BE474227A - - Google Patents
Info
- Publication number
- BE474227A BE474227A BE474227DA BE474227A BE 474227 A BE474227 A BE 474227A BE 474227D A BE474227D A BE 474227DA BE 474227 A BE474227 A BE 474227A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- distributor
- conductor
- polarity
- frequency
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000011664 signaling Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 description 34
- 230000005284 excitation Effects 0.000 description 6
- 206010021703 Indifference Diseases 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000013641 positive control Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000124033 Salix Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000010719 annulation reaction Methods 0.000 description 1
- 230000002763 arrhythmic effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR55759T | 1944-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474227A true BE474227A (OSRAM) |
Family
ID=8690053
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474226D BE474226A (OSRAM) | 1944-05-17 | ||
| BE474227D BE474227A (OSRAM) | 1944-05-17 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474226D BE474226A (OSRAM) | 1944-05-17 |
Country Status (2)
| Country | Link |
|---|---|
| BE (2) | BE474227A (OSRAM) |
| FR (1) | FR55759E (OSRAM) |
-
0
- BE BE474226D patent/BE474226A/fr unknown
- BE BE474227D patent/BE474227A/fr unknown
-
1944
- 1944-05-17 FR FR55759D patent/FR55759E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR55759E (fr) | 1952-09-05 |
| BE474226A (OSRAM) |
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