IE40976B1 - Multichannel modulating arrangement - Google Patents
Multichannel modulating arrangementInfo
- Publication number
- IE40976B1 IE40976B1 IE813/75A IE81375A IE40976B1 IE 40976 B1 IE40976 B1 IE 40976B1 IE 813/75 A IE813/75 A IE 813/75A IE 81375 A IE81375 A IE 81375A IE 40976 B1 IE40976 B1 IE 40976B1
- Authority
- IE
- Ireland
- Prior art keywords
- coded
- signal
- bits
- sampling
- groups
- Prior art date
Links
- 238000005070 sampling Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7413068A FR2270721B1 (enExample) | 1974-04-12 | 1974-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE40976L IE40976L (en) | 1975-10-12 |
| IE40976B1 true IE40976B1 (en) | 1979-09-26 |
Family
ID=9137637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE813/75A IE40976B1 (en) | 1974-04-12 | 1975-04-10 | Multichannel modulating arrangement |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3969617A (enExample) |
| BE (1) | BE827814A (enExample) |
| CA (1) | CA1048177A (enExample) |
| DE (1) | DE2515860A1 (enExample) |
| DK (1) | DK157275A (enExample) |
| FR (1) | FR2270721B1 (enExample) |
| GB (1) | GB1489284A (enExample) |
| IE (1) | IE40976B1 (enExample) |
| IT (1) | IT1034954B (enExample) |
| LU (1) | LU72264A1 (enExample) |
| NL (1) | NL7504270A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316259A (en) * | 1980-03-18 | 1982-02-16 | Grumman Aerospace Corporation | Programmable function generator |
| IL78972A (en) * | 1985-06-14 | 1991-04-15 | Mitsubishi Electric Sales Amer | Video optimized modulator-demodulator |
| DE3605148A1 (de) * | 1986-02-18 | 1987-08-20 | Vmei Lenin Nis | Vorrichtung fuer die magnetische therapie |
| US5825805A (en) * | 1991-10-29 | 1998-10-20 | Canon | Spread spectrum communication system |
| US5255269A (en) * | 1992-03-30 | 1993-10-19 | Spacecom Systems, Inc. | Transmission of data by frequency modulation using gray code |
| FR2777145B1 (fr) * | 1998-04-02 | 2000-04-28 | Alsthom Cge Alcatel | Modulateur multiporteuses large bande et procede de programmation correspondant |
| GB2355899A (en) * | 1999-10-29 | 2001-05-02 | Oak Technology Inc | Multistage digital processor with dedicated stage clock controllers |
| US7409015B1 (en) * | 2005-11-29 | 2008-08-05 | The United States As Represented By The Secretary Of The Army | Adaptive modulation scheme based on cutoff rate with imperfect channel state information |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3378773A (en) * | 1965-09-13 | 1968-04-16 | Gen Dynamics Corp | Frequency and amplitude modulation transmitter and modulator |
| US3654450A (en) * | 1970-04-03 | 1972-04-04 | Joseph A Webb | Digital signal generator synthesizer |
| JPS5038488B1 (enExample) * | 1970-08-14 | 1975-12-10 | ||
| JPS5125303B1 (enExample) * | 1971-02-10 | 1976-07-30 | ||
| US3763364A (en) * | 1971-11-26 | 1973-10-02 | North American Rockwell | Apparatus for storing and reading out periodic waveforms |
| US3813528A (en) * | 1972-06-02 | 1974-05-28 | Singer Co | High-speed function generator |
-
1974
- 1974-04-12 FR FR7413068A patent/FR2270721B1/fr not_active Expired
-
1975
- 1975-04-08 US US05/566,512 patent/US3969617A/en not_active Expired - Lifetime
- 1975-04-09 GB GB14710/75A patent/GB1489284A/en not_active Expired
- 1975-04-09 IT IT22137/75A patent/IT1034954B/it active
- 1975-04-10 NL NL7504270A patent/NL7504270A/xx not_active Application Discontinuation
- 1975-04-10 CA CA224,361A patent/CA1048177A/en not_active Expired
- 1975-04-10 IE IE813/75A patent/IE40976B1/xx unknown
- 1975-04-10 LU LU72264A patent/LU72264A1/xx unknown
- 1975-04-10 BE BE155305A patent/BE827814A/xx unknown
- 1975-04-11 DK DK157275A patent/DK157275A/da not_active IP Right Cessation
- 1975-04-11 DE DE19752515860 patent/DE2515860A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3969617A (en) | 1976-07-13 |
| IE40976L (en) | 1975-10-12 |
| DE2515860A1 (de) | 1975-10-23 |
| FR2270721A1 (enExample) | 1975-12-05 |
| CA1048177A (en) | 1979-02-06 |
| IT1034954B (it) | 1979-10-10 |
| FR2270721B1 (enExample) | 1976-10-08 |
| LU72264A1 (enExample) | 1975-08-20 |
| GB1489284A (en) | 1977-10-19 |
| NL7504270A (nl) | 1975-10-14 |
| BE827814A (fr) | 1975-07-31 |
| DK157275A (enExample) | 1975-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0377180A3 (en) | All-digital quadrature modulator | |
| IT1091439B (it) | Procedimento e sistema di modulazione e demodulazione per trasmissione numerica | |
| SE7705875L (sv) | Flerkanalsystem | |
| KR890016792A (ko) | Pcm에서의 아나로그 신호합성장치 | |
| IE40976B1 (en) | Multichannel modulating arrangement | |
| FR2331219B1 (enExample) | ||
| KR830008291A (ko) | 디지탈 정보를 형성시키는 장치와 방법 | |
| GB1337056A (en) | Data transmission systems | |
| GB1456103A (en) | Vocoder system | |
| ES8103897A1 (es) | Un metodo para desmodular una senal de datos de dos niveles codificada en cuatro fases,y receptor correspondiente | |
| GB1384777A (en) | Frequency modulator | |
| JPS645135A (en) | Digital transmission system | |
| KR890003144A (ko) | 음성 대역 스플리팅 스크램블러 | |
| FR2379943B1 (enExample) | ||
| GB1445185A (en) | Frequency-differential phase modulation | |
| US3749843A (en) | Digital amplitude modulator | |
| SE7504909L (sv) | Modulator | |
| JPS6458125A (en) | Digital analog converter | |
| GB1432373A (en) | Apparatus for producing digised signals for defining an amplitude modulated sub-carrier | |
| JPS5647153A (en) | Digital phase modulation system | |
| SU604168A1 (ru) | Многоканальное устройство дл передачи информации с дельта-модул цией | |
| DE3377326D1 (en) | Digital direct rf-modulation method and circuit arrangement for carrying out said method | |
| KR850008075A (ko) | 통신 시스템 | |
| SU1626420A1 (ru) | Устройство дл формировани группового сигнала | |
| FR2314618A1 (fr) | Procede de codage differentiel par impulsions codees du type dpcm a intervalles variables et systeme de transmission de donnees utilisant un tel procede |