FR1390365A - Ligne de propagation acoustique pour la compression de trains d'ondes électriques - Google Patents
Ligne de propagation acoustique pour la compression de trains d'ondes électriquesInfo
- Publication number
- FR1390365A FR1390365A FR960326A FR960326A FR1390365A FR 1390365 A FR1390365 A FR 1390365A FR 960326 A FR960326 A FR 960326A FR 960326 A FR960326 A FR 960326A FR 1390365 A FR1390365 A FR 1390365A
- Authority
- FR
- France
- Prior art keywords
- electric wave
- acoustic propagation
- wave trains
- propagation line
- compressing electric
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/04—Shaping pulses by increasing duration; by decreasing duration
- H03K5/06—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements
- H03K5/065—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements using dispersive delay lines
-
- 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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
- G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
- G01S13/282—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using a frequency modulated carrier wave
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/36—Devices for manipulating acoustic surface waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/40—Frequency dependent delay lines, e.g. dispersive delay lines
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Surgical Instruments (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR960326A FR1390365A (fr) | 1964-01-15 | 1964-01-15 | Ligne de propagation acoustique pour la compression de trains d'ondes électriques |
FR973515A FR1403040A (fr) | 1964-01-15 | 1964-05-06 | Dispositif acoustique pour la compression de trains d'ondes pulsés |
GB1427/65A GB1074361A (en) | 1964-01-15 | 1965-01-12 | Acoustic propagation line for compressing trains of electric waves |
DE1491314A DE1491314C3 (de) | 1964-01-15 | 1965-01-13 | Dispersive Schalleitung |
NL6500417A NL6500417A (fr) | 1964-01-15 | 1965-01-14 | |
US425428A US3353120A (en) | 1964-01-15 | 1965-01-14 | Acoustic propagation line for compressing trains of electric waves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR960326A FR1390365A (fr) | 1964-01-15 | 1964-01-15 | Ligne de propagation acoustique pour la compression de trains d'ondes électriques |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1390365A true FR1390365A (fr) | 1965-02-26 |
Family
ID=8820909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR960326A Expired FR1390365A (fr) | 1964-01-15 | 1964-01-15 | Ligne de propagation acoustique pour la compression de trains d'ondes électriques |
Country Status (5)
Country | Link |
---|---|
US (1) | US3353120A (fr) |
DE (1) | DE1491314C3 (fr) |
FR (1) | FR1390365A (fr) |
GB (1) | GB1074361A (fr) |
NL (1) | NL6500417A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1452050A (fr) * | 1965-05-03 | 1966-02-25 | Csf | Lignes acoustiques dispersives |
FR1447365A (fr) * | 1965-06-16 | 1966-07-29 | Csf | Dispositif d'excitation pour ondes de surface |
US3515911A (en) * | 1968-10-28 | 1970-06-02 | Us Navy | Surface wave transducer |
US3760204A (en) * | 1972-03-01 | 1973-09-18 | Motorola Inc | Acoustic surface wave resonator |
GB1438777A (en) * | 1973-09-04 | 1976-06-09 | Mullard Ltd | Electromechanical propagation devices and the manufacture thereof |
JPS5426349B2 (fr) * | 1973-10-26 | 1979-09-03 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439131A (en) * | 1943-11-20 | 1948-04-06 | United Aircraft Corp | Resonance inspection method |
US2439130A (en) * | 1943-11-20 | 1948-04-06 | United Aircraft Corp | Surface and shear wave method and apparatus |
US2707755A (en) * | 1950-07-20 | 1955-05-03 | Sperry Prod Inc | High absorption backings for ultrasonic crystals |
US3070761A (en) * | 1953-05-07 | 1962-12-25 | Smith & Sons Ltd S | Ultrasonic delay lines |
US3057189A (en) * | 1957-08-14 | 1962-10-09 | Ivan L Joy | Ultrasonic inspection system |
US3212072A (en) * | 1961-10-17 | 1965-10-12 | Lab For Electronics Inc | Digital delay line |
-
1964
- 1964-01-15 FR FR960326A patent/FR1390365A/fr not_active Expired
-
1965
- 1965-01-12 GB GB1427/65A patent/GB1074361A/en not_active Expired
- 1965-01-13 DE DE1491314A patent/DE1491314C3/de not_active Expired
- 1965-01-14 NL NL6500417A patent/NL6500417A/xx unknown
- 1965-01-14 US US425428A patent/US3353120A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3353120A (en) | 1967-11-14 |
DE1491314A1 (de) | 1969-06-04 |
NL6500417A (fr) | 1965-07-16 |
GB1074361A (en) | 1967-07-05 |
DE1491314B2 (de) | 1973-04-05 |
DE1491314C3 (de) | 1973-10-25 |
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