Author: claimsbot

1. Method for encoding and reconstructing video holograms, where optically vertical focusing means (2) image vertically adequately coherent light emitted by a line light source (1) and modulated by electronically controllable pixels of a holographic array (3) into a viewing plane (5) with viewing windows (8r, 8l), in order to holographically reconstruct a three-dimensional scene within one diffraction order by way of diffraction at the pixels and to render this scene visible from the viewing windows (8r, 8l) for both eyes (R, L) of an observer, wherein
the controllable pixels encode two separate holograms of the same scene in separate pixel columns (15-16\u2033), one for each of the viewer’s eyes (R, L), said holograms being one-dimensional in the vertical direction, where the pixels are arranged in separate column groups (15, 15\u2032, 15\u2033 and 16, 16\u2032, 16\u2033) so that the two one-dimensional holograms are horizontally interleaved, and
an image separation means (7) with separating elements arranged parallel to the pixel columns (15-16\u2033) reveals the respective pixel columns (15, 15\u2032, 15\u2033 or 16, 16\u2032, 16\u2033) for one eye and covers them for the other eye.
2. Method according to claim 1 where the holograms for both of the observer’s eyes (R, L) encode a horizontal parallax according to the eye to eye separation distance.
3. Method according to claim 1 where local changes in the observer’s eye positions are tracked by an eye position tracking system.
4. Method according to claim 3 where the holographic encoding of the pixels in the pixel columns (15-16\u2033) is updated according to a change in eye positions.
5. Method according to claim 4 where the reconstructed scene (11) is encoded so that it will appear for the observer at a fixed horizontal andor vertical andor axial position if the eye positions change.
6. Method according to claim 4 where the reconstructed scene (11) is encoded so that it appears for the observer horizontally andor vertically displaced andor turned depending on a horizontal andor vertical andor axial change in the eye positions.
7. Method according to claim 3 where the viewing windows (8R, 8L) are tracked by vertically displacing the line light source (1) if the eye positions change vertically.
8. Method according to claim 3 where the viewing windows (8R, 8L) are tracked by horizontally displacing the column groups (15-16\u2033) in relation to the image separation means (7) if the eye positions change horizontally.
9. Method according to claim 3 where the viewing windows (8R, 8L) are tracked by horizontally displacing the separating elements of the image separation means (7) in relation to the pixel columns (15-16\u2033) if the eye positions change horizontally.
10. Method according to claim 3 where the distance between the light source (1) and the optical focusing means (2) is adapted accordingly if the eye positions change axially.
11. Device for encoding and reconstructing video holograms, comprising a line light source (1) emitting light, which is adequately coherent in one direction and an optical focusing means (2), in order to holographically reconstruct a scene in frustum-shaped reconstruction spaces (12r, 12l) after modulating the light by controllable pixels arranged in a holographic array (3), characterized by
the line light source (1) being arranged horizontally so that its light shows adequate coherence in the vertical direction,
the controllable pixels are arranged in pixel columns (15-16\u2033), with one column group (15, 15\u2032 and 16, 16\u2032, respecively) for each of a viewer’s eyes (R, L), and contain one-dimensional, vertically encoded holograms of the same scene, where both column groups (15, 15\u2032 and 16, 16\u2032) are interleaved horizontally, and
there is an image separation means (7) with separating elements arranged parallel to the pixel columns (15-16\u2033), that reveals the pixel columns (15, 15\u2032, 15\u2033 or 16, 16\u2032, 16\u2033, respectively) for one eye and covers them for the other eye.
12. Device according to claim 11 where several adjoining pixel columns each are combined to form common multiple pixel columns, where every multiple pixel column can be selected as a whole for the respective eye by the image separating means (7), in order to suppress cross-talking between the reconstructions of the holograms andor to adjust the size of the viewing windows.
13. Device according to claim 12 where the pixel columns of a multiple pixel column modulate the light differently.
14. Device according to claim 11 where the pixels are transmissive andor reflective and modulate the amplitude andor optical phase of the coherent light.
15. Device according to claim 11 where the optical focusing means (2) is a vertically focusing cylindrical lens, Fresnel lens or lenticular.
16. Device according to claim 11 where the image separation means (7) is a barrier mask, lenticular or prism mask.
17. Device according to claim 11 where the image separation means (7) is a barrier mask with transparent stripes which reveal the column groups intended for one eye of the viewer and with non-transparent stripes which cover the other column groups for that eye.
18. Device according to claim 16 where the pitch of the separating elements of the barrier mask (7), the prism mask or the lenticular is about twice the horizontal pitch of the corresponding column group of the controllable pixel array.
19. Device according to claim 11 where the controllable pixels are arranged so that the sub-pixels for colour reconstruction or the pixels are disposed one below the other vertically for detour phase encoding.
20. Device according to claim 12 where the viewing windows (8r, 8l) have at least the size of a pupil, are defined by the width of the image separation means (7) in horizontal direction for each eye, and are such that the centres of the two windows (8r, 8l) are about an eye distance apart.
21. Device according to claim 12 where the viewing windows (8R, 8L) for the two eyes (R, L) have a vertical extension which is not greater than the periodicity interval of one diffraction order (6) but which is not smaller than a pupil.

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 toothless gear speed reducer, comprising
an electric motor having a drive shaft supported by bearings configured on an upper end and on a lower end;
at least one planar planetary gear train further comprising
an inclined plane conical drive gear attached to, or formed of, the drive shaft of the motor;
a plurality of conical deceleration driven gears driven on the exterior inclined surface by the inclined exterior surface of the drive gear, and having an output gear surface speed substantially equal to the input gear surface speed;
an inclined plane outer gear case drive ring; and
an outer gear case connected to the drive ring;
wherein the drive shaft at a center of the electric motor drives and rotates the inclined plane cone drive gear, the inclined plane outer gear case drive ring drives and rotates the outer gear case, and contact forces between conical inclined planes are used to achieve a superior driving force.
2. The toothless gear speed reducer according to claim 1, wherein unidirectional or bidirectional fixing blocks are configured between the inclined plane drive ring and the outer gear case.
3. The toothless gear speed reducer according to claim 1, wherein the inclined plane cone drive gear and the plurality of conical deceleration driven gears are one layer or multilayer multiple deceleration structures.

1. An axial ball bearing, comprising a housing having a top and a bottom and which is open on the top and has a housing pin arranged on the bottom of the housing, a ball with a pivot pin and a bearing shell arranged between the housing and the ball, wherein the housing comprises at least one elastic damping element for impact damping on the housing, the elastic damping element is disposed on the housing near the housing pin.
2. The axial ball bearing according to claim 1, wherein the damping element has an annular shape.
3. The axial ball bearing according to claim 2, wherein the housing at the bottom includes an unprotected housing surface, which is set back with respect to the at least one annular damping element, and which is formed between the annular damping element and the housing pin.
4. The axial ball bearing according to claim 2, wherein the bottom of the housing includes a shoulder and wherein the annular damping element is inserted in the shoulder.
5. The axial ball bearing according to claim 2, wherein the annular damping element is inserted in a groove on the housing side of the housing that includes the housing pin.
6. The axial ball bearing according to claim 5, wherein the annular damping element is at least partially made of an elastomer.
7. The axial ball bearing according to claim 2, wherein the annular damping element comprises a plastic ring and an elastomer overmolded on the plastic ring.
8. The axial ball bearing according to claim 2, wherein the annular damping element is vulcanized directly to the housing.
9. The axial ball bearing according to claim 2, wherein the annular damping element is adhesively bonded directly to the housing.
10. The axial ball bearing according to claim 2, wherein the annular damping element is pressed onto the housing.
11. The axial ball bearing according to claim 2, wherein the annular damping element comprises a plastic ring having a spring characteristic.
12. The axial ball bearing according to claim 2, wherein the annular damping element comprises a metal insert.
13. The axial ball bearing according to claim 2, wherein the shoulder or the groove has an undercut.
14. The axial ball bearing according to claim 2, wherein the annular damping element is exclusively made of a metal.
15. The axial ball bearing according to claim 1, further comprising several damping elements which are placed on the housing side of the housing that has the housing pin.
16. The axial ball bearing according to claim 15, wherein the damping elements are constructed as segments of a circle.
17. The axial ball bearing according to claim 15, wherein the damping elements have a circular shape.
18. The axial ball bearing according to claim 15, wherein the damping elements are inserted in recesses on the housing side that has the housing pin.
19. The axial ball bearing according to claim 15, wherein the damping elements are at the least partially made of an elastomer.
20. The axial ball bearing according to claim 15, wherein the damping elements are made of a combination of plastic and an elastomer overmolded on the plastic.
21. The axial ball bearing according to claim 15, wherein the damping elements are vulcanized directly on the housing.
22. The axial ball bearing according to claim 15, wherein the damping elements are adhesively bonded directly onto the housing.
23. The axial ball bearing according to claim 15, wherein the damping elements are pressed into corresponding recesses on the housing side of the housing that has the housing pin.
24. The axial ball bearing according to claim 15, wherein the damping elements comprise a metallic insert.
25. The axial ball bearing according to claim 15, wherein the recesses comprise undercuts which improved seating of the damping elements.
26. The axial ball bearing according to claim 15, wherein the damping elements are made exclusively of metal.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. A music box comprising:
(a) a box with a lid;
(b) a first memory for storing a sound coupled to said box;
2. The music box of claim 1 further comprises:
(c) a light sensitive sensor coupled to said memory for triggering the playing of its stored sound.
3. The music box of claim 1 further comprising a timing means coupled to said sound producing device.
4. The music box of claim 2 wherein said sensor is placed on said box.
5. The music box of claim 2 wherein said sensor is placed on said lid.
6. The music box of claim 1 wherein said memory contains at least one song or sound.
7. The music box of claim 1 further comprises:
(c) a second memory coupled to record means for recording a voice or other sound into said second memory.
8. The music box of claim 7 wherein said second memory is a permanent memory.
9. The music box of claim 7 wherein said second memory is a temporary memory.
10. A method of actuating a sound storage device located in a music box having a lid, comprising the steps of:
(a) placing a light sensitive sensor on said music box wherein said sensor is obscured from an ambient light when the lid is in a closed position;
(b) triggering a memory output when said sensor is exposed to ambient light.
11. The method of claim 10 further comprises:
(c) selecting a stored output in the memory;
12. The method of claim 11 further comprises selecting a stored song from a selection of at least one songs.
13. The method of claim 10 further comprises:
(c) selecting a volume for the output.
14. The method of claim 10 further comprises conditioning said output.