Electronic apparatus with segmented guiding function and small-width biometrics sensor, and guiding method thereof

1. An electronic apparatus, comprising:

a body;

a human-machine interface device disposed on the body, wherein the human-machine interface device comprises a display;

a small-width biometrics sensor disposed on the body; and

a processing module, which is disposed on the body, is electrically connected to the small-width biometrics sensor and the human-machine interface device, and cooperates with the human-machine interface device and the small-width biometrics sensor to utilize the human-machine interface device to guide different physical portions of a finger of a user to directly contact or approach the small-width biometrics sensor according to indications of the human-machine interface device, so that the small-width biometrics sensor senses the finger to capture partial physical patterns of the finger, wherein the processing module cooperates with the display to display a global virtual pattern on the display, to calculate a position of each of the partial physical patterns mapping to the global virtual pattern, and to display a partial virtual pattern corresponding to each of the partial physical patterns on the display to guide the user.

2. The electronic apparatus according to claim 1 , wherein the partial virtual patterns are sequentially displayed on the display with different states to make the user obtain the positions of the partial physical patterns.

3. The electronic apparatus according to claim 1 , wherein the partial physical patterns comprise first to N-th partial physical patterns according to a sensing order, the partial virtual patterns comprise first to N-th partial virtual patterns according to the sensing order, the processing module cooperates with the display to firstly display the first partial virtual pattern, and to display the second to N-th partial virtual patterns according to the position or positions of one or both of the first physical and partial virtual patterns to guide the user, wherein N is a positive integer greater than 1.

4. The electronic apparatus according to claim 1 , wherein the processing module cooperates with the display to display one portion of the partial virtual patterns by way of filling-coloring or clearing-wiping according to a position where the user places the finger to correspondingly show one portion of the sensed partial physical patterns.

5. The electronic apparatus according to claim 1 , wherein the human-machine interface device comprises a sound triggering module, which is disposed on the body and electrically connected to the processing module, and outputs directional sound commands to guide movement of the finger of the user.

6. The electronic apparatus according to claim 1 , further comprising a physical indicating pattern, which is formed on the body and adjacent to the small-width biometrics sensor, and provides direction indicating guides.

7. The electronic apparatus according to claim 6 , wherein the processing module cooperates with the display to display a virtual indicating pattern corresponding to the physical indicating pattern on the display to achieve a guiding function.

8. The electronic apparatus according to claim 6 , wherein the processing module judges the positions of the partial physical patterns according to a curvature vector, a density and a curvature of a texture of each of the partial physical patterns.

9. The electronic apparatus according to claim 1 , wherein the processing module forms a global physical pattern from the partial physical patterns by way of logic assembling, wherein a pattern area of the global physical pattern is greater than a sensing area of the small-width biometrics sensor.

10. The electronic apparatus according to claim 1 , wherein the small-width biometrics sensor is an area-type sensor for sensing a biometrics characteristic or pattern of the stationary finger placed on the area-type sensor.

11. The electronic apparatus according to claim 1 , wherein the small-width biometrics sensor is a sweep-type sensor for sensing a biometrics characteristic or pattern of the finger sweeping across the sweep-type sensor.

12. An electronic apparatus, comprising:

a processing module;

a human-machine interface device electrically connected to the processing module, wherein the human-machine interface device comprises a display; and

a small-width biometrics sensor electrically connected to the processing module, wherein the processing module executes a positioning algorithm and cooperates with the human-machine interface device to utilize the human-machine interface device to provide a human-machine interface, the human-machine interface comprises a virtual fingerprint image to provide an initial intelligent guide to guide different physical portions of a finger of a user to directly contact or approach the small-width biometrics sensor, so that the small-width biometrics sensor senses the finger to capture partial physical patterns of the finger, wherein the processing module executes the positioning algorithm to judge a geometric position of a first one of the captured partial physical patterns corresponding to a global physical pattern of the finger, and correspondingly maps the geometric position to the virtual fingerprint image of the display to establish a virtual geometric position on the virtual fingerprint image to display an enrolled first partial virtual pattern.

13. The electronic apparatus according to claim 12 , wherein after the processing module executes the positioning algorithm and then makes a geometric position judgement, a subsequent intelligent guide is enabled to indirectly or directly guide the user to move the finger to a predetermined position in conjunction with indications of the human-machine interface.

14. A guiding method of an electronic apparatus with a segmented guiding function, the electronic apparatus comprising a human-machine interface device and a biometrics sensor, and the human-machine interface device comprising a display, the guiding method comprising the steps of:

displaying a global virtual pattern on the display;

utilizing the biometrics sensor to capture a first partial physical pattern of a finger;

utilizing a positioning algorithm to calculate a geometric position of the finger according to the first partial physical pattern;

establishing a virtual geometric position and cooperating with the display to display the global virtual pattern and a first partial virtual pattern corresponding to the partial physical patterns; and

performing a subsequent intelligent guide according to the geometric position of the finger to utilize the biometrics sensor to capture a second partial physical pattern of the finger.

15. The guiding method according to claim 14 , further comprising, before the first partial physical pattern is captured:

utilizing the positioning algorithm and the human-machine interface device to perform an initial intelligent guide to guide the finger to directly contact or approach the biometrics sensor.

16. The guiding method according to claim 14 , further comprising, after the second partial physical pattern is captured:

judging whether the second partial physical pattern is valid according to the positioning algorithm and the subsequent intelligent guide.