DE2213606A1 - Verbesserte bildsignalmodifikation durch reduzierung der bandbreite des informationskanals - Google Patents
Verbesserte bildsignalmodifikation durch reduzierung der bandbreite des informationskanalsInfo
- Publication number
- DE2213606A1 DE2213606A1 DE19722213606 DE2213606A DE2213606A1 DE 2213606 A1 DE2213606 A1 DE 2213606A1 DE 19722213606 DE19722213606 DE 19722213606 DE 2213606 A DE2213606 A DE 2213606A DE 2213606 A1 DE2213606 A1 DE 2213606A1
- Authority
- DE
- Germany
- Prior art keywords
- elements
- pulses
- level
- signal
- signals
- 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.)
- Pending
Links
- 230000004048 modification Effects 0.000 title description 2
- 238000012986 modification Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000002035 prolonged 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
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
-
- 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
- H04N1/409—Edge or detail enhancement; Noise or error suppression
-
- 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
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
- H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
- H04N1/4135—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Facsimile Transmission Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1135972 | 1972-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2213606A1 true DE2213606A1 (de) | 1973-09-27 |
Family
ID=9984801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722213606 Pending DE2213606A1 (de) | 1972-03-10 | 1972-03-21 | Verbesserte bildsignalmodifikation durch reduzierung der bandbreite des informationskanals |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2213606A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2175674B3 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1342555A (cg-RX-API-DMAC10.html) |
-
1972
- 1972-03-10 GB GB1342555D patent/GB1342555A/en not_active Expired
- 1972-03-17 FR FR7209473A patent/FR2175674B3/fr not_active Expired
- 1972-03-21 DE DE19722213606 patent/DE2213606A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2175674A1 (cg-RX-API-DMAC10.html) | 1973-10-26 |
| GB1342555A (en) | 1974-01-03 |
| FR2175674B3 (cg-RX-API-DMAC10.html) | 1975-04-25 |
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