NL15110C - - Google Patents
Info
- Publication number
- NL15110C NL15110C NL15110DA NL15110C NL 15110 C NL15110 C NL 15110C NL 15110D A NL15110D A NL 15110DA NL 15110 C NL15110 C NL 15110C
- Authority
- NL
- Netherlands
Links
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)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or 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 (en) | 1920-12-07 | 1920-12-07 | System for the transmission of sound signals in any media (water, air) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL15110C true NL15110C (en) |
Family
ID=7490136
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL16965D NL16965C (en) | 1920-12-07 | ||
| NL15110D NL15110C (en) | 1920-12-07 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL16965D NL16965C (en) | 1920-12-07 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE387509C (en) |
| FR (2) | FR544869A (en) |
| GB (2) | GB172637A (en) |
| NL (2) | NL15110C (en) |
-
0
- NL NL16965D patent/NL16965C/xx active
- NL NL15110D patent/NL15110C/xx active
-
1920
- 1920-12-07 DE DES54944D patent/DE387509C/en not_active Expired
-
1921
- 1921-12-07 FR FR544869D patent/FR544869A/en not_active Expired
- 1921-12-07 GB GB32844/21A patent/GB172637A/en not_active Expired
-
1923
- 1923-01-15 FR FR27240D patent/FR27240E/en not_active Expired
- 1923-01-30 GB GB2759/23A patent/GB192696A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB172637A (en) | 1923-06-07 |
| FR544869A (en) | 1922-10-02 |
| FR27240E (en) | 1924-05-24 |
| NL16965C (en) | |
| GB192696A (en) | 1924-04-10 |
| DE387509C (en) | 1924-01-05 |