Robert B Schultz

US Patent:

20060191878, Aug 31, 2006

Filed:

Feb 28, 2005

Appl. No.:

11/069017

Inventors:

Israel Stol - Pittsburgh PA, US
Vladimir Nesterenkov - Kiev, UA
Robert Schultz - Leechburg PA, US
Peter Vranka - Apollo PA, US

International Classification:

B23K 9/00
B23K 9/02

US Classification:

219121460

Abstract:

A method of preparing a faying surface of a component for fusion welding includes plastically deforming a surface layer adjacent a faying surface of said component. If necessary, the faying surface is machined smooth after the surface layer is plastically deformed.

US Patent:

39872408, Oct 19, 1976

Filed:

Jun 26, 1974

Appl. No.:

5/483208

Inventors:

Robert T. Schultz - Glendora CA

Assignee:

Glentronics/Division of Sawyer Industries, Inc. - Glendora CA

International Classification:

H04M 710

US Classification:

178 6

Abstract:

A direct current power supply system for providing power, including standby, to coaxial cable amplifiers in community antenna television networks. Alternating current is rectified and used to power coaxial cable amplifiers spaced along the cable and to maintain a full charge on a storage battery which is continually connected to the input of the cable. In the event of failure of the commercial primary power source, the battery feeds power to the cable amplifiers. Provision may be made for selectively reversing the output of the power supply to insure that there will be no corrosion deposits caused by electrolysis. Finally, the invention also provides circuitry for protecting the storage battery from excessive discharge during power failures of long duration.