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 systems

Info

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
Application number
AT240561A
Other languages
German (de)
Inventor
Geza Ing Beszedics
Robert Ing Konecny
Original Assignee
Standard Telephon & Telegraph
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Standard Telephon & Telegraph filed Critical Standard Telephon & Telegraph
Priority to AT240561A priority Critical patent/AT227788B/en
Priority to CH339962A priority patent/CH429833A/en
Priority to FR891904A priority patent/FR81431E/fr
Priority to DK130962A priority patent/DK106232C/en
Priority to BE615460A priority patent/BE615460A/en
Application granted granted Critical
Publication of AT227788B publication Critical patent/AT227788B/en

Links

AT240561A 1960-02-10 1961-03-23 Circuit arrangement for the transmission of messages, in particular for intercom systems AT227788B (en)

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)

Also Published As

Publication number Publication date
BE615460A (en) 1962-09-24
DK106232C (en) 1967-01-09
CH429833A (en) 1967-02-15

Similar Documents

Publication Publication Date Title
CH397781A (en) Bracket for electroacoustic transmission systems
BE603110A (en) Communication systems
CH435383A (en) Coordinate relay selector system with several selector stages
NL143784B (en) COMMUNICATION SYSTEM WITH MULTIPLE-TIME DIVISION.
AT227788B (en) Circuit arrangement for the transmission of messages, in particular for intercom systems
CH410068A (en) Circuit arrangement for message transmission systems, in particular for telephone systems
CH358837A (en) Transmission switching system, in particular for telephone purposes
CH408105A (en) Simplex telegraph equipment, in particular for shipping
CH409025A (en) Hybrid circuit for communication systems
CH412998A (en) Centrally controlled switching system, in particular for telephone purposes
CH409004A (en) Circuit arrangement, in particular for telephone systems, for converting input information
CH384042A (en) Electromagnetic-optical indicator, in particular for telephone exchange systems
CH416757A (en) Circuit arrangement for the transmission of signal signs via multi-core telecommunication lines, in particular for telephone systems
CH408122A (en) Electroacoustic transmission system
CH396085A (en) Graphic transmission system
AT245635B (en) Circuit arrangement for intercom systems, intercom systems or the like.
AT232075B (en) Station for teleautographic transmission systems
CH423869A (en) Telegraph system
CH412997A (en) Centrally controlled switching system, in particular for telephone purposes
CH439411A (en) Circuit arrangement for relay-controlled telephone extension systems
AT232064B (en) Relay selector
AT218079B (en) Electromagnetic relay, in particular for telephone systems
CA598925A (en) Selective ringing circuits
CA628798A (en) Transmission systems
AU268425B2 (en) Electronic telegraphic system