TWI452321B - System and method for updating system time - Google Patents

Description

System time automatic update system and method

The invention belongs to the field of mobile communications, and in particular relates to a system and method for automatically updating a time of a mobile terminal system.

With the rapid development of mobile communication technology, in addition to communication functions, mobile communication devices have other functions, such as time display, alarm reminder, memo, etc., which bring great convenience to users' daily life and work.

However, in daily life, there are many reasons why the system time of mobile communication devices such as mobile phones and PDAs does not match the standard time. If the user of the mobile communication device travels from A to B, when the two zones are located in different time zones, the system time of the mobile communication device is still consistent with the standard time of the land, and the standard time of the land is inconsistent with the standard time of the land. The user's life and work bring a lot of inconvenience.

In order to solve the above technical problems, the user usually manually corrects the system time of the mobile communication device, that is, when the user finds that the system time displayed on the mobile communication device is inconsistent with the standard time of the current geographical location, the mobile communication device is actively The system time is corrected to the standard time of the current geographic location. However, the shortcoming of this method is that the user cannot accurately obtain the standard time of the current geographical location. In addition, the manual method will inevitably cause trouble to the user.

In view of the above, it is necessary to propose a system time update system and method, which can automatically locate the current geographic location and update the system time of the mobile communication device to the standard time of the current geographic location.

A system time automatic update method is applied to a mobile communication device. The method comprises: capturing a satellite signal sent by a satellite positioning system, and calculating latitude and longitude information of a current geographic location of the mobile communication device according to the captured satellite signal; calculating a time zone of the current geographic location of the mobile communication device according to the calculated latitude and longitude information and The standard time of the current geographic location; the system time of the mobile communication device is updated with the standard time of the current geographic location of the mobile communication device; and the updated system time is displayed.

A system time automatic update system is included in a mobile communication device. The system comprises: a storage system for recording time zone and time data; a satellite signal receiving device for capturing a satellite signal transmitted by the satellite positioning system; and a positioning module for calculating a current location of the mobile communication device based on the captured satellite signal The latitude and longitude information of the location; the world clock is used to receive the calculated latitude and longitude information, and calculate the standard time of the time zone of the current geographic location of the mobile communication device and the current geographic location according to the latitude and longitude information; and update the module, When the time zone of the current geographic location of the mobile communication device belongs to the time zone recorded in the storage system, when the change occurs, the user of the mobile communication device is prompted to update the system time of the mobile communication device, and the user needs to update the system. At the time of the time, the system time is updated with the standard time of the geographical location of the mobile communication device.

System time automatic updating system and method provided by the present invention compared with prior art The satellite positioning technology is used to locate the current location of the user, thereby calculating the time zone to which the current location belongs, and therefore, the system time of the user's communication device can be automatically updated.

1‧‧‧System time automatic update system

10‧‧‧World Clock

11‧‧‧Update Module

12‧‧‧ Positioning Module

13‧‧‧Storage system

14‧‧‧ Satellite signal receiving device

2‧‧‧Satellite Positioning System

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of a preferred embodiment of the system time automatic update system of the present invention.

2 is a flow chart showing an implementation of a preferred embodiment of the system time automatic updating method of the present invention.

Referring to Figure 1, there is shown an architectural diagram of a preferred embodiment of the system time automatic update system 1 of the present invention. The system time automatic update system 1 can be operated in a mobile communication device such as a mobile phone or a PDA. The system time automatic update system 1 includes a world clock 10, an update module 11, a positioning module 12, a storage system 13, and a satellite signal receiving device 14.

The storage system 13 is used to record time zone, time, and the like. The time data may include system time, alarm time, and memo time of the mobile communication device.

The satellite signal receiving device 14 is configured to capture satellite signals transmitted by the satellite positioning system 2. In this embodiment, the satellite positioning system 2 is composed of a plurality of satellites for target object positioning, for example, a GPS satellite positioning system, a Beidou satellite positioning system, a Galileo satellite positioning system, and the like.

The positioning module 12 is configured to calculate latitude and longitude information of a geographic location of the mobile communication device according to the captured satellite signal.

The world clock 10 is an application for receiving the calculated latitude and longitude information, and calculating a standard time of the time zone of the current geographic location of the mobile communication device and the current geographic location according to the latitude and longitude information. The time zone is the world In the time zone, the world time zone is divided as follows: the prime meridian (zero-degree warp) passing through the Greenwich Observatory in London, England, is defined as a “zero time zone” from 7.5 degrees west longitude to 7.5 degrees east longitude. Inside, the "local time" of the zero-degree warp is "standard time", which is "Greenwich Mean Time". Then, 12 time zones are drawn from the boundary line of “Zero Time Zone” to the east and west respectively, wherein “East 12 Zone” and “West 12 Zone” coincide, that is, the world is divided into 24 time zones, each adjacent The standard time difference of the time zone is one hour, that is, the time zone in the east is one hour earlier than the time zone in the west, and each time zone uses the "local time" of the central meridian of the zone as the common "standard time" of the zone. In addition, the world clock 10 is further configured to rotate the map of the world clock 10 according to the calculated latitude and longitude information to display the current geographic location of the mobile communication device. The map of the world clock 10 can be two-dimensional or three-dimensional.

The update module 11 is configured to notify the user of the mobile communication device whether to update the mobile communication device when the time zone of the current geographic location of the mobile communication device is changed compared with the time zone recorded in the storage system 13 Time, and when the user needs to update, update the system time and other related time data with the standard time of the current geographic location of the mobile communication device. As mentioned above, other relevant time materials include alarm time and memo time.

The update module 11 is further configured to record the time zone to which the current geographic location belongs to the storage system 13 when the user needs it. After the time zone to which the current geographic location belongs is recorded in the storage system 13, when the system time automatic update system 1 is turned off and restarted, the system time is still consistent with the standard time of the current geographic location. Otherwise, if the time zone to which the current geographical location belongs is not recorded in the storage system 13 When the system time automatic update system 1 is shut down and restarted, its system time will be restored to the system time before the update.

Referring to FIG. 2, it is a flowchart of an implementation of a preferred embodiment of the system time automatic updating method of the present invention. The system time automatic update method is applied to a mobile communication device such as a mobile phone or a PDA.

In step S11, the satellite signal receiving device 14 captures the satellite signal sent by the satellite positioning system 2, and transmits the captured satellite signal to the positioning module 12. The positioning module 12 calculates the current geographic location of the mobile communication device according to the satellite signal. Longitude and latitude information.

In step S12, the positioning module 12 transmits the calculated latitude and longitude information to the world clock 10 to calculate a standard time zone of the current geographic location of the mobile communication device and the current geographic location, and the world clock 10 rotates its map. To display the current geographic location of the mobile communication device.

In step S13, the update module 11 determines whether the time zone to which the geographical location of the mobile communication device belongs is changed compared with the time zone recorded in the storage system 13. If the time zone has changed, the process proceeds to step S14. Otherwise, if the time zone has not changed, the process ends.

In step S14, the update module 11 prompts the user of the mobile communication device whether to update the system time of the transfer communication device. If it is necessary to update the system time, the process proceeds to step S15. Otherwise, if you do not need to update the system time, the process ends.

In step S15, the update module 11 updates the system time and other time data, such as the alarm time and the memo time, by using the standard time of the current geographic location of the mobile communication device. Wait.

In step S16, the mobile communication device displays the updated system time.

In step S17, the update module 11 prompts the user of the mobile communication device whether to store the time zone to which the current geographic location belongs to the storage device 13. If it is necessary to store, it proceeds to step S18. Otherwise, if no storage is required, the process ends.

In step S18, the update module 11 stores the time zone to which the current geographic location belongs to the storage system 13.

The above is only the preferred embodiment of the present invention, and has been used in a wide range of applications. Any other equivalent changes or modifications which are not departing from the spirit of the present invention should be included in the following claims. Inside.

1‧‧‧System time automatic update system

10‧‧‧World Clock

11‧‧‧Update Module

12‧‧‧ Positioning Module

13‧‧‧Storage system

14‧‧‧ Satellite signal receiving device

2‧‧‧Satellite Positioning System

Claims (7)

A system time automatic updating method is applied to a mobile communication device, the method comprising: capturing a satellite signal sent by a satellite positioning system, and calculating a latitude and longitude information of a current geographic location of the mobile communication device according to the captured satellite signal; The latitude and longitude information calculates the standard time zone of the current geographic location of the mobile communication device and the current geographic location; compares the time zone of the current geographic location of the mobile communication device with the time zone recorded in the storage unit of the mobile communication device to determine whether the time zone is A change occurs; when the time zone changes, the user of the mobile communication device is prompted to update the system time of the mobile communication device; when the user needs to update the system time, the mobile communication device is updated with the standard time of the current geographic location of the mobile communication device. System time, and display the updated system time; and prompting whether to update the time zone recorded in the storage unit with the time zone to which the current geographic location belongs, and when updating the time zone recorded in the storage unit, the mobile communication device When the shutdown is restarted, the system time is still consistent with the standard time of the current geographical location. When the time zone recorded in the storage unit is not updated, when the mobile communication device is turned off and restarted, the system time is restored to the storage unit. The system time corresponding to the recorded time zone. The method for automatically updating the system time as described in claim 1, wherein the mobile communication device is updated at a standard time of the current geographic location of the mobile communication device. The alarm time and memo time are also updated during the system time. The method for automatically updating the system time as described in claim 1, further comprising: rotating a map according to the calculated latitude and longitude information to display a current geographic location of the mobile communication device. A system time automatic updating system running in a mobile communication device, the system comprising: a storage system for recording time zone and time data; a satellite signal receiving device for capturing a satellite signal transmitted by a satellite positioning system; and a positioning module for Calculating the latitude and longitude information of the geographic location of the mobile communication device according to the captured satellite signal; the world clock is configured to receive the calculated latitude and longitude information, and calculate the time zone of the current geographical location of the mobile communication device according to the latitude and longitude information and The standard time of the current geographic location; and the update module, when the time zone of the current geographic location of the mobile communication device changes compared with the time zone recorded in the storage system, prompting the user of the mobile communication device whether to update the The system time of the mobile communication device, and when the user needs to update the system time, update the system time with the standard time of the current geographical location of the mobile communication device, and display the updated system time, prompting whether to use the current time zone belonging to the geographic location. The time zone recorded in the new storage unit. When the time zone recorded in the storage unit is updated, when the mobile communication device is turned off and restarted, the system time is still consistent with the standard time of the current geographical location, when the storage unit is not updated. When the time zone is recorded, when the mobile communication device is turned off and restarted, its system time is restored to the system time corresponding to the time zone recorded in the storage unit. The system time automatic updating system described in claim 4, wherein The time data described includes system time, alarm time and memo time. The system time automatic update system of claim 5, wherein the update module is further configured to update the alarm time and the memo time according to a standard time of the current geographic location of the mobile communication device. The system time automatic updating system of claim 4, wherein the world clock is further configured to rotate a map of the world clock according to the calculated latitude and longitude information to display a current geographic location of the mobile communication device.