BE542699A - - Google Patents
Info
- Publication number
- BE542699A BE542699A BE542699DA BE542699A BE 542699 A BE542699 A BE 542699A BE 542699D A BE542699D A BE 542699DA BE 542699 A BE542699 A BE 542699A
- Authority
- BE
- Belgium
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
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/16—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of electromechanical resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US468194A US2889458A (en) | 1954-11-12 | 1954-11-12 | Narrow band discriminator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE542699A true BE542699A (de) |
Family
ID=23858796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE542699D BE542699A (de) | 1954-11-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2889458A (de) |
| BE (1) | BE542699A (de) |
| CH (1) | CH345033A (de) |
| GB (1) | GB787605A (de) |
| NL (2) | NL201991A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160822A (en) * | 1960-10-31 | 1964-12-08 | Edgar L Dix | Quartz crystal discriminating circuit |
| US3475690A (en) * | 1967-06-02 | 1969-10-28 | Damon Eng Inc | Linear crystal discriminator circuit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2045991A (en) * | 1931-09-19 | 1936-06-30 | Bell Telephone Labor Inc | Wave filter |
| US2204702A (en) * | 1936-04-29 | 1940-06-18 | Rca Corp | Piezoelectric crystal filter with inductive shunt |
| US2204574A (en) * | 1938-01-22 | 1940-06-18 | Rca Corp | Three electrode crystal phase modulation receiver |
| US2425922A (en) * | 1943-04-03 | 1947-08-19 | Rca Corp | Frequency discriminator circuit |
| US2771552A (en) * | 1951-05-09 | 1956-11-20 | Donald W Lynch | Discriminating detector |
-
0
- NL NL102646D patent/NL102646C/xx active
- NL NL201991D patent/NL201991A/xx unknown
- BE BE542699D patent/BE542699A/xx unknown
-
1954
- 1954-11-12 US US468194A patent/US2889458A/en not_active Expired - Lifetime
-
1955
- 1955-11-03 CH CH345033D patent/CH345033A/de unknown
- 1955-11-11 GB GB32284/55A patent/GB787605A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2889458A (en) | 1959-06-02 |
| GB787605A (en) | 1957-12-11 |
| NL102646C (de) | |
| CH345033A (de) | 1960-03-15 |
| NL201991A (de) |