[go: up one dir, main page]

CH524291A - Method for frequency-multiplexed transmission of telephone and videophone channels - Google Patents

Method for frequency-multiplexed transmission of telephone and videophone channels

Info

Publication number
CH524291A
CH524291A CH1901270A CH1901270A CH524291A CH 524291 A CH524291 A CH 524291A CH 1901270 A CH1901270 A CH 1901270A CH 1901270 A CH1901270 A CH 1901270A CH 524291 A CH524291 A CH 524291A
Authority
CH
Switzerland
Prior art keywords
videophone
telephone
channels
frequency
multiplexed transmission
Prior art date
Application number
CH1901270A
Other languages
German (de)
Inventor
Kopp Hans
Kuegler Eberhard
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 DE19702004018 external-priority patent/DE2004018C/en
Priority claimed from DE19702004019 external-priority patent/DE2004019C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH524291A publication Critical patent/CH524291A/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)
CH1901270A 1970-01-29 1970-12-22 Method for frequency-multiplexed transmission of telephone and videophone channels CH524291A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CH524291A true CH524291A (en) 1972-06-15

Family

ID=25758561

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1901270A CH524291A (en) 1970-01-29 1970-12-22 Method for frequency-multiplexed 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
JPS53152514U (en) 1978-12-01
NL7100461A (en) 1971-08-02
AT300043B (en) 1972-07-10
NL149968B (en) 1976-06-15
FR2077001A5 (en) 1971-10-15

Similar Documents

Publication Publication Date Title
CH539987A (en) Method and device for the transmission of information via carrier waves
NL151870B (en) TELECOMMUNICATION SYSTEM WITH THE POSSIBILITY OF AUDIO AND VIDEO COMMUNICATION.
AT274901B (en) Method and circuit arrangement for the transmission of digital messages
AT330956B (en) METHOD OF ISOLATING BETA1-AP-GLYCOPROTEIN AND ALFA2-AP-GLYCOPROTEIN
IT949775B (en) METHOD AND STEREOSCOPIC RETURN APPARATUS
CH542554A (en) Method for the transmission of audible signals and call signals in a time division multiplex communication system
CH518046A (en) Method for the transmission of pulse-coded messages
CH532344A (en) Transmission system for the transmission of two-valued pulse signals
CH487554A (en) Method of transmitting messages
AT314928B (en) Method of making an electrode
AT297936B (en) Method of making suppositories
CH524291A (en) Method for frequency-multiplexed transmission of telephone and videophone channels
CH541911A (en) Method and circuit arrangement for the floating transmission of direct current signals
CH524936A (en) Method for frequency division multiplex transmission of telephone and videophone channels
IT974691B (en) EQUIPMENT AND METHOD FOR USING OBJECTS
CH545358A (en) Method of torsional crimping
AT327158B (en) METHOD OF OXYDATION OF OLEFINS
IE35173B1 (en) Method of hydrostatic extrusion
DD69190A1 (en) Method of ventilation
IT950971B (en) APPARATUS AND METHOD OF REVELATION OF INTEGRATION
CH544045A (en) Composite explosive and method of making same
CH551117A (en) PROCEDURE AND EQUIPMENT FOR TRANSMISSION OF TRAFFIC MESSAGES.
AT312801B (en) Method for obtaining antisera
AT321024B (en) Method of preventing the fertility of animals
CH554111A (en) METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS.

Legal Events

Date Code Title Description
PL Patent ceased