BE335046A - - Google Patents
Info
- Publication number
- BE335046A BE335046A BE335046DA BE335046A BE 335046 A BE335046 A BE 335046A BE 335046D A BE335046D A BE 335046DA BE 335046 A BE335046 A BE 335046A
- Authority
- BE
- Belgium
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
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66624A US1709571A (en) | 1925-11-03 | 1925-11-03 | Electromechanical translating device |
US111209A US1628666A (en) | 1926-05-24 | 1926-05-24 | Electromagnetic device |
Publications (1)
Publication Number | Publication Date |
---|---|
BE335046A true BE335046A (it) |
Family
ID=26746972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE335046D BE335046A (it) | 1925-11-03 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE335046A (it) |
FR (2) | FR620382A (it) |
GB (2) | GB260946A (it) |
NL (1) | NL22500C (it) |
-
0
- NL NL22500D patent/NL22500C/xx active
- BE BE335046D patent/BE335046A/xx unknown
-
1926
- 1926-07-02 FR FR620382D patent/FR620382A/fr not_active Expired
- 1926-07-10 GB GB1732526A patent/GB260946A/en not_active Expired
-
1927
- 1927-01-11 FR FR32964D patent/FR32964E/fr not_active Expired
- 1927-02-09 GB GB366227A patent/GB271409A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB271409A (en) | 1927-10-27 |
FR32964E (fr) | 1928-06-06 |
FR620382A (fr) | 1927-04-21 |
NL22500C (it) | |
GB260946A (en) | 1927-10-10 |