FR941438A - Perfectionnements relatifs aux appareils de mesure des distances - Google Patents
Perfectionnements relatifs aux appareils de mesure des distancesInfo
- Publication number
- FR941438A FR941438A FR941438DA FR941438A FR 941438 A FR941438 A FR 941438A FR 941438D A FR941438D A FR 941438DA FR 941438 A FR941438 A FR 941438A
- Authority
- FR
- France
- Prior art keywords
- distance measuring
- measuring devices
- devices
- distance
- measuring
- 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
- 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
- G01S7/034—Duplexers
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/282—Transmitters
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/32—Shaping echo pulse signals; Deriving non-pulse signals from echo pulse signals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/12—Auxiliary devices for switching or interrupting by mechanical chopper
- H01P1/122—Waveguide switches
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US646098A US2597607A (en) | 1946-02-07 | 1946-02-07 | Apparatus for measuring distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR941438A true FR941438A (fr) | 1949-01-11 |
Family
ID=45351102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR941438D Expired FR941438A (fr) | 1946-02-07 | 1947-02-08 | Perfectionnements relatifs aux appareils de mesure des distances |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2597607A (fr) |
| FR (1) | FR941438A (fr) |
| GB (1) | GB636886A (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2729794A (en) * | 1950-10-20 | 1956-01-03 | Sperry Rand Corp | High frequency apparatus |
| US2921303A (en) * | 1952-02-14 | 1960-01-12 | Marconi Wireless Telegraph Co | Radio speed indicating installations for aircraft |
| US2803817A (en) * | 1952-08-18 | 1957-08-20 | Francis A Marasco | Radar antenna lobing power-divider |
| US2905908A (en) * | 1954-09-16 | 1959-09-22 | Collins Radio Co | Waveguide switch and electrical control means thereof |
| US2920288A (en) * | 1955-01-07 | 1960-01-05 | Itt | Pulse modulation systems |
| US2905910A (en) * | 1955-07-12 | 1959-09-22 | Bogart Mfg Corp | Waveguide switch |
| US3165712A (en) * | 1960-12-20 | 1965-01-12 | Thompson Ramo Wooldridge Inc | Rotary distributor having waveguide coupling across rotor-stator gap |
| US3697894A (en) * | 1971-01-29 | 1972-10-10 | Ray M Johnson | Waveguide power switch having alternately closed shorting plates |
| CN107634289A (zh) * | 2017-09-12 | 2018-01-26 | 中国电子科技集团公司第四十研究所 | 一种非旋转式机械波导开关 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2129712A (en) * | 1933-12-09 | 1938-09-13 | American Telephone & Telegraph | Transmission of energy effects by guided electric waves in a dielectric medium |
| US2407198A (en) * | 1938-03-19 | 1946-09-03 | Rca Corp | Distance and direction determination system |
| US2426501A (en) * | 1941-03-20 | 1947-08-26 | Submarine Signal Co | Method and apparatus for radio ranging |
| US2412159A (en) * | 1941-09-15 | 1946-12-03 | Gen Electric | Directional radio system |
| NL63520C (fr) * | 1941-12-10 | |||
| US2416895A (en) * | 1942-10-02 | 1947-03-04 | Gen Electric | Pulse signalling system |
| US2419205A (en) * | 1942-11-04 | 1947-04-22 | Bell Telephone Labor Inc | Directive antenna system |
| US2426989A (en) * | 1942-12-04 | 1947-09-09 | Standard Telephones Cables Ltd | Radio detection system |
| US2422204A (en) * | 1943-06-22 | 1947-06-17 | Bell Telephone Labor Inc | Range indicator |
| US2418143A (en) * | 1944-12-21 | 1947-04-01 | Edwin K Stodola | Signal comparison system |
-
1946
- 1946-02-07 US US646098A patent/US2597607A/en not_active Expired - Lifetime
-
1947
- 1947-01-27 GB GB2446/47A patent/GB636886A/en not_active Expired
- 1947-02-08 FR FR941438D patent/FR941438A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2597607A (en) | 1952-05-20 |
| GB636886A (en) | 1950-05-10 |
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