ATE132308T1 - Verfahren und vorrichtung zur vorbeugung des externen nachweises der signalinformationen - Google Patents

Verfahren und vorrichtung zur vorbeugung des externen nachweises der signalinformationen

Info

Publication number
ATE132308T1
ATE132308T1 AT90902419T AT90902419T ATE132308T1 AT E132308 T1 ATE132308 T1 AT E132308T1 AT 90902419 T AT90902419 T AT 90902419T AT 90902419 T AT90902419 T AT 90902419T AT E132308 T1 ATE132308 T1 AT E132308T1
Authority
AT
Austria
Prior art keywords
signal
pct
pseudo
sequences
video
Prior art date
Application number
AT90902419T
Other languages
English (en)
Inventor
Per Lindholm
Original Assignee
Comex Electronics Ab
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 Comex Electronics Ab filed Critical Comex Electronics Ab
Application granted granted Critical
Publication of ATE132308T1 publication Critical patent/ATE132308T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/14—Jamming or countermeasure used for a particular application for the transfer of light or images, e.g. for video-surveillance, for television or from a computer screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
    • H04K2203/32—Jamming or countermeasure characterized by the infrastructure components including a particular configuration of antennas

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Television Systems (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Transforming Electric Information Into Light Information (AREA)
AT90902419T 1989-01-30 1990-01-24 Verfahren und vorrichtung zur vorbeugung des externen nachweises der signalinformationen ATE132308T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8900288A SE462935B (sv) 1989-01-30 1989-01-30 Saett och anordning foer hindrande av extern detektering av signalinformation

Publications (1)

Publication Number Publication Date
ATE132308T1 true ATE132308T1 (de) 1996-01-15

Family

ID=20374874

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90902419T ATE132308T1 (de) 1989-01-30 1990-01-24 Verfahren und vorrichtung zur vorbeugung des externen nachweises der signalinformationen

Country Status (11)

Country Link
US (1) US5157725A (de)
EP (1) EP0455699B1 (de)
JP (1) JP3148231B2 (de)
AT (1) ATE132308T1 (de)
AU (2) AU635915B2 (de)
CA (1) CA2045619C (de)
DE (1) DE69024483T2 (de)
FI (1) FI103237B1 (de)
NO (1) NO179469C (de)
SE (1) SE462935B (de)
WO (1) WO1990009067A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351292A (en) * 1989-01-26 1994-09-27 Cominvest Research Ab Method and apparatus for preventing external detection of signal information
SE500276C2 (sv) * 1991-06-24 1994-05-24 Shield Research In Sweden Ab Förfarande och anordning för att förhindra extern detektering av signalinformation
IT1259383B (it) * 1992-04-02 1996-03-12 Dispositivo di protezione per computer e simili
CA2316227C (en) 1998-01-02 2009-08-11 Cryptography Research, Inc. Leak-resistant cryptographic method and apparatus
US7587044B2 (en) 1998-01-02 2009-09-08 Cryptography Research, Inc. Differential power analysis method and apparatus
JP4097773B2 (ja) * 1998-04-20 2008-06-11 オリンパス株式会社 デジタル画像編集システム
JP2002519722A (ja) 1998-06-03 2002-07-02 クリプターグラフィー リサーチ インコーポレイテッド スマートカードおよび他の暗号システム用の、漏洩を最小に抑える、改良ｄｅｓおよび他の暗号プロセス
ATE360866T1 (de) 1998-07-02 2007-05-15 Cryptography Res Inc Leckresistente aktualisierung eines indexierten kryptographischen schlüssels
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
WO2005114902A1 (ja) * 2004-05-24 2005-12-01 Nippon Telegraph And Telephone Corporation 情報漏洩防止装置及び情報漏洩防止方法
US10469790B2 (en) * 2011-08-31 2019-11-05 Cablecam, Llc Control system and method for an aerially moved payload system
US9477141B2 (en) 2011-08-31 2016-10-25 Cablecam, Llc Aerial movement system having multiple payloads
US9337949B2 (en) 2011-08-31 2016-05-10 Cablecam, Llc Control system for an aerially moved payload

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH623271A5 (de) * 1977-11-15 1981-05-29 Hasler Ag
DE3127843A1 (de) * 1981-07-15 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur verhinderung von "kompromittierender abstrahlung" bei der verarbeitung und uebertragung geheimer dateninformationen
GB8608172D0 (en) * 1986-04-03 1986-05-08 Walker S M Computer security devices
NO165698C (no) * 1988-07-05 1991-03-20 System Sikkerhet As System for beskyttelse mot avlytting av digitalt utstyr.

Also Published As

Publication number Publication date
AU3217193A (en) 1993-03-25
SE462935B (sv) 1990-09-17
NO179469B (no) 1996-07-01
SE8900288D0 (sv) 1989-01-30
FI103237B (fi) 1999-05-14
AU4967590A (en) 1990-08-24
AU648455B2 (en) 1994-04-21
NO912830D0 (no) 1991-07-19
EP0455699A1 (de) 1991-11-13
NO179469C (no) 1996-10-09
CA2045619A1 (en) 1990-07-27
FI913577A0 (fi) 1991-07-26
FI103237B1 (fi) 1999-05-14
WO1990009067A1 (en) 1990-08-09
NO912830L (no) 1991-09-25
SE8900288L (sv) 1990-07-27
US5157725A (en) 1992-10-20
DE69024483D1 (de) 1996-02-08
CA2045619C (en) 2000-07-25
JP3148231B2 (ja) 2001-03-19
JPH04504639A (ja) 1992-08-13
AU635915B2 (en) 1993-04-08
DE69024483T2 (de) 1996-07-25
EP0455699B1 (de) 1995-12-27

Similar Documents

Publication Publication Date Title
DE69024483D1 (de) Verfahren und vorrichtung zur vorbeugung des externen nachweises der signalinformationen
DE68922885D1 (de) Verfahren und Vorrichtung zur Schallbilderzeugung.
DE69100204D1 (de) Einrichtung zur erzeugung von testsignalen.
DE68928438D1 (de) Verfahren und Vorrichtung zur Erzeugung von beweglichen Bildern
DE69023914D1 (de) Verfahren und vorrichtung zur erzeugung gerasterter halbtonbilder.
DE69901870D1 (de) Verfahren und Vorrichtung zur Erzeugung komplexer Verschlüsselungskodesequenzen
DE69016824D1 (de) Vorrichtung zur Erzeugung von Musiktonwellenformsignalen.
EP0683595A3 (de) Vorrichtung zur Erzeugung eines Bildes.
DE69202513D1 (de) Verfahren zum Erzeugen eines Explosionsdruckes und Vorrichtung dafür.
DE69109213D1 (de) Verfahren und Vorrichtung zur Erzeugung von Röntgenstrahlen.
DE59509828D1 (de) Vorrichtung zur Erzeugung eines Bildes
DE68906186D1 (de) Sonde, vorrichtung zur bilderstellung mit dieser sonde und verfahren zur benutzung dieser vorrichtung.
DE3888421D1 (de) Gerät zur Erzeugung eines Pseudo-Zufallsmusters.
DE69019179D1 (de) Verfahren und Gerät zur Erzeugung von mehrfarbigen Bildern.
DE3675779D1 (de) Verfahren und vorrichtung zum erzeugen eines bildelementsynchronisierungssignals in bildabtast- und bildwiedergabevorrichtungen.
DE69113591D1 (de) Verfahren und gerät zur generierung von pulsen.
DE69125613D1 (de) Verfahren und Vorrichtung zur Erzeugung von Testsignalen
DE69233622D1 (de) Vorrichtung zur Erzeugung von Ansagen
FR2672402B1 (fr) Procede et dispositif pour la generation de nombres pseudo-aleatoires uniques.
ATE138480T1 (de) Überwachung von teilentladungen
DE69220345D1 (de) Verfahren und Vorrichtung zur Erzeugung von Fernsehprüfmustern
DE69429489D1 (de) Apparat zur Erzeugung von Röntgenbildern
DE69104276D1 (de) Anlage zur Erzeugung und zum Empfang von Ultraschall.
DE68920259D1 (de) Verfahren und Vorrichtung zum Betreiben der Lichtquelle durch einen gespeicherten Stromwert und zur Erzeugung von Information.
DE69232888D1 (de) Vorrichtung zur Erzeugung von Wellenformen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties