FR987599A - Secret phone device - Google Patents

Secret phone device

Info

Publication number
FR987599A
FR987599A FR987599DA FR987599A FR 987599 A FR987599 A FR 987599A FR 987599D A FR987599D A FR 987599DA FR 987599 A FR987599 A FR 987599A
Authority
FR
France
Prior art keywords
phone device
secret phone
secret
phone
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
French (fr)
Inventor
Jean-Andre Maldioier
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.)
RADIOELECTRIQUES LAB
Original Assignee
RADIOELECTRIQUES LAB
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 RADIOELECTRIQUES LAB filed Critical RADIOELECTRIQUES LAB
Application granted granted Critical
Publication of FR987599A publication Critical patent/FR987599A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR987599D 1949-04-06 1949-04-06 Secret phone device Expired FR987599A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987599T 1949-04-06

Publications (1)

Publication Number Publication Date
FR987599A true FR987599A (en) 1951-08-16

Family

ID=9539029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987599D Expired FR987599A (en) 1949-04-06 1949-04-06 Secret phone device

Country Status (1)

Country Link
FR (1) FR987599A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946350C (en) * 1952-04-09 1956-08-02 Zenith Radio Corp TV connection with an encryptor and a decryptor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946350C (en) * 1952-04-09 1956-08-02 Zenith Radio Corp TV connection with an encryptor and a decryptor

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