Inventor · disambiguated record
Fritz Gfeller
Also filed as: GFELLER FRITZ · GFELLER FRITZ R · GFELLER FRITZ RUDOLF
27 granted patents·1,449 citations·filing 1978–2007
98Inventor score
Top patents by PatentIndex Score
27 records- 0195US7289815B2Transponder subsystem for supporting location awareness in wireless networksIBM·Filed 2003·Granted Oct 30, 2007·124 cites·15 claims
- 0295US4422088ABus arrangement for interconnecting circuit chipsIBM·Filed 1981·Granted Dec 20, 1983·105 cites·6 claims
- 0395US4402090ACommunication system in which data are transferred between terminal stations and satellite stations by infrared signalsIBM·Filed 1981·Granted Aug 30, 1983·125 cites·6 claims
- 0493US4400616ADocument card containing information in holographic formIBM·Filed 1981·Granted Aug 23, 1983·70 cites·5 claims
- 0592US5808760AWireless optical communication system with adaptive data rates and/or adaptive levels of optical powerIBM·Filed 1994·Granted Sep 15, 1998·126 cites·21 claims
- 0691US5247597AOptical fiber alignmentIBM·Filed 1992·Granted Sep 21, 1993·107 cites·9 claims
- 0790US4809257AHierarchical distributed infrared communication systemIBM·Filed 1986·Granted Feb 28, 1989·143 cites·17 claims
- 0887US7062687B1Apparatus and method for setting a data rate in a wireless communication systemIBM·Filed 2000·Granted Jun 13, 2006·59 cites·20 claims
- 0984US5259049ASelf-aligned optical waveguide to laser structure and method for making the sameIBM·Filed 1992·Granted Nov 2, 1993·67 cites·7 claims
- 1084US5218584AIntegrated optical head structureIBM·Filed 1991·Granted Jun 8, 1993·35 cites·36 claims
- 1176US6643469B1Method for improved wireless optical communication and frames for use in a wireless optical communication systemIBM·Filed 1997·Granted Nov 4, 2003·53 cites·25 claims
- 1275US5271075AFiber optic switch with remote optical poweringIBM·Filed 1992·Granted Dec 14, 1993·46 cites·25 claims
- 1374US5818826AMedia access control protocols in a wireless communication network supporting multiple transmission ratesIBM·Filed 1996·Granted Oct 6, 1998·74 cites·11 claims
- 1474US4214807AHolographic optical satellite communication systemIBM·Filed 1978·Granted Jul 29, 1980·24 cites·9 claims
- 1572US6442145B1Robust method and apparatus enabling multi-mode wireless optical communicationIBM·Filed 1996·Granted Aug 27, 2002·84 cites·42 claims
- 1672US6424442B1Optical transmitter and transceiver module for wireless data transmissionIBM·Filed 1994·Granted Jul 23, 2002·49 cites·28 claims
- 1769US8380218B2Transponder subsystem for supporting location awareness in wireless networksIBM·Filed 2007·Granted Feb 19, 2013·6 cites·15 claims
- 1869US7356019B2Method and apparatus for converting optical signals to radio channelsIBM·Filed 2004·Granted Apr 8, 2008·13 cites·18 claims
- 1968US4764984AFluorescent sensors for infrared free-space links in data communication systemsIBM·Filed 1986·Granted Aug 16, 1988·28 cites·20 claims
- 2066US4303855ASystem for separating an optical signal from ambient lightIBM·Filed 1979·Granted Dec 1, 1981·17 cites·8 claims
- 2162US6823284B2Geolocation subsystemIBM·Filed 2003·Granted Nov 23, 2004·17 cites·18 claims
- 2259US7016403B2Apparatus and method for determining the quality of a digital signalIBM·Filed 2001·Granted Mar 21, 2006·5 cites·23 claims
- 2358US5280535ASemiconductor laser diode deposited on a structured substrate surfaceIBM·Filed 1992·Granted Jan 18, 1994·18 cites·8 claims
- 2457US6968279B2Apparatus and method for determining a pulse position for a signal encoded by a pulse modulationIBM·Filed 2001·Granted Nov 22, 2005·4 cites·26 claims
- 2556US6850709B1Apparatus and method for improved connectivity in wireless optical communication systemsINTERNATIOAL BUSINESS MACHINES·Filed 1999·Granted Feb 1, 2005·30 cites·22 claims
- 2648US6377376B1Optoelectronic transceiver having emission angle equal to reception angleIBM·Filed 1998·Granted Apr 23, 2002·15 cites·16 claims
- 2737US5150437AElectro-optical scannerIBM·Filed 1991·Granted Sep 22, 1992·5 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Fritz Gfeller files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →