BE779100A - Modem fm synchrone realise de facon digitale - Google Patents
Modem fm synchrone realise de facon digitaleInfo
- Publication number
- BE779100A BE779100A BE779100A BE779100A BE779100A BE 779100 A BE779100 A BE 779100A BE 779100 A BE779100 A BE 779100A BE 779100 A BE779100 A BE 779100A BE 779100 A BE779100 A BE 779100A
- Authority
- BE
- Belgium
- Prior art keywords
- modem
- digital synchronous
- synchronous
- digital
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2106172A DE2106172C3 (de) | 1971-02-10 | 1971-02-10 | Digitales Synchronmodem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE779100A true BE779100A (fr) | 1972-08-08 |
Family
ID=5798284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE779100A BE779100A (fr) | 1971-02-10 | 1972-02-08 | Modem fm synchrone realise de facon digitale |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3764913A (xx) |
| AU (1) | AU458562B2 (xx) |
| BE (1) | BE779100A (xx) |
| CA (1) | CA979082A (xx) |
| DE (1) | DE2106172C3 (xx) |
| FR (1) | FR2126834A5 (xx) |
| GB (1) | GB1363981A (xx) |
| NL (1) | NL7201533A (xx) |
| SE (1) | SE368130C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987406A (en) * | 1975-08-27 | 1976-10-19 | Standard Oil Company (Indiana) | Seismic group recorder control system |
| US4229827A (en) * | 1979-02-26 | 1980-10-21 | Honeywell Inc. | Single voltage controlled oscillator modem |
| JPH09292477A (ja) * | 1995-12-29 | 1997-11-11 | Council Scient Ind Res | 電話回線を介して標準時刻を送受信可能なマスタ−／スレイブ・クロック装置 |
| KR100438447B1 (ko) * | 2000-10-20 | 2004-07-03 | 삼성전자주식회사 | 이동통신시스템에서 버스트 파일롯 송신장치 및 방법 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665103A (en) * | 1969-12-16 | 1972-05-23 | Ibm | Synchronous frequency shift data transmission system in which opposite binary characterizations are transmitted as half cycles of a first carrier signal and as full cycles of a second carrier signal |
-
1971
- 1971-02-10 DE DE2106172A patent/DE2106172C3/de not_active Expired
-
1972
- 1972-02-04 NL NL7201533A patent/NL7201533A/xx unknown
- 1972-02-07 GB GB556472A patent/GB1363981A/en not_active Expired
- 1972-02-08 SE SE7201447A patent/SE368130C/xx unknown
- 1972-02-08 US US00224499A patent/US3764913A/en not_active Expired - Lifetime
- 1972-02-08 AU AU38761/72A patent/AU458562B2/en not_active Expired
- 1972-02-08 BE BE779100A patent/BE779100A/xx not_active IP Right Cessation
- 1972-02-09 CA CA134,388A patent/CA979082A/en not_active Expired
- 1972-02-10 FR FR7204457A patent/FR2126834A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2126834A5 (xx) | 1972-10-06 |
| SE368130C (sv) | 1979-11-26 |
| DE2106172C3 (de) | 1979-03-15 |
| GB1363981A (en) | 1974-08-21 |
| US3764913A (en) | 1973-10-09 |
| AU458562B2 (en) | 1975-02-06 |
| SE368130B (xx) | 1974-06-17 |
| NL7201533A (xx) | 1972-08-14 |
| DE2106172B2 (de) | 1977-04-07 |
| DE2106172A1 (xx) | 1972-08-31 |
| AU3876172A (en) | 1973-08-09 |
| CA979082A (en) | 1975-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN Effective date: 19870228 |