NL69947C - - Google Patents
Info
- Publication number
- NL69947C NL69947C NL69947DA NL69947C NL 69947 C NL69947 C NL 69947C NL 69947D A NL69947D A NL 69947DA NL 69947 C NL69947 C NL 69947C
- 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
- 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)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1886145A GB615423A (en) | 1945-07-23 | 1945-07-23 | Improvements in or relating to electric pick-ups for sound reproducing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69947C true NL69947C (pt) |
Family
ID=10119665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL69947D NL69947C (pt) | 1945-07-23 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR935457A (pt) |
| GB (1) | GB615423A (pt) |
| NL (1) | NL69947C (pt) |
-
0
- NL NL69947D patent/NL69947C/xx active
-
1945
- 1945-07-23 GB GB1886145A patent/GB615423A/en not_active Expired
-
1946
- 1946-10-30 FR FR935457D patent/FR935457A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR935457A (fr) | 1948-06-18 |
| GB615423A (en) | 1949-01-06 |