SE349909B - - Google Patents
Info
- Publication number
- SE349909B SE349909B SE03753/68A SE375368A SE349909B SE 349909 B SE349909 B SE 349909B SE 03753/68 A SE03753/68 A SE 03753/68A SE 375368 A SE375368 A SE 375368A SE 349909 B SE349909 B SE 349909B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1427067 | 1967-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE349909B true SE349909B (xx) | 1972-10-09 |
Family
ID=11144944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE03753/68A SE349909B (xx) | 1967-03-29 | 1968-03-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3502995A (xx) |
| FR (1) | FR1554371A (xx) |
| GB (1) | GB1218652A (xx) |
| NL (1) | NL6804055A (xx) |
| SE (1) | SE349909B (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2058678A5 (fr) * | 1969-09-22 | 1971-05-28 | Commissariat Energie Atomique | Procede de mesure de la difference de deux frequences voisines et frequencemetre differentiel comportant application dudit procede |
| DE1950684C3 (de) * | 1969-10-08 | 1975-04-30 | Wandel U. Goltermann, 7410 Reutlingen | Schaltungsanordnung für den Vergleich zweier Frequenzen |
| BE759822A (fr) * | 1969-12-03 | 1971-05-17 | Sits Soc It Telecom Siemens | Demodulateur d'ondes modulees en frequence pour des systemes detransmission d'informations binaires |
| GB1437325A (en) * | 1972-08-18 | 1976-05-26 | Rca Corp | Fm demodulator |
| US4091330A (en) * | 1977-09-15 | 1978-05-23 | Ampex Corporation | Circuit and method for demodulating a frequency modulated signal |
| CA1188735A (en) * | 1982-01-18 | 1985-06-11 | Andrzej Barszczewski | Fast frequency measuring system |
| JPS639211A (ja) * | 1986-06-28 | 1988-01-14 | Nec Corp | Ｆｍ復調回路 |
| IL89259A0 (en) * | 1989-02-10 | 1989-09-10 | Avr Communications Ltd | Audio apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL129839C (xx) * | 1962-08-02 | |||
| US3271689A (en) * | 1964-01-06 | 1966-09-06 | Bell & Howell Co | Demodulator for time modulated signals |
-
1968
- 1968-02-14 FR FR1554371D patent/FR1554371A/fr not_active Expired
- 1968-03-13 US US714400A patent/US3502995A/en not_active Expired - Lifetime
- 1968-03-20 GB GB03446/68A patent/GB1218652A/en not_active Expired
- 1968-03-21 NL NL6804055A patent/NL6804055A/xx unknown
- 1968-03-21 SE SE03753/68A patent/SE349909B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1554371A (xx) | 1969-01-17 |
| NL6804055A (xx) | 1968-09-30 |
| US3502995A (en) | 1970-03-24 |
| GB1218652A (en) | 1971-01-06 |