SE452832B - Mottagare for mottagning av med frekvensskift overforda hogfrekvenssignaler - Google Patents
Mottagare for mottagning av med frekvensskift overforda hogfrekvenssignalerInfo
- Publication number
- SE452832B SE452832B SE8104972A SE8104972A SE452832B SE 452832 B SE452832 B SE 452832B SE 8104972 A SE8104972 A SE 8104972A SE 8104972 A SE8104972 A SE 8104972A SE 452832 B SE452832 B SE 452832B
- Authority
- SE
- Sweden
- Prior art keywords
- frequency
- mixer
- signals
- transmitted
- frequencies
- Prior art date
Links
- 230000000052 comparative effect Effects 0.000 description 2
- FWLKKPKZQYVAFR-LVEZLNDCSA-N (e)-but-2-enedioic acid;1-(2-ethoxyethyl)-2-(4-methyl-1,4-diazepan-1-yl)benzimidazole Chemical compound OC(=O)\C=C\C(O)=O.OC(=O)\C=C\C(O)=O.N=1C2=CC=CC=C2N(CCOCC)C=1N1CCCN(C)CC1 FWLKKPKZQYVAFR-LVEZLNDCSA-N 0.000 description 1
- 241000272814 Anser sp. Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229960000325 emedastine Drugs 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 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
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Structure Of Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8027511A GB2086158B (en) | 1980-08-23 | 1980-08-23 | Radio receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8104972L SE8104972L (sv) | 1982-02-24 |
| SE452832B true SE452832B (sv) | 1987-12-14 |
Family
ID=10515636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8104972A SE452832B (sv) | 1980-08-23 | 1981-08-21 | Mottagare for mottagning av med frekvensskift overforda hogfrekvenssignaler |
Country Status (7)
| Country | Link |
|---|---|
| DE (1) | DE3132233A1 (enrdf_load_stackoverflow) |
| DK (1) | DK155066C (enrdf_load_stackoverflow) |
| FR (1) | FR2489059B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2086158B (enrdf_load_stackoverflow) |
| HK (1) | HK48485A (enrdf_load_stackoverflow) |
| NO (1) | NO152190C (enrdf_load_stackoverflow) |
| SE (1) | SE452832B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2137836B (en) * | 1983-04-06 | 1986-07-23 | Multitone Electronics Plc | Fm demodulators |
| US4580101A (en) * | 1983-04-06 | 1986-04-01 | Multitone Electronics Plc | FM demodulators with local oscillator frequency control circuits |
| GB2146876B (en) * | 1983-09-14 | 1987-03-04 | Plessey Co Plc | Fsk radio receiver |
| SE470077B (sv) * | 1992-03-30 | 1993-11-01 | Ericsson Ge Mobile Communicat | Metod och anordning för demodulering av en frekvensmodulerad signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1172977A (en) * | 1965-11-23 | 1969-12-03 | Plessey Co Ltd | Improvements in or relating to Demodulation Systems |
| US3414826A (en) * | 1967-04-03 | 1968-12-03 | Gen Electric | Voltage-controlled oscillator |
| JPS5831065B2 (ja) * | 1976-04-09 | 1983-07-04 | 日本電気株式会社 | Ｆｓｋ復調装置 |
| GB2076238B (en) * | 1980-05-16 | 1983-11-30 | Plessey Co Ltd | Radio receiver |
-
1980
- 1980-08-23 GB GB8027511A patent/GB2086158B/en not_active Expired
-
1981
- 1981-08-14 DE DE19813132233 patent/DE3132233A1/de active Granted
- 1981-08-17 NO NO812770A patent/NO152190C/no unknown
- 1981-08-17 DK DK365181A patent/DK155066C/da not_active IP Right Cessation
- 1981-08-21 SE SE8104972A patent/SE452832B/sv not_active IP Right Cessation
- 1981-08-21 FR FR8116108A patent/FR2489059B1/fr not_active Expired
-
1985
- 1985-06-20 HK HK484/85A patent/HK48485A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2086158A (en) | 1982-05-06 |
| GB2086158B (en) | 1984-05-02 |
| DE3132233A1 (de) | 1982-06-24 |
| NO812770L (no) | 1982-02-24 |
| NO152190B (no) | 1985-05-06 |
| HK48485A (en) | 1985-06-28 |
| NO152190C (no) | 1985-08-14 |
| DK155066C (da) | 1989-07-03 |
| FR2489059B1 (fr) | 1986-07-18 |
| DK365181A (da) | 1982-02-24 |
| DK155066B (da) | 1989-01-30 |
| FR2489059A1 (fr) | 1982-02-26 |
| DE3132233C2 (enrdf_load_stackoverflow) | 1991-10-02 |
| SE8104972L (sv) | 1982-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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