HK3290A - Computer system and key input apparatus for use in the computer system - Google Patents

Computer system and key input apparatus for use in the computer system Download PDF

Info

Publication number
HK3290A
HK3290A HK32/90A HK3290A HK3290A HK 3290 A HK3290 A HK 3290A HK 32/90 A HK32/90 A HK 32/90A HK 3290 A HK3290 A HK 3290A HK 3290 A HK3290 A HK 3290A
Authority
HK
Hong Kong
Prior art keywords
computer system
rom
keyboard
software
key input
Prior art date
Application number
HK32/90A
Other languages
English (en)
Inventor
Kawamura Masanao
Original Assignee
Cadam Systems Company Inc
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 Cadam Systems Company Inc filed Critical Cadam Systems Company Inc
Publication of HK3290A publication Critical patent/HK3290A/xx

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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • G06F21/123—Restricting unauthorised execution of programs by using dedicated hardware, e.g. dongles, smart cards, cryptographic processors, global positioning systems [GPS] devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Human Computer Interaction (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Storage Device Security (AREA)
HK32/90A 1985-05-14 1990-01-18 Computer system and key input apparatus for use in the computer system HK3290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60100585A JP2553495B2 (ja) 1985-05-14 1985-05-14 プログラム鍵盤機構

Publications (1)

Publication Number Publication Date
HK3290A true HK3290A (en) 1990-01-25

Family

ID=14277959

Family Applications (1)

Application Number Title Priority Date Filing Date
HK32/90A HK3290A (en) 1985-05-14 1990-01-18 Computer system and key input apparatus for use in the computer system

Country Status (9)

Country Link
EP (1) EP0201628B1 (de)
JP (1) JP2553495B2 (de)
KR (1) KR900002349B1 (de)
CN (1) CN85105985B (de)
AU (2) AU556098B1 (de)
CA (1) CA1246240A (de)
DE (2) DE201628T1 (de)
GB (1) GB2175422B (de)
HK (1) HK3290A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2544101B2 (ja) * 1985-05-23 1996-10-16 株式会社 メルコ コンピユ−タプログラムの盗用防止装置
FR2608290A1 (fr) * 1986-12-11 1988-06-17 Mors Dispositif de protection de poste informatique a clavier
FR2622319A1 (fr) * 1987-10-27 1989-04-28 Guerri Jean Support de logiciel a protection contre la copie et dispositif de mise en oeuvre d'un logiciel a protection contre la copie
GB2222281A (en) * 1988-08-27 1990-02-28 Simon Keith Watson Preventing unauthorised use of copies of computer software
FR2656440A1 (fr) * 1989-12-22 1991-06-28 Neagu Mircea Systeme pour appairer de maniere specifique un peripherique de controle de pointeur ou d'entree, et un poste informatique muni d'un ecran.
FR2662280B1 (fr) * 1990-05-16 1992-08-07 Telemecanique Procede de gestion des droits d'utilisation de plusieurs logiciels sur un poste de travail informatique et systeme pour sa mise en óoeuvre.
JPH0635566A (ja) * 1992-07-15 1994-02-10 Mitsubishi Electric Corp 電子機器
US5500810A (en) * 1993-04-28 1996-03-19 Yozan Inc. Filter device with memory test circuit
CN1095112C (zh) * 1999-10-14 2002-11-27 盖内蒂克瓦尔有限公司 具安全密码认证的键盘装置及其方法
US7602655B2 (en) * 2006-01-12 2009-10-13 Mediatek Inc. Embedded system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5759248A (en) * 1980-09-27 1982-04-09 Sofuia Syst:Kk Prevention device for surreptitious use of program
JPS57137957A (en) * 1981-02-20 1982-08-25 Hitachi Ltd Terminal connection system
JPS5872225A (ja) * 1981-10-27 1983-04-30 Fujitsu Ltd モ−ドロツク機能を有するデ−タ処理装置
CA1183276A (en) * 1981-11-25 1985-02-26 Charles B. Heffron Method for identifying a system-allied physically separable program memory and a data processing system utilizing said method
EP0084441A3 (de) * 1982-01-19 1984-08-22 Tabs Limited Verfahren und Einrichtung zur Sicherung von Computer-Software-Eigentum
FR2523745B1 (fr) * 1982-03-18 1987-06-26 Bull Sa Procede et dispositif de protection d'un logiciel livre par un fournisseur a un utilisateur
JPS58195975A (ja) * 1982-05-12 1983-11-15 Canon Inc 電子機器の使用者認識パツク
US4462076A (en) * 1982-06-04 1984-07-24 Smith Engineering Video game cartridge recognition and security system
FR2528196B1 (fr) * 1982-06-07 1988-05-27 Fortune Systems Corp Appareil de protection de programmes d'ordinateur
GB8302096D0 (en) * 1983-01-26 1983-03-02 Int Computers Ltd Software protection in computer systems
CH659143A5 (de) * 1983-02-01 1986-12-31 Minibit Ag Programmtaxiervorrichtung fuer rechenanlagen.
SE8303021A0 (sv) * 1983-05-30 1984-12-01 Dialogue Switching Technologies Ltd Anordning vid en dataterminal ansluten till ett kommunikationsnät
JPS6024640A (ja) * 1983-07-20 1985-02-07 Toshiba Corp 機密保護装置
FR2550638A1 (fr) * 1983-08-11 1985-02-15 Christophe Leveque Dispositif de protection de logiciels utilises par un ordinateur connecte a au moins un terminal peripherique
GB8323283D0 (en) * 1983-08-31 1983-10-05 Univ Strathclyde Copyright protection device
JPS60116537U (ja) * 1984-01-18 1985-08-07 竹林　春海 電子計算機プログラム盗用防止器
US4791565A (en) * 1984-06-20 1988-12-13 Effective Security Systems, Inc. Apparatus for controlling the use of computer software

Also Published As

Publication number Publication date
DE201628T1 (de) 1987-04-30
JPS61259338A (ja) 1986-11-17
CN85105985A (zh) 1987-02-18
JP2553495B2 (ja) 1996-11-13
KR900002349B1 (ko) 1990-04-12
GB2175422B (en) 1988-11-23
GB2175422A (en) 1986-11-26
CA1246240A (en) 1988-12-06
KR860009336A (ko) 1986-12-22
GB8519944D0 (en) 1985-09-18
EP0201628B1 (de) 1991-06-19
AU556098B1 (en) 1986-10-23
EP0201628A1 (de) 1986-11-20
AU4835185A (en) 1985-10-07
DE3583294D1 (de) 1991-07-25
CN85105985B (zh) 1987-02-18

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)