BE702227A - - Google Patents
Info
- Publication number
- BE702227A BE702227A BE702227DA BE702227A BE 702227 A BE702227 A BE 702227A BE 702227D A BE702227D A BE 702227DA BE 702227 A BE702227 A BE 702227A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/2043—Mixed mode, TDM and FDM systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
- H03D3/242—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for controlling the frequency of a further oscillator, e.g. for negative frequency feedback or AFC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/20—Frequency-division multiplex systems in which at least one carrier is angle-modulated
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radio Relay Systems (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR72249 | 1966-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE702227A true BE702227A (nl) | 1968-02-05 |
Family
ID=8614957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE702227D BE702227A (nl) | 1966-08-05 | 1967-08-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3470477A (nl) |
| BE (1) | BE702227A (nl) |
| DE (1) | DE1591054B2 (nl) |
| GB (1) | GB1166165A (nl) |
| NL (1) | NL165624C (nl) |
| SE (1) | SE343182B (nl) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH499931A (de) * | 1968-02-12 | 1970-11-30 | Patelhold Patentverwertung | Synchronisierverfahren für programmgesteuerte Trägerumtastung |
| US4051438A (en) * | 1975-09-11 | 1977-09-27 | International Telephone And Telegraph Corporation | Co-channel multiple signal broadcasting system |
| US4209750A (en) * | 1978-06-19 | 1980-06-24 | The Foxboro Company | Swept-carrier transmission system adapted for use in process control systems |
| FR2544571B1 (fr) * | 1983-04-12 | 1985-06-14 | Prigent Jean Pierre | Recuperation des frequences de porteuse et de rythme pour les systemes de transmission numerique a modulation a etats de phase ou d'amplitude et a demodulation coherente |
| US4680778A (en) * | 1985-10-02 | 1987-07-14 | Motorola, Inc. | Fast acquisition circuit for synchronous digital receiver operating in wideband noise |
| US6569494B1 (en) * | 2000-05-09 | 2003-05-27 | 3M Innovative Properties Company | Method and apparatus for making particle-embedded webs |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA526591A (en) * | 1956-06-19 | P. Boothroyd Wilson | Communicating system | |
| US3231822A (en) * | 1961-12-22 | 1966-01-25 | Bell Telephone Labor Inc | Frequency modulation feedback receiver |
| US3204240A (en) * | 1962-08-13 | 1965-08-31 | Gen Precision Inc | Passive communication system |
| FR1438315A (fr) * | 1965-02-27 | 1966-05-13 | Système de communication par satellite artificiel à accès multiples |
-
1967
- 1967-08-02 DE DE1967C0043022 patent/DE1591054B2/de active Granted
- 1967-08-02 NL NL6710680.A patent/NL165624C/nl not_active IP Right Cessation
- 1967-08-03 BE BE702227D patent/BE702227A/xx unknown
- 1967-08-04 SE SE11180/67A patent/SE343182B/xx unknown
- 1967-08-04 GB GB35841/67A patent/GB1166165A/en not_active Expired
- 1967-08-04 US US658565A patent/US3470477A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1591054B2 (de) | 1976-12-16 |
| SE343182B (nl) | 1972-02-28 |
| NL6710680A (nl) | 1968-02-06 |
| NL165624C (nl) | 1981-04-15 |
| GB1166165A (en) | 1969-10-08 |
| US3470477A (en) | 1969-09-30 |
| DE1591054A1 (de) | 1970-08-20 |
| NL165624B (nl) | 1980-11-17 |