GB1325629A - Signal processor - Google Patents
Signal processorInfo
- Publication number
- GB1325629A GB1325629A GB2985571A GB2985571A GB1325629A GB 1325629 A GB1325629 A GB 1325629A GB 2985571 A GB2985571 A GB 2985571A GB 2985571 A GB2985571 A GB 2985571A GB 1325629 A GB1325629 A GB 1325629A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- doppler
- signals
- frequency
- filter
- 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.)
- 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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5184570A | 1970-07-02 | 1970-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1325629A true GB1325629A (en) | 1973-08-08 |
Family
ID=21973718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2985571A Expired GB1325629A (en) | 1970-07-02 | 1971-06-25 | Signal processor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3696417A (enExample) |
| JP (1) | JPS511560B1 (enExample) |
| CA (1) | CA925604A (enExample) |
| DE (1) | DE2133011C3 (enExample) |
| FR (1) | FR2097141B1 (enExample) |
| GB (1) | GB1325629A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2309348A (en) * | 1995-12-19 | 1997-07-23 | Heatvision Technics Corp | Remote guidance |
| GB2348004A (en) * | 1999-03-17 | 2000-09-20 | Valeo Services Limited | Ultrasonic intrusion detection |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878526A (en) * | 1973-06-29 | 1975-04-15 | Panametrics | Doppler signal processor using quadrature reference signals |
| US3942178A (en) * | 1974-03-27 | 1976-03-02 | Sontrix, Inc. | Intrusion detection system |
| USRE30288E (en) * | 1974-03-27 | 1980-05-27 | Pittway Corporation | Intrusion detection system |
| US4035798A (en) * | 1974-03-27 | 1977-07-12 | Pittway Corporation | Ultrasonic intrusion detection system |
| US4121212A (en) * | 1975-11-21 | 1978-10-17 | Westinghouse Electric Corp. | Double sideband pulse radar |
| US6492933B1 (en) | 1999-09-02 | 2002-12-10 | Mcewan Technologies, Llc | SSB pulse Doppler sensor and active reflector system |
| FR2807843B1 (fr) * | 2000-04-12 | 2002-10-18 | Valeo Electronique | Perfectionnements a la detection de la presence d'une personne ou d'un animal dans un coffre de vehicule automobile |
| US7295831B2 (en) * | 2003-08-12 | 2007-11-13 | 3E Technologies International, Inc. | Method and system for wireless intrusion detection prevention and security management |
| US8026840B2 (en) | 2005-10-28 | 2011-09-27 | Raytheon Company | Biometric radar system and method for identifying persons and positional states of persons |
| CA2658846C (en) * | 2007-01-24 | 2015-03-31 | Raytheon Company | Intelligent biometric radar system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL271633A (enExample) * | 1956-05-29 | |||
| GB958960A (en) * | 1957-06-07 | 1964-05-27 | Marconi Wireless Telegraph Co | Improvements in or relating to radar systems |
| US3157781A (en) * | 1960-10-27 | 1964-11-17 | Thompson Ramo Wooldridge Inc | Signal correlation system |
| FR1469474A (fr) * | 1965-07-05 | 1967-02-17 | Thomson Houston Comp Francaise | Perfectionnements aux radars doppler |
| FR1534748A (fr) * | 1967-05-03 | 1968-08-02 | Amélioration des procédés de détection des signaux électromagnétiques ou acoustiques en présence de bruits non stationnaires | |
| US3631490A (en) * | 1969-03-17 | 1971-12-28 | Sperry Rand Corp | Signal processor for reducing clutter and eliminating range ambiguities in target detection systems |
-
1970
- 1970-07-02 US US51845A patent/US3696417A/en not_active Expired - Lifetime
-
1971
- 1971-06-24 CA CA116509A patent/CA925604A/en not_active Expired
- 1971-06-25 GB GB2985571A patent/GB1325629A/en not_active Expired
- 1971-07-01 FR FR7124180A patent/FR2097141B1/fr not_active Expired
- 1971-07-02 DE DE2133011A patent/DE2133011C3/de not_active Expired
- 1971-07-02 JP JP46048199A patent/JPS511560B1/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2309348A (en) * | 1995-12-19 | 1997-07-23 | Heatvision Technics Corp | Remote guidance |
| GB2348004A (en) * | 1999-03-17 | 2000-09-20 | Valeo Services Limited | Ultrasonic intrusion detection |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2097141A1 (enExample) | 1972-03-03 |
| US3696417A (en) | 1972-10-03 |
| DE2133011A1 (de) | 1972-01-13 |
| FR2097141B1 (enExample) | 1974-05-31 |
| JPS511560B1 (enExample) | 1976-01-19 |
| CA925604A (en) | 1973-05-01 |
| DE2133011C3 (de) | 1974-02-28 |
| DE2133011B2 (de) | 1973-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |