BE340840A - - Google Patents
Info
- Publication number
- BE340840A BE340840A BE340840DA BE340840A BE 340840 A BE340840 A BE 340840A BE 340840D A BE340840D A BE 340840DA BE 340840 A BE340840 A BE 340840A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- armature
- circuit
- switch
- earth
- Prior art date
Links
- 230000000875 corresponding Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 54
- 238000004804 winding Methods 0.000 description 21
- 230000002787 reinforcement Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000002028 premature Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 210000004207 Dermis Anatomy 0.000 description 1
- 230000003213 activating Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001976 improved Effects 0.000 description 1
- 230000000977 initiatory Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE340840A true BE340840A (ja) |
Family
ID=17554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE340840D BE340840A (ja) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE340840A (ja) |
-
0
- BE BE340840D patent/BE340840A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE340840A (ja) | ||
BE384791A (ja) | ||
BE400690A (ja) | ||
BE363268A (ja) | ||
BE483916A (ja) | ||
BE353818A (ja) | ||
BE412135A (ja) | ||
BE349856A (ja) | ||
BE548682A (ja) | ||
BE348945A (ja) | ||
BE377986A (ja) | ||
BE412533A (ja) | ||
BE384554A (ja) | ||
BE341573A (ja) | ||
BE363079A (ja) | ||
BE354615A (ja) | ||
BE428086A (ja) | ||
BE409407A (ja) | ||
BE482801A (ja) | ||
BE379089A (ja) | ||
BE423720A (ja) | ||
BE349935A (ja) | ||
BE350224A (ja) | ||
CH132457A (fr) | Installation téléphonique semi-automatique. | |
BE420417A (ja) |