NL49386C - - Google Patents
Info
- Publication number
- NL49386C NL49386C NL49386DA NL49386C NL 49386 C NL49386 C NL 49386C NL 49386D A NL49386D A NL 49386DA NL 49386 C NL49386 C NL 49386C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMSÂ
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR824085T | 1936-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49386C true NL49386C (en:Method) |
Family
ID=9281684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49386D NL49386C (en:Method) | 1936-10-17 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH203725A (en:Method) |
| FR (1) | FR824085A (en:Method) |
| NL (1) | NL49386C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3082295A (en) * | 1959-12-08 | 1963-03-19 | All Union Res Inst Of Cinemato | Panoramic mixer |
-
0
- NL NL49386D patent/NL49386C/xx active
-
1936
- 1936-10-17 FR FR824085D patent/FR824085A/fr not_active Expired
-
1937
- 1937-10-16 CH CH203725D patent/CH203725A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR824085A (fr) | 1938-02-01 |
| CH203725A (de) | 1939-03-31 |