Inventor

RATHBUN DONALD J

US18 patents

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

RATHBUN DONALD J

HONEYWELL INF SYSTEMS

Synchronization control system for firmware access of high data rate transfer bus

Mass storage disk drive defective media handling

Diskette read data recovery system

Single revolution disk sector formatter

FIFO look-ahead system

Write precompensation system

Apparatus, including delay means, for sampling and recovering data recorded by the double transition recording technique

Range count and main memory address accounting system

Write precompensation and write encoding for FM and MFM recording

Digital read recovery with variable frequency compensation using read only memories

Disk subsystem read write control

Double density read recovery

Digital frequency modulation and modified frequency modulation read recovery with data separation

BULL HN INFORMATION SYST

Bus monitor with time stamp means for independently capturing and correlating events

Bus monitor with selective capture of independently occuring events from multiple sources

Bus monitor with means for selectively capturing trigger conditions

Dual FIFO peripheral with combinatorial logic circuitry

Bus monitor with dual port memory for storing selectable trigger patterns