GB192696A - - Google Patents
Info
- Publication number
- GB192696A GB192696A GB2759/23A GB275923A GB192696A GB 192696 A GB192696 A GB 192696A GB 2759/23 A GB2759/23 A GB 2759/23A GB 275923 A GB275923 A GB 275923A GB 192696 A GB192696 A GB 192696A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- detector
- mass
- constructed
- piece
- 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
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000007689 inspection Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/26—Lead-in insulators; Lead-through insulators
- H01B17/28—Capacitor type
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/18—Rotary transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES54944D DE387509C (de) | 1920-12-07 | 1920-12-07 | Anlage zur Aussendung von Schallsignalen in beliebigen Medien (Wasser, Luft) |
Publications (1)
Publication Number | Publication Date |
---|---|
GB192696A true GB192696A (enrdf_load_stackoverflow) | 1924-04-10 |
Family
ID=7490136
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32844/21A Expired GB172637A (en) | 1920-12-07 | 1921-12-07 | Improvements in sound receivers, particularly for receiving sound waves in liquids |
GB2759/23A Expired GB192696A (enrdf_load_stackoverflow) | 1920-12-07 | 1923-01-30 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32844/21A Expired GB172637A (en) | 1920-12-07 | 1921-12-07 | Improvements in sound receivers, particularly for receiving sound waves in liquids |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE387509C (enrdf_load_stackoverflow) |
FR (2) | FR544869A (enrdf_load_stackoverflow) |
GB (2) | GB172637A (enrdf_load_stackoverflow) |
NL (2) | NL15110C (enrdf_load_stackoverflow) |
-
0
- NL NL16965D patent/NL16965C/xx active
- NL NL15110D patent/NL15110C/xx active
-
1920
- 1920-12-07 DE DES54944D patent/DE387509C/de not_active Expired
-
1921
- 1921-12-07 FR FR544869D patent/FR544869A/fr not_active Expired
- 1921-12-07 GB GB32844/21A patent/GB172637A/en not_active Expired
-
1923
- 1923-01-15 FR FR27240D patent/FR27240E/fr not_active Expired
- 1923-01-30 GB GB2759/23A patent/GB192696A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR544869A (fr) | 1922-10-02 |
DE387509C (de) | 1924-01-05 |
NL15110C (enrdf_load_stackoverflow) | |
GB172637A (en) | 1923-06-07 |
NL16965C (enrdf_load_stackoverflow) | |
FR27240E (fr) | 1924-05-24 |
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