CH298704A - Installation téléphonique automatique. - Google Patents
Installation téléphonique automatique.Info
- Publication number
- CH298704A CH298704A CH298704DA CH298704A CH 298704 A CH298704 A CH 298704A CH 298704D A CH298704D A CH 298704DA CH 298704 A CH298704 A CH 298704A
- Authority
- CH
- Switzerland
- Prior art keywords
- line
- potential
- relay
- lines
- group
- Prior art date
Links
- 238000009434 installation Methods 0.000 title claims description 10
- 238000012360 testing method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims 2
- 238000004804 winding Methods 0.000 description 10
- 230000005284 excitation Effects 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 5
- 238000002242 deionisation method Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR298704X | 1949-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH298704A true CH298704A (fr) | 1954-05-15 |
Family
ID=8888329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH298704D CH298704A (fr) | 1949-03-11 | 1950-03-11 | Installation téléphonique automatique. |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE494429A (en]) |
| CH (1) | CH298704A (en]) |
-
0
- BE BE494429D patent/BE494429A/xx unknown
-
1950
- 1950-03-11 CH CH298704D patent/CH298704A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE494429A (en]) |
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