GB746726A - Improvements in carrier-wave telegraphy - Google Patents

Improvements in carrier-wave telegraphy

Info

Publication number
GB746726A
GB746726A GB15735/54A GB1573554A GB746726A GB 746726 A GB746726 A GB 746726A GB 15735/54 A GB15735/54 A GB 15735/54A GB 1573554 A GB1573554 A GB 1573554A GB 746726 A GB746726 A GB 746726A
Authority
GB
United Kingdom
Prior art keywords
cycles
group
band
channel
frequency
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB15735/54A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB746726A publication Critical patent/GB746726A/en
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
GB15735/54A 1953-05-30 1954-05-27 Improvements in carrier-wave telegraphy Expired GB746726A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL323185X 1953-05-30

Publications (1)

Publication Number Publication Date
GB746726A true GB746726A (en) 1956-03-21

Family

ID=19784073

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15735/54A Expired GB746726A (en) 1953-05-30 1954-05-27 Improvements in carrier-wave telegraphy

Country Status (7)

Country Link
US (1) US2823259A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE527605A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH323185A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1029864B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1118413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB746726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL178727B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2374567A (en) * 1944-09-06 1945-04-24 Western Union Telegraph Co Multichannel carrier transmission system
US2662933A (en) * 1951-04-26 1953-12-15 Bell Telephone Labor Inc Multiplex carrier telegraph system

Also Published As

Publication number Publication date
BE527605A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL178727B (nl)
CH323185A (de) 1957-07-15
FR1118413A (fr) 1956-06-06
DE1029864B (de) 1958-05-14
NL86340C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US2823259A (en) 1958-02-11

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