BE643773A - - Google Patents
Info
- Publication number
- BE643773A BE643773A BE643773A BE643773A BE643773A BE 643773 A BE643773 A BE 643773A BE 643773 A BE643773 A BE 643773A BE 643773 A BE643773 A BE 643773A BE 643773 A BE643773 A BE 643773A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
-
- 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
-
- 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
- H03D3/26—Demodulation of angle-, frequency- or phase- modulated oscillations by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6155/63A GB1024840A (en) | 1963-02-15 | 1963-02-15 | Improvements in or relating to phase-sensitive detectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE643773A true BE643773A (OSRAM) | 1964-05-29 |
Family
ID=9809417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE643773A BE643773A (OSRAM) | 1963-02-15 | 1964-02-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3300727A (OSRAM) |
| BE (1) | BE643773A (OSRAM) |
| DE (1) | DE1448483A1 (OSRAM) |
| FR (1) | FR1383349A (OSRAM) |
| GB (1) | GB1024840A (OSRAM) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2988695A (en) * | 1956-11-30 | 1961-06-13 | William E Leavitt | Electrical measuring circuit |
| US2864954A (en) * | 1957-11-01 | 1958-12-16 | Edward L Byrne | Pulse regenerator circuit |
-
1963
- 1963-02-15 GB GB6155/63A patent/GB1024840A/en not_active Expired
-
1964
- 1964-02-05 US US344522A patent/US3300727A/en not_active Expired - Lifetime
- 1964-02-13 BE BE643773A patent/BE643773A/xx unknown
- 1964-02-13 DE DE19641448483 patent/DE1448483A1/de active Pending
- 1964-02-14 FR FR963913A patent/FR1383349A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1448483A1 (de) | 1969-04-24 |
| FR1383349A (fr) | 1964-12-24 |
| US3300727A (en) | 1967-01-24 |
| GB1024840A (en) | 1966-04-06 |