DK124228B - Kobling til niveauovervågning i transmissionsanlæg med frekvens- eller fasemodulation. - Google Patents
Kobling til niveauovervågning i transmissionsanlæg med frekvens- eller fasemodulation.Info
- Publication number
- DK124228B DK124228B DK392270AA DK392270A DK124228B DK 124228 B DK124228 B DK 124228B DK 392270A A DK392270A A DK 392270AA DK 392270 A DK392270 A DK 392270A DK 124228 B DK124228 B DK 124228B
- Authority
- DK
- Denmark
- Prior art keywords
- coupling
- frequency
- phase modulation
- transmission systems
- level monitoring
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 230000008878 coupling Effects 0.000 title 1
- 238000010168 coupling process Methods 0.000 title 1
- 238000005859 coupling reaction Methods 0.000 title 1
- 238000012544 monitoring process Methods 0.000 title 1
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
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
-
- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
-
- 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
- H04L27/14—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2334—Demodulator circuits; Receiver circuits using non-coherent demodulation using filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Dc Digital Transmission (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691938510 DE1938510C (de) | 1969-07-29 | Schaltungsanordnung zur Pegeluberwa chung in Ubertragungssystemen mit Frequenz oder Phasenmodulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK124228B true DK124228B (da) | 1972-09-25 |
Family
ID=5741250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK392270AA DK124228B (da) | 1969-07-29 | 1970-07-28 | Kobling til niveauovervågning i transmissionsanlæg med frekvens- eller fasemodulation. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3663834A (da) |
| AT (1) | AT304639B (da) |
| BE (1) | BE754113A (da) |
| CH (1) | CH509711A (da) |
| DK (1) | DK124228B (da) |
| FR (1) | FR2055711A5 (da) |
| GB (1) | GB1305789A (da) |
| LU (1) | LU61423A1 (da) |
| NL (1) | NL7010726A (da) |
| SE (1) | SE353427B (da) |
| ZA (1) | ZA705194B (da) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3011128A (en) * | 1958-05-29 | 1961-11-28 | Westinghouse Electric Corp | Triple coincidence detector |
| US3119983A (en) * | 1959-05-29 | 1964-01-28 | Ibm | Time pulse distributor |
| US3327230A (en) * | 1963-12-30 | 1967-06-20 | Rca Corp | Regenerator |
| US3341816A (en) * | 1964-03-20 | 1967-09-12 | Hughes Aircraft Co | Amplitude range signal monitoring device |
| US3456201A (en) * | 1965-12-03 | 1969-07-15 | Nasa | System for monitoring signal amplitude ranges |
-
0
- BE BE754113D patent/BE754113A/xx unknown
-
1970
- 1970-07-20 NL NL7010726A patent/NL7010726A/xx unknown
- 1970-07-27 LU LU61423D patent/LU61423A1/xx unknown
- 1970-07-27 AT AT683670A patent/AT304639B/de not_active IP Right Cessation
- 1970-07-28 GB GB3645670A patent/GB1305789A/en not_active Expired
- 1970-07-28 ZA ZA705194*A patent/ZA705194B/xx unknown
- 1970-07-28 FR FR7027813A patent/FR2055711A5/fr not_active Expired
- 1970-07-28 CH CH1141270A patent/CH509711A/de not_active IP Right Cessation
- 1970-07-28 DK DK392270AA patent/DK124228B/da unknown
- 1970-07-28 US US58870A patent/US3663834A/en not_active Expired - Lifetime
- 1970-07-28 SE SE10353/70A patent/SE353427B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1938510A1 (da) | 1970-10-29 |
| FR2055711A5 (da) | 1971-05-07 |
| LU61423A1 (da) | 1971-07-07 |
| SE353427B (da) | 1973-01-29 |
| DE1938510B2 (de) | 1970-10-29 |
| GB1305789A (da) | 1973-02-07 |
| CH509711A (de) | 1971-06-30 |
| ZA705194B (en) | 1971-04-28 |
| US3663834A (en) | 1972-05-16 |
| NL7010726A (da) | 1971-02-02 |
| BE754113A (fr) | 1971-01-29 |
| AT304639B (de) | 1973-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL169251C (nl) | Coplanaire microgolf-transmissielijn. | |
| CH557069A (de) | Ueberwachungsanlage. | |
| BE768261A (fr) | Systeme de demodulation de modulation de frequence | |
| NL154897B (nl) | Ontvanger met n-waardige fasedemodulator. | |
| AT310250B (de) | Übertragungssystem mit Deltamodulation | |
| FR96107E (fr) | Dispositif modulateur de fréquence. | |
| NL165350C (nl) | Numerieke frequentiemodulator. | |
| CH522384A (de) | Dampfdruckkochgerät mit Verriegelungsvorrichtung | |
| NL141735B (nl) | Verbindingsstelsel met deltamodulatie. | |
| NL164673C (nl) | Differentiaal-frequentiemeter. | |
| NO139937C (no) | System til hyperbolsk radiolokalisering med fasemaaling, samt sendeanleggskjede og mottager til bruk i systemet | |
| DK124228B (da) | Kobling til niveauovervågning i transmissionsanlæg med frekvens- eller fasemodulation. | |
| DK132195B (da) | Køleanlæg. | |
| NL171314C (nl) | Frequentiemultiplex-transmissiestelsel. | |
| NL151189B (nl) | Automatisch vloeistofscintillatiestelsel. | |
| NL162531B (nl) | Eenzijband-draaggolfstelsel. | |
| FI49231C (fi) | Merkin moduloinnin ilmaisinpiiri. | |
| BE758588A (nl) | Bouwplaatkoppeling. ( | |
| DK114914B (da) | Kobling for frekvensmodulerede signaler. | |
| DK127610B (da) | Hydrodynamisk kobling. | |
| FI45796C (fi) | Nestemittari. | |
| IL34439A (en) | Frequency modulation discriminator with temperature compensation | |
| NL163087C (nl) | Telegrafisch transmissiestelsel. | |
| DK111573B (da) | Frekvensmodulationskobling. | |
| DK125670B (da) | Anlæg til transmission af analogsignaler ve impulskodemodulation. |