Assignee
SMART TONE AUTHENTICATION INC
US·7 granted patents·1,012 citations·filing 1996–1997
Top patents by PatentIndex Score
7 records- 0197US5745555ASystem and method using personal identification numbers and associated prompts for controlling unauthorized use of a security device and unauthorized access to a resourceSMART TONE AUTHENTICATION INC·Filed 1996·Granted Apr 28, 1998·306 cites·13 claims
- 0295US5907597AMethod and system for the secure communication of dataSMART TONE AUTHENTICATION INC·Filed 1996·Granted May 25, 1999·216 cites·27 claims
- 0386US5825871AInformation storage device for storing personal identification informationSMART TONE AUTHENTICATION INC·Filed 1996·Granted Oct 20, 1998·287 cites·29 claims
- 0481US5732133ASystem and method for selecting and generating telephone access numbers for limiting access to a telephone serviceSMART TONE AUTHENTICATION INC·Filed 1996·Granted Mar 24, 1998·65 cites·15 claims
- 0564US5949874AMethod and system for compensating for signal deviations in tone signals over a transmission channelSMART TONE AUTHENTICATION INC·Filed 1997·Granted Sep 7, 1999·31 cites·8 claims
- 0662US6014441AMethod and system for generation of tone signals over a transmission channelSMART TONE AUTHENTICATION INC·Filed 1997·Granted Jan 11, 2000·58 cites·14 claims
- 0753US5818930AAuto-dialer housingSMART TONE AUTHENTICATION INC·Filed 1996·Granted Oct 6, 1998·49 cites·13 claims
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