FR2221743B1 - - Google Patents
Info
- Publication number
- FR2221743B1 FR2221743B1 FR7244358A FR7244358A FR2221743B1 FR 2221743 B1 FR2221743 B1 FR 2221743B1 FR 7244358 A FR7244358 A FR 7244358A FR 7244358 A FR7244358 A FR 7244358A FR 2221743 B1 FR2221743 B1 FR 2221743B1
- Authority
- FR
- France
- 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.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7244358A FR2221743A1 (en) | 1972-12-13 | 1972-12-13 | Intrusion radar ignores swinging targets - responds only to targets which approach steadily even if hesitant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7244358A FR2221743A1 (en) | 1972-12-13 | 1972-12-13 | Intrusion radar ignores swinging targets - responds only to targets which approach steadily even if hesitant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2221743A1 FR2221743A1 (en) | 1974-10-11 |
| FR2221743B1 true FR2221743B1 (US08087162-20120103-C00010.png) | 1977-04-01 |
Family
ID=9108627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7244358A Granted FR2221743A1 (en) | 1972-12-13 | 1972-12-13 | Intrusion radar ignores swinging targets - responds only to targets which approach steadily even if hesitant |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2221743A1 (US08087162-20120103-C00010.png) |
-
1972
- 1972-12-13 FR FR7244358A patent/FR2221743A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2221743A1 (en) | 1974-10-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |