BE425353A - - Google Patents
Info
- Publication number
- BE425353A BE425353A BE425353DA BE425353A BE 425353 A BE425353 A BE 425353A BE 425353D A BE425353D A BE 425353DA BE 425353 A BE425353 A BE 425353A
- Authority
- BE
- Belgium
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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/007—Monitoring arrangements; Testing arrangements for public address systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/02—Remote control of amplification, tone or bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
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)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL91693D DE711021C (de) | 1936-12-23 | 1936-12-23 | Lautsprecheranlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425353A true BE425353A (en:Method) |
Family
ID=7287337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425353D BE425353A (en:Method) | 1936-12-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE425353A (en:Method) |
| DE (1) | DE711021C (en:Method) |
-
0
- BE BE425353D patent/BE425353A/xx unknown
-
1936
- 1936-12-23 DE DEL91693D patent/DE711021C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE711021C (de) | 1941-10-02 |