SE0101638L - Förfarande och anordning för signalskydd - Google Patents

Förfarande och anordning för signalskydd

Info

Publication number
SE0101638L
SE0101638L SE0101638A SE0101638A SE0101638L SE 0101638 L SE0101638 L SE 0101638L SE 0101638 A SE0101638 A SE 0101638A SE 0101638 A SE0101638 A SE 0101638A SE 0101638 L SE0101638 L SE 0101638L
Authority
SE
Sweden
Prior art keywords
signals
keyboard
protection method
signal protection
fed
Prior art date
Application number
SE0101638A
Other languages
Unknown language ( )
English (en)
Other versions
SE522004C2 (sv
SE0101638D0 (sv
Inventor
Risto Paavilainen
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20284048&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE0101638(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of SE0101638D0 publication Critical patent/SE0101638D0/sv
Priority to SE0101638A priority Critical patent/SE522004C2/sv
Application filed by Comex Electronics Ab filed Critical Comex Electronics Ab
Priority to PCT/SE2002/000904 priority patent/WO2002091589A1/en
Priority to US10/477,178 priority patent/US7356626B2/en
Priority to AT02733675T priority patent/ATE324710T1/de
Priority to JP2002587934A priority patent/JP5177930B2/ja
Priority to DE60210952T priority patent/DE60210952T2/de
Priority to EP02733675A priority patent/EP1393452B1/en
Publication of SE0101638L publication Critical patent/SE0101638L/sv
Priority to ZA200308710A priority patent/ZA200308710B/xx
Publication of SE522004C2 publication Critical patent/SE522004C2/sv

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE0101638A 2001-05-09 2001-05-09 Förfarande och anordning för att minska förekomsten av röjande signaler från ett tangentbord SE522004C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0101638A SE522004C2 (sv) 2001-05-09 2001-05-09 Förfarande och anordning för att minska förekomsten av röjande signaler från ett tangentbord
EP02733675A EP1393452B1 (en) 2001-05-09 2002-05-08 Method and device for signal protection
PCT/SE2002/000904 WO2002091589A1 (en) 2001-05-09 2002-05-08 Method and device for signal protection
DE60210952T DE60210952T2 (de) 2001-05-09 2002-05-08 Verfahren und einrichtung zum signalschutz
US10/477,178 US7356626B2 (en) 2001-05-09 2002-05-08 Method and device for signal protection
AT02733675T ATE324710T1 (de) 2001-05-09 2002-05-08 Verfahren und einrichtung zum signalschutz
JP2002587934A JP5177930B2 (ja) 2001-05-09 2002-05-08 信号保護のための方法と装置
ZA200308710A ZA200308710B (en) 2001-05-09 2003-11-07 Method and device for signal protection.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0101638A SE522004C2 (sv) 2001-05-09 2001-05-09 Förfarande och anordning för att minska förekomsten av röjande signaler från ett tangentbord

Publications (3)

Publication Number Publication Date
SE0101638D0 SE0101638D0 (sv) 2001-05-09
SE0101638L true SE0101638L (sv) 2002-11-10
SE522004C2 SE522004C2 (sv) 2004-01-07

Family

ID=20284048

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0101638A SE522004C2 (sv) 2001-05-09 2001-05-09 Förfarande och anordning för att minska förekomsten av röjande signaler från ett tangentbord

Country Status (8)

Country Link
US (1) US7356626B2 (sv)
EP (1) EP1393452B1 (sv)
JP (1) JP5177930B2 (sv)
AT (1) ATE324710T1 (sv)
DE (1) DE60210952T2 (sv)
SE (1) SE522004C2 (sv)
WO (1) WO2002091589A1 (sv)
ZA (1) ZA200308710B (sv)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792466A (en) * 1972-05-31 1974-02-12 Mos Technology Inc Keyboard entry system with n-key rollover and n-key lockout protection
US4035794A (en) * 1975-11-19 1977-07-12 Harris Corporation Radiation suppressed keyboard
US4918445A (en) * 1988-07-20 1990-04-17 Hewlett-Packard Company Scanning, row-column type keyboard
US5297201A (en) * 1992-10-13 1994-03-22 J.D. Technologies, Inc. System for preventing remote detection of computer data from tempest signal emissions
US5495389A (en) * 1993-10-08 1996-02-27 International Business Machines Corporation Personal computer with configurational flexibility and service features
FI100142B (sv) * 1995-12-14 1997-09-30 Nokia Display Products Oy Tastaturstruktur som minskar elektromagnetisk störning
GB2309872A (en) * 1996-02-05 1997-08-06 Ibm Digital display apparatus
GB2333883B (en) * 1998-01-28 2002-10-16 Markus Guenther Kuhn Low cost countermeasure against compromising electromagnetic computer emanations
US6054940A (en) * 1998-02-09 2000-04-25 Gilbarco Inc. Keypad scanning security system
US6721423B1 (en) * 1999-01-28 2004-04-13 Ross J. Anderson Lost cost countermeasures against compromising electromagnetic computer emanations
US6413103B1 (en) * 2000-11-28 2002-07-02 Apple Computer, Inc. Method and apparatus for grounding microcoaxial cables inside a portable computing device
TWI273771B (en) * 2002-04-30 2007-02-11 Lite On Technology Corp Method for improving EMC of keyboard soft board

Also Published As

Publication number Publication date
US20040212520A1 (en) 2004-10-28
JP5177930B2 (ja) 2013-04-10
DE60210952T2 (de) 2007-01-25
DE60210952D1 (de) 2006-06-01
WO2002091589A1 (en) 2002-11-14
JP2004533052A (ja) 2004-10-28
EP1393452B1 (en) 2006-04-26
SE522004C2 (sv) 2004-01-07
SE0101638D0 (sv) 2001-05-09
ZA200308710B (en) 2004-09-28
US7356626B2 (en) 2008-04-08
ATE324710T1 (de) 2006-05-15
EP1393452A1 (en) 2004-03-03

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Legal Events

Date Code Title Description
INVA Invalidation by the court