Inventor

SCHUMACHER RICHARD A

US49 patents

⚠️ This page may combine multiple inventors who share the name “SCHUMACHER RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHUMACHER RICHARD A

COMMSCOPE INC

Communication connector having a printed circuit board with thin conductive layers

Communication plug having a printed circuit board with surface mounted blades

Communications plugs and patch cords with mode conversion control circuitry

Patch cord having a plug with differential transmission lines

Communication plug having a plurality of coupled conductive paths

Patch cord having a plug contact with a signal injection point in its middle

Patch cord having a plug with a conductive shield between differential pairs formed by conductors of a cable

Communications connectors including transmission lines having impedance discontinuities that improve return loss and/or insertion loss performance and related methods

Communications plugs and patch cords with mode conversion control circuitry

Communications connectors having electrically parallel sets of contacts

Printed circuit boards for communications connectors having openings that improve return loss and/or insertion loss performance and related connectors and methods

COMMSCOPE INC NORTH CAROLINA

Communications connectors including transmission lines having impedance discontinuities that improve return loss and/or insertion loss performance and related methods

RJ-45 communication plug with plug blades received in apertures in a front edge of a printed circuit board

Patch cord having a plug contact with a signal injection point in its middle

Patch cord having a plug with contacts having a curved segment extending forwardly of a front edge of a printed circuit board

Communications plugs and patch cords with mode conversion control circuitry

Printed circuit boards for communications connectors having openings that improve return loss and/or insertion loss performance and related connectors and methods

Communications connectors including transmission lines having impedance discontinuities that improve return loss and/or insertion loss performance and related methods

Crosstail-shaped conductive spacer extending rearwardly from a printed circuit board

Communication patch cord having a plug with contact blades connected to conductors of a cable

Communications plugs and patch cords with mode conversion control circuitry

RJ-45 communications plug having a printed circuit board within a housing and a lossy dielectric material inbetween

HEWLETT PACKARD DEVELOPMENT CO

Inductor or transformer having a ferromagnetic core that is formed on a printed circuit board

Electromagnetic interference shield for electronic devices on a circuit board

Modular input/output expansion system for an external computer

Double-high DIMM with dual registers and related methods

EMI enclosure having a waveguide for cables

Modular array computer with optical intercell communications pathways

Memory module with a predetermined arrangement of pins

Electro-optical connector

MEMORY PHARM CORP

Phosphodiesterase 4 inhibitors

Phosphodiesterase 4 inhibitors, including aminoindazole and aminobenzofuran analogs

Phosphodiesterase 4 inhibitors

Phosphodiesterase 4 inhibitors, including aminoindazole and aminobenzofuran analogs

Phosphodiesterase 4 inhibitors

Phosphodiesterase 4 inhibitors, including N-substituted aniline and diphenylamine analogs

1H-indazoles, benzothiazoles, 1,2-benzoisoxazoles, 1,2-benzoisothiazoles, and chromones and preparation and uses thereof

Phosphodiesterase 4 inhibitors

IBM

Printed circuit boards and cards having buried thin film capacitors and processing techniques for fabricating said boards and cards

Via fill compositions for direct attach of devices and methods for applying same

Power carrier with selective thermal performance

Method of reworking circuit panels, and circuit panels reworked thereby

Etching method for increased circuitized line width and uniformity

HEWLETT PACKARD CO

Backing plate for gate arrays or the like carries auxiliary components and provides probe access to electrical test points

Connector between a daughterboard and a motherboard for high-speed single-ended electrical signals

XIE WENGE

Indazoles, benzothiazoles, benzoisothiazoles, benzisoxazoles, and preparation and use thereof

Indazoles, benzothiazoles, benzoisothiazoles, benzisoxazoles, and preparation and uses thereof

SCHUMACHER RICHARD A

Communications connectors having frequency dependent communications paths and related methods

CONVEX COMPUTER CORP

Method and apparatus for delivering power using a multiplane power via matrix