FR2274933B1 - - Google Patents
Info
- Publication number
- FR2274933B1 FR2274933B1 FR7508852A FR7508852A FR2274933B1 FR 2274933 B1 FR2274933 B1 FR 2274933B1 FR 7508852 A FR7508852 A FR 7508852A FR 7508852 A FR7508852 A FR 7508852A FR 2274933 B1 FR2274933 B1 FR 2274933B1
- 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
- G01S13/66—Radar-tracking systems; Analogous systems
- G01S13/70—Radar-tracking systems; Analogous systems for range tracking only
-
- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
- G01S13/785—Distance Measuring Equipment [DME] systems
- G01S13/787—Distance Measuring Equipment [DME] systems co-operating with direction defining beacons
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US453613A US3900868A (en) | 1974-03-22 | 1974-03-22 | Apparatus and method for pulse tracker ranging equipment with increased resolution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2274933A1 FR2274933A1 (fr) | 1976-01-09 |
| FR2274933B1 true FR2274933B1 (US06653308-20031125-C00197.png) | 1979-03-09 |
Family
ID=23801291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7508852A Granted FR2274933A1 (fr) | 1974-03-22 | 1975-03-21 | Systeme de mesure des distances a dispositif de poursuite et a impulsions numeriques et son procede d'utilisation |
Country Status (6)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4353067A (en) * | 1980-08-29 | 1982-10-05 | Westinghouse Electric Corp. | Method of reducing side lobes of complementary coded pulses in a coherent pulse compression doppler radar receiving system |
| US4680587A (en) * | 1985-08-14 | 1987-07-14 | Sundstrand Data Control, Inc. | Instrument landing system |
| US20060162768A1 (en) | 2002-05-21 | 2006-07-27 | Wanlass Mark W | Low bandgap, monolithic, multi-bandgap, optoelectronic devices |
| US8067687B2 (en) | 2002-05-21 | 2011-11-29 | Alliance For Sustainable Energy, Llc | High-efficiency, monolithic, multi-bandgap, tandem photovoltaic energy converters |
| US6812884B2 (en) * | 2003-03-12 | 2004-11-02 | Multispectral Solutions, Inc. | Transceiver system and method utilizing nanosecond pulses |
| US8772628B2 (en) * | 2004-12-30 | 2014-07-08 | Alliance For Sustainable Energy, Llc | High performance, high bandgap, lattice-mismatched, GaInP solar cells |
| US20110073887A1 (en) * | 2009-09-25 | 2011-03-31 | Alliance For Sustainable Energy, Llc | Optoelectronic devices having a direct-band-gap base and an indirect-band-gap emitter |
| JP5852660B2 (ja) | 2010-10-12 | 2016-02-03 | アライアンス フォー サステイナブル エナジー リミテッド ライアビリティ カンパニー | 高効率なオプトエレクトロニクスのための大きなバンドギャップをもつｉｉｉ−ｖ族化合物 |
| US9590131B2 (en) | 2013-03-27 | 2017-03-07 | Alliance For Sustainable Energy, Llc | Systems and methods for advanced ultra-high-performance InP solar cells |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3405260A (en) * | 1955-07-08 | 1968-10-08 | Army Usa | Radar signal strength and error multiplier circuit |
| US3794994A (en) * | 1972-06-29 | 1974-02-26 | Us Navy | Feedback integrator with pedestal elimination |
-
1974
- 1974-03-22 US US453613A patent/US3900868A/en not_active Expired - Lifetime
-
1975
- 1975-03-03 GB GB870975A patent/GB1455539A/en not_active Expired
- 1975-03-04 JP JP50026456A patent/JPS50130387A/ja active Pending
- 1975-03-18 IT IT7548674A patent/IT1032360B/it active
- 1975-03-21 FR FR7508852A patent/FR2274933A1/fr active Granted
- 1975-03-21 SE SE7503263A patent/SE7503263L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50130387A (US06653308-20031125-C00197.png) | 1975-10-15 |
| SE7503263L (US06653308-20031125-C00197.png) | 1975-09-23 |
| US3900868A (en) | 1975-08-19 |
| IT1032360B (it) | 1979-05-30 |
| GB1455539A (en) | 1976-11-10 |
| FR2274933A1 (fr) | 1976-01-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |