BE446654A - - Google Patents
Info
- Publication number
- BE446654A BE446654A BE446654DA BE446654A BE 446654 A BE446654 A BE 446654A BE 446654D A BE446654D A BE 446654DA BE 446654 A BE446654 A BE 446654A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- emi
- signal
- tube
- circuit
- Prior art date
Links
- 238000012360 testing method Methods 0.000 description 10
- 238000004804 winding Methods 0.000 description 7
- 239000007858 starting material Substances 0.000 description 3
- 244000007853 Sarothamnus scoparius Species 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
- H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL232002X | 1941-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE446654A true BE446654A (enrdf_load_stackoverflow) |
Family
ID=19780020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE446654D BE446654A (enrdf_load_stackoverflow) | 1941-06-26 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE446654A (enrdf_load_stackoverflow) |
| CH (1) | CH232002A (enrdf_load_stackoverflow) |
-
0
- BE BE446654D patent/BE446654A/fr unknown
-
1942
- 1942-06-26 CH CH232002D patent/CH232002A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH232002A (de) | 1944-04-30 |
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