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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
Images(3)
Previous page
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Claims  available in
Description  (OCR text may contain errors)

FIG

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

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2166399 *30 Jan 193618 Jul 1939Rca CorpTelevision and like receiver
US2191590 *6 Nov 193627 Feb 1940Firm Fernseh AgTelevision apparatus
US2195470 *2 Mar 19372 Apr 1940Telefunken GmbhCathode ray tube deflection system
US2200166 *17 Aug 19377 May 1940Farnsworth Television & RadioImage analyzing and dissecting tube
US2211613 *14 Aug 193613 Aug 1940Hygrade Sylvania CorpCathode ray tube
US2264630 *11 Mar 19402 Dec 1941Farnsworth Television & RadioDissector tube
US2273801 *30 Dec 193817 Feb 1942Rca CorpTelevision receiver
US2274586 *25 Feb 193924 Feb 1942Philco Radio & Television CorpCathode ray tube
US2295779 *17 Aug 194015 Sep 1942Rca CorpProjection apparatus
US2295802 *1 Jul 194115 Sep 1942Rca CorpReflective optical system
US2298808 *26 Apr 194113 Oct 1942Rca CorpTelevision projection system
US2305855 *31 Jul 194122 Dec 1942Rca CorpTelevision apparatus
US2336134 *13 May 19427 Dec 1943Rauland CorpColor television system
GB463891A * Title not available
GB487241A * Title not available
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
Classifications
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