BE496979A - - Google Patents
Info
- Publication number
- BE496979A BE496979A BE496979DA BE496979A BE 496979 A BE496979 A BE 496979A BE 496979D A BE496979D A BE 496979DA BE 496979 A BE496979 A BE 496979A
- Authority
- BE
- Belgium
- Prior art keywords
- amplifier
- amplifier device
- switch
- telephone
- turns
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000011664 signaling 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
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
- H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496979A true BE496979A (esLanguage) |
Family
ID=140059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496979D BE496979A (esLanguage) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE496979A (esLanguage) |
-
0
- BE BE496979D patent/BE496979A/fr unknown
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