Inventor
GFELLER FRITZ
CH20 patents
⚠️ This page may combine multiple inventors who share the name “GFELLER FRITZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
19 patentsUS7289815B2Oct 30, 2007
Transponder subsystem for supporting location awareness in wireless networks
IBM124 citations99
US5808760ASep 15, 1998
Wireless optical communication system with adaptive data rates and/or adaptive levels of optical power
IBM126 citations98
US5259049ANov 2, 1993
Self-aligned optical waveguide to laser structure and method for making the same
IBM67 citations95
US4400616AAug 23, 1983
Document card containing information in holographic form
IBM70 citations95
US7062687B1Jun 13, 2006
Apparatus and method for setting a data rate in a wireless communication system
IBM59 citations94
US5247597ASep 21, 1993
Optical fiber alignment
IBM107 citations93
US5218584AJun 8, 1993
Integrated optical head structure
IBM35 citations92
US6424442B1Jul 23, 2002
Optical transmitter and transceiver module for wireless data transmission
IBM49 citations90
US5271075ADec 14, 1993
Fiber optic switch with remote optical powering
IBM46 citations89
US8380218B2Feb 19, 2013
Transponder subsystem for supporting location awareness in wireless networks
IBM6 citations84
US6377376B1Apr 23, 2002
Optoelectronic transceiver having emission angle equal to reception angle
IBM15 citations84
US7356019B2Apr 8, 2008
Method and apparatus for converting optical signals to radio channels
IBM13 citations83
US6823284B2Nov 23, 2004
Geolocation subsystem
IBM17 citations82
US4214807AJul 29, 1980
Holographic optical satellite communication system
IBM24 citations81
US5280535AJan 18, 1994
Semiconductor laser diode deposited on a structured substrate surface
IBM18 citations73
US4303855ADec 1, 1981
System for separating an optical signal from ambient light
IBM17 citations69
US7016403B2Mar 21, 2006
Apparatus and method for determining the quality of a digital signal
IBM5 citations63
US6968279B2Nov 22, 2005
Apparatus and method for determining a pulse position for a signal encoded by a pulse modulation
IBM4 citations63
US5150437ASep 22, 1992
Electro-optical scanner
IBM5 citations63