Patent · US Active

Method and apparatus for a multi-party CAPTCHA

US9137229B2 · kind B2 · utility

0Cited by

1References

18Claims

0Family size

Assignee

NOKIA TECHNOLOGIES OY · FI

Inventors

Hayes Solos Raffle · Palo Alto, US
Cynthia Kuo · Mountain View, US

Key dates

Filing date	Feb 1, 2011
Grant date	Sep 15, 2015
Priority date	—
Expiry date	Feb 1, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06F2221/2133
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

In accordance with an example embodiment of the present invention, a method comprising: receiving at least one request for generating a challenge from at least one device; generating the challenge with at least two components; transmitting component of the challenge to the at least one device; causing presentation of at least part of the challenge to at least two users; causing communication between said at least two users; and receiving at least two responses to the challenge from the at least one device. Related apparatus and computer program product are also described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.