DE280451C - - Google Patents
Info
- Publication number
- DE280451C DE280451C DENDAT280451D DE280451DA DE280451C DE 280451 C DE280451 C DE 280451C DE NDAT280451 D DENDAT280451 D DE NDAT280451D DE 280451D A DE280451D A DE 280451DA DE 280451 C DE280451 C DE 280451C
- Authority
- DE
- Germany
- Prior art keywords
- tuning fork
- side wall
- coupling
- prong
- ship
- 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.)
- Active
Links
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000005236 sound signal Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 2
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Building Environments (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE191302185X | 1912-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE280451C true DE280451C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=32657973
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT280451D Active DE280451C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1912-12-18 | ||
| DENDAT280081D Active DE280081C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1912-12-18 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT280081D Active DE280081C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1912-12-18 |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070774A (en) * | 1952-03-26 | 1962-12-25 | Bernstein Bernard | Split ring electroacoustic transducer |
| EP0451161A1 (de) * | 1989-01-02 | 1991-10-16 | Ingo Ritsch | Brandgehemmte holzbalkendecke |
-
0
- DE DENDAT280451D patent/DE280451C/de active Active
- DE DENDAT280081D patent/DE280081C/de active Active
- FR FR18527A patent/FR18527E/fr not_active Expired
- NL NL9568D patent/NL9568C/xx active
-
1913
- 1913-01-27 GB GB191302185D patent/GB191302185A/en not_active Expired
- 1913-01-28 FR FR453711A patent/FR453711A/fr not_active Expired
- 1913-01-28 FR FR453710A patent/FR453710A/fr not_active Expired
- 1913-12-18 GB GB191329221D patent/GB191329221A/en not_active Expired
-
1920
- 1920-07-09 FR FR23488A patent/FR23488E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB191302185A (en) | 1913-03-06 |
| FR23488E (fr) | 1921-11-30 |
| GB191329221A (en) | 1914-05-14 |
| NL9568C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR453711A (fr) | 1913-06-14 |
| FR453710A (fr) | 1913-06-14 |
| FR18527E (fr) | 1914-05-13 |
| DE280081C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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