BE380181A - - Google Patents
Info
- Publication number
- BE380181A BE380181A BE380181DA BE380181A BE 380181 A BE380181 A BE 380181A BE 380181D A BE380181D A BE 380181DA BE 380181 A BE380181 A BE 380181A
- Authority
- BE
- Belgium
- Prior art keywords
- telephone
- circuit
- recording
- installation according
- contactor
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims description 21
- 230000005236 sound signal Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 241001422033 Thestylus Species 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE380181A true BE380181A (https=) |
Family
ID=49964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE380181D BE380181A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE380181A (https=) |
-
0
- BE BE380181D patent/BE380181A/fr unknown
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