NL70461C - - Google Patents
Info
- Publication number
- NL70461C NL70461C NL70461DA NL70461C NL 70461 C NL70461 C NL 70461C NL 70461D A NL70461D A NL 70461DA NL 70461 C NL70461 C NL 70461C
- 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)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE248532X | 1944-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL70461C true NL70461C (en:Method) |
Family
ID=20306107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL70461D NL70461C (en:Method) | 1944-05-12 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH248532A (en:Method) |
| FR (1) | FR913586A (en:Method) |
| GB (1) | GB591975A (en:Method) |
| NL (1) | NL70461C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2861145A (en) * | 1953-08-31 | 1958-11-18 | Gen Electric | High speed relay |
-
0
- NL NL70461D patent/NL70461C/xx active
-
1945
- 1945-05-04 GB GB11368/45A patent/GB591975A/en not_active Expired
- 1945-08-24 FR FR913586D patent/FR913586A/fr not_active Expired
- 1945-11-22 CH CH248532D patent/CH248532A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR913586A (fr) | 1946-09-13 |
| GB591975A (en) | 1947-09-03 |
| CH248532A (de) | 1947-05-15 |