JPS555730B2 - - Google Patents
Info
- Publication number
- JPS555730B2 JPS555730B2 JP6766073A JP6766073A JPS555730B2 JP S555730 B2 JPS555730 B2 JP S555730B2 JP 6766073 A JP6766073 A JP 6766073A JP 6766073 A JP6766073 A JP 6766073A JP S555730 B2 JPS555730 B2 JP S555730B2
- Authority
- JP
- Japan
- 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.)
- Expired
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
- 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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Amplitude Modulation (AREA)
- Time-Division Multiplex Systems (AREA)
- Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7221646A FR2188920A5 (en:Method) | 1972-06-15 | 1972-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4952512A JPS4952512A (en:Method) | 1974-05-22 |
| JPS555730B2 true JPS555730B2 (en:Method) | 1980-02-08 |
Family
ID=9100267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6766073A Expired JPS555730B2 (en:Method) | 1972-06-15 | 1973-06-15 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3891803A (en:Method) |
| JP (1) | JPS555730B2 (en:Method) |
| BE (1) | BE800931A (en:Method) |
| CA (1) | CA987742A (en:Method) |
| CH (1) | CH576730A5 (en:Method) |
| DE (1) | DE2329337C2 (en:Method) |
| FR (1) | FR2188920A5 (en:Method) |
| GB (1) | GB1418384A (en:Method) |
| NL (1) | NL175961C (en:Method) |
| SE (1) | SE394846B (en:Method) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2455754C3 (de) * | 1973-11-29 | 1981-11-19 | Télécommunications Radioélectriques et Téléphoniques T.R.T., 75013 Paris | Schaltungsanordnung zur digitalen Verarbeitung einer gegebenen Anzahl von Kanalsignalen |
| FR2315809A1 (fr) * | 1975-06-24 | 1977-01-21 | Trt Telecom Radio Electr | Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence |
| FR2326818A1 (fr) * | 1975-10-02 | 1977-04-29 | Thomson Csf | Systeme de transmission telephonique, multiplexeur et demultiplexeur pour la mise en oeuvre d'un tel systeme |
| US4107470A (en) * | 1976-02-24 | 1978-08-15 | Nippon Electric Co., Ltd. | Digital SSB-FDM communication system derived from a complex band-pass digital filter bank and by a filter breakdown process |
| NL180369C (nl) * | 1977-04-04 | 1987-02-02 | Philips Nv | Inrichting voor het omzetten van discrete signalen in een discreet enkelzijband frequentie-multiplex-signaal en omgekeerd. |
| US4131766A (en) * | 1977-07-11 | 1978-12-26 | Granger Associates | Digital filter bank |
| US4199660A (en) * | 1977-11-07 | 1980-04-22 | Communications Satellite Corporation | FDM/TDM Transmultiplexer |
| JPS5478009A (en) * | 1977-12-02 | 1979-06-21 | Sony Corp | Disturbing signal elimination unit |
| FR2427743A1 (fr) * | 1978-05-29 | 1979-12-28 | Trt Telecom Radio Electr | Dispositif de surveillance d'un transmultiplexeur |
| US4237551A (en) * | 1978-12-22 | 1980-12-02 | Granger Associates | Transmultiplexer |
| US4300229A (en) * | 1979-02-21 | 1981-11-10 | Nippon Electric Co., Ltd. | Transmitter and receiver for an othogonally multiplexed QAM signal of a sampling rate N times that of PAM signals, comprising an N/2-point offset fourier transform processor |
| FR2464601B1 (fr) * | 1979-08-29 | 1986-10-24 | Trt Telecom Radio Electr | Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse |
| IT1132026B (it) * | 1980-07-30 | 1986-06-25 | Telettra Lab Telefon | Apparato per multiplazione in frequenza a banda laterale unica e a mezzo di elaborazione numerica |
| US4393456A (en) * | 1981-03-19 | 1983-07-12 | Bell Telephone Laboratories, Incorporated | Digital filter bank |
| IN158693B (en:Method) * | 1981-12-22 | 1987-01-03 | Westinghouse Brake & Signal | |
| US4785447A (en) * | 1987-02-17 | 1988-11-15 | Nec Corporation | FDM demultiplexer using oversampled digital filters |
| US5058107A (en) * | 1989-01-05 | 1991-10-15 | Hughes Aircraft Company | Efficient digital frequency division multiplexed signal receiver |
| KR100432987B1 (ko) * | 1999-05-10 | 2004-05-24 | 인피니언 테크놀로지스 아게 | 통신 단말기용 수신 회로 및 수신 회로에서의 신호 처리방법 |
| US7072412B1 (en) | 1999-11-09 | 2006-07-04 | Maurice Bellanger | Multicarrier digital transmission system using an OQAM transmultiplexer |
| US6837613B2 (en) * | 2001-04-10 | 2005-01-04 | Levtech, Inc. | Sterile fluid pumping or mixing system and related method |
| US7711510B2 (en) | 2002-10-24 | 2010-05-04 | Lecroy Corporation | Method of crossover region phase correction when summing signals in multiple frequency bands |
| ATE484103T1 (de) * | 2002-10-24 | 2010-10-15 | Lecroy Corp | Echtzeitoszilloskop mit hoher bandbreite |
| US7219037B2 (en) | 2002-10-24 | 2007-05-15 | Lecroy Corporation | High bandwidth oscilloscope |
| US10659071B2 (en) | 2002-10-24 | 2020-05-19 | Teledyne Lecroy, Inc. | High bandwidth oscilloscope |
| US7957938B2 (en) * | 2002-10-24 | 2011-06-07 | Lecroy Corporation | Method and apparatus for a high bandwidth oscilloscope utilizing multiple channel digital bandwidth interleaving |
| US7304597B1 (en) * | 2006-05-26 | 2007-12-04 | Lecroy Corporation | Adaptive interpolation for use in reducing signal spurs |
| US7535394B2 (en) * | 2007-07-10 | 2009-05-19 | Lecroy Corporation | High speed arbitrary waveform generator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3605019A (en) * | 1969-01-15 | 1971-09-14 | Ibm | Selective fading transformer |
| US3573380A (en) * | 1969-05-15 | 1971-04-06 | Bell Telephone Labor Inc | Single-sideband modulation system |
| US3676598A (en) * | 1970-06-08 | 1972-07-11 | Bell Telephone Labor Inc | Frequency division multiplex single-sideband modulation system |
| BE789239A (fr) * | 1971-12-27 | 1973-01-15 | Western Electric Co | Procede et dispositif pour separer et demoduler simultanement un signalmultiplex |
-
1972
- 1972-06-15 FR FR7221646A patent/FR2188920A5/fr not_active Expired
-
1973
- 1973-06-01 US US366073A patent/US3891803A/en not_active Expired - Lifetime
- 1973-06-07 CA CA173,415A patent/CA987742A/en not_active Expired
- 1973-06-08 DE DE2329337A patent/DE2329337C2/de not_active Expired
- 1973-06-12 GB GB2782973A patent/GB1418384A/en not_active Expired
- 1973-06-12 NL NLAANVRAGE7308105,A patent/NL175961C/xx not_active IP Right Cessation
- 1973-06-12 SE SE7308244A patent/SE394846B/xx unknown
- 1973-06-12 CH CH848773A patent/CH576730A5/xx not_active IP Right Cessation
- 1973-06-14 BE BE132286A patent/BE800931A/xx not_active IP Right Cessation
- 1973-06-15 JP JP6766073A patent/JPS555730B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE800931A (fr) | 1973-12-14 |
| NL175961B (nl) | 1984-08-16 |
| DE2329337C2 (de) | 1982-06-09 |
| NL7308105A (en:Method) | 1973-12-18 |
| AU5675873A (en) | 1974-12-12 |
| FR2188920A5 (en:Method) | 1974-01-18 |
| NL175961C (nl) | 1985-01-16 |
| SE394846B (sv) | 1977-07-11 |
| CA987742A (en) | 1976-04-20 |
| CH576730A5 (en:Method) | 1976-06-15 |
| JPS4952512A (en:Method) | 1974-05-22 |
| DE2329337A1 (de) | 1974-01-03 |
| GB1418384A (en) | 1975-12-17 |
| US3891803A (en) | 1975-06-24 |