Use of piezo motor to operate a ring pointer over display
A display system is disclosed. The display system includes a display for presenting a visual output to a user, a piezoelectric element overlaying the display, and a rotor disposed adjacent the piezoelectric element and in mechanical communication therewith, wherein a selective energizing of the piezoelectric element causes a rotational movement of the rotor.
1. A display system comprising:
a display having a surface at least partially viewable for presenting a visual output to a user;
a piezoelectric element overlaying at least a portion of the surface of the display; and
a rotor disposed adjacent the piezoelectric element and in mechanical communication therewith, wherein a selective energizing of the piezoelectric element causes a rotational movement of the rotor.
2. The system according to claim 1 , wherein the display is a thin-film-transistor type display.
3. The system according to claim 1 , wherein the piezoelectric element is formed from a plurality of piezoelectric crystals.
4. The system according to claim 1 , wherein the rotor is generally ring shaped.
5. The system according to claim 1 , wherein the rotor includes a pointer extending therefrom.
6. The system according to claim 1 , further comprising a means for securing the piezoelectric element and the rotor in a stacked configuration.
7. The system according to claim 1 , further comprising a light emitting diode disposed adjacent the rotor to illuminate at least a portion of the rotor.
8. The system according to claim 1 , further comprising a sensor disposed adjacent the rotor to detect at least one of a rotational speed and a rotational position of the rotor.
9. A display system comprising:
a display having a surface at least partially viewable for presenting a visual output to a user;
an annular piezoelectric element overlaying at least a portion of the surface of the display, the piezoelectric element having an aperture formed therein, wherein the visual output of the display is viewable through the aperture; and
a rotor disposed adjacent the piezoelectric element and in mechanical communication therewith, wherein a selective energizing of the piezoelectric element cause a rotational movement of the rotor.
10. The system according to claim 9 , further comprising a mechanical interface disposed between the piezoelectric element and the rotor and in mechanical communication with the piezoelectric element and the rotor.
11. The system according to claim 9 , wherein the piezoelectric element is formed from a plurality of piezoelectric crystals.
12. The system according to claim 9 , wherein the rotor is generally ring shaped.
13. The system according to claim 9 , wherein the rotor includes a pointer extending radially inwardly therefrom.
14. The system according to claim 9 , further comprising a means for securing the piezoelectric element and the rotor in a stacked configuration.
15. The system according to claim 9 , further comprising a light emitting diode disposed adjacent the rotor to illuminate at least a portion of the rotor.
16. The system according to claim 9 , further comprising a sensor disposed adjacent the rotor to detect at least one of a rotational speed and a rotational position of the rotor.
17. A display system comprising:
a display for presenting a visual output to a user;
a printed circuit board overlaying the display, the circuit board having an aperture formed therein, wherein the visual output of the display is viewable through the aperture;
an annular piezoelectric element disposed adjacent the printed circuit board and in electrical communication therewith; and
an annular rotor disposed adjacent the piezoelectric element and in mechanical communication therewith, wherein a selective energizing of the piezoelectric element causes a rotational movement of the rotor and the visual output of the display is viewable through a center of the rotor.
18. The system according to claim 17 , further comprising a means for securing the piezoelectric element and the rotor in a stacked configuration.
19. The system according to claim 17 , further comprising a light emitting diode disposed adjacent the rotor to illuminate at least a portion of the rotor.
20. The system according to claim 17 , further comprising a sensor disposed adjacent the rotor to detect at least one of a rotational speed and a rotational position of the rotor.