SE391619B - Terminal for frekvensskiftnycklad overforing - Google Patents

Terminal for frekvensskiftnycklad overforing

Info

Publication number
SE391619B
SE391619B SE7409658A SE7409658A SE391619B SE 391619 B SE391619 B SE 391619B SE 7409658 A SE7409658 A SE 7409658A SE 7409658 A SE7409658 A SE 7409658A SE 391619 B SE391619 B SE 391619B
Authority
SE
Sweden
Prior art keywords
terminal
frequency shift
shift key
key transmission
transmission
Prior art date
Application number
SE7409658A
Other languages
English (en)
Swedish (sv)
Other versions
SE7409658L (xx
Inventor
J H Condon
W Kaminski
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE7409658L publication Critical patent/SE7409658L/xx
Publication of SE391619B publication Critical patent/SE391619B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Bidirectional Digital Transmission (AREA)
SE7409658A 1973-08-06 1974-07-25 Terminal for frekvensskiftnycklad overforing SE391619B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00385900A US3846582A (en) 1973-08-06 1973-08-06 Data transmission terminal for fsk frequency duplexed systems

Publications (2)

Publication Number Publication Date
SE7409658L SE7409658L (xx) 1975-02-07
SE391619B true SE391619B (sv) 1977-02-21

Family

ID=23523326

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7409658A SE391619B (sv) 1973-08-06 1974-07-25 Terminal for frekvensskiftnycklad overforing

Country Status (12)

Country Link
US (1) US3846582A (xx)
JP (1) JPS5046019A (xx)
BE (1) BE818490A (xx)
CA (1) CA1023003A (xx)
CH (1) CH582976A5 (xx)
DE (1) DE2437032A1 (xx)
ES (1) ES428951A1 (xx)
FR (1) FR2240587B1 (xx)
GB (1) GB1448164A (xx)
IT (1) IT1016758B (xx)
NL (1) NL7410300A (xx)
SE (1) SE391619B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3955051A (en) * 1975-01-17 1976-05-04 Plantronics Data set with bridge for duplex operation
DE2807785A1 (de) * 1978-02-23 1979-08-30 Siemens Ag Digitales nachrichtenuebertragungssystem
JPS59501142A (ja) * 1981-09-24 1984-06-28 アドバンスト・マイクロ・ディバイシズ・インコ−ポレ−テッド ディジタルフィルタを用いたｆｓｋ音声帯域モデム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537326A1 (de) * 1967-07-05 1969-07-31 Siemens Ag Nichtlinearer Frequenzdiskriminator
US3655915A (en) * 1970-05-07 1972-04-11 Gen Datacomm Ind Inc Closed loop test method and apparatus for duplex data transmission modem
DE2048118B2 (de) * 1970-09-30 1972-09-28 Anordnung zur wechselstromtelegrafie- und/oder datenuebertragung mit frequenzumtastung
US3729695A (en) * 1972-05-18 1973-04-24 Bell Telephone Labor Inc Commutating capacitor impedance device
US3787836A (en) * 1972-06-15 1974-01-22 Bell Telephone Labor Inc Multitone telephone dialing circuit employing digital-to-analog tone synthesis
US3761816A (en) * 1972-09-08 1973-09-25 Bell Telephone Labor Inc Data set employing a commutating capacitor, tracking, notch filter

Also Published As

Publication number Publication date
FR2240587B1 (xx) 1976-10-22
GB1448164A (en) 1976-09-02
IT1016758B (it) 1977-06-20
FR2240587A1 (xx) 1975-03-07
US3846582A (en) 1974-11-05
BE818490A (fr) 1974-12-02
NL7410300A (nl) 1975-02-10
DE2437032A1 (de) 1975-02-20
ES428951A1 (es) 1976-08-16
CH582976A5 (xx) 1976-12-15
SE7409658L (xx) 1975-02-07
CA1023003A (en) 1977-12-20
JPS5046019A (xx) 1975-04-24

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