GB404574A - Improvements in or relating to radio communication systems - Google Patents

Improvements in or relating to radio communication systems

Info

Publication number
GB404574A
GB404574A GB22448/33A GB2244833A GB404574A GB 404574 A GB404574 A GB 404574A GB 22448/33 A GB22448/33 A GB 22448/33A GB 2244833 A GB2244833 A GB 2244833A GB 404574 A GB404574 A GB 404574A
Authority
GB
United Kingdom
Prior art keywords
carrier
bands
detector
sections
receiver
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
GB22448/33A
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Publication of GB404574A publication Critical patent/GB404574A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB22448/33A 1932-08-12 1933-08-11 Improvements in or relating to radio communication systems Expired GB404574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR404574X 1932-08-12

Publications (1)

Publication Number Publication Date
GB404574A true GB404574A (en) 1934-01-18

Family

ID=8897115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22448/33A Expired GB404574A (en) 1932-08-12 1933-08-11 Improvements in or relating to radio communication systems

Country Status (2)

Country Link
FR (1) FR754316A (xx)
GB (1) GB404574A (xx)

Also Published As

Publication number Publication date
FR754316A (xx) 1933-11-03

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