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1. WO1991000580 - BACKLIT DIGITIZER TABLET

Publication Number WO/1991/000580
Publication Date 10.01.1991
International Application No. PCT/US1990/003584
International Filing Date 22.06.1990
Chapter 2 Demand Filed 23.01.1991
IPC
G06F 3/033 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
033Pointing devices displaced or positioned by the user; Accessories therefor
G09F 13/00 2006.01
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
13Illuminated signs; Luminous advertising
G09F 13/04 2006.01
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
13Illuminated signs; Luminous advertising
04Signs, boards, or panels, illuminated from behind the insignia
CPC
G06F 3/041
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
G09F 13/00
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
13Illuminated signs; Luminous advertising
G09F 2013/0459
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
13Illuminated signs; Luminous advertising
04Signs, boards or panels, illuminated from behind the insignia
0418Constructional details
0459Indicating exit way or orientation
Applicants
  • SUMMAGRAPHICS CORPORATION [US/US]; Sixty Silvermine Road Seymour, CT 06483, US
Inventors
  • SIEFER, David, A.; US
  • PURCELL, Alexander, M.; US
Agents
  • DeROSA, Frank, J.; Rosen, Dainow & Jacobs 489 Fifth Avenue New York, NY 10017, US
Priority Data
370,91323.06.1989US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BACKLIT DIGITIZER TABLET
(FR) TABLETTE DE NUMERISEUR ECLAIREE PAR L'ARRIERE
Abstract
(EN)
A backlit digitizer tablet (10) providing uniform illumination of the working surface (24), comprising biaxial fluorescent lamps (20) supplying wide-area light emission under a sandwich top construction including an apertured shield electrode (35), a first clear spacer (40), an electrode array (45), a second clear spacer (50), and a translucent top (55), with optically transparent supports (60) for the top.
(FR)
Tablette de numériseur éclairée par l'arrière (10) assurant un éclairage uniforme de la surface de travail (24), comprenant des lampes fluorescentes biaxiales (20) fournissant une émission de lumière à surface large sous une construction de surface supérieure en sandwich comprenant une électrode de blindage à trous (35), une première pièce d'espacement claire (40), un réseau d'électrodes (45), une seconde pièce d'espacement claire (50), ainsi qu'une partie supérieure translucide (55) dotée de supports transparents (60).
Also published as
Latest bibliographic data on file with the International Bureau