SE355459B - - Google Patents
Info
- Publication number
- SE355459B SE355459B SE03060/67A SE306067A SE355459B SE 355459 B SE355459 B SE 355459B SE 03060/67 A SE03060/67 A SE 03060/67A SE 306067 A SE306067 A SE 306067A SE 355459 B SE355459 B SE 355459B
- Authority
- SE
- Sweden
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
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
-
- 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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Facsimiles In General (AREA)
- Facsimile Image Signal Circuits (AREA)
- Networks Using Active Elements (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53544266A | 1966-03-18 | 1966-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE355459B true SE355459B (xx) | 1973-04-16 |
Family
ID=24134247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE03060/67A SE355459B (xx) | 1966-03-18 | 1967-03-06 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3467772A (xx) |
| BE (1) | BE694935A (xx) |
| BR (1) | BR6787833D0 (xx) |
| CH (1) | CH481528A (xx) |
| DE (1) | DE1298541B (xx) |
| ES (1) | ES337199A1 (xx) |
| FR (1) | FR1513951A (xx) |
| GB (2) | GB1181081A (xx) |
| NL (1) | NL6703809A (xx) |
| NO (1) | NO121618B (xx) |
| SE (1) | SE355459B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974337A (en) * | 1967-10-24 | 1976-08-10 | Matsushita Electric Industrial Co., Ltd. | FM television telephone system |
| US3859459A (en) * | 1973-02-16 | 1975-01-07 | Exxon Research Engineering Co | FM demodulator circuit for a facsimile system |
| US3911207A (en) * | 1973-11-21 | 1975-10-07 | Exxon Research Engineering Co | FM demodulator and control circuitry for a facsimile system |
| US4000365A (en) * | 1974-01-30 | 1976-12-28 | Exxon Research And Engineering Company | Apparatus for detecting a poor facsimile transmission |
| US3916098A (en) * | 1974-02-07 | 1975-10-28 | Exxon Research Engineering Co | Facsimile receiver with improved demodulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3296539A (en) * | 1964-03-02 | 1967-01-03 | Ampex | Pulse-counter demodulator |
-
1966
- 1966-03-18 US US535442A patent/US3467772A/en not_active Expired - Lifetime
-
1967
- 1967-02-23 ES ES337199A patent/ES337199A1/es not_active Expired
- 1967-02-27 CH CH281867A patent/CH481528A/de not_active IP Right Cessation
- 1967-03-02 BE BE694935A patent/BE694935A/xx unknown
- 1967-03-03 GB GB00151/67A patent/GB1181081A/en not_active Expired
- 1967-03-03 GB GB43527/69A patent/GB1181082A/en not_active Expired
- 1967-03-06 SE SE03060/67A patent/SE355459B/xx unknown
- 1967-03-10 FR FR98354A patent/FR1513951A/fr not_active Expired
- 1967-03-14 NL NL6703809A patent/NL6703809A/xx unknown
- 1967-03-15 NO NO167294A patent/NO121618B/no unknown
- 1967-03-15 DE DEM73185A patent/DE1298541B/de not_active Withdrawn
- 1967-03-17 BR BR187833/67A patent/BR6787833D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR6787833D0 (pt) | 1973-12-27 |
| GB1181081A (en) | 1970-02-11 |
| US3467772A (en) | 1969-09-16 |
| CH481528A (de) | 1969-11-15 |
| NL6703809A (xx) | 1967-09-19 |
| BE694935A (xx) | 1967-08-14 |
| FR1513951A (fr) | 1968-02-16 |
| DE1298541B (de) | 1969-07-03 |
| NO121618B (xx) | 1971-03-22 |
| ES337199A1 (es) | 1968-04-01 |
| GB1181082A (en) | 1970-02-11 |