POSITION LOCATING SYSTEM, TERMINAL DEVICE, CONTROL METHOD FOR TERMINAL DEVICE, CONTROL PROGRAM FOR TERMINAL DEVICE, AND COMPUTER-READABLE RECORD MEDIUM STORING CONTROL PROGRAM FOR TERMINAL DEVICE THEREIN

• US 20080015773A1
• Filed: 07/25/2007
• Published: 01/17/2008
• Est. Priority Date: 07/29/2004
• Status: Abandoned Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: KIMURA, Akira
• Application Number:
  US11/828,018
• Publication Number:
  US 20080015773A1
• Time in Patent Office: Days
• US Class Current: 701/207
• CPC Class Codes: G01S 19/25 involving aiding data received from a cooperating element, e.g. assisted GPS
• CPC Class Codes: G01S 19/28 Satellite selection

Abstract

A terminal device 50 includes aid-information acquisition device to acquire aid information 154 from an information providing apparatus, an information-providing-apparatus-sort judgment device to judge the type of information providing apparatus on the basis of positioning charge information 154a contained in the aid information 154, a positioning-basis-information generation device to generate positioning basis information 156 on the basis of position-relevant signals, a terminal-located-result-information generation device to locate a current position on the basis of the positioning basis information 156 to generate terminal-located position information and signal reception time information indicating signal reception times of the position-relevant signals, and a positioning-basis-information correction to correct the positioning basis information 156 on the basis of the signal reception time information to generate corrected positioning basis information 162.

Claims

1. (canceled)

2. A terminal device for communicating with an information providing apparatus providing aid information and determining a position location by receiving a position-relevant signal from a positional information satellite, the terminal device comprising:

an aid-information acquisition device being configured to acquire the aid information from the information providing apparatus;

a position-relevant-signal reception device being configured to receive the position-relevant signal from the positional information satellite on the basis of the aid information;

a positioning-basis-information generation device being configured to generate terminal-located position information by determining the position location of the terminal device on the basis of the position-relevant signal;

a corrected-positioning-basis-information transmission device being configured to generate and transmit corrected positioning basis information to the information providing apparatus on the basis of the terminal located position information and the position relevant signal, to acquire server-located position information indicative of a positional result on the basis of the corrected positioning basis information from the information providing apparatus, and to transmit the server-located position information, when the terminal device confirms that the information providing apparatus determines the position location on the basis of the aid information; and

a located-position-information transmission device being configured to transmit the terminal-located position information when the terminal device confirms that the information providing apparatus does not determine the position location on the basis of the aid information.

3. The terminal device according to claim 2, wherein

the aid information includes positioning charge information indicative of whether or not the information providing apparatus determines the position location, and

whether or not the information providing apparatus determines the position location is decided on the basis of the positioning charge information.

4. The terminal device according to claim 3, wherein

the terminal apparatus generates the positioning basis information on the basis of the position relevant signal, corrects the position relevant signal on the basis of signal reception time information indicating signal reception time of said position-relevant signal, and generates the corrected positioning basis information.

5. A control program for a terminal device adapted to run on a computer, comprising:

code for acquiring aid information from a information providing apparatus providing the aid information by the terminal device;

code for receiving a position-relevant signal from a positional information satellite on the basis of the aid information by the terminal device;

code for generating terminal-located position information by determining a position location of the terminal device on the basis of the position-relevant signal by the terminal device;

code for generating and transmitting corrected positioning basis information to the information providing apparatus on the basis of terminal located position information and the position relevant signal, acquiring server-located position information indicative of a positional result on the basis of the corrected positioning basis information from the information providing apparatus, and transmitting the server-located position information, when the terminal device confirms that the information providing apparatus determines the position location on the basis of the aid information; and

code for transmitting the terminal-located position information by the terminal apparatus when the terminal device confirms that the information providing apparatus does not determine the position location.

6. A control program for a terminal device adapted to run on a computer, comprising:

code for acquiring aid information by the terminal device from a information providing apparatus providing the aid information including positioning charge information indicative of whether or not the information providing apparatus determines a position location;

code for receiving a position relevant signal from a positional information satellite by the terminal device on the basis of the aid information;

code for generating terminal-located position information by determining the position location of the terminal device by the terminal device on the basis of the position relevant signal;

code for generating positioning basis information on the basis of the position relevant signal, correcting the positioning basis information on the basis of signal reception time information indicating signal reception time of the position-relevant signal, generating and transmitting corrected positioning basis information to the information providing apparatus, acquiring server-located position information indicative of a positional result on the basis of the corrected positioning basis information from the information providing apparatus, and transmitting the server-located position information, when the terminal device confirms that the information providing apparatus determines the position location on the basis of the aid information; and

code for transmitting the terminal-located position information by the terminal device when the terminal device confirms that the information providing apparatus does not determine the position location on the basis of the positioning charge information included in the aid information.

7. A computer medium storing a control program for a terminal device, the control program comprising:

code for acquiring aid information from a information providing apparatus providing the aid information by the terminal device;

code for receiving a position-relevant signal from a positional information satellite on the basis of the aid information by the terminal device;

code for generating terminal-located position information by determining a position location of the terminal device on the basis of the position-relevant signal by the terminal device;

code for generating and transmitting corrected positioning basis information to the information providing apparatus, acquiring server-located position information indicative of a positional result on the basis of the corrected positioning basis information from the information providing apparatus, and transmitting the server-located position information, when the terminal device confirms that the information providing apparatus determines the position location on the basis of the aid information; and

code for transmitting the terminal-located position information by the terminal apparatus when the terminal device confirms that the information providing apparatus does not determine the position location.

8. A computer medium storing a control program for a terminal device, the control program comprising:

code for acquiring aid information by the terminal device from a information providing apparatus providing the aid information including positioning charge information indicative of whether or not the information providing apparatus determines a position location;

code for receiving a position relevant signal from a positional information satellite by the terminal device on the basis of the aid information;

code for generating terminal-located position information by determining the position location of the terminal device by the terminal device on the basis of the position relevant signal;

code for generating positioning basis information on the basis of the position relevant signal, correcting the positioning basis information on the basis of signal reception time information indicating signal reception time of the position-relevant signal, generating and transmitting corrected positioning basis information to the information providing apparatus, acquiring server-located position information indicative of a positional result on the basis of the corrected positioning basis information from the information providing apparatus, and transmitting the server-located position information; and

code for transmitting the terminal-located position information by the terminal device when the information providing apparatus does not determine the position location on the basis of the positioning charge information included in the aid information.