GB1281057A - A method of and an apparatus for eliminating misleading doppler signals - Google Patents
A method of and an apparatus for eliminating misleading doppler signalsInfo
- Publication number
- GB1281057A GB1281057A GB52127/69A GB5212769A GB1281057A GB 1281057 A GB1281057 A GB 1281057A GB 52127/69 A GB52127/69 A GB 52127/69A GB 5212769 A GB5212769 A GB 5212769A GB 1281057 A GB1281057 A GB 1281057A
- Authority
- GB
- United Kingdom
- Prior art keywords
- voltage
- transistor
- capacitor
- point
- stage
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
- G01S13/92—Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1750468A CH484436A (de) | 1968-11-25 | 1968-11-25 | Verfahren und Vorrichtung zum Ausscheiden von irreführenden Doppler-Signalen bei einer Doppler-Radar-Geschwindigkeitsmesseinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1281057A true GB1281057A (en) | 1972-07-12 |
Family
ID=4425934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB52127/69A Expired GB1281057A (en) | 1968-11-25 | 1969-10-24 | A method of and an apparatus for eliminating misleading doppler signals |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3618084A (https=) |
| CA (1) | CA927960A (https=) |
| CH (1) | CH484436A (https=) |
| DE (1) | DE1939061B2 (https=) |
| FR (1) | FR2027547A1 (https=) |
| GB (1) | GB1281057A (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1279029A (en) * | 1969-10-09 | 1972-06-21 | Pye Ltd | Radar apparatus |
| US3859660A (en) * | 1972-02-14 | 1975-01-07 | Midwest Microwave Inc | Doppler radar for land vehicles |
| US3833906A (en) * | 1972-02-14 | 1974-09-03 | Midwest Microwave Inc | Doppler radar for land vehicles |
| US4091385A (en) * | 1976-11-24 | 1978-05-23 | The United States Of America As Represented By The United States Department Of Energy | Doppler radar flowmeter |
| US4320398A (en) * | 1980-06-13 | 1982-03-16 | Fritzlen Jack D | Minimizing harmonic distortion apparatus |
| NL8102059A (nl) * | 1981-04-27 | 1982-11-16 | Univ Leiden | Inrichting en werkwijze voor het kwantitatief beoordelen van onwillekeurige lichaamsbewegingen. |
| US4728954A (en) * | 1984-12-20 | 1988-03-01 | Deere & Company | Ground velocity sensor with drop-out detection |
| GB8918306D0 (en) * | 1989-08-10 | 1989-09-20 | Lucas Ind Plc | Road surface sensing system for a vehicle |
| KR960001777A (ko) * | 1994-06-01 | 1996-01-25 | 제임스 디. 튜턴 | 차량 감시 시스템 도플러 신호의 주파수 영역처리방법 |
| KR960003444A (ko) * | 1994-06-01 | 1996-01-26 | 제임스 디. 튜턴 | 차량 감시 시스템 |
| US6111523A (en) * | 1995-11-20 | 2000-08-29 | American Traffic Systems, Inc. | Method and apparatus for photographing traffic in an intersection |
| US5948038A (en) * | 1996-07-31 | 1999-09-07 | American Traffic Systems, Inc. | Traffic violation processing system |
| DE10221839B4 (de) * | 2002-05-16 | 2014-03-27 | Universitätsklinikum Charité, Medizinische Fakultät der Humboldt-Universität zu Berlin | Verfahren und Vorrichtung zum automatischen Erfassen motorischer Unruhe einer Versuchsperson |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3506809A (en) * | 1967-02-21 | 1970-04-14 | Lfe Corp | Speed averaging circuit |
-
1968
- 1968-11-25 CH CH1750468A patent/CH484436A/de not_active IP Right Cessation
-
1969
- 1969-07-31 DE DE19691939061 patent/DE1939061B2/de active Pending
- 1969-10-24 GB GB52127/69A patent/GB1281057A/en not_active Expired
- 1969-10-27 FR FR6936742A patent/FR2027547A1/fr active Pending
- 1969-11-24 CA CA068198A patent/CA927960A/en not_active Expired
- 1969-11-25 US US879799A patent/US3618084A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3618084A (en) | 1971-11-02 |
| DE1939061A1 (de) | 1970-05-27 |
| DE1939061B2 (de) | 1971-06-03 |
| FR2027547A1 (https=) | 1970-10-02 |
| CH484436A (de) | 1970-01-15 |
| CA927960A (en) | 1973-06-05 |
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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 |