Inventor

Lawrence P. Andrews

Inventor

Boca Raton, FL, US

Overview

1976–2001

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing57%

H04QSelecting14%

G09BEducational or demonstration appliances7%

H04BTransmission7%

H04JMultiplex communication7%

H04LTransmission of digital information, e.g. telegraphic communication7%

PatentTitleYear

6,233,643'Apparatus including a host processor and communications adapters interconnected with a bus'2001 6,065,131'Multi-speed DSP kernel and clock mechanism'2000 5,968,158'Apparatus including a host processor and communications adapters interconnected with a bus, with improved transfer of interrupts between the adapters and host processor'1999 5,883,925'Pulse code modulation compression mechanism'1999 5,771,232'Expandable local inter-system bus architecture in a multiplexed environment'1998 5,634,099'Direct memory access unit for transferring data between processor memories in multiprocessing systems'1997 5,602,848'Multi-mode TDM interface circuit'1997 5,572,695'Transparent memory mapping mechanism for a digital signal processing system'1996 5,553,293'Interprocessor interrupt processing system'1996 4,534,011'Peripheral attachment interface for I/O controller having cycle steal and off-line modes'1985 3,939,579'Interactive audio-visual instruction device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2001Patents assigned to IBM (11)· patent assignee history

1976Based in Manassas, VA, US· patent location history

1985–2001Based in Boca Raton, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	11	1976–2001

Locations

Location	Patents	Span
Boca Raton, Florida, US	10	1985–2001
Manassas, Virginia, US	1	1976