Frank Sohn resumes & CV records
Resumes
Frank M Sohn, Age 89Lancaster, PA
Frank Sohn Phones & Addresses
Lancaster, PA
304 Sun Valley Dr, Leola, PA 17540 (717) 656-8209
Pittsburgh, PA
1857 Apostle Way, Lancaster, PA 17603 (717) 818-6119
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Frank M Sohn
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Work
Position:
Construction and Extraction Occupations
Mentions for Frank M Sohn
Publications & IP owners
Us Patents
Color Picture Tube Having Improved Temperature Compensating Support For A Mask-Frame Assembly
US Patent:
4439709, Mar 27, 1984
Filed:
Apr 29, 1982
Appl. No.:
6/373050
Inventors:
Frank M. Sohn - Leola PA
Assignee:
RCA Corporation - New York NY
International Classification:
H01J 2907
US Classification:
313406
Abstract:
An improved color picture tube includes an evacuated envelope enclosing a mask attached to a frame, which is suspended in relation to a cathodoluminescent screen by novel support means. The tube also includes an electron gun for forming a plurality of electron beams and directing the beams through the mask to the screen. The novel support means includes a plurality of studs embedded in the envelope and a plurality of spring assemblies spaced around the frame. Each spring assembly comprises a first spring and a second spring, each spring including a central portion, two flexible portions extending from the ends of the central portion and two end portions extending from the flexible portions. The end portions of the first spring are attached to the end portions of the second spring. The central portion of the first spring is attached to the frame and the central portion of the second spring includes an aperture which is in engagement with one of the studs.
Color Picture Tube Having Mask-Frame Assembly With Reduced Thickness
US Patent:
4056755, Nov 1, 1977
Filed:
Dec 22, 1975
Appl. No.:
5/642733
Inventors:
Frank Myung-Hi Sohn - Leola PA
Assignee:
RCA Corporation - New York NY
International Classification:
H01J 2980
US Classification:
313402
Abstract:
A mask type color picture tube has a mask electrode attached to a peripheral frame having an L-shaped cross-section which is suspended within the tube adjacent a screen of the tube. The mask includes a curved apertured portion. At least an outer area of the apertured portion lies in a curved plane that passes substantially behind a part of the frame closest to the screen.
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