Method and apparatus using a CAPTCHA having visual information related to the CAPTCHA's source

US9104854B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9104854-B2
Application numberUS-201113211818-A
CountryUS
Kind codeB2
Filing dateAug 17, 2011
Priority dateAug 17, 2011
Publication dateAug 11, 2015
Grant dateAug 11, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

Disclosed is a method for visual verification a Captcha's source. In the method, a Captcha is served to a user. The Captcha includes visual information related to a characteristic of a source of the Captcha and related to a puzzle question of the Captcha. The visual information is for visual verification by the user of the Captcha's source. A response is received from the user based on the served Captcha. A determination is made as to whether the received response is a solution of the puzzle question of the served Captcha.

First claim

Opening claim text (preview).

What is claimed is: 1. A method, comprising: serving a Captcha to a user, wherein the Captcha includes visual information of numbers and letters associated with a source of the Captcha and related to a puzzle question of the Captcha, wherein the puzzle question is related to the Captcha's source, and wherein the numbers and the letters are for visual verification by the user of the Captcha's source; receiving a response from the user based on the served Captcha; and determinin…

Assignees

Inventors

Classifications

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9104854B2 cover?
Disclosed is a method for visual verification a Captcha's source. In the method, a Captcha is served to a user. The Captcha includes visual information related to a characteristic of a source of the Captcha and related to a puzzle question of the Captcha. The visual information is for visual verification by the user of the Captcha's source. A response is received from the user based on the serv…
Who is the assignee on this patent?
Xiao Lu, Gantman Alexander, Qualcomm Inc
What technology area does this patent fall under?
Primary CPC classification G06F21/36. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).