CA1243840A - Dispositif d'affichage a arriere-plan a couleurs variables - Google Patents

Dispositif d'affichage a arriere-plan a couleurs variables

Info

Publication number
CA1243840A
CA1243840A CA000541425A CA541425A CA1243840A CA 1243840 A CA1243840 A CA 1243840A CA 000541425 A CA000541425 A CA 000541425A CA 541425 A CA541425 A CA 541425A CA 1243840 A CA1243840 A CA 1243840A
Authority
CA
Canada
Prior art keywords
colour
display
background
light
composite
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
CA000541425A
Other languages
English (en)
Inventor
Karel Havel
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.)
Texas Digital Systems Inc
Original Assignee
Individual
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
Priority to US06/882,430 priority Critical patent/US4734619A/en
Priority claimed from US06/882,430 external-priority patent/US4734619A/en
Application filed by Individual filed Critical Individual
Priority to GB8805650A priority patent/GB2215509A/en
Priority to MYPI88000271A priority patent/MY101955A/en
Priority to IN560/CAL/88A priority patent/IN169804B/en
Application granted granted Critical
Publication of CA1243840A publication Critical patent/CA1243840A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)
CA000541425A 1986-07-07 1987-07-07 Dispositif d'affichage a arriere-plan a couleurs variables Expired CA1243840A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US06/882,430 US4734619A (en) 1986-07-07 1986-07-07 Display device with variable color background
GB8805650A GB2215509A (en) 1986-07-07 1988-03-10 Display device with variable colour background
MYPI88000271A MY101955A (en) 1986-07-07 1988-05-16 Display device with variable colour background
IN560/CAL/88A IN169804B (fr) 1987-07-07 1988-07-06

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/882,430 US4734619A (en) 1986-07-07 1986-07-07 Display device with variable color background
US06/882,430 1986-07-07

Publications (1)

Publication Number Publication Date
CA1243840A true CA1243840A (fr) 1988-11-01

Family

ID=25380561

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000541425A Expired CA1243840A (fr) 1986-07-07 1987-07-07 Dispositif d'affichage a arriere-plan a couleurs variables

Country Status (1)

Country Link
CA (1) CA1243840A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry