NL32842C - - Google Patents
Info
- Publication number
- NL32842C NL32842C NL32842DA NL32842C NL 32842 C NL32842 C NL 32842C NL 32842D A NL32842D A NL 32842DA NL 32842 C NL32842 C NL 32842C
- 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
- 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
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL356546X | 1929-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL32842C true NL32842C (en) | 1900-01-01 |
Family
ID=19785240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL32842D NL32842C (en) | 1929-12-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1911721A (en) |
| DE (1) | DE601454C (en) |
| FR (1) | FR706686A (en) |
| GB (1) | GB356546A (en) |
| NL (1) | NL32842C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0080771B1 (en) * | 1981-11-27 | 1986-03-05 | Koninklijke Philips Electronics N.V. | Apparatus for driving one or more transducer units |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE934353C (en) * | 1948-10-02 | 1955-10-20 | Telefunken Gmbh | Arrangement for the central broadband sound supply of an airspace |
| DE939998C (en) * | 1951-03-03 | 1956-03-08 | Siemens Ag | High power sound film speaker assembly |
| DE102006009045B4 (en) * | 2006-02-27 | 2013-01-31 | Siemens Aktiengesellschaft | Loudspeaker system for a train |
-
0
- NL NL32842D patent/NL32842C/xx active
- US US1911721D patent/US1911721A/en not_active Expired - Lifetime
-
1930
- 1930-10-23 GB GB31875/30A patent/GB356546A/en not_active Expired
- 1930-11-28 FR FR706686D patent/FR706686A/en not_active Expired
- 1930-11-29 DE DE1930601454D patent/DE601454C/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0080771B1 (en) * | 1981-11-27 | 1986-03-05 | Koninklijke Philips Electronics N.V. | Apparatus for driving one or more transducer units |
Also Published As
| Publication number | Publication date |
|---|---|
| DE601454C (en) | 1934-08-16 |
| FR706686A (en) | 1931-06-27 |
| GB356546A (en) | 1931-09-10 |
| US1911721A (en) | 1933-05-30 |