Inventor
RAASCH CHARLES F
US19 patents
⚠️ This page may combine multiple inventors who share the name “RAASCH CHARLES F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AST RESEARCH INC
8 patentsUS5402492AMar 28, 1995
Security system for a stand-alone computer
AST RESEARCH INC144 citations95
US5237692AAug 17, 1993
Internal interrupt controller for a peripheral controller
AST RESEARCH INC103 citations95
US5717565AFeb 10, 1998
Easily changeable notebook keyboard
AST RESEARCH INC33 citations92
US5642110AJun 24, 1997
Memory mapped keyboard controller
AST RESEARCH INC34 citations91
US5408624AApr 18, 1995
Method and apparatus for down-loading instructions from a host computer system to a memory in a peripheral controller for execution by a core microprocessor in the peripheral controller
AST RESEARCH INC36 citations91
US5333273AJul 26, 1994
Protected hot key function for microprocessor-based computer system
AST RESEARCH INC53 citations91
US5280283AJan 18, 1994
Memory mapped keyboard controller
AST RESEARCH INC42 citations91
US5261114ANov 9, 1993
Method and apparatus for providing down-loaded instructions for execution by a peripheral controller
AST RESEARCH INC36 citations91
SILICON LAB INC
4 patentsUS6912276B1Jun 28, 2005
Modem on hold
SILICON LAB INC22 citations90
US7634070B2Dec 15, 2009
Modem with hold and quick connect functionality
SILICON LAB INC6 citations71
US7587034B2Sep 8, 2009
Use of modem on hold for network management and telephone access
SILICON LAB INC2 citations60
US7443966B2Oct 28, 2008
Using modems to place modem connections on hold and to maintain upper layer network connection
SILICON LAB INC2 citations60
SPIREON INC
4 patentsUS11299219B2Apr 12, 2022
Distributed volumetric cargo sensor system
SPIREON INC3 citations71
US10930138B2Feb 23, 2021
Apparatus and method for determining mounting state of a trailer tracking device
SPIREON INC1 citations61
US10636280B2Apr 28, 2020
Apparatus and method for determining mounting state of a trailer tracking device
SPIREON INC0 citations51
US10605847B1Mar 31, 2020
Verification of installation of vehicle starter disable and enable circuit
SPIREON INC0 citations33