NL7313748A - - Google Patents
Info
- Publication number
- NL7313748A NL7313748A NL7313748A NL7313748A NL7313748A NL 7313748 A NL7313748 A NL 7313748A NL 7313748 A NL7313748 A NL 7313748A NL 7313748 A NL7313748 A NL 7313748A NL 7313748 A NL7313748 A NL 7313748A
- 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
- G01S13/52—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
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
- H01Q13/04—Biconical horns
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1516172A CH557544A (de) | 1972-10-17 | 1972-10-17 | Radareinrichtung zum feststellen einer bewegung eines objektes in einem zu ueberwachenden bereich. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7313748A true NL7313748A (de) | 1974-04-19 |
Family
ID=4406867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7313748A NL7313748A (de) | 1972-10-17 | 1973-10-05 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH557544A (de) |
| DE (1) | DE2348155A1 (de) |
| GB (1) | GB1450701A (de) |
| IT (1) | IT995824B (de) |
| NL (1) | NL7313748A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0030272A1 (de) * | 1979-11-19 | 1981-06-17 | Siemens-Albis Aktiengesellschaft | Cassegrain-Antenne |
| GB2155245B (en) * | 1984-02-29 | 1987-07-29 | Standard Telephones Cables Ltd | Antenna systems |
| DE4002058A1 (de) * | 1990-01-25 | 1991-08-01 | Telefunken Systemtechnik | Konusfoermige antenne fuer den mikrowellenbereich |
| FR2939567B1 (fr) * | 2008-12-10 | 2011-01-28 | Advanten | Antenne a monopole central |
| EP3561956B1 (de) * | 2018-04-27 | 2021-09-22 | Nokia Shanghai Bell Co., Ltd | Mehrbandiges hochfrequenzantennensystem |
| EP4231042A1 (de) * | 2022-02-22 | 2023-08-23 | Infineon Technologies AG | Radarsystem, vorrichtung mit einem radarsystem und verfahren zum betrieb eines radarsystems |
-
1972
- 1972-10-17 CH CH1516172A patent/CH557544A/de not_active IP Right Cessation
-
1973
- 1973-09-25 DE DE19732348155 patent/DE2348155A1/de active Pending
- 1973-10-05 NL NL7313748A patent/NL7313748A/xx unknown
- 1973-10-12 IT IT30062/73A patent/IT995824B/it active
- 1973-10-15 GB GB4850673A patent/GB1450701A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1450701A (en) | 1976-09-29 |
| IT995824B (it) | 1975-11-20 |
| CH557544A (de) | 1974-12-31 |
| DE2348155A1 (de) | 1974-05-02 |