JPS4996617A - - Google Patents
Info
- Publication number
- JPS4996617A JPS4996617A JP48123515A JP12351573A JPS4996617A JP S4996617 A JPS4996617 A JP S4996617A JP 48123515 A JP48123515 A JP 48123515A JP 12351573 A JP12351573 A JP 12351573A JP S4996617 A JPS4996617 A JP S4996617A
- Authority
- JP
- Japan
- 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.)
- Pending
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)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7214861 | 1972-11-03 | ||
| NL7301978A NL7301978A (OSRAM) | 1973-02-13 | 1973-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4996617A true JPS4996617A (OSRAM) | 1974-09-12 |
Family
ID=26644820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48123515A Pending JPS4996617A (OSRAM) | 1972-11-03 | 1973-11-05 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4996617A (OSRAM) |
| AU (1) | AU6202373A (OSRAM) |
| DE (1) | DE2351986A1 (OSRAM) |
| FR (1) | FR2205793A1 (OSRAM) |
| IT (1) | IT999166B (OSRAM) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51123512A (en) * | 1975-04-22 | 1976-10-28 | Rikagaku Kenkyusho | Binary picture reading method |
| JPS5248909A (en) * | 1975-10-14 | 1977-04-19 | Hell Rudolf Dr Ing Gmbh | White color signal level adjusting system |
| JPS54169422U (OSRAM) * | 1978-05-19 | 1979-11-30 | ||
| JPS5596764A (en) * | 1979-01-18 | 1980-07-23 | Matsushita Graphic Commun Syst Inc | Half tone reproducing circuit |
| JPS5672580A (en) * | 1979-11-17 | 1981-06-16 | Oki Electric Ind Co Ltd | Read signal processor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4932019A (OSRAM) * | 1972-07-26 | 1974-03-23 |
-
1973
- 1973-10-17 DE DE19732351986 patent/DE2351986A1/de active Pending
- 1973-10-31 FR FR7338872A patent/FR2205793A1/fr not_active Withdrawn
- 1973-10-31 AU AU62023/73A patent/AU6202373A/en not_active Expired
- 1973-11-02 IT IT3084773A patent/IT999166B/it active
- 1973-11-05 JP JP48123515A patent/JPS4996617A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4932019A (OSRAM) * | 1972-07-26 | 1974-03-23 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51123512A (en) * | 1975-04-22 | 1976-10-28 | Rikagaku Kenkyusho | Binary picture reading method |
| JPS5248909A (en) * | 1975-10-14 | 1977-04-19 | Hell Rudolf Dr Ing Gmbh | White color signal level adjusting system |
| JPS59191968A (ja) * | 1975-10-14 | 1984-10-31 | ドクトル・インジエニエ−ル・ル−ドルフ・ヘル・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 白レベルの調節装置 |
| JPS54169422U (OSRAM) * | 1978-05-19 | 1979-11-30 | ||
| JPS5596764A (en) * | 1979-01-18 | 1980-07-23 | Matsushita Graphic Commun Syst Inc | Half tone reproducing circuit |
| JPS5672580A (en) * | 1979-11-17 | 1981-06-16 | Oki Electric Ind Co Ltd | Read signal processor |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2205793A1 (OSRAM) | 1974-05-31 |
| DE2351986A1 (de) | 1974-05-16 |
| IT999166B (it) | 1976-02-20 |
| AU6202373A (en) | 1975-05-01 |