P

Inventor

LANDRY JOHN A

US26 patents
⚠️ This page may combine multiple inventors who share the name “LANDRY JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COMPAQ COMPUTER CORP

17 patents
US5864811AJan 26, 1999

Audio circuit for use with synthesized audio signals and signals from a modem

COMPAQ COMPUTER CORP215 citations98
US5537555AJul 16, 1996

Fully pipelined and highly concurrent memory controller

COMPAQ COMPUTER CORP128 citations98
US5434997AJul 18, 1995

Method and apparatus for testing and debugging a tightly coupled mirrored processing system

COMPAQ COMPUTER CORP100 citations96
US5319523AJun 7, 1994

Card edge interconnect apparatus for printed circuit boards

COMPAQ COMPUTER CORP77 citations95
US5437042AJul 25, 1995

Arrangement of DMA, interrupt and timer functions to implement symmetrical processing in a multiprocessor computer system

COMPAQ COMPUTER CORP66 citations94
US5287531AFeb 15, 1994

Daisy-chained serial shift register for determining configuration of removable circuit boards in a computer system

COMPAQ COMPUTER CORP152 citations94
US5367689ANov 22, 1994

Apparatus for strictly ordered input/output operations for interrupt system integrity

COMPAQ COMPUTER CORP40 citations92
US5341494AAug 23, 1994

Memory accessing system with an interface and memory selection unit utilizing write protect and strobe signals

COMPAQ COMPUTER CORP34 citations92
US5651130AJul 22, 1997

Memory controller that dynamically predicts page misses

COMPAQ COMPUTER CORP41 citations91
US5201055AApr 6, 1993

Multiprocessing system includes interprocessor encoding and decoding logic used for communication between two cards through reduced addressing lines

COMPAQ COMPUTER CORP14 citations81
US5517624AMay 14, 1996

Multiplexed communication protocol between central and distributed peripherals in multiprocessor computer systems

COMPAQ COMPUTER CORP11 citations74
US5408647AApr 18, 1995

Automatic logical CPU assignment of physical CPUs

COMPAQ COMPUTER CORP12 citations74
US5404559AApr 4, 1995

Apparatus for asserting an end of cycle signal to a processor bus in a computer system if a special cycle is detected on the processor bus without taking action on the special cycle

COMPAQ COMPUTER CORP10 citations74
US5396633AMar 7, 1995

Positive pulse format noise-filter and negative pulse format extension circuit for conditioning interrupt request signals

COMPAQ COMPUTER CORP12 citations74
US5247685ASep 21, 1993

Interrupt handling in an asymmetric multiprocessor computer system

COMPAQ COMPUTER CORP5 citations63
US5884054AMar 16, 1999

Multiprocessor system including interprocessor encoding and decoding logic for communication between two cards through reduced addressing lines

COMPAQ COMPUTER CORP4 citations62
US6154804ANov 28, 2000

Multiprocessor communication using reduced addressing lines

COMPAQ COMPUTER CORP0 citations51

LANDRY JOHN A

5 patents

DEROOS STEPHEN M

2 patents

HEWLETT PACKARD DEVELOPMENT CO

1 patent

HEWLETT PACKARD DEVELOPMENT CO LP

1 patent