FR2154306A1 - - Google Patents
Info
- Publication number
- FR2154306A1 FR2154306A1 FR7134826A FR7134826A FR2154306A1 FR 2154306 A1 FR2154306 A1 FR 2154306A1 FR 7134826 A FR7134826 A FR 7134826A FR 7134826 A FR7134826 A FR 7134826A FR 2154306 A1 FR2154306 A1 FR 2154306A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
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- 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
- H04L27/2035—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 a single or unspecified number of carriers
- H04L27/2042—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 a single or unspecified number of carriers with more than two phase states
- H04L27/205—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 a single or unspecified number of carriers with more than two phase states in which the data are represented by the change in phase of the carrier
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7134826A FR2154306B1 (en) | 1971-09-28 | 1971-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7134826A FR2154306B1 (en) | 1971-09-28 | 1971-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2154306A1 true FR2154306A1 (en) | 1973-05-11 |
| FR2154306B1 FR2154306B1 (en) | 1974-05-31 |
Family
ID=9083575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7134826A Expired FR2154306B1 (en) | 1971-09-28 | 1971-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2154306B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0422417A2 (en) * | 1989-10-13 | 1991-04-17 | ANT Nachrichtentechnik GmbH | Apparatus for producing a QPSK signal |
| EP0475165A2 (en) * | 1990-09-11 | 1992-03-18 | ANT Nachrichtentechnik GmbH | Method for producing a QPSK signal with a superposed carrier |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2905812A (en) * | 1955-04-18 | 1959-09-22 | Collins Radio Co | High information capacity phase-pulse multiplex system |
| FR1571835A (en) * | 1968-03-01 | 1969-06-20 |
-
1971
- 1971-09-28 FR FR7134826A patent/FR2154306B1/fr not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2905812A (en) * | 1955-04-18 | 1959-09-22 | Collins Radio Co | High information capacity phase-pulse multiplex system |
| FR1571835A (en) * | 1968-03-01 | 1969-06-20 |
Non-Patent Citations (1)
| Title |
|---|
| Revue japonaise NEC RESEARCH & DEVELOPMENT, no. 21., avril 1971. article: 'A 448 Mb/s PCM 4-Phase solidstate regenerative repeater for guided millimeter-wave communication systems', pages 1 - 13. Auteurs: SUGIMOYO, SUGIYAMA, MATSUO, TOMOZAWA, SUGIURA, KAWAI, ANDO et HORIGUCHI * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0422417A2 (en) * | 1989-10-13 | 1991-04-17 | ANT Nachrichtentechnik GmbH | Apparatus for producing a QPSK signal |
| EP0422417A3 (en) * | 1989-10-13 | 1992-06-17 | Ant Nachrichtentechnik Gmbh | Method of producing a qpsk signal |
| EP0475165A2 (en) * | 1990-09-11 | 1992-03-18 | ANT Nachrichtentechnik GmbH | Method for producing a QPSK signal with a superposed carrier |
| EP0475165A3 (en) * | 1990-09-11 | 1992-06-17 | Ant Nachrichtentechnik Gmbh | Method for producing a qpsk signal with a superposed carrier |
| US5289503A (en) * | 1990-09-11 | 1994-02-22 | Ant Nachrichtentechnik Gmbh | Method and circuit arrangement for producing a QPSK signal on which a carrier signal is superposed |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2154306B1 (en) | 1974-05-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |