NL39329C - - Google Patents
Info
- Publication number
- NL39329C NL39329C NL65450A NL65450A NL39329C NL 39329 C NL39329 C NL 39329C NL 65450 A NL65450 A NL 65450A NL 65450 A NL65450 A NL 65450A NL 39329 C NL39329 C NL 39329C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Percussion Or Vibration Massage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US614674A US1940553A (en) | 1932-06-01 | 1932-06-01 | Hearing-aid device |
Publications (1)
Publication Number | Publication Date |
---|---|
NL39329C true NL39329C (US06265458-20010724-C00056.png) | 1936-11-16 |
Family
ID=24462267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL65450A NL39329C (US06265458-20010724-C00056.png) | 1932-06-01 | 1933-05-26 |
Country Status (4)
Country | Link |
---|---|
US (1) | US1940553A (US06265458-20010724-C00056.png) |
FR (1) | FR754838A (US06265458-20010724-C00056.png) |
GB (1) | GB405493A (US06265458-20010724-C00056.png) |
NL (1) | NL39329C (US06265458-20010724-C00056.png) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2979691A (en) * | 1943-03-25 | 1961-04-11 | Joseph F Keithley | Microphone for the measurement of transient pressures in a body of water |
US2459325A (en) * | 1944-10-27 | 1949-01-18 | Zenith Radio Corp | Bone conduction unit |
US2479308A (en) * | 1945-03-17 | 1949-08-16 | Armour Res Found | Magnetic recorder head |
DE1061371B (de) * | 1955-05-28 | 1959-07-16 | Wendton Werner Wendt K G | Schwerhoerigengeraet in Brillenform |
US2806246A (en) * | 1956-03-02 | 1957-09-17 | Reflectone Corp | Food tenderizer |
US9456282B2 (en) * | 2014-07-15 | 2016-09-27 | Larry Tang | Bone-conduction speaker |
US9924265B2 (en) * | 2015-09-15 | 2018-03-20 | Intel Corporation | System for voice capture via nasal vibration sensing |
US10324494B2 (en) | 2015-11-25 | 2019-06-18 | Intel Corporation | Apparatus for detecting electromagnetic field change in response to gesture |
US10104482B2 (en) * | 2016-05-27 | 2018-10-16 | Cochlear Limited | Magnet positioning in an external device |
US10298282B2 (en) | 2016-06-16 | 2019-05-21 | Intel Corporation | Multi-modal sensing wearable device for physiological context measurement |
US10241583B2 (en) | 2016-08-30 | 2019-03-26 | Intel Corporation | User command determination based on a vibration pattern |
-
1932
- 1932-06-01 US US614674A patent/US1940553A/en not_active Expired - Lifetime
-
1933
- 1933-04-27 FR FR754838D patent/FR754838A/fr not_active Expired
- 1933-04-28 GB GB12445/33A patent/GB405493A/en not_active Expired
- 1933-05-26 NL NL65450A patent/NL39329C/xx active
Also Published As
Publication number | Publication date |
---|---|
FR754838A (fr) | 1933-11-14 |
GB405493A (en) | 1934-02-08 |
US1940553A (en) | 1933-12-19 |