FR693435A - Electromagnetic vibrating device intended in particular for acoustic recording and reproduction - Google Patents
Electromagnetic vibrating device intended in particular for acoustic recording and reproductionInfo
- Publication number
- FR693435A FR693435A FR693435DA FR693435A FR 693435 A FR693435 A FR 693435A FR 693435D A FR693435D A FR 693435DA FR 693435 A FR693435 A FR 693435A
- Authority
- FR
- France
- Prior art keywords
- reproduction
- vibrating device
- device intended
- electromagnetic vibrating
- acoustic recording
- 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
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB693435X | 1929-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR693435A true FR693435A (en) | 1930-11-20 |
Family
ID=10493274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR693435D Expired FR693435A (en) | 1929-05-19 | 1930-04-05 | Electromagnetic vibrating device intended in particular for acoustic recording and reproduction |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR693435A (en) |
NL (1) | NL28789C (en) |
-
0
- NL NL28789D patent/NL28789C/xx active
-
1930
- 1930-04-05 FR FR693435D patent/FR693435A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL28789C (en) |
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