1. An ambulatory vehicle for transporting a load from a first location to a second location, comprising:
a beam assembly comprising a first track, a second track and a third track, the third track configured to bear the load placed thereon, the load configured to shift along a length of the beam assembly;
a first leg assembly coupled to the first track of the beam assembly, the first leg assembly configured to support the beam assembly and move along the length of the beam assembly; and
a second leg assembly coupled to the second track of the beam assembly, the second leg assembly configured to support the beam assembly, move along the length of the beam assembly, and exchange places along the length of the beam assembly with the first leg assembly, wherein the first leg assembly or the second leg assembly are coupled to the beam assembly using a gimbal mount and wherein the first leg assembly passes through or outside of the second leg assembly.
2. The ambulatory vehicle of claim 1, further comprising a third leg assembly coupled to a fourth track of the beam assembly, the third leg assembly configured to support the beam assembly, move along the length of the beam assembly, and to exchange places along the length of the beam assembly with the first leg assembly or the second leg assembly.
3. The ambulatory vehicle of claim 1, wherein a first leg and a second leg are configured to retract from terrain prior to moving along the length of the beam assembly.
4. The ambulatory vehicle of claim 1, wherein the third track is further configured to shift a load placed on the third track relative to the beam assembly or a first leg to maintain a center of gravity of the system over a second leg while the first leg exchanges places along the length of the beam assembly with the second leg.
5. The ambulatory vehicle of claim 1, further comprising a load placed on the third track, wherein the load, the beam assembly or the second leg is configured to shift relative to a travel surface to maintain a center of gravity of the system over a first leg while a second leg exchanges places along the length of the beam assembly with the first leg.
6. The ambulatory vehicle of claim 1, further including a housing configured for the ambulatory system to operate in harsh environments.
7. The ambulatory vehicle of claim 1, wherein the first leg assembly is configured to recover braking energy.
8. The ambulatory vehicle of claim 1, wherein the second leg assembly includes legs configured to telescope.
9. The ambulatory vehicle of claim 1, further comprising roller on the third track and a load on the roller, the load configured to shift on the roller along a length of the third track.
10. An ambulatory vehicle for transporting a load from a first location to a second location, comprising:
a beam assembly comprising a first track, a second track and a third track, the third track configured to bear the load placed thereon, the load configured to shift along a length of the beam assembly;
a first leg assembly coupled to the first track of the beam assembly using a gimbal mount, the first leg assembly configured to support the beam assembly and to move along the length of the beam assembly, the first leg assembly further configured such that the beam assembly can rotate 360 degrees around the gimbal mount of the first leg assembly; and
a second leg assembly coupled to the second track of the beam assembly using a gimbal mount, the second leg assembly configured to support the beam assembly, move along the length of the beam assembly, and exchange places along the length of the beam assembly with the first leg assembly, wherein the first leg assembly passes through the second leg assembly.
11. An ambulatory vehicle for transporting a load from a first location to a second location, comprising:
a beam assembly comprising a first track, a second track and a third track, the third track configured to bear the load placed thereon, the load configured to shift along a length of the beam assembly;
a first leg assembly comprising a first leg, the first leg assembly coupled to the first track of the beam assembly and configured to support the beam assembly and move along the length of the beam assembly; and
a second leg assembly comprising a second leg, the second leg assembly coupled to the second track of the beam assembly and configured to support the beam assembly and move along the length of the beam assembly, the second leg assembly configured to pass around or pass through or outside the first leg, the first leg assembly configured to pass through the second leg assembly, wherein the first leg assembly or the second leg assembly are coupled to the beam assembly using a gimbal mount.
12. The ambulatory vehicle of claim 11, wherein a load placed on the third track, the beam assembly, or the first leg assembly are configured to shift relative to a travel surface to maintain a center of gravity over the second leg while the first leg exchanges places with the second leg.
13. The ambulatory vehicle of claim 11, further comprising a third leg assembly coupled to a fourth track of the beam assembly, the third leg assembly configured to support the beam assembly, move along the length of the beam assembly, and pass around or pass through the first leg assembly or the second leg assembly.
14. The ambulatory vehicle of claim 11, wherein the first leg is configured to pass through the second leg.
15. The ambulatory vehicle of claim 11, wherein the third track is configured to shift a load placed thereon and to maintain a movable center of gravity through movement of the load.
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 method comprising:
driving first and second laser light sources to produce one pixel in an image, wherein the first and second laser light sources produce light of substantially the same wavelength.
2. The method of claim 1 wherein the first and second laser light sources are driven simultaneously to reduce apparent speckle.
3. The method of claim 2 wherein the first and second laser light sources are driven with substantially equal power.
4. The method of claim 2 wherein the first and second laser light sources are driven with unequal power.
5. The method of claim 1 wherein the first and second laser light sources are driven at different times within one pixel time.
6. The method of claim 1 wherein the first and second laser light sources are driven simultaneously only when a desired output power exceeds a maximum output power provided by either the first or second laser light source.
7. The method of claim 1 wherein the first laser light source is driven to produce the one pixel during a first frame, and the second laser light source is driven to produce the one pixel during a second frame.
8. A method comprising:
determining a desired output power of a display pixel;
when the desired output power is below a threshold, driving a first laser light source during a first time period, and driving a second laser light source during a second time period, wherein the first and second laser light sources emit light of substantially equal wavelengths; and
when the desired output power exceeds the threshold, simultaneously driving the first and second laser light sources during the first and second time periods.
9. The method of claim 8 wherein simultaneously driving the first and second laser light sources comprises driving the first and second laser light sources equally to produce substantially equal output power levels.
10. The method of claim 8 wherein simultaneously driving the first and second laser light sources comprises driving the first and second laser light sources unequally to produce unequal output power levels.
11. An apparatus comprising:
a scanning mirror to sweep a light beam in a raster pattern to display pixels as the light beam is modulated;
at least two laser light sources that produce light of substantially the same wavelength to contribute to the light beam; and
an image processing component to determine a desired luminance for one pixel and to drive the at least two laser light sources to produce light for the one pixel.
12. The apparatus of claim 11 wherein the image processing component alternates driving the at least two laser light sources for alternate frames.
13. The apparatus of claim 11 wherein the image processing component drives the at least two laser light sources at different times within a time to display the one pixel.
14. The apparatus of claim 11 wherein the at least two laser light sources comprises at least two laser light sources to produce green light.
15. The apparatus of claim 11 wherein the at least two laser light sources comprises at least two green laser light sources, at least two blue laser light sources, and at least two red laser light sources.
16. A mobile device comprising:
an image source;
at least two sources of laser light of the same wavelength;
a scanning mirror to reflect a light beam received from the at least two sources of laser light; and
an image processing component to receive image pixel data from the image source and to determine display pixel data to drive the at least two sources of laser light to create the light beam.
17. The mobile device of claim 16 wherein the image processing component drives the at least two sources of laser light simultaneously.
18. The mobile device of claim 16 wherein the image processing component alternately drives the at least two sources of laser light within one display pixel time.
19. The mobile device of claim 16 wherein the image processing component alternately drives the at least two sources of laser light from frame to frame.
20. The mobile device of claim 16 further comprising a wireless interface.