Assignee
TANDY CORP
US·130 granted patents·5,305 citations·filing 1974–1997
Top patents by PatentIndex Score
130 records- 0195US5103498AIntelligent help systemTANDY CORP·Filed 1990·Granted Apr 7, 1992·351 cites·25 claims
- 0295US5029982ALCD contrast adjustment systemTANDY CORP·Filed 1989·Granted Jul 9, 1991·248 cites·1 claims
- 0394US5424903AIntelligent power switcherTANDY CORP·Filed 1993·Granted Jun 13, 1995·287 cites·25 claims
- 0494US5310997AAutomated order and delivery systemTANDY CORP·Filed 1992·Granted May 10, 1994·375 cites·51 claims
- 0594US5294889ABattery operated capacitance measurement circuitTANDY CORP·Filed 1992·Granted Mar 15, 1994·134 cites·25 claims
- 0694US4825200AReconfigurable remote control transmitterTANDY CORP·Filed 1987·Granted Apr 25, 1989·366 cites·27 claims
- 0792US4894792APortable computer with removable and replaceable add-on modulesTANDY CORP·Filed 1988·Granted Jan 16, 1990·199 cites·11 claims
- 0891USD329238SUniversal remote controllerTANDY CORP·Filed 1990·Granted Sep 8, 1992·58 cites·1 claims
- 0990US4996709AIntercom telephoneTANDY CORP·Filed 1988·Granted Feb 26, 1991·129 cites·27 claims
- 1089US4852077AOptical data storage media with spatially variable energy absorptivityTANDY CORP·Filed 1988·Granted Jul 25, 1989·38 cites·29 claims
- 1187US5014259ARecording medium having an insulating layerTANDY CORP·Filed 1989·Granted May 7, 1991·33 cites·15 claims
- 1287US4503429AComputer graphics generatorTANDY CORP·Filed 1982·Granted Mar 5, 1985·60 cites·23 claims
- 1387USD266763STelephone housingTANDY CORP·Filed 1980·Granted Nov 2, 1982·25 cites·1 claims
- 1486US4590556ACo-processor combinationTANDY CORP·Filed 1983·Granted May 20, 1986·83 cites·29 claims
- 1585US4469919ATelephone answering deviceTANDY CORP·Filed 1981·Granted Sep 4, 1984·33 cites·8 claims
- 1684US5434394AAutomated order and delivery systemTANDY CORP·Filed 1994·Granted Jul 18, 1995·396 cites·23 claims
- 1784US5090052ATelephone system with multiple extension telephonesTANDY CORP·Filed 1991·Granted Feb 18, 1992·135 cites·27 claims
- 1884US4918682AAblative and bump-forming optical recording media including a metallic reflective layerTANDY CORP·Filed 1988·Granted Apr 17, 1990·30 cites·28 claims
- 1983US5261072ACompact disk data transfer system using cache memoryTANDY CORP·Filed 1991·Granted Nov 9, 1993·107 cites·7 claims
- 2082US5147986ASubwoofer speaker systemTANDY CORP·Filed 1990·Granted Sep 15, 1992·100 cites·34 claims
- 2182US4625301ADynamic memory refresh circuitTANDY CORP·Filed 1983·Granted Nov 25, 1986·32 cites·18 claims
- 2281US5231624ASystem and method using a reduce profile light beam for high density recording on optical mediaTANDY CORP·Filed 1991·Granted Jul 27, 1993·32 cites·16 claims
- 2380US5254984AVGA controller for displaying images having selective components from multiple image planesTANDY CORP·Filed 1992·Granted Oct 19, 1993·53 cites·16 claims
- 2480US4679166ACo-processor combinationTANDY CORP·Filed 1985·Granted Jul 7, 1987·78 cites·23 claims
- 2579US5396168ADigital multimeter with microprocessor controlTANDY CORP·Filed 1992·Granted Mar 7, 1995·46 cites·25 claims
- 2679US5218432AMethod and apparatus for merging video data signals from multiple sources and multimedia system incorporating sameTANDY CORP·Filed 1992·Granted Jun 8, 1993·49 cites·17 claims
- 2779US4879709ADye-polymer optical data storage media with improved recording sensitivityTANDY CORP·Filed 1988·Granted Nov 7, 1989·23 cites·11 claims
- 2879US4545016AMemory management systemTANDY CORP·Filed 1983·Granted Oct 1, 1985·55 cites·10 claims
- 2978US5594601AMethod of programming audio tracks in a sequential mediumTANDY CORP·Filed 1995·Granted Jan 14, 1997·37 cites·32 claims
- 3078US5090008AErasable recording mediaTANDY CORP·Filed 1990·Granted Feb 18, 1992·29 cites·35 claims
- 3176US5208801AMethod and apparatus for correcting focus in an optical recording systemTANDY CORP·Filed 1991·Granted May 4, 1993·25 cites·18 claims
- 3276US5187469AUniversal remote control including quick touch functionTANDY CORP·Filed 1991·Granted Feb 16, 1993·46 cites·21 claims
- 3376US5131801AForklift fork tilt angle indicatorTANDY CORP·Filed 1990·Granted Jul 21, 1992·42 cites·7 claims
- 3476US4893209AMultifunctional magnetic head cleaning mediaTANDY CORP·Filed 1988·Granted Jan 9, 1990·24 cites·9 claims
- 3575US5258826AMultiple extended mode supportable multimedia palette and multimedia system incorporating sameTANDY CORP·Filed 1992·Granted Nov 2, 1993·40 cites·24 claims
- 3675US5185655AMethod and apparatus for encoding full color video data signals and protocol for encoding sameTANDY CORP·Filed 1991·Granted Feb 9, 1993·38 cites·13 claims
- 3775US5031119ASplit screen keyboard emulatorTANDY CORP·Filed 1989·Granted Jul 9, 1991·63 cites·7 claims
- 3875US4928189AMultifunctional magnetic head cleaning mediaTANDY CORP·Filed 1989·Granted May 22, 1990·23 cites·6 claims
- 3974US5473686AEcho cancellation apparatusTANDY CORP·Filed 1994·Granted Dec 5, 1995·67 cites·40 claims
- 4074US4866423AOverhead sprinkler head proximity alarmTANDY CORP·Filed 1988·Granted Sep 12, 1989·50 cites·13 claims
- 4174US4122389AMoisture sensorTANDY CORP·Filed 1977·Granted Oct 24, 1978·24 cites·12 claims
- 4274US3965426AFrequency modulated signal pre-amplifier with amplitude modulated signal bypassTANDY CORP·Filed 1974·Granted Jun 22, 1976·26 cites·10 claims
- 4372US5548784AAutomatic disk change detection without causing head movement by step pulsesTANDY CORP·Filed 1994·Granted Aug 20, 1996·26 cites·10 claims
- 4472US5418910ADual buffer cache system for transferring audio compact disk subchannel information to a computerTANDY CORP·Filed 1992·Granted May 23, 1995·20 cites·9 claims
- 4572US5142398ATimer system for learning and replaying of infrared signalsTANDY CORP·Filed 1989·Granted Aug 25, 1992·28 cites·22 claims
- 4671US5220410AMethod and apparaus for decoding encoded video dataTANDY CORP·Filed 1991·Granted Jun 15, 1993·34 cites·29 claims
- 4771USD264083SPrinter housingTANDY CORP·Filed 1979·Granted Apr 27, 1982·10 cites·1 claims
- 4870US5200948ARecording method and apparatusTANDY CORP·Filed 1989·Granted Apr 6, 1993·15 cites·72 claims
- 4969US4468752AData synchronization apparatusTANDY CORP·Filed 1981·Granted Aug 28, 1984·16 cites·19 claims
- 5069USD264468SComputer housingTANDY CORP·Filed 1979·Granted May 18, 1982·9 cites·1 claims
Showing the top 50 of 130 patent records by PatentIndex Score.
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