NL111059C - - Google Patents
Info
- Publication number
- NL111059C NL111059C NL111059DA NL111059C NL 111059 C NL111059 C NL 111059C NL 111059D A NL111059D A NL 111059DA NL 111059 C NL111059 C NL 111059C
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82508359A | 1959-07-06 | 1959-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL111059C true NL111059C (https=) |
Family
ID=25243070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL111059D NL111059C (https=) | 1959-07-06 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB956362A (https=) |
| NL (1) | NL111059C (https=) |
-
0
- NL NL111059D patent/NL111059C/xx active
-
1960
- 1960-07-04 GB GB2326560A patent/GB956362A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB956362A (en) | 1964-04-29 |