NL71879C - - Google Patents
Info
- Publication number
- NL71879C NL71879C NL71879DA NL71879C NL 71879 C NL71879 C NL 71879C NL 71879D A NL71879D A NL 71879DA NL 71879 C NL71879 C NL 71879C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
- H04J7/02—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels in which the polarity of the amplitude is characteristic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
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- 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
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/526—Optical switching systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US644571XA | 1945-11-14 | 1945-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL71879C true NL71879C (pt) |
Family
ID=22056112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL71879D NL71879C (pt) | 1945-11-14 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE474936A (pt) |
DE (1) | DE916299C (pt) |
FR (1) | FR930641A (pt) |
GB (1) | GB644571A (pt) |
NL (1) | NL71879C (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB784522A (en) * | 1954-10-19 | 1957-10-09 | Gen Electric Co Ltd | Improvements in and relating to automatic telephone systems |
BE552603A (pt) * | 1955-11-23 |
-
0
- BE BE474936D patent/BE474936A/xx unknown
- NL NL71879D patent/NL71879C/xx active
-
1946
- 1946-07-13 FR FR930641D patent/FR930641A/fr not_active Expired
- 1946-11-04 GB GB32708/46A patent/GB644571A/en not_active Expired
-
1950
- 1950-10-01 DE DEF4325A patent/DE916299C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE916299C (de) | 1954-08-09 |
GB644571A (en) | 1950-10-11 |
BE474936A (pt) | |
FR930641A (fr) | 1948-01-30 |