1. A device for transporting a human subject over a surface, the device comprising:
a platform defining a fore-aft plane, the platform supporting a payload including the human subject;
a ground contacting module, including a ground-contacting member movably coupled to the platform, the device including any load having a center of gravity, the center of gravity having a position defined with respect to the ground-contacting member;
a support for supporting the subject, the support coupled to the platform in such a manner as to permit variation of the position of the center of gravity in the fore-aft plane by translation and rotation of the support; and
a drive, coupled to the ground-contacting module, for delivering power to the ground-contacting module in a manner responsive to the position of the center of gravity.
2. The device according to claim 1, wherein the support rotates about a virtual pivot point above the support.
3. The device according to claim 1, wherein the support includes a mechanical linkage.
4. The device according to claim 3, wherein the mechanical linkage is a pivotally coupled bar linkage.
5. The device according to claim 1, further comprising:
a pressure sensor coupled to the platform for sensing a subject and activating the drive.
6. The device according to claim 5, further comprising:
a mechanical contact for contacting the pressure sensors coupled to the platform when a subject is supported by the support.
7. The device according to claim 1, wherein the support includes a seat.
8. The device according to claim 2, wherein the seat is slideably mounted.
9. The device according to claim 2, wherein the support includes one or more rails and rotation of the seat occurs when the seat slides along the rails.
10. The device according to claim 9, wherein the rails include one or more sprockets that engage with protrusions coupled to a seat for rotating the seat.
11. The device according to claim 9, wherein the support includes one or more wheels that allow the support to slide along the rails.
12. The device according to claim 1, wherein the drive supplies force so as to balance the vehicle.
13. The device according to claim 1, wherein the support includes a convex radial base which couples to the platform.
14. The device according to claim 1, wherein the support includes a convex radial base is coupled to the platform at a movable contact point.
15. The device according to claim 1, further comprising:
a damper for damping movement of the support.
16. The device according to claim 15, wherein the damper causes the support to return to a pre-determined position relative to the platform.
17. The device according to claim 16, wherein the pre-determined position causes the device to return to a stable position.
18. The device according to claim 1, wherein rotation and translation of the seat are mechanically coupled together.
19. The device according to claim 1, wherein the support includes a convex bottom for contacting the platform, wherein the convex bottom has a plurality of radii of curvature.
20. A transportation device, the transportation device having an associated center of gravity, the device comprising:
a platform;
a motor;
a ground contacting module coupled to the motor for propelling the transportation device;
a control module coupled to the motor for providing a control signal to the motor that is based at least in part on the center of gravity of the device and any load on the device; and
a support for supporting a user, at least a portion of the support being capable of translating and rotating with respect to the platform.
21. The device according to claim 20, wherein the control module provides a signal to the motor that is based at least on the center of gravity of the device including any load on the device.
22. The device according to claim 20, wherein the support includes a seat, wherein if a user of the device causes the seat to translate the seat will also rotate.
23. The device according to claim 20, wherein the support has a convex surface which allows the support to rock.
24. A transportation device, the transportation device having an associated center of gravity including any load on the device, the device comprising:
a platform
a motor
a ground contacting module coupled to the motor for propelling the transportation device;
a control module coupled to the motor for providing a control signal to the motor that is based at least in part on the center of gravity of the device; and
a support for supporting a user, the support having a universal pivot point.
25. A device for transporting a human subject over a surface, the device comprising:
a platform defining a fore-aft plane, the platform supporting a payload including the human subject;
a ground contacting module, including a ground-contacting member movably coupled to the platform, the platform and the ground-contacting module being components of an assembly having a center of gravity including the payload, the center of gravity having a position defined with respect to the ground-contacting member;
a support for supporting the subject, the support coupled to the platform in such a manner as to permit variation of the position of the center of gravity in the fore-aft plane by motion of the support; and
a drive, coupled to the ground-contacting module, for delivering power to the ground-contacting module in a manner responsive to the position of the center of gravity;
wherein the support has a pivot allowing motion of the support about an axis substantially transverse to the fore-aft plane and wherein the pivot point is movable about the fore-aft plane.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A stereoscopic display method comprising:
providing a plurality of stereoscopic images by providing a plurality of stereoscopic display panels, at least one border being disposed between two of the stereoscopic display panels adjacent to each other;
adding at least one stripe segment in each of the stereoscopic images, the stripe segments being adjacent to the border such that the stripe segments and the border form a floating frame when an observer observes the stripe segments and the border using both eyes of the observer; and
adjusting a width of each of the stripe segments such that a depth of field of the floating frame is substantially the same as a depth of field of the stereoscopic images adjacent to the floating frame.
2. The stereoscopic display method of claim 1, wherein the width of each of the stripe segments substantially satisfies:
W
=
xI
D
–
x
,
where W denotes the width of each of the stripe segments, x denotes the depth of field of the stereoscopic images adjacent to the border, I denotes a distance between the both eyes of the observer, and D denotes a vertical distance between the both eyes of the observer and the stereoscopic display panels.
3. The stereoscopic display method of claim 1, wherein the border at least comprises a first portion and a second portion, each of the stripe segments comprises a first sub stripe segment and a second sub stripe segment, the first sub stripe segments are adjacent to the first portion of the border, the second sub stripe segments are adjacent to the second portion of the border, each of the stereoscopic images comprises a first part and a second part, when the observer observes the first sub stripe segments and the first portion of the border using the both eyes of the observer, the first sub stripe segments and the first portion of the border form a first sub floating frame, when the observer observes the second sub stripe segments and the second portion of the border using the both eyes of the observer, the second sub stripe segments and the second portion of the border form a second sub floating frame, the first sub floating frame and the second sub floating frame form the floating frame, the first parts of the stereoscopic images are adjacent to the first sub floating frame, and the second parts of the stereoscopic images are adjacent to the second sub floating frame; and
wherein adjusting the width of each of the stripe segments comprises:
adjusting a width of each of the first sub stripe segments such that a depth of field of the first sub floating frame is the same as a depth of field of the first parts of the stereoscopic images; and
adjusting a width of each of the second sub stripe segments such that a depth of field of the second sub floating frame is the same as a depth of field of the second parts of the stereoscopic images.
4. The stereoscopic display method of claim 3, wherein the width of each of the first sub stripe segments is different from the width of each of the second sub stripe segments.
5. The stereoscopic display method of claim 1, further comprising:
canceling the stripe segment in each of the stereoscopic images when the depth of field of the stereoscopic images adjacent to the floating frame is located on a rear side of the stereoscopic display panels opposite to the both eyes of the observer.
6. The stereoscopic display method of claim 1, wherein a displayed color of each of the stripe segments is substantially the same as a color of the border.
7. The stereoscopic display method of claim 1, wherein adding the stripe segment comprises:
adding the plurality of stripe segments adjacent to each other in each of the stereoscopic images.
8. The stereoscopic display method of claim 7, wherein adding the plurality of stripe segments further comprises:
adjusting a displayed color of each of the stripe segments, and the displayed color being made by mixing a color of the border and an image color of the stereoscopic image adjacent to each of the stripe segments.
9. The stereoscopic display method of claim 8, wherein the displayed color of each of the two stripe segments adjacent to each other is different from each other.
10. The stereoscopic display method of claim 8, wherein the farther the distance between each of the stripe segments and the border is, the greater the weight of the image color is for the displayed colors of the different stripe segments.
11. The stereoscopic display method of claim 7, wherein a number of the stripe segments in each of the stereoscopic images is the same.
12. The stereoscopic display method of claim 1, further comprising:
detecting a distance between the both eyes of the observer and a vertical distance between the both eyes of the observer and the stereoscopic display panels; and
adjusting the width of each of the stripe segments on two opposite sides of the border based on the distance between the both eyes of the observer and the vertical distance between the both eyes of the observer and the stereoscopic display panels.
13. The stereoscopic display method of claim 1, further comprising:
detecting viewing zones where the both eyes of the observer are located; and
adjusting the width of each of the stripe segments on two opposite sides of the border respectively based on the viewing zones where the both eyes of the observer are located.