BE426431A - - Google Patents
Info
- Publication number
- BE426431A BE426431A BE426431DA BE426431A BE 426431 A BE426431 A BE 426431A BE 426431D A BE426431D A BE 426431DA BE 426431 A BE426431 A BE 426431A
- Authority
- BE
- Belgium
Links
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
- H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
- H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US126230A US2124027A (en) | 1937-02-17 | 1937-02-17 | Signaling system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE426431A true BE426431A (xx) |
Family
ID=22423713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE426431D BE426431A (xx) | 1937-02-17 |
Country Status (2)
Country | Link |
---|---|
US (1) | US2124027A (xx) |
BE (1) | BE426431A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB654639A (en) * | 1947-02-07 | 1951-06-27 | Standard Telephones Cables Ltd | Improvements in or relating to electric signalling systems |
US2549696A (en) * | 1947-06-24 | 1951-04-17 | Automatic Elect Lab | Impulse correcting repeaterselector system |
US2577614A (en) * | 1948-10-29 | 1951-12-04 | Bell Telephone Labor Inc | Voice-frequency signaling system |
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0
- BE BE426431D patent/BE426431A/xx unknown
-
1937
- 1937-02-17 US US126230A patent/US2124027A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2124027A (en) | 1938-07-19 |