System for the projection of stereoscopic motion pictures

A method for projecting stereoscopic images, comprising:

• providing light energy through a length of film having frames each comprising two sideframes identically oriented 90 degrees from a preferred viewing orientation;
• receiving light energy transmitted through the length of film at an image receiving lens and transmitting images from the image receiving lens;
• reorienting images to the preferred viewing orientation;
• and
• registering images reoriented to the preferred viewing orientation to a screen using a plurality of optical refractive elements.

A length of stereoscopic film comprising a plurality of frames, the length of stereoscopic film configured to be employed in a projection system comprising an image forming stage, a rotation stage, a registration stage, and a polarization stage to provide stereoscopic images in a preferred transmission orientation to a screen, each frame in the length of stereoscopic film comprising:

• a first sideframe comprising a first image, the first image having a preferred viewing orientation, wherein the first image is rotated a predetermined angular amount from the preferred viewing orientation and disposed substantially on the left half of one frame;
• a second sideframe comprising a second image, the second image also having the preferred viewing orientation, wherein the second image is rotated the predetermined angular amount from the preferred viewing orientation and disposed substantially on the right half of the one frame;
• and
• a vertically oriented line separating the first sideframe from the second sideframe.

A system for projecting stereoscopic images, comprising:

• a light source configured to provide light energy toward a length of film having frames each comprising a first subframe oriented 90 degrees from a preferred viewing orientation and a second subframe oriented 180 degrees from the first subframe;
• an image receiving lens configured to receive light energy transmitted through the length of film;
• and
• an optical arrangement configured to receive images as light energy from the image receiving lens, the optical arrangement comprising:
• means for reorienting images to the preferred viewing orientation and registering images reoriented to the preferred viewing orientation to a screen, wherein said means for reorienting and registering comprise a plurality of optical refractive elements.

A method for projecting stereoscopic images, comprising:

• providing light energy through a length of film having frames each comprising a first subframe oriented 90 degrees from a preferred viewing orientation and a second subframe oriented 180 degrees from the first subframe;
• receiving light energy transmitted through the length of film at an image receiving lens arrangement and transmitting images from the image receiving lens arrangement;
• reorienting and altering focus of images to the preferred viewing orientation using an afocal extender;
• and
• registering images reoriented to the preferred viewing orientation to a screen using a plurality of optical refractive elements.

A system for projecting stereoscopic images, comprising:

• a light source configured to provide light energy to a length of film having frames each comprising two sideframes in a head-to-head orientation, each sideframe oriented 90 degrees from a preferred viewing orientation;
• an image receiving lens configured to receive light energy transmitted through the length of film;
• an image receiving afocal extender configured to receive light energy transmitted through the length of film and adjust focal length for the image receiving lens;
• and
• an optical arrangement configured to receive images as light energy from the image receiving afocal extender, wherein the optical arrangement comprises:
• means for reorienting images to the preferred viewing orientation and registering images reoriented to the preferred viewing orientation projected onto a screen, wherein the means for reorienting and registering comprise a plurality of optical refractive elements.

A system for projecting stereoscopic images, comprising:

• a light source configured to provide light energy to a length of film having frames each comprising a first subframe oriented 90 degrees from a preferred viewing orientation and a second subframe aside the first subframe and also oriented 90 degrees from the preferred viewing orientation;
• an image receiving lens configured to receive light energy transmitted through the length of film;
• an afocal extender configured to receive light energy transmitted through the image receiving lens and decrease focal length of the image receiving lens;
• and
• an optical arrangement configured to receive images as light energy from the afocal extender, the optical arrangement comprising:
• means for reorienting images to the preferred viewing orientation and registering images reoriented to the preferred viewing orientation to a screen, wherein said means for reorienting and registering comprise a plurality of optical refractive elements
• wherein the afocal extender facilitates providing an optical device comprising the optical arrangement for use with an existing projection device.

A method for projecting stereoscopic images, comprising:

• providing light energy through a length of film having frames each comprising a first subframe oriented 90 degrees from a preferred viewing orientation and a second subframe aside the first subframe and also oriented 90 degrees from the preferred viewing orientation;
• receiving light energy transmitted through the length of film at an image receiving lens arrangement and transmitting images from the image receiving lens arrangement;
• altering focal length of light energy associated with images received from the image receiving lens arrangement using an afocal extender;
• reorienting images to the preferred viewing orientation;
• and
• registering images reoriented to the preferred viewing orientation to a screen using a plurality of optical refractive elements.

A system for projecting stereoscopic images, comprising:

• a light source configured to provide light energy to a length of film having frames each comprising two sideframes, each sideframe oriented an identical 90 degrees from a preferred viewing orientation;
• an image receiving lens configured to receive light energy transmitted through the length of film;
• an image receiving afocal extender configured to receive light energy transmitted through the length of film;
• and
• an optical arrangement configured to receive images as light energy from the image receiving afocal extender, wherein the optical arrangement comprises:
• a reorienting and registering arrangement configured to reorient images to the preferred viewing orientation and registering images reoriented to the preferred viewing orientation projected onto a screen, wherein the reorienting and registering arrangement comprises a plurality of optical refractive elements.