1
Michael D Good, James B Munson: Torque motor as a tactile feedback device in a computer system. Digital Equipment Corporation, Ronald E Myrick, Barry N Young, Ronald C Hudgens, February 9, 1993: US05185561 (295 worldwide citation)

A hand held, one dimensional, torque feedback device is used to feel and manipulate computer generated visual information and associated torque forces. In the preferred embodiment, molecular bond data is manipulated in a virtual reality system. The device can also be used with a workstation generate ...


2
Peter G Anick, Jeffrey D Brennan, Rex A Flynn, Bryan Alvey, David R Hanssen, Jeffrey M Robbins: Direct manipulation interface for Boolean information retrieval. Digital Equipment Corporation, Ronald E Myrick, Barry N Young, Ronald C Hudgens, December 29, 1992: US05175814 (143 worldwide citation)

A method and apparatus that translates a natural language query into a Boolean expression to be used to search a database. The Boolean expression is displayed on a screen so that the user can alter the Boolean expression using a mouse or similar input device and re-execute the search. The manipulati ...


3
Butler W Lampson, William R Hawe, Amar Gupta, Barry A Spinney: Pipelined cryptography processor and method for its use in communication networks. Digital Equipment Corporation, A Sidney Johnston, Ronald E Myrick, Barry N Young, November 3, 1992: US05161193 (108 worldwide citation)

Cryptographic apparatus, and a related method for its operation, for in-line encryption and decryption of data packets transmitted in a communication network. A full-duplex cryptographic processor is positioned between two in-line processing entities of a network architecture. For example, in a fibe ...


4
Radia J Perlman, William Hawe, Anthony Lauck: Utilization of redundant links in bridged networks. Digital Equipment Corporation, A Sidney Johnston, Ronald E Myrick, Barry N Young, September 22, 1992: US05150360 (81 worldwide citation)

A method and related apparatus for establishing a point-to-point cross-link between two bridges in a bridged communication network. The bridged communication network is first configured in a loop-free arrangement by a spanning tree algorithm that selects which links of every bridge to activate in or ...


5
Alexander Metsler: Method and apparatus for a PCB and I/O integrated electromagnetic containment. Digital Equipment Corporation, Dirk Brinkman, Barry Young, Ronald E Myrick, November 17, 1992: US05165055 (80 worldwide citation)

An integrated electromagnetic and radio frequency interference (EMI/RFI) shielding apparatus contains EMI/RFI produced by a computer system. In particular the apparatus isolates input/output (I/O) connectors of the computer system from EMI/RFI produced by noisy components of the system. The shieldin ...


6
Charles R Barker III, Richard J Casabona, David M Fenwick: Package for EMI, ESD, thermal, and mechanical shock protection of circuit chips. Digital Equipment Corporation, Clayton L Satow, Barry N Young, Ronald E Myrick, December 29, 1992: US05175613 (70 worldwide citation)

A package for integrated circuit chips, or other electrical devices, provides mechanical shock and thermal protection for the chips, and in addition, protects the chips from electromagnetic interference and electrostatic discharge. The package includes a printed wiring board base for reception of on ...


7
Mark P Woodbury, Richard E Hudnall, Philip G Hunt: Method and apparatus for providing high performance interconnection between interface circuits coupled to information buses. Digital Equipment Corporation, Ronald E Myrick, Barry N Young, Ronald C Hudgens, March 2, 1993: US05191581 (70 worldwide citation)

Methods and apparatus are provided for interconnecting first and second information buses each having a plurality of data lines. A pair of unidirectional information paths each consisting of twisted-pair cables are provided, along with a 25 MHz strobe. Information is transmitted using pseudo-ECL sig ...


8
Charles P Thacker: Apparatus and method for distributed dynamic priority arbitration for access to a shared resource. Digital Equipment Corporation, A Sidney Johnston, Ronald E Myrick, Barry N Young, March 9, 1993: US05193197 (64 worldwide citation)

In a data processing system in which resource units are shared by a plurality of processing units, an arbitration unit is disclosed wherein the priority assigned to each processing unit is dynamically assigned to equalize accessibility to the shared resource. A signal path, associated with each poss ...


9
Barry A Spinney, Henry S Yang, William R Hawe: Station-to-station full duplex communication in a token ring local area network. Digital Equipment Corporation, Ronald E Myrick, John G Mesaros, A Sidney Johnston, October 13, 1992: US05155726 (63 worldwide citation)

A technique for establishing and maintaining full duplex communication between two stations connected to a token ring network, without physically reconfiguring the station connections or otherwise disturbing the network. In an auto-configuration full duplex mode of operation, each station ascertains ...


10
Jack Berenholz, John K Bowman: Air cooled heat exchanger for multi-chip assemblies. Digital Equipment Corporation, Clayton L Satow, Ronald E Myrick, Barry N Young, December 8, 1992: US05168919 (63 worldwide citation)

An air-cooled self-contained evaporator and condenser apparatus with no external power source, the apparatus including a cold plate having a first surface with recesses formed therein in a matrix or array corresponding to the matrix or array of chips on a multi-chip module or unit. The opposite surf ...