1
Jay M Prager, Roman Y Gonzales: Readily expandable input/output construction for programmable controller. Gould, Mattern Ware Stoltz & Fressola, December 17, 1985: US04558914 (112 worldwide citation)

By providing an input/output module which incorporates post means formed thereon and slider means connected thereto and movable into and out of locking engagement with the post means of an adjacent module, a unique input/output module is achieved that is rapidly mounted to an adjacent module as well ...


2
Patrizio Vinciarelli, Jay M Prager: Transformer with controlled interwinding coupling and controlled leakage inducances and circuit using such transformer. VLT Corporation, Fish & Richardson P C, February 17, 1998: US05719544 (51 worldwide citation)

A transformer in which a magnetic medium provides flux paths within the medium, two or more windings enclose the flux paths at separated locations along the paths, and an electrically conductive medium, arranged in the vicinity of the magnetic medium and the windings, defines a boundary within which ...


3
Jay M Prager, Joseph F Sadlow, John K Nitzsche, Thomas A Nikonchuk, John E Farrand, Roman Gonzales, Hiroshi Matsumoto: Universal input/output system construction for programmable controllers. Gould, Mattern Ware Davis & Stoltz, January 27, 1981: US04247882 (46 worldwide citation)

By providing an input/output housing which incorporates paired slider assemblies for supportingly maintaining a printed circuit board in secure electronic engagement between a central processor and external devices, with said printed circuit board being quickly and easily removable from the electron ...


4
Patrizio Vinciarelli, Jay M Prager: Boost switching power conversion. VLT Corporation, Fish & Richardson, June 14, 1994: US05321348 (43 worldwide citation)

Boost switching power conversion involves an apparatus for controlling transfer of power from an input voltage source to an output voltage sink. The apparatus includes a switch for controllably permitting or inhibiting delivery of current from the source to the output sink when the switch is off or ...


5
Jay M Prager, Joseph F Sadlow, John K Nitzsche: Solid state device mounting and heat dissipating assembly. Gould, Mattern Ware Stoltz & Fressola, September 8, 1981: US04288839 (34 worldwide citation)

By providing a retaining surface, upon which a solid state device is positioned, and a device securing means movable into and out of compression engagement with a portion of the solid state device, for securely mounting and retaining the device in sandwiched interengagement between the securing mean ...


6
Patrizio Vinciarelli, Jay M Prager: Zero current switching forward power conversion apparatus and method with controllable energy transfer. VLT Corporation, Fish & Richardson, August 10, 1993: US05235502 (24 worldwide citation)

An improved forward converter switching at zero-current incorporates a mechanism for selectively regulating the amount of forward energy which is delivered to a load during each converter operating cycle. Energy is transferred from a voltage source toward a load in discrete packets via a small effec ...


7
Jay M Prager, Joseph F Sadlow, John E Farrand, Thomas A Boissevain, Roman Y Gonzales: Modular panel construction for programmable controller. Modicon Division Gould, Mattern Ware Davis & Stoltz, July 29, 1980: US04215386 (24 worldwide citation)

By providing a plurality of input/output housings which are removably connected to a controller interconnecting duct, with each input/output housing accommodating a plurality of input/output modules that are quickly and easily removably connected thereto, an input/output assembly for a programmable ...


8
Patrizio Vinciarelli, Jay M Prager: Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer. VLT Corporation, Fish & Richardson P C, November 25, 2003: US06653924 (19 worldwide citation)

A transformer in which a magnetic medium provides flux paths within the medium, two or more windings enclose the flux paths at separated locations along the paths, and an electrically conductive medium, arranged in the vicinity of the magnetic medium and the windings, defines a boundary within which ...


9
Patrizio Vinciarelli, Jay M Prager: Voltage-compliant DC-DC converter module. VLT Corporation, Fish & Richardson, February 11, 1992: US05088016 (17 worldwide citation)

A voltage-compliant power converter module which converts power from an input source for delivery to a load, the load being external to the voltage-compliant converter module and including an external filter capacitance of value Ce for providing ripple filtering of the load voltage delivered to the ...


10
Patrizio Vinclarelli, Jay M Prager, Fred M Finnemore: Conductive winding. VLT Corporation, Fish & Richardson, June 27, 1995: US05428337 (16 worldwide citation)

A generally helical cut is made in a tubular conductive piece to form a winding, the winding having spaces between successive turns. The winding is axially compressed to reduce the spaces. One or more of the windings may be combined with one or more pieces of permeable or non-permeable material to f ...