CA1153460A - Systeme verificateur de signatures - Google Patents

Systeme verificateur de signatures

Info

Publication number
CA1153460A
CA1153460A CA000353658A CA353658A CA1153460A CA 1153460 A CA1153460 A CA 1153460A CA 000353658 A CA000353658 A CA 000353658A CA 353658 A CA353658 A CA 353658A CA 1153460 A CA1153460 A CA 1153460A
Authority
CA
Canada
Prior art keywords
video
signal
bilevel
display
data
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
Application number
CA000353658A
Other languages
English (en)
Inventor
Ervin Weisz
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW 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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of CA1153460A publication Critical patent/CA1153460A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
    • G09G1/16—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/35—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a handwritten signature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21—Intermediate information storage
    • H04N1/2166—Intermediate information storage for mass storage, e.g. in document filing systems
    • H04N1/2179—Interfaces allowing access to a plurality of users, e.g. connection to electronic image libraries

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Library & Information Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
CA000353658A 1979-06-07 1980-06-06 Systeme verificateur de signatures Expired CA1153460A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4616179A 1979-06-07 1979-06-07
US46,161 1979-06-07

Publications (1)

Publication Number Publication Date
CA1153460A true CA1153460A (fr) 1983-09-06

Family

ID=21941943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000353658A Expired CA1153460A (fr) 1979-06-07 1980-06-06 Systeme verificateur de signatures

Country Status (3)

Country Link
CA (1) CA1153460A (fr)
FR (1) FR2458863A1 (fr)
GB (1) GB2053617A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141450A1 (de) * 1980-10-17 1982-06-03 Canon K.K., Tokyo "bildverarbeitungssystem"
GB2089165B (en) * 1980-10-30 1985-10-09 Canon Kk Character and image processing
US4562435A (en) * 1982-09-29 1985-12-31 Texas Instruments Incorporated Video display system using serial/parallel access memories
US4626837A (en) * 1983-11-17 1986-12-02 Wyse Technology Display interface apparatus
FR2634570B1 (fr) * 1988-07-22 1991-09-27 Reitter Renaud Systeme d'authentification multibiometrique
US5195133A (en) * 1991-01-11 1993-03-16 Ncr Corporation Apparatus and method for producing a digitized transaction record including an encrypted signature
KR0135778B1 (en) * 1994-11-25 1998-04-22 Samsung Electronics Co Ltd Fax with a function of managing message and the method
EP1320798A2 (fr) * 2000-09-15 2003-06-25 Electronic Business Publishing Limited Dispositif et procede permettant l'acquisition d'informations et la production d'un document signe

Also Published As

Publication number Publication date
GB2053617A (en) 1981-02-04
FR2458863A1 (fr) 1981-01-02

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Legal Events

Date Code Title Description
MKEX Expiry