AT375230B - System zur sprachverschluesselung - Google Patents

System zur sprachverschluesselung

Info

Publication number
AT375230B
AT375230B AT0068478A AT68478A AT375230B AT 375230 B AT375230 B AT 375230B AT 0068478 A AT0068478 A AT 0068478A AT 68478 A AT68478 A AT 68478A AT 375230 B AT375230 B AT 375230B
Authority
AT
Austria
Prior art keywords
encryption system
voice encryption
voice
encryption
Prior art date
Application number
AT0068478A
Other languages
English (en)
Other versions
ATA68478A (de
Original Assignee
Tekade Felten & Guilleaume
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 Tekade Felten & Guilleaume filed Critical Tekade Felten & Guilleaume
Publication of ATA68478A publication Critical patent/ATA68478A/de
Application granted granted Critical
Publication of AT375230B publication Critical patent/AT375230B/de

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)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
AT0068478A 1977-02-05 1978-02-01 System zur sprachverschluesselung AT375230B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2704822A DE2704822C3 (de) 1977-02-05 1977-02-05 Verfahren zur Sprachverschlüsselung nach dem Zeitverwürfelungsverfahren

Publications (2)

Publication Number Publication Date
ATA68478A ATA68478A (de) 1983-11-15
AT375230B true AT375230B (de) 1984-07-10

Family

ID=6000430

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0068478A AT375230B (de) 1977-02-05 1978-02-01 System zur sprachverschluesselung

Country Status (7)

Country Link
AT (1) AT375230B (de)
CH (1) CH628761A5 (de)
DE (1) DE2704822C3 (de)
DK (1) DK52378A (de)
FR (1) FR2379948A1 (de)
NL (1) NL7801250A (de)
SE (1) SE418442B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455477C3 (de) * 1974-11-23 1982-08-26 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur Sprachverschleierung durch zeitliches Vertauschen der Sprachabschnitte
US4956709A (en) * 1988-03-11 1990-09-11 Pbs Enterprises, Inc. Forward error correction of data transmitted via television signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455477C3 (de) * 1974-11-23 1982-08-26 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur Sprachverschleierung durch zeitliches Vertauschen der Sprachabschnitte

Also Published As

Publication number Publication date
ATA68478A (de) 1983-11-15
NL7801250A (nl) 1978-08-08
DE2704822B2 (de) 1980-02-28
SE418442B (sv) 1981-05-25
DK52378A (da) 1978-08-06
DE2704822A1 (de) 1978-08-10
DE2704822C3 (de) 1980-10-23
SE7801246L (sv) 1978-08-06
CH628761A5 (en) 1982-03-15
FR2379948A1 (fr) 1978-09-01

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee