AT304649B - Circuit arrangement for telecommunication switching systems, in particular telephone switching systems - Google Patents
Circuit arrangement for telecommunication switching systems, in particular telephone switching systemsInfo
- Publication number
- AT304649B AT304649B AT224070A AT224070A AT304649B AT 304649 B AT304649 B AT 304649B AT 224070 A AT224070 A AT 224070A AT 224070 A AT224070 A AT 224070A AT 304649 B AT304649 B AT 304649B
- Authority
- AT
- Austria
- Prior art keywords
- switching systems
- circuit arrangement
- particular telephone
- telecommunication
- telephone switching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691912610 DE1912610C (en) | 1969-03-12 | Circuit arrangement for centrally controlled telecommunication switching systems, in particular telephone switching systems, with backflow lines |
Publications (1)
Publication Number | Publication Date |
---|---|
AT304649B true AT304649B (en) | 1973-01-10 |
Family
ID=5727915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT224070A AT304649B (en) | 1969-03-12 | 1970-03-10 | Circuit arrangement for telecommunication switching systems, in particular telephone switching systems |
Country Status (13)
Country | Link |
---|---|
AT (1) | AT304649B (en) |
BE (1) | BE747257A (en) |
BR (1) | BR7017426D0 (en) |
CH (1) | CH505521A (en) |
CS (1) | CS180563B2 (en) |
FR (1) | FR2037879A5 (en) |
GB (1) | GB1252552A (en) |
HU (1) | HU166635B (en) |
LU (1) | LU60495A1 (en) |
NL (1) | NL163937C (en) |
PL (1) | PL80467B1 (en) |
RO (1) | RO68904A (en) |
YU (1) | YU33685B (en) |
-
1970
- 1970-01-15 GB GB1252552D patent/GB1252552A/en not_active Expired
- 1970-03-02 NL NL7002940A patent/NL163937C/en not_active IP Right Cessation
- 1970-03-06 CH CH331070A patent/CH505521A/en not_active IP Right Cessation
- 1970-03-07 PL PL13925170A patent/PL80467B1/pl unknown
- 1970-03-09 YU YU56870A patent/YU33685B/en unknown
- 1970-03-10 AT AT224070A patent/AT304649B/en not_active IP Right Cessation
- 1970-03-10 RO RO7062705A patent/RO68904A/en unknown
- 1970-03-10 FR FR7008510A patent/FR2037879A5/fr not_active Expired
- 1970-03-10 LU LU60495D patent/LU60495A1/xx unknown
- 1970-03-11 CS CS162470A patent/CS180563B2/en unknown
- 1970-03-12 HU HUSI001160 patent/HU166635B/hu unknown
- 1970-03-12 BE BE747257D patent/BE747257A/en not_active IP Right Cessation
- 1970-03-12 BR BR21742670A patent/BR7017426D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
NL163937B (en) | 1980-05-16 |
YU56870A (en) | 1977-06-30 |
NL7002940A (en) | 1970-09-15 |
FR2037879A5 (en) | 1970-12-31 |
BE747257A (en) | 1970-09-14 |
RO68904A (en) | 1982-05-10 |
HU166635B (en) | 1975-04-28 |
YU33685B (en) | 1977-12-31 |
NL163937C (en) | 1980-10-15 |
SU437318A3 (en) | 1974-07-25 |
DE1912610A1 (en) | 1970-09-17 |
GB1252552A (en) | 1971-11-10 |
BR7017426D0 (en) | 1973-01-09 |
PL80467B1 (en) | 1975-08-30 |
CS180563B2 (en) | 1978-01-31 |
CH505521A (en) | 1971-03-31 |
DE1912610B2 (en) | 1971-10-28 |
LU60495A1 (en) | 1970-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |