JPH0430783B2 - - Google Patents
Info
- Publication number
- JPH0430783B2 JPH0430783B2 JP58043486A JP4348683A JPH0430783B2 JP H0430783 B2 JPH0430783 B2 JP H0430783B2 JP 58043486 A JP58043486 A JP 58043486A JP 4348683 A JP4348683 A JP 4348683A JP H0430783 B2 JPH0430783 B2 JP H0430783B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- video signal
- output
- sample
- level
- 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 - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 241000255969 Pieris brassicae Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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 Input (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58043486A JPS59169274A (ja) | 1983-03-16 | 1983-03-16 | 2値化回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58043486A JPS59169274A (ja) | 1983-03-16 | 1983-03-16 | 2値化回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59169274A JPS59169274A (ja) | 1984-09-25 |
| JPH0430783B2 true JPH0430783B2 (OSRAM) | 1992-05-22 |
Family
ID=12665045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58043486A Granted JPS59169274A (ja) | 1983-03-16 | 1983-03-16 | 2値化回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59169274A (OSRAM) |
-
1983
- 1983-03-16 JP JP58043486A patent/JPS59169274A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59169274A (ja) | 1984-09-25 |
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