LU48537A1 - - Google Patents
Info
- Publication number
- LU48537A1 LU48537A1 LU48537A LU48537A LU48537A1 LU 48537 A1 LU48537 A1 LU 48537A1 LU 48537 A LU48537 A LU 48537A LU 48537 A LU48537 A LU 48537A LU 48537 A1 LU48537 A1 LU 48537A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
- H04L27/2075—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the change in carrier phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
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 |
|---|---|---|---|
| FR974213A FR1403768A (fr) | 1964-05-12 | 1964-05-12 | Télégraphie à modulation trivalente |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU48537A1 true LU48537A1 (de) | 1966-11-07 |
Family
ID=8829856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU48537A LU48537A1 (de) | 1964-05-12 | 1965-05-06 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3412206A (de) |
| BE (1) | BE663405A (de) |
| DE (1) | DE1201862B (de) |
| FR (1) | FR1403768A (de) |
| GB (1) | GB1105448A (de) |
| LU (1) | LU48537A1 (de) |
| NL (1) | NL6505928A (de) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1222974B (de) * | 1965-02-04 | 1966-08-18 | Siemens Ag | Verfahren und Schaltungsanordnung zur UEbertragung binaerer Signale in hoeher codierter Form |
| FR1580108A (de) * | 1966-03-02 | 1969-09-05 | ||
| DE1787021B1 (de) * | 1968-03-01 | 1976-01-22 | Milgo Electronic Corp | Verfahren und Schaltung zur Erzeugung eines phasendifferenzmodulierten Signals fuer die Datenuebertragung,insbesondere ueber Telefonleitungen |
| US3739277A (en) * | 1969-06-02 | 1973-06-12 | Hallicrafters Co | Digital data transmission system utilizing phase shift keying |
| US3619503A (en) * | 1969-11-18 | 1971-11-09 | Int Communications Corp | Phase and amplitude modulated modem |
| US3617941A (en) * | 1970-08-03 | 1971-11-02 | Sylvania Electric Prod | Table look-up modulator |
| DE2043164B2 (de) * | 1970-08-31 | 1972-10-12 | Siemens AG, 1000 Berlin u. 8000 München | Schaltungsanordnung zur demodulation von phasendifferenzmodulierten datensignalen |
| DE2324542C3 (de) * | 1973-05-15 | 1979-01-25 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur frequenzdifferenziellen Phasenmodulation |
| US3867574A (en) * | 1973-06-20 | 1975-02-18 | Gen Motors Corp | Three phase jump encoder and decoder |
| FR2237379A1 (en) * | 1973-07-12 | 1975-02-07 | Ibm France | Correction method for data signal modulated on carrier - is for signal distorted by linearly distorting transmission medium |
| US4217467A (en) * | 1974-07-19 | 1980-08-12 | Nippon Telegraph & Telephone Public Corporation | Amplitude and periodic phase modulation transmission system |
| GB1519972A (en) * | 1974-07-19 | 1978-08-02 | Nippon Telegraph & Telephone | Data transmission system |
| US4010323A (en) * | 1975-10-29 | 1977-03-01 | Bell Telephone Laboratories, Incorporated | Digital timing recovery |
| US4087677A (en) * | 1976-09-29 | 1978-05-02 | International Telephone & Telegraph Corporation | Digital PSK modem |
| US4298984A (en) * | 1976-10-06 | 1981-11-03 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Method and apparatus for improving error rate on radio teletype circuits |
| GB2079566B (en) | 1980-05-16 | 1985-01-09 | Racal Recorders Ltd | Data encoding and/or decoding |
| US4997450A (en) * | 1989-03-10 | 1991-03-05 | Ecolab Inc. | Decolorizing dyed fabric or garments |
| KR0137529B1 (ko) * | 1995-03-20 | 1998-07-01 | 김주용 | 4상 위상 변조기 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267711A (de) * | 1960-08-15 | |||
| US3330909A (en) * | 1964-01-02 | 1967-07-11 | Bell Telephone Labor Inc | Pulse communication system |
-
1964
- 1964-05-12 FR FR974213A patent/FR1403768A/fr not_active Expired
-
1965
- 1965-05-04 BE BE663405D patent/BE663405A/xx unknown
- 1965-05-06 LU LU48537A patent/LU48537A1/xx unknown
- 1965-05-07 GB GB19483/65A patent/GB1105448A/en not_active Expired
- 1965-05-10 DE DEC35811A patent/DE1201862B/de active Pending
- 1965-05-11 NL NL6505928A patent/NL6505928A/xx unknown
- 1965-05-12 US US455183A patent/US3412206A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1403768A (fr) | 1965-06-25 |
| NL6505928A (de) | 1965-11-15 |
| BE663405A (de) | 1965-11-04 |
| DE1201862B (de) | 1965-09-30 |
| GB1105448A (en) | 1968-03-06 |
| US3412206A (en) | 1968-11-19 |