Navigation device with adjustable data transmission

• US 9,523,579 B2
• Filed: 08/23/2010
• Issued: 12/20/2016
• Est. Priority Date: 08/23/2010
• Status: Active Grant

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Lagnado, Isaac
• Primary Examiner(s): Melton, Todd
• Assistant Examiner(s): Roberson, Jason
• Application Number:
  US13/816,199
• Publication Number:
  US 20130138340A1
• Time in Patent Office: 2,311 Days
• Field of Search: 701/30.1
• US Class Current: 1/1
• CPC Class Codes: G01C 21/20 Instruments for performing navigational calculations G01C21/24, G01C21/26 take precedence
• CPC Class Codes: G01C 21/203 Specially adapted for sailing ships
• CPC Class Codes: G01S 19/09 providing processing capability normally carried out by the receiver
• CPC Class Codes: G01S 19/34 Power consumption
• CPC Class Codes: G01S 5/0027 of actual mobile position, i.e. position determined on mobile

Abstract

A navigation device for determining the location of the device includes a location determining module to generate data relating to a geographic location of the device, and to adjust frequency of transmission of the data over a communication interface based on a selectable threshold value representing an amount of change in the geographic location of the device.

Claims

1. A system for determining the location of a navigation device comprising:

a navigation device, comprising;

a location determining module comprising hardware and logic to;

generate first data relating to a first geographic location of the device based on a first received navigation data;

generate second data relating to a second geographic location of the device based on a second received navigation data;

receive a user input corresponding to a threshold transmission value representing a frequency at which the first geographic location is to be transmitted over a communication interface,

wherein the communication interface provides power to the navigation device;

calculate a change in a geographic location of the device based on a difference between the first generated data and the second generated data at the device; and

transmit the second generated data over the communication interface when the calculated change in the geographic location of the device exceeds a threshold geographic change value representing an amount of change in the geographic location of the device, wherein the threshold geographic change value is selectable from a plurality of threshold geographic change values; and

a host computing device in communication with the navigation device, comprising

a GPS device driver to allow a data stream application to communicate with a host universal serial bus controller,

wherein the data stream application is to receive a constant stream of data including data relating to the first geographic location of the device from the GPS device driver;

when there is no change in the geographic location of the device and when there is a change in the geographic location of the device.

2. The device of claim 1, wherein the communication interface is selected from the group consisting of universal serial bus (USB), wireless interface and wired interface.

3. The device of claim 1, wherein the location determining module transmits the data in accordance with a serial communications protocol.

4. The device of claim 1, wherein the location determining module generates data independent of whether an amount of change in the geographic location of the device exceeds the threshold value.

5. The device of claim 1, wherein the device receives power to power the device from another device over the communication interface.

6. The device of claim 1, wherein the location determining module receives data to determine the location of the device which is selected from the group consisting of global positioning system (GPS) system, terrestrial-based system and satellite-based system.

7. The device of claim 1, further comprising a display device to display information and an input device to allow input of information.

13. The navigation device of claim 1, wherein the communication interface provides power to the navigation device via a wired connection.

14. The navigation device of claim 1, wherein the location determining module receives a signal to set the threshold value representing the amount of change in the geographic location of the device.

8. A method of determining a location of a device comprising:

generating first data related to a first geographic location of the device;

generating second data related to a second geographic location of the device;

determining, at the device, a change in a geographic location of the device based on a difference between the first generated data and the second generated data;

receiving a user input corresponding to a threshold transmission value representing a frequency at which the first geographic location is to be transmitted over a communication interface,

wherein the communication interface provides power to the navigation device;

transmitting the second generated data over the communication interface when the change in the geographic location of the device exceeds a threshold geographic change value representing an amount of change in the geographic location of the device, wherein the threshold geographic change value is selectable from a plurality of threshold geographic change values; and

wherein the communication interface provides power to the device; and

transmitting a constant stream of data related to the first geographic location of the device between a GPS device driver and a data stream application associated with a host computing device when there is no change in the geographic location of the device and when there is a change in the geographic location of the device, wherein the host computing device is communicatively coupled to the device.

9. The method of claim 8, further comprising transmitting the data in accordance with a serial communications protocol.

10. The method of claim 8, further comprising receiving data to determine the location of the device selected which is selected from the group consisting of global positioning system (GPS) system, terrestrial-based system and satellite-based system.

11. A non-transitory computer-readable medium storing instructions that, when executed by a controller, causes the controller to:

generate first data related to a first geographic location of a device;

generate second data related to a second geographical location of the device;

determine, at the device, a change in a geographic location of the device based on a difference between the first generated data and the second generated data;

receive a user input corresponding to a threshold transmission value representing a frequency at which the first geographic location is to be transmitted over a communication interface,

wherein the communication interface provides power to the navigation device;

transmit the second generated data over the communication interface in response to the change in the geographic location of the device exceeding a threshold geographic change value representing an amount of change in the geographic location of the device, wherein the threshold geographic change value is selectable from a plurality of threshold geographic change values; and

wherein the communication interface provides power to the device; and

transmit a constant stream of data related to the first geographic location of the device between a GPS device driver and a data stream application associated with a host computing device when there is no change in the geographic location of the device and when there is a change in the geographic location of the device, wherein the host computing device is communicatively coupled to the device.

12. The non-transitory computer-readable medium of claim 11, further including instructions which when executed cause the controller to transmit the data in accordance with a serial communications protocol.