NO130252B - - Google Patents
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- Publication number
- NO130252B NO130252B NO02843/69A NO284369A NO130252B NO 130252 B NO130252 B NO 130252B NO 02843/69 A NO02843/69 A NO 02843/69A NO 284369 A NO284369 A NO 284369A NO 130252 B NO130252 B NO 130252B
- Authority
- NO
- Norway
- Prior art keywords
- frequency
- modulator
- carrier
- coupling
- pulses
- Prior art date
Links
- 238000012937 correction Methods 0.000 claims description 60
- 238000001228 spectrum Methods 0.000 claims description 51
- 238000012546 transfer Methods 0.000 claims description 50
- 230000008878 coupling Effects 0.000 claims description 41
- 238000010168 coupling process Methods 0.000 claims description 41
- 238000005859 coupling reaction Methods 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 9
- 239000010454 slate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 16
- 230000010363 phase shift Effects 0.000 description 13
- 238000005070 sampling Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000035559 beat frequency Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009795 derivation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 240000001973 Ficus microcarpa Species 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL686809708A NL154082B (nl) | 1968-07-09 | 1968-07-09 | Inrichting voor overdracht van rechthoekige synchrone informatiepulsen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO130252B true NO130252B (fr) | 1974-07-29 |
Family
ID=19804117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO02843/69A NO130252B (fr) | 1968-07-09 | 1969-07-07 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3611143A (fr) |
| AT (1) | AT300896B (fr) |
| BE (1) | BE735775A (fr) |
| CA (1) | CA923562A (fr) |
| CH (1) | CH502729A (fr) |
| DE (1) | DE1934296C3 (fr) |
| DK (1) | DK141740B (fr) |
| FR (1) | FR2012601A1 (fr) |
| GB (1) | GB1278693A (fr) |
| NL (1) | NL154082B (fr) |
| NO (1) | NO130252B (fr) |
| SE (1) | SE349212B (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2133118A5 (fr) * | 1971-04-08 | 1972-11-24 | Trt Telecom Radio Electr | |
| JPS5034366B1 (fr) * | 1971-04-30 | 1975-11-07 | ||
| DE2153376B2 (de) * | 1971-10-27 | 1976-09-30 | Fujitsu Ltd., Kawasaki, Kanagawa (Japan) | Digitale nachrichtenuebertragungsanordnung |
| DE2230597C3 (de) * | 1972-06-22 | 1978-09-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zur Erzeugung zweier zueinander hilberttransformierter Signale |
| NL7213335A (fr) * | 1972-10-03 | 1974-04-05 | ||
| US4052558A (en) * | 1974-12-09 | 1977-10-04 | Colin Davey Patterson | Data transmission system |
| US4008373A (en) * | 1975-10-03 | 1977-02-15 | Motorola, Inc. | Digital differential phase shift keyed modulator |
| US4049909A (en) * | 1975-10-29 | 1977-09-20 | Bell Telephone Laboratories, Incorporated | Digital modulator |
| NL7804575A (nl) * | 1978-04-28 | 1979-10-30 | Philips Nv | Transmissiestelsel voor de overdracht van informatie impulsen. |
| US4241398A (en) * | 1978-09-29 | 1980-12-23 | United Technologies Corporation | Computer network, line protocol system |
| US4358853A (en) * | 1981-01-22 | 1982-11-09 | Codex Corporation | Digital modem transmitter |
| NL8104668A (nl) * | 1981-10-14 | 1983-05-02 | Philips Nv | Vermenigvuldigschakeling voor stereo-decoders. |
| NL8302591A (nl) * | 1983-07-20 | 1985-02-18 | Philips Nv | Vermenigvuldigschakeling met geschakelde capaciteiten circuits. |
| US5801595A (en) * | 1997-01-10 | 1998-09-01 | Harris Corporation | Device and method for digital vestigial sideband modulation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL294442A (fr) * | 1963-06-21 | |||
| NL153045B (nl) * | 1966-03-05 | 1977-04-15 | Philips Nv | Filter voor analoge signalen. |
| US3522537A (en) * | 1966-07-25 | 1970-08-04 | Western Union Telegraph Co | Vestigial sideband transmission system having two channels in quadrature |
-
1968
- 1968-07-09 NL NL686809708A patent/NL154082B/xx not_active IP Right Cessation
-
1969
- 1969-07-04 DK DK363769AA patent/DK141740B/da unknown
- 1969-07-04 GB GB33770/69A patent/GB1278693A/en not_active Expired
- 1969-07-05 DE DE1934296A patent/DE1934296C3/de not_active Expired
- 1969-07-07 CA CA056321A patent/CA923562A/en not_active Expired
- 1969-07-07 CH CH1033969A patent/CH502729A/de not_active IP Right Cessation
- 1969-07-07 AT AT651869A patent/AT300896B/de not_active IP Right Cessation
- 1969-07-07 NO NO02843/69A patent/NO130252B/no unknown
- 1969-07-07 SE SE09600/69A patent/SE349212B/xx unknown
- 1969-07-07 BE BE735775D patent/BE735775A/xx unknown
- 1969-07-09 FR FR6923358A patent/FR2012601A1/fr not_active Withdrawn
- 1969-07-09 US US840409A patent/US3611143A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK141740C (fr) | 1980-10-27 |
| CA923562A (en) | 1973-03-27 |
| NL6809708A (fr) | 1970-01-13 |
| CH502729A (de) | 1971-01-31 |
| NL154082B (nl) | 1977-07-15 |
| AT300896B (de) | 1972-08-10 |
| DE1934296C3 (de) | 1979-05-23 |
| SE349212B (fr) | 1972-09-18 |
| BE735775A (fr) | 1970-01-07 |
| FR2012601A1 (fr) | 1970-03-20 |
| DE1934296A1 (de) | 1970-02-12 |
| GB1278693A (en) | 1972-06-21 |
| US3611143A (en) | 1971-10-05 |
| DE1934296B2 (de) | 1978-09-28 |
| DK141740B (da) | 1980-06-02 |
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