BE554741A - - Google Patents
Info
- Publication number
- BE554741A BE554741A BE554741DA BE554741A BE 554741 A BE554741 A BE 554741A BE 554741D A BE554741D A BE 554741DA BE 554741 A BE554741 A BE 554741A
- Authority
- BE
- Belgium
- Prior art keywords
- telephone
- installation according
- order
- loudspeakers
- elements
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/62—Constructional arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE554741A true BE554741A (enrdf_load_stackoverflow) |
Family
ID=179083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE554741D BE554741A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE554741A (enrdf_load_stackoverflow) |
-
0
- BE BE554741D patent/BE554741A/fr unknown
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