NL25009C - - Google Patents
Info
- Publication number
- NL25009C NL25009C NL25009DA NL25009C NL 25009 C NL25009 C NL 25009C NL 25009D A NL25009D A NL 25009DA NL 25009 C NL25009 C NL 25009C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
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 |
|---|---|---|---|
| NL1876113X | 1927-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL25009C true NL25009C (https=) |
Family
ID=19873228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL25009D NL25009C (https=) | 1927-09-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1876113A (https=) |
| BE (1) | BE353518A (https=) |
| FR (1) | FR659415A (https=) |
| NL (1) | NL25009C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3552564A (en) * | 1967-04-25 | 1971-01-05 | Burgener Technical Enterprises | Ferromagnetic ore concentrator and method of processing ores therewith |
-
0
- BE BE353518D patent/BE353518A/xx unknown
- NL NL25009D patent/NL25009C/xx active
-
1928
- 1928-08-10 US US298827A patent/US1876113A/en not_active Expired - Lifetime
- 1928-08-22 FR FR659415D patent/FR659415A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE353518A (https=) | |
| FR659415A (fr) | 1929-06-28 |
| US1876113A (en) | 1932-09-06 |