Assignee
CARROLL TOUCH INC
US·13 granted patents·1,107 citations·filing 1984–1994
Top patents by PatentIndex Score
13 records- 0194US4672364ATouch input device having power profilingCARROLL TOUCH INC·Filed 1984·Granted Jun 9, 1987·247 cites·12 claims
- 0293US4988983ATouch entry system with ambient compensation and programmable amplificationCARROLL TOUCH INC·Filed 1988·Granted Jan 29, 1991·137 cites·13 claims
- 0391US5329070ATouch panel for an acoustic touch position sensorCARROLL TOUCH INC·Filed 1993·Granted Jul 12, 1994·89 cites·34 claims
- 0484US5451723AAcoustic wave touch panel for use with a non-active stylusCARROLL TOUCH INC·Filed 1994·Granted Sep 19, 1995·101 cites·56 claims
- 0582US4684801ASignal preconditioning for touch entry deviceCARROLL TOUCH INC·Filed 1986·Granted Aug 4, 1987·93 cites·12 claims
- 0681US4943806ATouch input device having digital ambient light samplingCARROLL TOUCH INC·Filed 1988·Granted Jul 24, 1990·87 cites·5 claims
- 0780US4645920AEarly fault detection in an opto-matrix touch input deviceCARROLL TOUCH INC·Filed 1984·Granted Feb 24, 1987·60 cites·5 claims
- 0878US5055840AInfrared touch input device and light emitted activation circuitCARROLL TOUCH INC·Filed 1990·Granted Oct 8, 1991·83 cites·26 claims
- 0975US4761637ATouch input deviceCARROLL TOUCH INC·Filed 1986·Granted Aug 2, 1988·64 cites·15 claims
- 1071US4713534APhototransistor apparatus with current injection ambient compensationCARROLL TOUCH INC·Filed 1986·Granted Dec 15, 1987·49 cites·9 claims
- 1162US4818859ALow profile opto-device assembly with specific optoelectronic lead mountCARROLL TOUCH INC·Filed 1987·Granted Apr 4, 1989·38 cites·13 claims
- 1259US5041701AEdge linearization device for a contact input systemCARROLL TOUCH INC·Filed 1988·Granted Aug 20, 1991·30 cites·17 claims
- 1356US5380959AController for an acoustic touch panelCARROLL TOUCH INC·Filed 1992·Granted Jan 10, 1995·29 cites·7 claims
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