Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1976-07-16
1979-11-13
Segal, Robert
Facsimile and static presentation processing
Static presentation processing
Attribute control
313471, 313422, H01J 2972, H01J 2908, H01J 3108
Patent
active
041745230
ABSTRACT:
An evacuated envelope has a rectangular display section and a gun section at one edge of the display section. The display section includes front and back walls which are generally rectangular, in closely spaced, parallel relation, and a plurality of spaced, parallel support walls between the front and back walls forming a plurality of parallel channels. At one side of the display section is at least one keying channel which extends parallel to the channels of the display section. The gun section extends across one end of the channels and includes therein gun structure which will direct electrons into the channels. In each of the channels is a beam guide which confines the electrons in a beam and guides the beam along the length of the channel; means for selectively deflecting the electron beam out of the guide toward the front wall at selective points along the guide so that in the display channels the beams will impinge upon a phosphor screen along the inner surface of the front wall; and a scanning deflector which deflects the path of the beam transversely across its channel as the beam passes from the guide to the front wall so that each of the beams in the display channels will scan a portion of the phosphor screen. In the keying channel is means for detecting the position of the beam as it is deflected transversely across the channel along the entire length of the deflected path of the beam.
REFERENCES:
patent: 2727184 (1955-12-01), Miller et al.
patent: 2827591 (1958-03-01), Bowie
patent: 2892020 (1959-06-01), Sziklai
patent: 2942145 (1960-06-01), Sleeper
patent: 2943219 (1960-06-01), Bryan
patent: 4028582 (1977-06-01), Anderson et al.
Anderson Charles H.
Marlowe Frank J.
Bruestle Glenn H.
Cohen Donald S.
Haas George E.
RCA Corporation
Segal Robert
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