GB710205A - Improvements in or relating to carrier-wave telephone systems - Google Patents

Improvements in or relating to carrier-wave telephone systems

Info

Publication number
GB710205A
GB710205A GB4499/52A GB449952A GB710205A GB 710205 A GB710205 A GB 710205A GB 4499/52 A GB4499/52 A GB 4499/52A GB 449952 A GB449952 A GB 449952A GB 710205 A GB710205 A GB 710205A
Authority
GB
United Kingdom
Prior art keywords
frequencies
carrier
super
group
carriers
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
GB4499/52A
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 GB710205A publication Critical patent/GB710205A/en
Expired legal-status Critical Current

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)
  • Time-Division Multiplex Systems (AREA)
GB4499/52A 1951-02-23 1952-02-20 Improvements in or relating to carrier-wave telephone systems Expired GB710205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL299120X 1951-02-23

Publications (1)

Publication Number Publication Date
GB710205A true GB710205A (en) 1954-06-09

Family

ID=19783146

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4499/52A Expired GB710205A (en) 1951-02-23 1952-02-20 Improvements in or relating to carrier-wave telephone systems

Country Status (4)

Country Link
BE (1) BE509401A (enrdf_load_stackoverflow)
CH (1) CH299120A (enrdf_load_stackoverflow)
FR (1) FR1054908A (enrdf_load_stackoverflow)
GB (1) GB710205A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR1054908A (fr) 1954-02-15
BE509401A (enrdf_load_stackoverflow)
CH299120A (de) 1954-05-31

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