Combination message and image display unit
United States Patent 3273140
US Patent References:
/1072152.html
- - 1072152

/1103294.html
- - 1103294

Electric sign
- - 1359274

Electric sign
- - 1394565

System for displaying intelligence and controlling apparatus therefor
- - 1973539


Inventors:
Foster, Jacques Y.
Thompson, Roy LE. J.
Publication Date:
09/13/1966
View Patent Images:
Download PDF 3273140 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
FAIR PLAY MFG CO
Primary Class:
345/30
Other Classes:
40/452
International Classes:
G09F13/26; G09F13/00
US Patent References:
2069851Incandescent lamp cinematographic apparatus
2121987Electrical arrangement for displaying pictures and communications
2146576Annunciator
2148450Message transmitting projecting system
2154110Display device
2221109Electric sign system
2221525Electrical system for displaying pictures and communications by means of a lamp screen
3146436Arabic numeral display having binary code conversion matrix