1
Rooshabh Varaiya, David S Ng, Armando Pauker, Joerg U Ferchau: Fault tolerant modular subsystems for computers. Tandem Computers Incorporated, Townsend and Townsend, June 28, 1988: US04754397 (246 worldwide citation)

A fault tolerant computing facility is disclosed. The facility includes a housing array for containing a plurality of hardware element modules such as disk drives, a plurality of modularized power supplies and plural power distribution modules, each being connected to a separate source of primary fa ...


2
Joerg U Ferchau, Kenneth A Kotyuk, Randall J Diaz: Electronic assembly with improved grounding and EMI shielding. Tandem Computers Incorporated, Townsend & Townsend Khourie & Crew, May 10, 1994: US05311408 (86 worldwide citation)

An electronic assembly includes an electronic module mountable to a backplane having a ground plane for grounding and EMI shielding. The electronic module includes a conductive chassis having a floating chassis board. Interface connectors are mounted to the chassis board and to the backplane and mat ...


3
Joerg U Ferchau, Hoa V Pham, Randall J Diaz: Electronic module interconnection system. Tandem Computers Incorporated, Townsend and Townsend, February 6, 1990: US04899254 (54 worldwide citation)

A system interconnects electronic modules with one another, to a power supply and to signal lines through a printed circuit board. The modules are electrically connected to traces on the printed circuit board using blind mateable connectors. EMI shielding plates are mounted to the circuit board at t ...


4
Joerg U Ferchau, Melvin J Phillips: Injector/ejector latch lock mechanism. Townsend and Townsend Khourie and Crew, June 21, 1994: US05321962 (33 worldwide citation)

A latch/ejector mechanism (2), designed for use with components (6) such as power supplies, computer modules and circuit boards, is used to secure a component to and release the component from a housing (104) by engaging and disengaging a catch element (96) on the housing. The mechanism includes a h ...


5
Joerg U Ferchau, Hoa V Pham, Randall J Diaz: Electronic module interconnection system. Tandem Computers Incorporated, Townsend and Townsend, October 30, 1990: US04967311 (32 worldwide citation)

A system interconnects electronic modules with one another, to a power supply and to signal lines through a printed circuit board. The modules are electrically connected to traces on the printed circuit board using blind mateable connectors. EMI shielding plates are mounted to the circuit board at t ...


6
Joerg U Ferchau, Victor D Trujillo: Alignment and connection mechanism. Tandem Computers Incorporated, Townsend and Townsend, July 28, 1987: US04682833 (19 worldwide citation)

A storage unit for an array of modular assemblies, such as disk drives, includes a cabinet having an array of rectangular cavities open toward the front, each for receiving an assembly carrier drawer. Each carrier drawer has electrical connections for receiving an electrical assembly in the drawer. ...


7
Joerg U Ferchau, Robert E Smith, Hoa Pham, Victor Trujillo, Randall J Diaz, Josonando Joson: Packaging system. Tandem Computers Incorporated, Townsend and Townsend Khourie and Crew, March 8, 1994: US05291838 (8 worldwide citation)

A packaging system for components of a computing system includes an external, modularized, ecto-skeletal support frame for supporting a plurality of uniformly, horizontally dimensioned cabinets in stacked arrangement. The support frame is formed from a plurality of support shelves that form the supp ...


8
Joerg U Ferchau, Hugh M Davis Jr, Christopher A Hunt: Insertion/extraction mechanism for blind pluggable modules. Tandem Computers Incorporated, Townsend and Townsend, March 27, 1990: US04911647 (3 worldwide citation)

An insertion/extraction mechanism is used to cause blind mateable electrical connectors on an electrical module to engage and disengage mating electrical connectors in a housing by forcing the module to and from its fully inserted position within the housing. The mechanism includes a U-shaped handle ...


9
Joerg U Ferchau, Kenneth A Kotyuk: Circuit board barrier guide. Tandem Computers Incorporated, Townsend and Townsend, January 24, 1989: US04800463 (3 worldwide citation)

The invention is directed to a combined guide and barrier for the edge mounting of ciruit boards within a housing. The barrier guides are designed to be used in multiples in high density packing applications. The barrier guide includes a top, a bottom and a barrier extending between the top and bott ...


10