NL26615C - - Google Patents
Info
- Publication number
- NL26615C NL26615C NL26615DA NL26615C NL 26615 C NL26615 C NL 26615C NL 26615D A NL26615D A NL 26615DA NL 26615 C NL26615 C NL 26615C
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1313028A GB312468A (en) | 1928-05-04 | 1928-05-04 | Improvements in or connected with sound reproducing and recording apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL26615C true NL26615C (forum.php) |
Family
ID=10017370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL26615D NL26615C (forum.php) | 1928-05-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE360317A (forum.php) |
| FR (1) | FR673559A (forum.php) |
| GB (1) | GB312468A (forum.php) |
| NL (1) | NL26615C (forum.php) |
-
0
- BE BE360317D patent/BE360317A/xx unknown
- NL NL26615D patent/NL26615C/xx active
-
1928
- 1928-05-04 GB GB1313028A patent/GB312468A/en not_active Expired
-
1929
- 1929-04-19 FR FR673559D patent/FR673559A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB312468A (en) | 1929-05-30 |
| BE360317A (forum.php) | |
| FR673559A (fr) | 1930-01-16 |