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An Application that Allows a Mobile Device User to Locate Another Mobile Device User if Both Users Have GPS Support

IP.com Disclosure Number: IPCOM000130646D
Publication Date: 2005-Oct-31
Document File: 1 page(s) / 10K

Publishing Venue

The IP.com Prior Art Database

Abstract

Multiple users of mobile devices may have a difficult time locating each other in a crowded area without useful landmarks. For examples, coworkers attending a conference, a lecture or a concert may find it difficult to find each other in the crowd.

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MOBILE DEVICE LOCATOR

An Application that Allows a Mobile Device User to Locate Another

Mobile

Device User if Both Users Have GPS Support

Disclosed Anonymously

Multiple users of mobile devices may have a difficult time locating each other in a crowded area without useful landmarks. For examples, coworkers attending a conference, a lecture or a concert may find it difficult to find each other in the crowd.

One proposed solution is to implement a request location application on the mobile device. On the mobile device, the user may select the "Request location" option. This menu command would be available for a user highlighted in the user’s Contacts list, an e-mail message, or from the user’s message list.

The following is a list of steps to implement this:


1. User1 (U1) invokes "Request location" for User2 (U2). The following info may be requested:

·         initial location (L1), of U1 is stored.

·         U1 is prompted by mobile device to step forward.  Prompt is displayed until U1 has moved far enough for GPS location to change.  The second location (L2) is stored.

·         (L2 - L1) is the direction vector that U1 is facing.

2. U1's mobile device sends request to U2's mobile device.

3. If U2's mobile device does not support GPS, a refusal message is sent to U1.

4. U2 is prompted "Send your GPS location to [U1]? Yes/No". If U2 selects No, a refusal message is sent to U1. However, if U2 picks Yes, the following steps occur:

·        U2's revised position (L3) is sent to U1.

·        (L3 - L2) is di...