FR845378A - Multiplex telephone systems - Google Patents
Multiplex telephone systemsInfo
- Publication number
- FR845378A FR845378A FR845378DA FR845378A FR 845378 A FR845378 A FR 845378A FR 845378D A FR845378D A FR 845378DA FR 845378 A FR845378 A FR 845378A
- Authority
- FR
- France
- Prior art keywords
- telephone systems
- multiplex telephone
- multiplex
- systems
- telephone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL229318X | 1937-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR845378A true FR845378A (en) | 1939-08-21 |
Family
ID=19779841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR845378D Expired FR845378A (en) | 1937-10-30 | 1938-10-29 | Multiplex telephone systems |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE430846A (en) |
CH (1) | CH229318A (en) |
FR (1) | FR845378A (en) |
GB (1) | GB511902A (en) |
NL (1) | NL48629C (en) |
-
0
- BE BE430846D patent/BE430846A/xx unknown
- NL NL48629D patent/NL48629C/xx active
-
1938
- 1938-10-29 CH CH229318D patent/CH229318A/en unknown
- 1938-10-29 FR FR845378D patent/FR845378A/en not_active Expired
- 1938-10-31 GB GB31443/38A patent/GB511902A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH229318A (en) | 1943-10-15 |
GB511902A (en) | 1939-08-25 |
BE430846A (en) | |
NL48629C (en) |
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