Tracking method for cell phone with positioning device and system thereof

a technology of positioning device and tracking method, which is applied in the direction of instruments, messaging/mailboxes/announcements, and assessing restrictions, etc., can solve the problem that the positioning device does not provide the required precision

Inactive Publication Date: 2006-08-03
MITAC INT CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0010] The GPS receiving module receives the position coordinate signals transmitted from the satellites. The GSM communication module sends out the longitudinal and latitudinal coordinates in the SMS. The input module receives settings given by the user. The CPU converts the position coordinate signals into longitudinal and latitudinal coordinates, encodes them into a positioning short message, decodes the coordinates contained in the positioning short message, and determines whether the tracking short message allows tracking. The display module displays the coordinates in the short message on a normal cell phone. If it is a smart phone, then the position of the tracked end can be directly displayed on a map. The position of the user also can be displayed. The memory module stores a phone book and the record of short message transmissions.
[0011] Besides, the dis

Problems solved by technology

Thi does not provide the required precision.

Method used

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  • Tracking method for cell phone with positioning device and system thereof
  • Tracking method for cell phone with positioning device and system thereof
  • Tracking method for cell phone with positioning device and system thereof

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Embodiment Construction

[0020] The system structure of the invention is shown in FIG. 1. It contains the following modules: (A) a GPS receiving module 210; (B) a CPU 220; (C) an input module 230; (D) a display module 240; (E) a GSM communication module 250; and (F) a memory module 260.

[0021] The GPS receiving module 210 receives position coordinate signals transmitted from satellite 110. The CPU 220 converts the position coordinate signals into longitudinal and latitudinal coordinates, encodes the longitudinal and latitudinal coordinates and some information (e.g. title, phone number, name, etc) according to a format into a positioning short message, decodes a received positioning short message into the information contained therein, and determines accordingly whether the tracking short message allows tracking. It further controls and coordinates the operation of various peripheral modules.

[0022] The input module 230 generally refers to a keyboard or a touch-control pad used to receive the settings and i...

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Abstract

A tracking method for a cell phone with a positioning device and the system thereof are described. The longitudinal and latitudinal coordinates of a tracked end in a global positioning system (GPS) are sent to a cell phone of a tracking end via a short message service (SMS). After decoding the short message contents, the longitudinal and latitudinal coordinates are displayed in a geographic information system (GIS) installed in the cell phone.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This non-provisional application claims priority under 35 U.S.C. § 119(a) on Patent Application No(s). 941102945 filed in Taiwan, R.O.C. on Jan. 31, 2005, the entire contents of which are hereby incorporated by reference. BACKGROUND OF THE INVENTION [0002] 1. Field of Invention [0003] The invention relates to a tracking method for a cell phone with a positioning device and the system thereof. In particular, the invention utilizes the SMS (Short Message Service) to transmit the position coordinates from a GPS. [0004] 2. Related Art [0005] With rapid development in the cell phone technology, a new function is added to cell phones every now and then. It has evolved from old black-and-white phones to the current color phones, from monotonic bells to the current musics, the packet transmission for WAP web surfing and general packet radio services (GPRS). The cell phone can even record videos just like the DV. In spite of its many functions, ...

Claims

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Application Information

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IPC IPC(8): G01S5/14H04Q7/20G01S19/17H04W4/14H04W4/18H04W48/08H04W64/00
CPCG01S19/17H04W4/14H04W4/18H04W48/08H04W64/00
Inventor CHANG, JIEN-YANG
Owner MITAC INT CORP
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