NL21228C - - Google Patents
Info
- Publication number
- NL21228C NL21228C NL21228DA NL21228C NL 21228 C NL21228 C NL 21228C NL 21228D A NL21228D A NL 21228DA NL 21228 C NL21228 C NL 21228C
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE267564X | 1926-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21228C true NL21228C (ja�@�@) |
Family
ID=5997586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21228D NL21228C (ja�@�@) | 1926-03-15 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB267564A (ja�@�@) |
| NL (1) | NL21228C (ja�@�@) |
-
0
- NL NL21228D patent/NL21228C/xx active
-
1927
- 1927-03-14 GB GB7085/27A patent/GB267564A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB267564A (en) | 1927-10-27 |