AT300043B - Frequency division multiplex system for the transmission of telephone and videophone channels - Google Patents

Frequency division multiplex system for the transmission of telephone and videophone channels

Info

Publication number
AT300043B
AT300043B AT16171A AT16171A AT300043B AT 300043 B AT300043 B AT 300043B AT 16171 A AT16171 A AT 16171A AT 16171 A AT16171 A AT 16171A AT 300043 B AT300043 B AT 300043B
Authority
AT
Austria
Prior art keywords
videophone
telephone
channels
transmission
frequency division
Prior art date
Application number
AT16171A
Other languages
German (de)
Original Assignee
Siemens Ag
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
Priority claimed from DE19702004019 external-priority patent/DE2004019C3/en
Priority claimed from DE19702004018 external-priority patent/DE2004018C/en
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT300043B publication Critical patent/AT300043B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
AT16171A 1970-01-29 1971-01-11 Frequency division multiplex system for the transmission of telephone and videophone channels AT300043B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702004019 DE2004019C3 (en) 1970-01-29 1970-01-29 Frequency division multiplex system for transmission of telephone and videophone channels
DE19702004018 DE2004018C (en) 1970-01-29 Frequency division multiplex system for transmission of telephone and videophone channels

Publications (1)

Publication Number Publication Date
AT300043B true AT300043B (en) 1972-07-10

Family

ID=25758561

Family Applications (1)

Application Number Title Priority Date Filing Date
AT16171A AT300043B (en) 1970-01-29 1971-01-11 Frequency division multiplex system for the transmission of telephone and videophone channels

Country Status (5)

Country Link
JP (1) JPS53152514U (en)
AT (1) AT300043B (en)
CH (1) CH524291A (en)
FR (1) FR2077001A5 (en)
NL (1) NL149968B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048952B (en) * 1956-08-27 1959-01-22 Felten & Guilleaume Gmbh 12 MHz carrier frequency system built from an already existing 4 MHz carrier frequency system (V 960)
DE1025457B (en) * 1956-08-29 1958-03-06 Felten & Guilleaume Gmbh 12 MHz carrier frequency system built from an already existing 4 MHz system

Also Published As

Publication number Publication date
NL7100461A (en) 1971-08-02
JPS53152514U (en) 1978-12-01
NL149968B (en) 1976-06-15
CH524291A (en) 1972-06-15
FR2077001A5 (en) 1971-10-15

Similar Documents

Publication Publication Date Title
NL151870B (en) TELECOMMUNICATION SYSTEM WITH THE POSSIBILITY OF AUDIO AND VIDEO COMMUNICATION.
CA949244A (en) Time division multiplex communication system
IL42652A0 (en) Time multiplex telecommunication method and system
AT336689B (en) TRANSMISSION SYSTEM FOR SECRET TRANSMISSION OF VOICE SIGNALS
BE783683A (en) OFF-THE-BAND MULTIPLEX SIGNALING SYSTEM FOR A COMMUNICATION SYSTEM WITH ONE OR MORE FREQUENCY CHANNELS
DE2015511B2 (en) DIGITAL MULTIPLEX ARRANGEMENT FOR THE TRANSMISSION OF MULTIPLEX TIMES AND DIGITAL SIGNALS
CH538789A (en) Time division multiplex data transmission system
CA942896A (en) Frequency division multiplex single-sideband modulation system
IT965313B (en) PROCEDURE FOR TRANSMISSION OF TWO SOUND CHANNELS IN TELEVISION NE
CA953412A (en) Multiplex video transmission system
ATA604273A (en) FREQUENCY MULTIPLEX CARRIER FREQUENCY MESSAGE TRANSMISSION SYSTEM
CA1008981A (en) Multiplex transmission method and system
AU4914572A (en) Time division multiplex telecommunications systems
DK138147B (en) Telecommunication system with time division multiplex.
AT299317B (en) Frequency division multiplex system for the transmission of telephone and videophone channels
AT267617B (en) Method and device for the asynchronous time division multiplex transmission of messages
AT300043B (en) Frequency division multiplex system for the transmission of telephone and videophone channels
NL171314C (en) FREQUENCY MULTIPLEX TRANSMISSION SYSTEM.
AT323244B (en) TIME MULTIPLEX TELEPHONE SWITCHING SYSTEM
NL7515159A (en) MULTIPLEX SWITCHING NETWORK WITH COMPRESSION AND SEARCH ALLOCATION OF CHANNELS.
AT313984B (en) Transmission system for the transmission of digital signals with regenerative amplifiers
AT333850B (en) DIGITAL MESSAGE TRANSMISSION SYSTEM
AU462390B2 (en) System forthe transmission of signal criterious through time multiplex telegraphs
CA951004A (en) Telecommunication system with time division multiplex
CH544458A (en) Data network for the transmission of digital data in time division multiplex

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee