FR2376555A1 - Oscillateur pour circuit d'arret de radar - Google Patents
Oscillateur pour circuit d'arret de radarInfo
- Publication number
- FR2376555A1 FR2376555A1 FR7800076A FR7800076A FR2376555A1 FR 2376555 A1 FR2376555 A1 FR 2376555A1 FR 7800076 A FR7800076 A FR 7800076A FR 7800076 A FR7800076 A FR 7800076A FR 2376555 A1 FR2376555 A1 FR 2376555A1
- Authority
- FR
- France
- Prior art keywords
- circuits
- stop circuit
- radar
- relates
- circuit oscillator
- 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/326—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator being an acoustic wave device, e.g. SAW or BAW device
-
- 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
- G01S7/38—Jamming means, e.g. producing false echoes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/41—Jamming having variable characteristics characterized by the control of the jamming activation or deactivation time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/46—Jamming having variable characteristics characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Amplifiers (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Noise Elimination (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8/77A GB1590674A (en) | 1977-01-04 | 1977-01-04 | Oscillators |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2376555A1 true FR2376555A1 (fr) | 1978-07-28 |
FR2376555B1 FR2376555B1 (US07534539-20090519-C00280.png) | 1982-07-23 |
Family
ID=9696701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7800076A Granted FR2376555A1 (fr) | 1977-01-04 | 1978-01-03 | Oscillateur pour circuit d'arret de radar |
Country Status (4)
Country | Link |
---|---|
US (1) | US4160957A (US07534539-20090519-C00280.png) |
DE (1) | DE2800327C2 (US07534539-20090519-C00280.png) |
FR (1) | FR2376555A1 (US07534539-20090519-C00280.png) |
GB (1) | GB1590674A (US07534539-20090519-C00280.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4484150A (en) * | 1980-06-27 | 1984-11-20 | Carver R W | High efficiency, light weight audio amplifier and power supply |
EP0468734A1 (en) * | 1990-07-24 | 1992-01-29 | Fujitsu Limited | Semi-conductor device having circuits on both sides of insulation layer and ultrasonic signal path between the circuits |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4816832A (en) * | 1986-02-19 | 1989-03-28 | R & D Associates | Continuous repeater target dental device |
US5588057A (en) * | 1993-05-04 | 1996-12-24 | Voodoo Scientific, Inc. | Apparatus for defeating radar speed detection signals |
EP1963883A2 (en) * | 2005-12-07 | 2008-09-03 | Sierra Nevada Corporation | Communications and data link jammer incorporating fiber-optic delay line technology |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE978041C (de) * | 1960-09-22 | 1976-10-21 | Siemens Ag | Verfahren zur Stoerung des Funkverkehrs unter Verwendung eines starken Stoersenders |
US3225300A (en) * | 1962-05-02 | 1965-12-21 | Sperry Rand Corp | Automatic noise jamming multicarrier f.m. system |
GB1451326A (en) * | 1973-02-16 | 1976-09-29 | Nat Res Dev | Acoustic wave devices |
GB1483735A (en) * | 1973-11-09 | 1977-08-24 | Secr Defence | Acoustic wave oscillator |
-
1977
- 1977-01-04 GB GB8/77A patent/GB1590674A/en not_active Expired
-
1978
- 1978-01-03 FR FR7800076A patent/FR2376555A1/fr active Granted
- 1978-01-03 US US05/866,712 patent/US4160957A/en not_active Expired - Lifetime
- 1978-01-04 DE DE2800327A patent/DE2800327C2/de not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4484150A (en) * | 1980-06-27 | 1984-11-20 | Carver R W | High efficiency, light weight audio amplifier and power supply |
EP0468734A1 (en) * | 1990-07-24 | 1992-01-29 | Fujitsu Limited | Semi-conductor device having circuits on both sides of insulation layer and ultrasonic signal path between the circuits |
US5241209A (en) * | 1990-07-24 | 1993-08-31 | Fujitsu Limited | Semi-conductor device having circuits on both sides of insulation layer and ultrasonic signal path between the circuits |
Also Published As
Publication number | Publication date |
---|---|
DE2800327C2 (de) | 1986-08-21 |
DE2800327A1 (de) | 1978-07-13 |
GB1590674A (en) | 1981-06-03 |
FR2376555B1 (US07534539-20090519-C00280.png) | 1982-07-23 |
US4160957A (en) | 1979-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |