NL35617C - - Google Patents
Info
- Publication number
- NL35617C NL35617C NL35617DA NL35617C NL 35617 C NL35617 C NL 35617C NL 35617D A NL35617D A NL 35617DA NL 35617 C NL35617 C NL 35617C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G10K5/00—Whistles
-
- 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
- G01S1/72—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 ultrasonic, sonic or infrasonic waves
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- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/56—Display arrangements
- G01S7/58—Display arrangements for providing variable ranges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/133—Generating seismic energy using fluidic driving means, e.g. highly pressurised fluids; using implosion
- G01V1/137—Generating seismic energy using fluidic driving means, e.g. highly pressurised fluids; using implosion which fluid escapes from the generator in a pulsating manner, e.g. for generating bursts, airguns
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Multimedia (AREA)
- Geophysics (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Audible And Visible Signals (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Percussion Or Vibration Massage (AREA)
- Toys (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR389646X | 1931-03-02 | ||
FR4043873X | 1931-07-30 | ||
GB3446932A GB416310A (en) | 1932-12-05 | 1932-12-05 | Improvements in and relating to acoustic sounding apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
NL35617C true NL35617C (de) |
Family
ID=31950329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL35617D NL35617C (de) | 1931-03-02 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE385832A (de) |
GB (3) | GB389646A (de) |
NL (1) | NL35617C (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4632213A (en) * | 1983-02-28 | 1986-12-30 | Standard Oil Company (Indiana) | Seismic source system for use in water covered area |
GB2167557B (en) * | 1984-10-11 | 1988-07-20 | Fisco Electronics | Distance sensing |
-
0
- BE BE385832D patent/BE385832A/xx unknown
- NL NL35617D patent/NL35617C/xx active
-
1932
- 1932-03-02 GB GB6362/32A patent/GB389646A/en not_active Expired
- 1932-07-29 GB GB34880/33A patent/GB404594A/en not_active Expired
- 1932-07-29 GB GB21478/32A patent/GB404383A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE385832A (de) | |
GB404594A (en) | 1934-01-18 |
GB389646A (en) | 1933-03-23 |
GB404383A (en) | 1934-01-18 |