A (en) | Tabulator stop set and clear mechanism | |
CA859660A (en) | Copy-sheet and method | |
CA858164A (en) | Ferme-porte a frein | |
CA853015A (en) | Up and down binary counter | |
CA858844A (en) | Printing on packages | |
AU456298B2 (en) | Tapemeasure and rule | |
CA878311A (en) | Tamperproof closures | |
CA834145A (en) | Germaniding and tiniding | |
CA837055A (en) | Antibiotics polyoxins a and b |