PHYSICAL PRESENCE DIGITAL AUTHENTICATION SYSTEM (DEVICE-TO-DEVICE)

WIPO Patent Application WO2001057625

A3

The interactive authentication system allows a consumer to interact with a base station, such as broadcast media (e.g., television and radio) or PC, to receive coupons, special sales offers, and other information with an electronic card. The electronic card can also be used to transmit a signal that can be received by the base station to perform a wide variety of tasks. These tasks can include launching an application, authenticating a user at a website, and completing a sales transaction at a website (e.g., by filling out a form automatically). The interaction between the base station and the electronic card is accomplished by using the conventional sounds system in the base station so that a special reader hardware need not be installed to interact with the electronic card. The user is equipped with an electronic card that can receive and transmit data via sound waves. In the various embodiments, the sound waves can be audible or ultrasonic (which can be slightly audible to some groups of people).

ATSMON ALON (IL)
ANTEBI AMIT (IL)
LEV TSVI (IL)
COHEN MOSHE (IL)
SPEYER GAVRIEL (US)
SEGE ALAN (US)
ALTIMAN NATHAN (IL)
ANATI RAMI (IL)

PCT/US2001/004085

May 02, 2002

February 07, 2001

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COMSENSE TECHNOLOGIES LTD (IL)
ATSMON ALON (IL)
ANTEBI AMIT (IL)
LEV TSVI (IL)
COHEN MOSHE (IL)
SPEYER GAVRIEL (US)
SEGE ALAN (US)
ALTIMAN NATHAN (IL)
ANATI RAMI (IL)

G06F21/00; G06Q20/00; G07F7/02; G07F7/08; G07F7/10; G07G1/00; H04B11/00; (IPC1-7): G06K19/06

US4918631A	1990-04-17
US5955961A	1999-09-21
US6215665B1	2001-04-10
US6202927B1	2001-03-20
US6144848A	2000-11-07

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