FR2069176A5 - - Google Patents
Info
- Publication number
- FR2069176A5 FR2069176A5 FR7040199A FR7040199A FR2069176A5 FR 2069176 A5 FR2069176 A5 FR 2069176A5 FR 7040199 A FR7040199 A FR 7040199A FR 7040199 A FR7040199 A FR 7040199A FR 2069176 A5 FR2069176 A5 FR 2069176A5
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/84—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves with indication presented on cathode-ray tubes
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/809—Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691957203 DE1957203B2 (de) | 1969-11-14 | 1969-11-14 | Vorrichtung zur anzeige von akustischen oder elektromagnetischesignalen |
US8969370A | 1970-11-16 | 1970-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2069176A5 true FR2069176A5 (fr) | 1971-09-03 |
Family
ID=25758120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7040199A Expired FR2069176A5 (fr) | 1969-11-14 | 1970-11-09 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3723959A (fr) |
DE (1) | DE1957203B2 (fr) |
FR (1) | FR2069176A5 (fr) |
GB (1) | GB1290935A (fr) |
NL (1) | NL157719B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3420545C2 (de) * | 1984-06-01 | 1993-11-11 | Atlas Elektronik Gmbh | Verfahren zum Peilen eines Zielverbandes und Vorrichtung zum Ausüben des Verfahrens |
DE3544890A1 (de) * | 1985-12-19 | 1987-07-02 | Krupp Gmbh | Eindimensionales rundumsichtbild |
CN106154214A (zh) * | 2015-03-09 | 2016-11-23 | 重庆邮电大学 | 一种汽车钥匙智能寻找系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3060427A (en) * | 1958-05-09 | 1962-10-23 | Polarad Electronics Corp | Electromagnetic radiation monitor with frequency and azimuth indicator |
US3462729A (en) * | 1964-04-13 | 1969-08-19 | Us Navy | Passive sonar bearing and frequency detecting and indicating system |
US3374670A (en) * | 1965-04-26 | 1968-03-26 | Maccleaster Schwarz | Navigation instrumentation |
US3484647A (en) * | 1968-01-26 | 1969-12-16 | Honeywell Inc | Display apparatus |
US3602877A (en) * | 1969-01-03 | 1971-08-31 | Honeywell Inc | Underwater position determining system |
-
1969
- 1969-11-14 DE DE19691957203 patent/DE1957203B2/de not_active Withdrawn
-
1970
- 1970-11-03 NL NL7016096.A patent/NL157719B/xx not_active IP Right Cessation
- 1970-11-09 FR FR7040199A patent/FR2069176A5/fr not_active Expired
- 1970-11-13 GB GB1290935D patent/GB1290935A/en not_active Expired
- 1970-11-16 US US00089693A patent/US3723959A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1290935A (fr) | 1972-09-27 |
US3723959A (en) | 1973-03-27 |
NL157719B (nl) | 1978-08-15 |
DE1957203B2 (de) | 1972-03-16 |
DE1957203A1 (de) | 1971-05-27 |
NL7016096A (fr) | 1971-05-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |