DE3483416D1 - Schaltung zur auswahl und verriegelung eines betriebsfunktionsschaltkreises. - Google Patents

Schaltung zur auswahl und verriegelung eines betriebsfunktionsschaltkreises.

Info

Publication number
DE3483416D1
DE3483416D1 DE8484402281T DE3483416T DE3483416D1 DE 3483416 D1 DE3483416 D1 DE 3483416D1 DE 8484402281 T DE8484402281 T DE 8484402281T DE 3483416 T DE3483416 T DE 3483416T DE 3483416 D1 DE3483416 D1 DE 3483416D1
Authority
DE
Germany
Prior art keywords
circuit
locking
selecting
operating function
function circuit
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 - Fee Related
Application number
DE8484402281T
Other languages
English (en)
Inventor
Thomas Courtenay Porcher
Morgan Ernst Robinson
David Bruce Hughes
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment Corp
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 Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of DE3483416D1 publication Critical patent/DE3483416D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/021—Arrangements integrating additional peripherals in a keyboard, e.g. card or barcode reader, optical scanner

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)
  • Digital Computer Display Output (AREA)
DE8484402281T 1983-11-14 1984-11-12 Schaltung zur auswahl und verriegelung eines betriebsfunktionsschaltkreises. Expired - Fee Related DE3483416D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/551,009 US4667307A (en) 1983-11-14 1983-11-14 Circuit for selecting and locking in operation function circuitry

Publications (1)

Publication Number Publication Date
DE3483416D1 true DE3483416D1 (de) 1990-11-22

Family

ID=24199451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484402281T Expired - Fee Related DE3483416D1 (de) 1983-11-14 1984-11-12 Schaltung zur auswahl und verriegelung eines betriebsfunktionsschaltkreises.

Country Status (14)

Country Link
US (1) US4667307A (de)
EP (1) EP0143045B1 (de)
JP (1) JPS60117319A (de)
KR (1) KR900004004B1 (de)
AU (1) AU579330B2 (de)
BR (1) BR8405798A (de)
CA (1) CA1221769A (de)
DE (1) DE3483416D1 (de)
DK (1) DK165029C (de)
FI (1) FI86230C (de)
GR (1) GR80896B (de)
IE (1) IE56793B1 (de)
MX (1) MX157104A (de)
ZA (1) ZA848813B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188457B (en) * 1986-03-25 1989-11-15 C & P Technology Limited Control keyboard for a multiple system accessing unit
US4951249A (en) * 1986-10-24 1990-08-21 Harcom Security Systems Corp. Method and apparatus for controlled access to a computer system
AU8232187A (en) * 1986-10-24 1988-05-25 Harcom Security Systems Corp. Computer security system
US4993931A (en) * 1988-07-21 1991-02-19 Sabel Plastechs, Inc. Apparatus for making a hollow polyethylene terephthalate blow molded article with an integral external projection such as a handle
US5642805A (en) * 1995-10-12 1997-07-01 Tefft; Brian Input device lock

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293612A (en) * 1963-03-28 1966-12-20 Rca Corp Data processing
US3353160A (en) * 1965-06-09 1967-11-14 Ibm Tree priority circuit
US3530440A (en) * 1968-08-26 1970-09-22 Hewlett Packard Co Data processing system including controllable means for directly interconnecting the input and output units
US3742466A (en) * 1971-11-24 1973-06-26 Honeywell Inf Systems Memory system for receiving and transmitting information over a plurality of communication lines
US3725877A (en) * 1972-04-27 1973-04-03 Gen Motors Corp Self contained memory keyboard
US3860808A (en) * 1972-05-09 1975-01-14 Sony Corp Electronic computer system
US3973244A (en) * 1975-02-27 1976-08-03 Zentec Corporation Microcomputer terminal system
US4137564A (en) * 1977-08-22 1979-01-30 Burroughs Corporation Intelligent computer display terminal having EAROM memory
US4255786A (en) * 1979-01-02 1981-03-10 Honeywell Information Systems Inc. Multi-way vectored interrupt capability
JPS55166731A (en) * 1979-06-13 1980-12-26 Canon Inc Data protection system
US4314164A (en) * 1979-11-05 1982-02-02 Gte Automatic Electric Labs Inc. Computer channel access circuit for multiple input-output devices
US4403303A (en) * 1981-05-15 1983-09-06 Beehive International Terminal configuration manager

Also Published As

Publication number Publication date
FI86230B (fi) 1992-04-15
DK165029B (da) 1992-09-28
IE56793B1 (en) 1991-12-18
CA1221769A (en) 1987-05-12
ZA848813B (en) 1985-07-31
EP0143045B1 (de) 1990-10-17
EP0143045A2 (de) 1985-05-29
FI844448A0 (fi) 1984-11-13
DK541084D0 (da) 1984-11-14
KR900004004B1 (ko) 1990-06-07
BR8405798A (pt) 1985-09-17
JPH0434787B2 (de) 1992-06-09
US4667307A (en) 1987-05-19
MX157104A (es) 1988-10-27
FI844448L (fi) 1985-05-15
DK541084A (da) 1985-05-15
AU579330B2 (en) 1988-11-24
EP0143045A3 (en) 1987-08-12
KR850004669A (ko) 1985-07-25
JPS60117319A (ja) 1985-06-24
GR80896B (en) 1985-01-25
IE842915L (en) 1985-05-14
DK165029C (da) 1993-02-08
FI86230C (fi) 1992-07-27
AU3539184A (en) 1985-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee