NL6715957A - - Google Patents
Info
- Publication number
- NL6715957A NL6715957A NL6715957A NL6715957A NL6715957A NL 6715957 A NL6715957 A NL 6715957A NL 6715957 A NL6715957 A NL 6715957A NL 6715957 A NL6715957 A NL 6715957A NL 6715957 A NL6715957 A NL 6715957A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
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- 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
- H03D3/08—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 diodes, e.g. Foster-Seeley discriminator
-
- 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
- H03D3/08—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 diodes, e.g. Foster-Seeley discriminator
- H03D3/10—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 diodes, e.g. Foster-Seeley discriminator in which the diodes are simultaneously conducting during the same half period of the signal, e.g. radio detector
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4681367A GB1142777A (en) | 1967-11-23 | 1967-10-13 | Doppler-frequency discriminator circuit |
| FR125477A FR1541590A (fr) | 1967-10-23 | 1967-10-23 | Dispositif discriminateur de fréquence de doppler |
| CH1620367A CH460878A (de) | 1967-11-23 | 1967-11-20 | Dopplerfrequenz-Diskriminatorschaltung |
| NL6715957A NL6715957A (nl) | 1967-11-23 | 1967-11-23 | |
| DE19671591296 DE1591296B1 (de) | 1967-11-23 | 1967-11-24 | Dopplerfrequenz diskriminatorschaltung zur gewinnung eines dem betrag und der richtung der relativgeschwindigkeit eines reflektierenden objekts entsprechenden gleichspannungssignals |
| BE707090D BE707090A (nl) | 1967-11-23 | 1967-11-27 | |
| AU37450/68A AU3745068A (en) | 1967-11-23 | 1968-05-08 | Improvements in or relating to doppler-frequency discriminator circuit |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6715957A NL6715957A (nl) | 1967-11-23 | 1967-11-23 | |
| DEM0076346 | 1967-11-24 | ||
| BE707090 | 1967-11-27 | ||
| AU37450/68A AU3745068A (en) | 1967-11-23 | 1968-05-08 | Improvements in or relating to doppler-frequency discriminator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6715957A true NL6715957A (nl) | 1969-05-28 |
Family
ID=27423084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6715957A NL6715957A (nl) | 1967-10-23 | 1967-11-23 |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU3745068A (nl) |
| BE (1) | BE707090A (nl) |
| CH (1) | CH460878A (nl) |
| DE (1) | DE1591296B1 (nl) |
| GB (1) | GB1142777A (nl) |
| NL (1) | NL6715957A (nl) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2695404A (en) * | 1950-02-28 | 1954-11-23 | Eastern Ind Inc | Speed detector |
| FR1171146A (fr) * | 1956-04-13 | 1959-01-22 | Apparecchiature Radioelettrich | Dispositif accessoire pour détecteur d'obstacle permettant de déterminer la vitesse relative d'un véhicule |
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1967
- 1967-10-13 GB GB4681367A patent/GB1142777A/en not_active Expired
- 1967-11-20 CH CH1620367A patent/CH460878A/de unknown
- 1967-11-23 NL NL6715957A patent/NL6715957A/xx unknown
- 1967-11-24 DE DE19671591296 patent/DE1591296B1/de not_active Withdrawn
- 1967-11-27 BE BE707090D patent/BE707090A/xx unknown
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1968
- 1968-05-08 AU AU37450/68A patent/AU3745068A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1142777A (en) | 1969-02-12 |
| BE707090A (nl) | 1968-04-01 |
| DE1591296B1 (de) | 1971-12-02 |
| AU3745068A (en) | 1969-11-13 |
| CH460878A (de) | 1968-08-15 |