BE870054A - Systeme de transmission radioelectrique d'informations a modulation de frequence et/ou modulation de phase - Google Patents
Systeme de transmission radioelectrique d'informations a modulation de frequence et/ou modulation de phaseInfo
- Publication number
- BE870054A BE870054A BE190136A BE190136A BE870054A BE 870054 A BE870054 A BE 870054A BE 190136 A BE190136 A BE 190136A BE 190136 A BE190136 A BE 190136A BE 870054 A BE870054 A BE 870054A
- Authority
- BE
- Belgium
- Prior art keywords
- radioelectric
- transmission system
- information transmission
- modulation
- frequency modulation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2738800A DE2738800C3 (de) | 1977-08-29 | 1977-08-29 | Funknachrichtenübertragungssystem mit Frequenz- und/oder Phasenmodulation |
Publications (1)
Publication Number | Publication Date |
---|---|
BE870054A true BE870054A (fr) | 1978-12-18 |
Family
ID=6017527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE190136A BE870054A (fr) | 1977-08-29 | 1978-08-29 | Systeme de transmission radioelectrique d'informations a modulation de frequence et/ou modulation de phase |
Country Status (17)
Country | Link |
---|---|
US (1) | US4286334A (fr) |
AT (1) | AT377398B (fr) |
BE (1) | BE870054A (fr) |
CA (1) | CA1113544A (fr) |
CH (1) | CH632362A5 (fr) |
DE (1) | DE2738800C3 (fr) |
DK (1) | DK151672C (fr) |
FR (1) | FR2402354A1 (fr) |
GB (1) | GB1603739A (fr) |
GR (1) | GR64040B (fr) |
IE (1) | IE47158B1 (fr) |
IT (1) | IT1098694B (fr) |
LU (1) | LU80166A1 (fr) |
NL (1) | NL7806935A (fr) |
NO (1) | NO151388C (fr) |
SE (1) | SE440431B (fr) |
TR (1) | TR20423A (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4498173A (en) * | 1982-06-17 | 1985-02-05 | At&T Bell Laboratories | Technique for digital split-channel transmission using interpolative coders and decoders |
JPS59101942A (ja) * | 1982-12-01 | 1984-06-12 | Omron Tateisi Electronics Co | デ−タ伝送方式 |
DE3329601A1 (de) * | 1983-08-17 | 1985-03-07 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | System zur kompensation von signalstoerungen bei einer pcm-tonuebertragung |
US4675880A (en) * | 1985-05-02 | 1987-06-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Antimultipath communication by injecting tone into null in signal spectrum |
US4835777A (en) * | 1987-01-07 | 1989-05-30 | Motorola, Inc. | Radio paging receiver including duplicate page detection and error correction capability |
FI89649C (fi) * | 1991-09-17 | 1993-10-25 | Nokia Mobile Phones Ltd | Foerfarande foer oekning av kapaciteten och minimering av effektfoerbrukningen i ett cellulaert radiosystem |
US5717725A (en) * | 1992-03-12 | 1998-02-10 | Ntp Incorporated | System for wireless transmission and receiving of information through a computer bus interface and method of operation |
US5710798A (en) * | 1992-03-12 | 1998-01-20 | Ntp Incorporated | System for wireless transmission and receiving of information and method of operation thereof |
US6272190B1 (en) | 1992-03-12 | 2001-08-07 | Ntp Incorporated | System for wireless transmission and receiving of information and method of operation thereof |
US5745532A (en) * | 1992-03-12 | 1998-04-28 | Ntp Incorporated | System for wireless transmission and receiving of information and method of operation thereof |
US5289276A (en) * | 1992-06-19 | 1994-02-22 | General Electric Company | Method and apparatus for conveying compressed video data over a noisy communication channel |
US5812935A (en) * | 1993-04-17 | 1998-09-22 | Hughes Electronics | Cellular system employing base station transmit diversity according to transmission quality level |
US5430724A (en) * | 1993-07-02 | 1995-07-04 | Telefonaktiebolaget L M Ericsson | TDMA on a cellular communications system PCM link |
US5491719A (en) * | 1993-07-02 | 1996-02-13 | Telefonaktiebolaget Lm Ericsson | System for handling data errors on a cellular communications system PCM link |
US5376969A (en) * | 1993-11-15 | 1994-12-27 | Rca Thomson Licensing Corporation | Method and apparatus for conveying compressed video data over a noisy communication channel |
JP2003520486A (ja) * | 2000-01-10 | 2003-07-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 送信システム |
US7027424B1 (en) * | 2000-05-24 | 2006-04-11 | Vtech Communications, Ltd. | Method for avoiding interference in a digital communication system |
EP1160978A1 (fr) * | 2000-05-29 | 2001-12-05 | Sony International (Europe) GmbH | Filtre numérique |
GB0214729D0 (en) * | 2002-06-26 | 2002-08-07 | Koninkl Philips Electronics Nv | Digital receiver arrangement and related method |
US7693488B2 (en) * | 2004-09-30 | 2010-04-06 | Vtech Telecommunications Limited | System and method for asymmetric enhanced mode operation in a digital communication system |
EP2582058B1 (fr) * | 2011-10-10 | 2016-03-30 | ST-Ericsson SA | Procédé pour limiter les interférences |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805278A (en) * | 1951-09-04 | 1957-09-03 | Nederlanden Staat | Telegraph system |
BE559555A (fr) * | 1956-07-27 | |||
CH405406A (de) * | 1961-04-10 | 1966-01-15 | Standard Telephon & Radio Ag | Nachrichtenübertragungsanlage mit einer Einrichtung zur Fehlerkontrolle |
NL6402192A (fr) * | 1964-03-05 | 1965-09-06 | ||
US3374437A (en) * | 1964-08-26 | 1968-03-19 | Heath Co | Squelch system for radio receivers |
DE1218495B (de) * | 1964-10-23 | 1966-06-08 | Siemens Ag | Verfahren und Schaltungsanordnung fuer Telegrafieuebertragungen mit sendenden und empfangenden Stationen, die jeweils Mittel zur Wiederholung gestoerter Zeichen und zur automatischen Einphasung besitzen |
US3351940A (en) * | 1965-04-06 | 1967-11-07 | Norman R Ortwein | Microwave transhorizon broadcast radio system |
US3588705A (en) * | 1969-11-12 | 1971-06-28 | Nasa | Frequency-modulation demodulator threshold extension device |
US3781794A (en) * | 1972-04-18 | 1973-12-25 | Us Army | Data diversity combining technique |
US3983488A (en) * | 1974-06-17 | 1976-09-28 | California Microwave, Inc. | Frequency-modulation demodulator threshold extension device |
GB1548252A (en) * | 1975-07-02 | 1979-07-11 | Siemens Ag | Diversity data transmission systems |
US4001692A (en) * | 1975-07-07 | 1977-01-04 | Barry Research Corporation | Time diversity data transmission apparatus |
-
1977
- 1977-08-29 DE DE2738800A patent/DE2738800C3/de not_active Expired
-
1978
- 1978-05-26 GB GB23286/78A patent/GB1603739A/en not_active Expired
- 1978-06-27 NL NL7806935A patent/NL7806935A/xx not_active Application Discontinuation
- 1978-07-24 CH CH794878A patent/CH632362A5/de not_active IP Right Cessation
- 1978-08-18 US US05/934,950 patent/US4286334A/en not_active Expired - Lifetime
- 1978-08-25 IT IT27029/78A patent/IT1098694B/it active
- 1978-08-25 NO NO782891A patent/NO151388C/no unknown
- 1978-08-25 FR FR7824671A patent/FR2402354A1/fr active Granted
- 1978-08-25 TR TR20423A patent/TR20423A/xx unknown
- 1978-08-28 DK DK378878A patent/DK151672C/da not_active IP Right Cessation
- 1978-08-28 SE SE7809052A patent/SE440431B/sv not_active IP Right Cessation
- 1978-08-28 AT AT0624478A patent/AT377398B/de not_active IP Right Cessation
- 1978-08-28 IE IE1725/78A patent/IE47158B1/en unknown
- 1978-08-28 CA CA310,185A patent/CA1113544A/fr not_active Expired
- 1978-08-28 LU LU80166A patent/LU80166A1/de unknown
- 1978-08-29 GR GR57117A patent/GR64040B/el unknown
- 1978-08-29 BE BE190136A patent/BE870054A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT377398B (de) | 1985-03-11 |
NL7806935A (nl) | 1979-03-02 |
DE2738800A1 (de) | 1979-03-08 |
ATA624478A (de) | 1984-07-15 |
IT7827029A0 (it) | 1978-08-25 |
IE47158B1 (en) | 1983-12-28 |
GB1603739A (en) | 1981-11-25 |
DE2738800B2 (de) | 1979-12-06 |
FR2402354A1 (fr) | 1979-03-30 |
DK151672B (da) | 1987-12-21 |
US4286334A (en) | 1981-08-25 |
SE7809052L (sv) | 1979-03-01 |
CH632362A5 (de) | 1982-09-30 |
TR20423A (tr) | 1981-06-26 |
NO151388B (no) | 1984-12-17 |
DK151672C (da) | 1988-05-24 |
IT1098694B (it) | 1985-09-07 |
SE440431B (sv) | 1985-07-29 |
GR64040B (en) | 1980-01-19 |
NO151388C (no) | 1985-03-27 |
DE2738800C3 (de) | 1980-08-14 |
NO782891L (no) | 1979-03-01 |
FR2402354B1 (fr) | 1982-08-13 |
IE781725L (en) | 1979-02-28 |
CA1113544A (fr) | 1981-12-01 |
LU80166A1 (de) | 1979-02-12 |
DK378878A (da) | 1979-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SIEMENS A.G. Effective date: 19880831 |