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Publication numberUS2440735 A
Publication typeGrant
Publication date4 May 1948
Filing date5 Jun 1943
Priority date5 Jun 1943
Publication numberUS 2440735 A, US 2440735A, US-A-2440735, US2440735 A, US2440735A
InventorsMadison Cawein
Original AssigneeFarnsworth Res Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electrooptical device
US 2440735 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)


M. cAWEIN ELECTRO0PTIGAL DEVICE Fi1ed June 5 1945 3 Sheets-Sheet 1 INVENTOR N CAWEIN Ma 4, 1948. M. CAWEIN ELECTRO0PTICAL DEvIGE F11ed June 5 1945 5 Sheetssheet 2 INVENTOR N CAWEIN ATRNEY M. CAWEIN ELEGTR001 'I`;GAL DEVIGB File;i Juns 5. 1943 3 Sheets-Sheet 3 INVENTOR

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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2459637 *29 Nov 194418 Jan 1949Motorola IncCathode-ray image-translating device
US2467462 *22 Oct 194719 Apr 1949Philco CorpElectrooptical projection apparatus
US2473320 *7 Mar 194714 Jun 1949Cossor Ltd A CCathode-ray tube
US2482151 *18 Aug 194420 Sep 1949Philips Lab IncCathode-ray projection tube
US2491072 *19 Jun 194513 Dec 1949Perkin Elmer CorpSchmidt television projector with spherical aberration corrector
US2520190 *24 Oct 194629 Aug 1950Philips Lab IncCathode-ray tube
US2540721 *9 Sep 19466 Feb 1951Motorola IncKinescope combined with simultaneously adjustable lens and viewing screen
US2637829 *15 Mar 19525 May 1953Victor TradProjection tube with movable target electrode
US2663012 *30 Jan 195215 Dec 1953Beers John RProjection television tube
US2683816 *13 Mar 195013 Jul 1954Optische Ind De Oude Delft NvSchmidt light amplifier
US2692346 *4 May 195319 Oct 1954Victor TradProjection tube with electrically movable target electrode
US3771004 *2 Feb 19726 Nov 1973IttReflective multiplier phototube
US4365183 *17 Feb 198121 Dec 1982Kloss Henry EProjection televison tube and process for forming same
US4409515 *24 Jul 198111 Oct 1983Kloss Henry EProjection television tube and process for forming same
U.S. Classification313/371, 313/111, 313/113, 313/110, 313/381, 348/325, 348/335
International ClassificationH01J31/08, H01J31/30, H01J29/89, H01J31/48, H01J31/28
Cooperative ClassificationH01J29/89, H01J31/30, H01J31/48, H01J2229/893, H01J31/28
European ClassificationH01J31/30, H01J31/28, H01J29/89, H01J31/48