William J Frank

US Patent:

43272681, Apr 27, 1982

Filed:

May 30, 1980

Appl. No.:

6/154691

Inventors:

William E. Frank - Baltimore MD

Assignee:

Westinghouse Electric Corp. - Pittsburgh PA

International Classification:

H05B 608

US Classification:

219 1077

Abstract:

Coil current loading the induction coils of an induction heating apparatus is directly sensed at the input from the tank circuit and the derived feedback current signal is used to control the power supply to the tank circuit be reference to a signal provided manually or automatically under process control. A voltage feedback signal is derived with a transformer from the input to the tank circuit for providing an input to a voltage limiter operative on the current controller when the voltage to the tank circuit exceeds an acceptable limit. A current limiter overrides the current controller to limit the load current by control of the current controller when the load becomes excessive.

US Patent:

53506693, Sep 27, 1994

Filed:

Jan 19, 1994

Appl. No.:

8/183486

Inventors:

David R. Whitcomb - Woodbury MN
William C. Frank - Roseville MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

G03C 1498

US Classification:

430618

Abstract:

Novel silver-carboxylate/1,2-diazine compounds having the formula: ##STR1## wherein: R. sup. 1 represents either an alkyl, aralkyl, cycloalkyl, or alkenyl group of up to 29 carbon atoms; or an aryl group of up to 14 carbon atoms; and and R. sup. 2 represents either hydrogen, an alkyl group, a cycloalkyl group fused to the 1,2-diazine ring, or the atoms necessary to complete a 5- or 6-membered aromatic ring fused to the 1,2-diazine ring. The novel silver-carboxylate/1,2-diazine compounds are coordination compounds of two silver-carboxylate molecules and two molecules comprising a 1,2-diazine nucleus. These compounds can serve as the silver source in a black-and-white thermographic or photothermographic element or as the oxidizing agent for a dye-based thermographic or photothermographic color-imaging construction.

US Patent:

46381384, Jan 20, 1987

Filed:

Jul 23, 1984

Appl. No.:

6/633775

Inventors:

John Rosa - Penn Hills PA
William E. Frank - Baltimore MD

Assignee:

Westinghouse Electric Corp. - Pittsburgh PA

International Classification:

H05B 604

US Classification:

219 1077

Abstract:

A two-pole inverter bridge has an inductor mounted between the two controlled switches in each pole and a resonant load is connected across the poles between ends of the inductors which are similarly situated relative to the terminals. In each pole one antiparallel circuit includes an auxiliary controlled switch and another antiparallel circuit includes only a diode. Fault protection is provided with an auxiliary source mounted between opposite ends of the inductors for applying reverse bias to the controlled switches of the poles whenever a fault in the inverter is detected.

US Patent:

54668042, Nov 14, 1995

Filed:

Jun 6, 1994

Appl. No.:

8/254552

Inventors:

David R. Whitcomb - Woodbury MN
William C. Frank - Roseville MN

Assignee:

Minnesota Mining and Manufacturing - Saint Paul MN

International Classification:

C07F 110
G03C 1498

US Classification:

544225

Abstract:

Novel silver-carboxylate/1,2-diazine compounds having the formula: ##STR1## wherein: R. sup. 1 represents either an alkyl, aralkyl, cycloalkyl, or alkenyl group of up to 29 carbon atoms; or an aryl group of up to 14 carbon atoms; and and R. sup. 2 represents either hydrogen, an alkyl group, a cycloalkyl group fused to the 1,2-diazine ring, or the atoms necessary to complete a 5- or 6-membered aromatic ring fused to the 1,2-diazine ring. The novel silver-carboxylate/1,2-diazine compounds are coordination compounds of two silver-carboxylate molecules and two molecules comprising a 1,2-diazine nucleus. These compounds can serve as the silver source in a black-and-white thermographic or photothermographic element or as the oxidizing agent for a dye-based thermographic or photothermographic color-imaging construction.

US Patent:

44711964, Sep 11, 1984

Filed:

Jun 29, 1981

Appl. No.:

6/278912

Inventors:

William E. Frank - Baltimore MD
Chuck F. Der - Sykesville MD

Assignee:

Westinghouse Electric Corp. - Pittsburgh PA

International Classification:

H05B 606

US Classification:

219 1077

Abstract:

A solid state radio frequency high power generator for induction heating applications uses MOSFET devices controlled at radio frequency by a current loop which is automatically corrected against the possible occurrence of a leading phase shift by a voltage-current phase shift detection loop which responds to digital signals corrected against inherent time delays.

US Patent:

43179797, Mar 2, 1982

Filed:

May 30, 1980

Appl. No.:

6/154692

Inventors:

William E. Frank - Baltimore MD
Erwin A. Billman - Baltimore MD

Assignee:

Westinghouse Electric Corp. - Pittsburgh PA

International Classification:

H05B 606
H01F 4006

US Classification:

219 1077

Abstract:

In an induction heating apparatus, direct sensing of the high frequency high power current flowing in the tank circuit to load the induction coils, is obtained with a coil current measuring transformer comprising one of the power current busses leading to the induction coil and a secondary winding of many ampere-turns wound around said one bus. The bus is given a half-loop shape to accommodate the secondary winding. The secondary winding is made of a magnetic core wound with many turns of Litz wire. Cooling tubes are cemented outside the wound secondary with conductive cement to form a heat sink with a circulation of cooling medium through the tube. The cement is divided in two parts separated by gaps to prevent circulation of induced currents. A cooling tube is installed between the core and wound wire to provide an internal heat sink.

US Patent:

55863124, Dec 17, 1996

Filed:

Oct 11, 1994

Appl. No.:

8/321347

Inventors:

Lucinda L. Johnson - Oakdale MN
Clayton A. Peltier - Chisago City MN
Scott H. Kuehn - St. Paul MN
William D. Frank - New Brighton MN

Assignee:

Unisys Corporation - Blue Bell PA

International Classification:

G06F 1500

US Classification:

395610

Abstract:

A system is disclosed for using an independent transaction processing application as a service routine for a client application where the independent transaction processing application is programmed for independent input and output. The independent transaction processing application does not have be reprogrammed for usage as a service routine. A transaction manager provides transaction control for a service request from the client application. A display processing system manages input and output associated with processing the service request. A database management system that is used by the independent transaction processing application distinguishes whether the transaction manager or the independent transaction processing application is providing transaction control.

Author:

William Francis Frank

ISBN #:

0245507027

Author:

William Francis Frank

ISBN #:

0245509275

Author:

William Francis Frank

ISBN #:

0245533303

Author:

William Francis Frank

ISBN #:

0245598235

Author:

William L. Frank

ISBN #:

0805771697

Author:

William A. Frank

ISBN #:

0813208955

Author:

William S. Frank

ISBN #:

0898153638

Author:

William S. Frank

ISBN #:

0898155584