TW201530096A - Portable navigator device - Google Patents

Abstract

The present invention provides a portable navigator device comprising a housing, a storage unit, a positioning unit, an input unit, a display, a indicating light unit and a processing unit. The storage unit stores a plurality of electronic maps. The positioning unit obtains current position coordinates corresponding to a current position of the portable navigator device based on a satellite signal. The input unit generates an input signal corresponding to a position of a destination. The display and the indicating light unit are mounted on the housing. The processing unit generates navigation information based on the input signal, the current position coordinates and the electronic maps. The portable navigator device is operable in one of a normal mode, and a power saving mode, where the processing unit turns off the display and controls the indicating light unit to generate an output indicative of the navigation information.

Description

Portable navigation device

The present invention relates to a portable navigation device, and more particularly to a portable navigation device adapted to be mounted on a bicycle.

The Global Positioning System (GPS) is currently used in many fields. The navigation device supporting the global satellite positioning system can calculate the position of the navigation device based on the satellite signal and provide a route planning proposal to the destination in conjunction with the pre-stored electronic map. When the navigation device is installed on the vehicle, the navigation device can continue to be powered by the vehicle; however, when the navigation device is installed on a bicycle or carried by a pedestrian, the navigation device has no external power supply to supply its power when navigating When the battery of the device is exhausted, it cannot continue to operate. Therefore, how to develop a portable navigation device with power saving effect can prolong the use time of the portable navigation device, which becomes a subject to be further discussed in this case.

Accordingly, it is an object of the present invention to provide a portable navigation device having power saving effects.

Thus, the portable navigation device of the present invention comprises a casing, a storage unit, a positioning unit, an input unit, a display screen, a reminder light unit and a processing unit. The storage unit is disposed in the housing and stores a plurality of electronic maps. The positioning unit is disposed in the housing and can obtain a current position coordinate of a current position of the portable navigation device according to a satellite signal. The input unit is disposed in the housing and is configured to generate an input signal corresponding to a location of a destination. The display screen is disposed on the housing and exposed to the housing. The indicator light unit is disposed on the housing and exposed to the housing. The processing unit is disposed in the housing and electrically connected to the storage unit, the positioning unit, the input unit, the display screen, and the prompt light unit. The processing unit can generate a navigation information according to the input signal, the current location coordinate, and the electronic maps. The portable navigation device is operable in a normal mode and a power saving mode. In the normal mode, the processing unit controls the display screen to display the navigation information. In the power saving mode, the processing unit controls the display screen to be turned off, and controls the indicator light unit to issue a pair of indication outputs that should be navigation information.

Preferably, the cue light unit can emit light of a plurality of colors And the processing unit controls the indicator light unit to emit light of one color according to an angle between a turning direction indicated by the navigation information and a traveling direction of the portable navigation device.

Preferably, when the navigation information indicates a turning direction and the When the corner of the traveling direction of the portable navigation device is within a first angle range, the processing unit controls the indicator light unit to emit a light of a first color, when the navigation information indicates a turning direction and the portable type When the corner of the traveling direction of the navigation device is within a second angle range, the processing unit controls The prompting light unit emits a light of a second color, and when the corner of the turning direction indicated by the navigation information and the traveling direction of the portable navigation device are within a third angle range, the processing unit controls the prompt The light unit emits a third color of light.

Preferably, all angles in the third angular range are greater than the All angles in the second angular range, all angles in the second angular range being greater than all angles in the first angular range, and the third color is red, the second color is blue, and the first color is green.

Preferably, the prompt light unit comprises an electrical connection to the processing order a left turn indicator light and a right turn prompt light, when the navigation information indicates a left turn, the processing unit controls the left turn indicator light to emit as the indication output, when the navigation information indicates a right turn, the The processing unit controls the right turn indicator light to illuminate as the indication output.

Preferably, the housing has a first side edge spaced from each other and a second side edge, the left turn indicator light and the right turn indicator light are adjacent to the first side edge and the second side edge, respectively.

The effect of the invention is to display the screen through the display in the power saving mode. Turning off to reduce power consumption, and outputting an indication output corresponding to the navigation information through the indicator light unit that consumes less power than the display screen, so that the user can know the navigation information via the prompt light unit.

100‧‧‧Portable navigation device

1‧‧‧shell

11‧‧‧First side edge

12‧‧‧Second side

2‧‧‧ storage unit

3‧‧‧ Positioning unit

4‧‧‧ input unit

5‧‧‧ Display screen

6‧‧‧tip light unit

61‧‧‧Left turn indicator light

62‧‧‧right turn indicator light

7‧‧‧Processing unit

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a hardware connection of a preferred embodiment of the portable navigation device of the present invention. FIG. 2 is a schematic diagram showing the appearance of the portable navigation device, illustrating the portable navigation device operating in a normal mode; FIG. 3 is a schematic diagram of the portable navigation device, illustrating the portable The navigation device operates in a power saving mode.

Referring to Figures 1 through 3, a preferred embodiment of the portable navigation device 100 of the present invention is shown. The portable navigation device 100 includes a housing 1, a storage unit 2, a positioning unit 3, an input unit 4, a display screen 5, a reminder light unit 6, and a processing unit 7.

The housing 1 has a first side edge 11 and a second side edge 12 spaced apart from each other. The storage unit 2 is disposed in the casing 1 and stores a plurality of electronic maps. The positioning unit 3 is disposed on the housing 1 and can obtain a current position coordinate corresponding to the current position of the portable navigation device 100 according to a satellite signal. The input unit 4 is disposed in the housing 1 and is used to generate an input signal corresponding to a location of a destination. The display screen 5 is disposed on the housing 1 and exposed to the housing 1. The display screen 5 and the input unit 4 of the embodiment are respectively a liquid crystal screen and a touch module, and together form a touch screen.

The indicator light unit 6 is disposed on the housing 1 and exposed to the housing 1. The cue light unit 6 includes a left turn cue light 61 and a right turn cue light 62. The left turn indicator light 61 and the right turn indicator light 62 are adjacent to the first side edge 11 and the second side edge 12 of the housing 1, respectively. The left turn alert light 61 and the right turn alert light 62 can emit light of a plurality of colors. In this embodiment, the left turn prompt light 61 and the right turn prompt light 62 are respectively an LED light, and can emit a first color, a second The color and the light of a third color, wherein the first color is green, the second color is blue, and the third color is red.

The processing unit 7 is disposed on the housing 1 and electrically connected to the storage unit 2. The positioning unit 3, the input unit 4, the left turn indicator light 61 and the right turn indicator light 62 of the display screen 5 and the indicator light unit 6. The processing unit 7 can generate a navigation information according to the input signal, the current location coordinate, and the electronic maps.

The portable navigation device 100 can operate in a normal mode and Power saving mode. In the normal mode (as shown in FIG. 2), the processing unit 7 controls the display screen 5 to display navigation information. The display screen 5 can display information such as a map indicated by the navigation information, a suggested route, and a turn alert.

In the power saving mode (as shown in Figure 3), the processing unit 7 controls The display screen 5 is turned off to reduce the power consumption of the portable navigation device 100. The processing unit 7 also controls the cue lamp unit 6 to issue a pair of indication outputs that should be navigation information. When the navigation information indicates a left turn, the processing unit 7 controls the left turn prompt light 61 to emit light as the indication output. When the navigation information indicates a right turn, the processing unit 7 controls the right turn prompt light 62 to emit light as the indication output. The processing unit 7 of the present embodiment controls the left turn warning light 61 and the right turn warning light 62 to emit light in a blinking manner.

It is worthwhile to note that the processing unit 7 is based on the navigation information. The angle between the indicated turning direction and the traveling direction of the portable navigation device 100 controls the light indicating that the light unit 6 emits one of the colors. When the corner of the turning direction indicated by the navigation information and the traveling direction of the portable navigation device 100 are within a first angle range, the processing unit 7 controls the prompt light list. The light 6 emits light of a first color; when the corner of the turning direction indicated by the navigation information and the traveling direction of the portable navigation device 100 are within a second angle range, the processing unit 7 controls the lighter unit 6 to issue the first The light of the two colors; when the corner of the turning direction indicated by the navigation information and the traveling direction of the portable navigation device 100 are within a third angle range, the processing unit 7 controls the light of the light 6 to emit the light of the third color. Wherein all of the angles within the third range of angles are greater than all of the angles within the second range of angles, all of the angles within the second range of angles being greater than all of the angles within the first range of angles. The first angular range of the embodiment includes an angle greater than 0 degrees and not greater than 60 degrees, the second angular range includes an angle greater than 60 degrees and not greater than 120 degrees, and the third angular range includes greater than 120 degrees and no greater than 180 degrees angle. For example, when the navigation information indicates a left turn and the angle between the left turn direction and the traveling direction of the portable navigation device 100 is 90 degrees, the processing unit 7 controls the left turn prompt light 61 of the prompt light unit 6 to blink blue. Light. Thereby, the portable navigation device 100 can prompt the user of the magnitude of the turning width by the color of the light emitted by the light unit 6.

In summary, the portable navigation device 100 of the present invention saves power In the mode, the display screen 5 is turned off to reduce power consumption, and the indicator light unit 6 that consumes less power than the display screen 5 outputs an indication output corresponding to the navigation information, thereby achieving power saving effect, so as to extend the portable navigation device. In addition, the portable navigation device 100 can also send the light of different colors through the prompt light unit 6 to prompt the user to the magnitude of the turning width, so that the object of the present invention can be achieved.

However, the above is only the preferred embodiment of the present invention. The scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the present invention in the scope of the invention and the patent specification are still within the scope of the invention.

100‧‧‧Portable navigation device

2‧‧‧ storage unit

3‧‧‧ Positioning unit

4‧‧‧ input unit

5‧‧‧ Display screen

6‧‧‧tip light unit

61‧‧‧Left turn indicator light

62‧‧‧right turn indicator light

7‧‧‧Processing unit

Claims (5)

A portable navigation device includes: a casing; a storage unit disposed in the casing and storing a plurality of electronic maps; a positioning unit disposed in the casing and capable of obtaining a pair according to a satellite signal The current position coordinate of the current position of the navigation device; an input unit disposed in the housing and configured to generate an input signal corresponding to a location of the destination; a display screen disposed on the housing and exposed to the housing; a light-emitting unit is disposed on the housing and exposed to the housing; a processing unit is disposed on the housing and electrically connected to the storage unit, the positioning unit, the input unit, the display screen, and the indicator light unit The processing unit can generate a navigation information according to the input signal, the current position coordinate, and the electronic maps; the portable navigation device can operate in a normal mode and a power saving mode, and in the normal mode, the processing The unit controls the display screen to display the navigation information; in the power saving mode, the processing unit controls the display screen to be closed, and controls the indicator light unit to emit a pair The navigation instructions output information. The portable navigation device of claim 1, wherein the prompt light unit is capable of emitting light of a plurality of colors, the processing unit according to the navigation The angle between the direction of the turn indicated by the information and the direction of travel of the portable navigation device controls the indicator light unit to emit light of one of the colors. The portable navigation device of claim 2, wherein the processing unit controls when a corner of the turning direction indicated by the navigation information and a traveling direction of the portable navigation device are within a first angle range The prompting light unit emits a light of a first color, and when the corner of the turning direction indicated by the navigation information and the traveling direction of the portable navigation device are within a second angle range, the processing unit controls the prompt light The unit emits a light of a second color, and when the corner of the direction indicated by the navigation information and the traveling direction of the portable navigation device are within a third angle range, the processing unit controls the indicator light unit to emit a light The light of the third color. The portable navigation device of claim 1, wherein the prompting light unit comprises a left turn prompt light and a right turn prompt light electrically connected to the processing unit, and when the navigation information indicates a left turn, the processing The unit controls the left turn indicator light to emit as the indication output. When the navigation information indicates a right turn, the processing unit controls the right turn indicator light to emit as the indication output. The portable navigation device of claim 4, wherein the housing has a first side edge and a second side edge spaced apart from each other, and the left turn indicator light and the right turn prompt light are adjacent to the first a side edge and the second side edge.