LU67901A1 - - Google Patents
Info
- Publication number
- LU67901A1 LU67901A1 LU67901A LU67901DA LU67901A1 LU 67901 A1 LU67901 A1 LU 67901A1 LU 67901 A LU67901 A LU 67901A LU 67901D A LU67901D A LU 67901DA LU 67901 A1 LU67901 A1 LU 67901A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/05—Frequency-transposition arrangements using digital techniques
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Time-Division Multiplex Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7224032A FR2191826A5 (it) | 1972-07-03 | 1972-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU67901A1 true LU67901A1 (it) | 1974-01-03 |
Family
ID=9101270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU67901A LU67901A1 (it) | 1972-07-03 | 1973-06-29 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3875340A (it) |
| BE (1) | BE801780A (it) |
| DE (1) | DE2333870A1 (it) |
| FR (1) | FR2191826A5 (it) |
| GB (1) | GB1437205A (it) |
| IE (1) | IE37872B1 (it) |
| IT (1) | IT991652B (it) |
| LU (1) | LU67901A1 (it) |
| NL (1) | NL7309282A (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065648A1 (de) * | 1981-05-22 | 1982-12-01 | ANT Nachrichtentechnik GmbH | Verfahren zur Frequenzvertauschung von Teilbändern |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4086536A (en) * | 1975-06-24 | 1978-04-25 | Honeywell Inc. | Single sideband transmitter apparatus |
| US4001510A (en) * | 1975-07-07 | 1977-01-04 | Motorola, Inc. | Digital modulator and demodulator system for fdm telephony |
| US4316282A (en) * | 1979-11-23 | 1982-02-16 | Rca Corporation | Multichannel frequency translation of sampled waveforms by decimation and interpolation |
| JPS6259432A (ja) * | 1985-09-10 | 1987-03-16 | Nec Corp | Ｆｄｍ／ｔｄｍ相互変換方式 |
| DE3626862A1 (de) * | 1986-08-08 | 1988-02-11 | Philips Patentverwaltung | Mehrstufige sender- antennenkoppeleinrichtung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3676598A (en) * | 1970-06-08 | 1972-07-11 | Bell Telephone Labor Inc | Frequency division multiplex single-sideband modulation system |
-
1972
- 1972-07-03 FR FR7224032A patent/FR2191826A5/fr not_active Expired
-
1973
- 1973-06-29 LU LU67901A patent/LU67901A1/xx unknown
- 1973-07-02 IT IT68956/73A patent/IT991652B/it active
- 1973-07-02 BE BE1005208A patent/BE801780A/xx unknown
- 1973-07-03 IE IE1110/73A patent/IE37872B1/xx unknown
- 1973-07-03 GB GB3175373A patent/GB1437205A/en not_active Expired
- 1973-07-03 US US376169A patent/US3875340A/en not_active Expired - Lifetime
- 1973-07-03 NL NL7309282A patent/NL7309282A/xx not_active Application Discontinuation
- 1973-07-03 DE DE19732333870 patent/DE2333870A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065648A1 (de) * | 1981-05-22 | 1982-12-01 | ANT Nachrichtentechnik GmbH | Verfahren zur Frequenzvertauschung von Teilbändern |
Also Published As
| Publication number | Publication date |
|---|---|
| IE37872L (en) | 1974-01-03 |
| BE801780A (fr) | 1974-01-02 |
| FR2191826A5 (it) | 1974-02-01 |
| DE2333870A1 (de) | 1974-01-17 |
| US3875340A (en) | 1975-04-01 |
| IT991652B (it) | 1975-08-30 |
| GB1437205A (en) | 1976-05-26 |
| IE37872B1 (en) | 1977-11-09 |
| NL7309282A (it) | 1974-01-07 |