SE395584B - Forfarande for overforing av data fran tva oberoende datakellor samt anordning for utforande av forfarandet - Google Patents
Forfarande for overforing av data fran tva oberoende datakellor samt anordning for utforande av forfarandetInfo
- Publication number
- SE395584B SE395584B SE7406236A SE7406236A SE395584B SE 395584 B SE395584 B SE 395584B SE 7406236 A SE7406236 A SE 7406236A SE 7406236 A SE7406236 A SE 7406236A SE 395584 B SE395584 B SE 395584B
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- transfering
- data
- data sources
- independent
- Prior art date
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
- 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
- H04L27/2057—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 with a separate carrier for each phase state
-
- 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
- H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/359,186 US3943285A (en) | 1973-05-10 | 1973-05-10 | Multiplexed data modem |
Publications (1)
Publication Number | Publication Date |
---|---|
SE395584B true SE395584B (sv) | 1977-08-15 |
Family
ID=23412694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7406236A SE395584B (sv) | 1973-05-10 | 1974-05-09 | Forfarande for overforing av data fran tva oberoende datakellor samt anordning for utforande av forfarandet |
Country Status (8)
Country | Link |
---|---|
US (1) | US3943285A (xx) |
JP (1) | JPS5845222B2 (xx) |
CA (1) | CA1026474A (xx) |
CH (1) | CH588193A5 (xx) |
DE (1) | DE2422134C3 (xx) |
FR (1) | FR2229170B1 (xx) |
GB (1) | GB1476251A (xx) |
SE (1) | SE395584B (xx) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4166923A (en) * | 1974-07-19 | 1979-09-04 | Nippon Telegraph & Telephone Public Corporation | Amplitude- and periodic phase-modulation transmission system |
US4217467A (en) * | 1974-07-19 | 1980-08-12 | Nippon Telegraph & Telephone Public Corporation | Amplitude and periodic phase modulation transmission system |
US4169246A (en) * | 1976-12-06 | 1979-09-25 | Motorola, Inc. | Digital carrier correction circuit |
US4382297A (en) * | 1980-10-24 | 1983-05-03 | Bell Telephone Laboratories, Incorporated | Demultiplex receiver apparatus |
US4381560A (en) * | 1980-10-24 | 1983-04-26 | Bell Telephone Laboratories, Incorporated | Multiplex transmitter apparatus |
US4509171A (en) * | 1982-12-08 | 1985-04-02 | Paradyne Corporation | Modem multiplexer synchronization by radial modulation |
US4987586A (en) * | 1987-07-31 | 1991-01-22 | Compaq Computer Corporation | Modem-telephone interconnect |
US4891806A (en) * | 1987-09-18 | 1990-01-02 | Racal Data Communications Inc. | Constellation multiplexed inband secondary channel for voiceband modem |
JPH0249915U (xx) * | 1988-10-03 | 1990-04-06 | ||
US5122758A (en) * | 1989-12-18 | 1992-06-16 | Nec Corporation | Differential phase demodulator for psk-modulated signals |
EP0467712B1 (en) * | 1990-07-20 | 1998-04-29 | Nec Corporation | Phase demodulator for psk-modulated signals |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3149283A (en) * | 1960-02-23 | 1964-09-15 | Ericsson Telefon Ab L M | Data transmission system utilizing a start signal |
DE1222974B (de) * | 1965-02-04 | 1966-08-18 | Siemens Ag | Verfahren und Schaltungsanordnung zur UEbertragung binaerer Signale in hoeher codierter Form |
US3619503A (en) * | 1969-11-18 | 1971-11-09 | Int Communications Corp | Phase and amplitude modulated modem |
JPS5038488B1 (xx) * | 1970-08-14 | 1975-12-10 | ||
US3758870A (en) * | 1972-02-23 | 1973-09-11 | Sanders Associates Inc | Digital demodulator |
-
1973
- 1973-05-10 US US05/359,186 patent/US3943285A/en not_active Expired - Lifetime
-
1974
- 1974-05-03 CA CA198,896A patent/CA1026474A/en not_active Expired
- 1974-05-08 DE DE2422134A patent/DE2422134C3/de not_active Expired
- 1974-05-09 SE SE7406236A patent/SE395584B/xx not_active IP Right Cessation
- 1974-05-09 GB GB2047674A patent/GB1476251A/en not_active Expired
- 1974-05-09 FR FR7416120A patent/FR2229170B1/fr not_active Expired
- 1974-05-09 CH CH633574A patent/CH588193A5/xx not_active IP Right Cessation
- 1974-05-10 JP JP49052181A patent/JPS5845222B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1476251A (en) | 1977-06-10 |
DE2422134B2 (de) | 1978-11-30 |
FR2229170A1 (xx) | 1974-12-06 |
CH588193A5 (xx) | 1977-05-31 |
US3943285A (en) | 1976-03-09 |
CA1026474A (en) | 1978-02-14 |
DE2422134A1 (de) | 1974-11-28 |
FR2229170B1 (xx) | 1977-10-28 |
JPS51126005A (en) | 1976-11-02 |
JPS5845222B2 (ja) | 1983-10-07 |
DE2422134C3 (de) | 1979-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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