GB1252740A - - Google Patents

Info

Publication number
GB1252740A
GB1252740A GB1252740DA GB1252740A GB 1252740 A GB1252740 A GB 1252740A GB 1252740D A GB1252740D A GB 1252740DA GB 1252740 A GB1252740 A GB 1252740A
Authority
GB
United Kingdom
Prior art keywords
speech
receiver
phase splitter
transmission
feb
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
Other languages
English (en)
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 filed Critical
Publication of GB1252740A publication Critical patent/GB1252740A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/006—Secret communication by varying or inverting the phase, at periodic or random intervals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB1252740D 1968-02-09 1968-02-09 Expired GB1252740A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB661268 1968-02-09

Publications (1)

Publication Number Publication Date
GB1252740A true GB1252740A (enrdf_load_html_response) 1971-11-10

Family

ID=9817638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252740D Expired GB1252740A (enrdf_load_html_response) 1968-02-09 1968-02-09

Country Status (1)

Country Link
GB (1) GB1252740A (enrdf_load_html_response)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees