BE568079A - - Google Patents
Info
- Publication number
- BE568079A BE568079A BE568079DA BE568079A BE 568079 A BE568079 A BE 568079A BE 568079D A BE568079D A BE 568079DA BE 568079 A BE568079 A BE 568079A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- aforesaid
- specified
- contacts
- telephone
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 210000003423 ankle Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 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
- H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Relay Circuits (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE568079A true BE568079A (enrdf_load_stackoverflow) |
Family
ID=187557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE568079D BE568079A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE568079A (enrdf_load_stackoverflow) |
-
0
- BE BE568079D patent/BE568079A/fr unknown
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