AT227788B - Circuit arrangement for the transmission of messages, in particular for intercom systems - Google Patents
Circuit arrangement for the transmission of messages, in particular for intercom systemsInfo
- Publication number
- AT227788B AT227788B AT240561A AT240561A AT227788B AT 227788 B AT227788 B AT 227788B AT 240561 A AT240561 A AT 240561A AT 240561 A AT240561 A AT 240561A AT 227788 B AT227788 B AT 227788B
- Authority
- AT
- Austria
- Prior art keywords
- messages
- transmission
- circuit arrangement
- intercom systems
- intercom
- Prior art date
Links
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT240561A AT227788B (en) | 1961-03-23 | 1961-03-23 | Circuit arrangement for the transmission of messages, in particular for intercom systems |
CH339962A CH429833A (en) | 1961-03-23 | 1962-03-22 | Circuit arrangement for the transmission of messages, in particular for intercom systems |
FR891904A FR81431E (en) | 1960-02-10 | 1962-03-22 | |
DK130962A DK106232C (en) | 1961-03-23 | 1962-03-22 | Telecommunication systems, in particular house telephone systems. |
BE615460A BE615460A (en) | 1961-03-23 | 1962-03-23 | Switching for telecommunication systems, mainly intercommunication systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT240561A AT227788B (en) | 1961-03-23 | 1961-03-23 | Circuit arrangement for the transmission of messages, in particular for intercom systems |
Publications (1)
Publication Number | Publication Date |
---|---|
AT227788B true AT227788B (en) | 1963-06-10 |
Family
ID=3533744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT240561A AT227788B (en) | 1960-02-10 | 1961-03-23 | Circuit arrangement for the transmission of messages, in particular for intercom systems |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT227788B (en) |
BE (1) | BE615460A (en) |
CH (1) | CH429833A (en) |
DK (1) | DK106232C (en) |
-
1961
- 1961-03-23 AT AT240561A patent/AT227788B/en active
-
1962
- 1962-03-22 DK DK130962A patent/DK106232C/en active
- 1962-03-22 CH CH339962A patent/CH429833A/en unknown
- 1962-03-23 BE BE615460A patent/BE615460A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE615460A (en) | 1962-09-24 |
DK106232C (en) | 1967-01-09 |
CH429833A (en) | 1967-02-15 |
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