FR2265105A1 - Microwave radar for vehicle or intruder alarm - uses semiconductor diode oscillator in transmitter - Google Patents
Microwave radar for vehicle or intruder alarm - uses semiconductor diode oscillator in transmitterInfo
- Publication number
- FR2265105A1 FR2265105A1 FR7409641A FR7409641A FR2265105A1 FR 2265105 A1 FR2265105 A1 FR 2265105A1 FR 7409641 A FR7409641 A FR 7409641A FR 7409641 A FR7409641 A FR 7409641A FR 2265105 A1 FR2265105 A1 FR 2265105A1
- Authority
- FR
- France
- Prior art keywords
- semiconductor diode
- transmitter
- vehicle
- diode oscillator
- microwave radar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title abstract 2
- 239000000523 sample Substances 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
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
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- 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
- G01S13/62—Sense-of-movement determination
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7409641A FR2265105A1 (en) | 1974-03-21 | 1974-03-21 | Microwave radar for vehicle or intruder alarm - uses semiconductor diode oscillator in transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7409641A FR2265105A1 (en) | 1974-03-21 | 1974-03-21 | Microwave radar for vehicle or intruder alarm - uses semiconductor diode oscillator in transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2265105A1 true FR2265105A1 (en) | 1975-10-17 |
| FR2265105B1 FR2265105B1 (enExample) | 1979-06-15 |
Family
ID=9136653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7409641A Granted FR2265105A1 (en) | 1974-03-21 | 1974-03-21 | Microwave radar for vehicle or intruder alarm - uses semiconductor diode oscillator in transmitter |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2265105A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2469718A1 (fr) * | 1979-11-08 | 1981-05-22 | Getronik Elektronische Gerate | Dispositif de detection d'un mouvement |
| EP0370965A3 (en) * | 1988-11-23 | 1990-08-22 | ELKRON S.p.A. | A device for detecting relative movement between vehicles, mainly for preventing collisions |
-
1974
- 1974-03-21 FR FR7409641A patent/FR2265105A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2469718A1 (fr) * | 1979-11-08 | 1981-05-22 | Getronik Elektronische Gerate | Dispositif de detection d'un mouvement |
| EP0370965A3 (en) * | 1988-11-23 | 1990-08-22 | ELKRON S.p.A. | A device for detecting relative movement between vehicles, mainly for preventing collisions |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2265105B1 (enExample) | 1979-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |