AT335518B - ARRANGEMENT FOR AC TELEGRAPHY AND OR OR DATA TRANSFER WITH FREQUENCY SWITCHING - Google Patents

ARRANGEMENT FOR AC TELEGRAPHY AND OR OR DATA TRANSFER WITH FREQUENCY SWITCHING

Info

Publication number
AT335518B
AT335518B AT726871A AT726871A AT335518B AT 335518 B AT335518 B AT 335518B AT 726871 A AT726871 A AT 726871A AT 726871 A AT726871 A AT 726871A AT 335518 B AT335518 B AT 335518B
Authority
AT
Austria
Prior art keywords
telegraphy
arrangement
data transfer
frequency switching
switching
Prior art date
Application number
AT726871A
Other languages
German (de)
Other versions
ATA726871A (en
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ATA726871A publication Critical patent/ATA726871A/en
Application granted granted Critical
Publication of AT335518B publication Critical patent/AT335518B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT726871A 1970-09-30 1971-08-19 ARRANGEMENT FOR AC TELEGRAPHY AND OR OR DATA TRANSFER WITH FREQUENCY SWITCHING AT335518B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702048118 DE2048118B2 (en) 1970-09-30 1970-09-30 ARRANGEMENT FOR AC TELEGRAPHY AND / OR DATA TRANSFER WITH FREQUENCY SWITCHING

Publications (2)

Publication Number Publication Date
ATA726871A ATA726871A (en) 1976-07-15
AT335518B true AT335518B (en) 1977-03-10

Family

ID=5783836

Family Applications (1)

Application Number Title Priority Date Filing Date
AT726871A AT335518B (en) 1970-09-30 1971-08-19 ARRANGEMENT FOR AC TELEGRAPHY AND OR OR DATA TRANSFER WITH FREQUENCY SWITCHING

Country Status (8)

Country Link
JP (1) JPS5338885B1 (en)
AT (1) AT335518B (en)
BE (1) BE773322A (en)
DE (1) DE2048118B2 (en)
DK (1) DK141229C (en)
FR (1) FR2108116B1 (en)
NL (1) NL7113368A (en)
SE (1) SE379137B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846582A (en) * 1973-08-06 1974-11-05 Bell Telephone Labor Inc Data transmission terminal for fsk frequency duplexed systems
DE2828757C3 (en) * 1978-06-30 1981-02-19 Robert Bosch Gmbh, 7000 Stuttgart Method for clock recovery with non-coherent frequency shift keying

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662933A (en) * 1951-04-26 1953-12-15 Bell Telephone Labor Inc Multiplex carrier telegraph system
FR1518675A (en) * 1966-02-04 1968-03-29 Gen Electric Discrimination circuits for receiving frequency shifted signals
FR1568195A (en) * 1968-03-13 1969-05-23 Trt Telecom Radio Electr
FR2053601A6 (en) * 1969-02-26 1971-04-16 Trt Telecom Radio Electr
FR2031196A5 (en) * 1969-05-12 1970-11-13 Siemens Spa Italiana
BE757298A (en) * 1969-12-10 1971-03-16 Sits Soc It Telecom Siemens DIGITAL GENERATOR CAPABLE OF PRODUCING A DISCREET FREQUENCY SERIES

Also Published As

Publication number Publication date
DK141229B (en) 1980-02-04
NL7113368A (en) 1972-04-05
ATA726871A (en) 1976-07-15
DE2048118A1 (en) 1972-04-20
JPS5338885B1 (en) 1978-10-18
DE2048118B2 (en) 1972-09-28
FR2108116B1 (en) 1976-12-03
FR2108116A1 (en) 1972-05-12
SE379137B (en) 1975-09-22
DK141229C (en) 1980-07-21
BE773322A (en) 1972-03-30

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Legal Events

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