CARROLL TOUCH, INC.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 24, 1990 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 486 Total Citation Count
- Jun 18, 1984 Earliest Filing
- 7 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4943806 Touch input device having digital ambient light samplingExpiredDec 06, 88Jul 24, 90[H03K, G09G]
4818859 Low profile opto-device assembly with specific optoelectronic lead mountExpiredJun 01, 87Apr 04, 89[G01V]
4713534 Phototransistor apparatus with current injection ambient compensationExpiredFeb 18, 86Dec 15, 87[H01J]
4645920 Early fault detection in an opto-matrix touch input deviceExpiredOct 31, 84Feb 24, 87[H01J, G01V]
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