Recording and reproducing a 3-dimensional image

An apparatus for resolving 3-dimensional optical information, in recording 3-dimensional image information, comprising:

• a light shielder with left and right transparent shielder portions which are arranged vertical to a ground surface;
• an optical system through which said optical information is collimated;
• a multiple slit grating having opaque portions and a number y transparent grating portions defining a Fresnel zone behind the grating, said transparent grating portions being arranged vertical to the ground surface, said transparent grating portions resolving said image information into a number 2y of 3-dimensional image information r.sub.1, r.sub.2, r.sub.3 . . . r.sub.y, l.sub.1, l.sub.2, l.sub.3 . . . l.sub.y ;
• and
• an image plane positioned within the Fresnel zone behind the multiple slit grating, on which an image without deficit or overlap is produced with a sequence of l.sub.1, r.sub.1, l.sub.2, r.sub.2, . . . l.sub.y, r.sub.y.

A 3-dimensional camera for recording 3-dimensional image information, comprising:

• a light shielder with and left and right transparent portions which are arranged vertical to a ground surface;
• an optical system for collimating optical information emitted by a subject;
• a resolving means placed behind said optical system and resolving the collimated optical information into 3-dimensional optical information for realizing again a 3-dimensional image, the resolving means having a Fresnel zone;
• and
• a film installed at an image plane placed within the Fresnel zone behind said resolving means.

A method for recording 3-dimensional optical information comprising the steps of:

• passing optical information of a subject through a light shielder with left and right transparent portions, the light shielder being arranged vertical to a ground surface;
• collimating said optical information of said subject through an optical system;
• passing said optical information through a 3-dimensional optical information resolving means having a Fresnel zone to resolve into 3-dimensional optical information;
• and
• realizing a 3-dimensional image on a film placed at a certain distance within the Fresnel zone behind said 3-dimensional optical information resolving means.

An apparatus for resolving 3-dimensional optical information, in recording 3-dimensional image information, comprising:

• a light shielder having left and right transparent shielder portions, the transparent shielder portions being arranged vertical to a ground surface, the left and right transparent portions each being y in number;
• an optical system through which said optical information is refracted;
• a multiple slit grating having transparent portions each with a first width and opaque grating portions each with a second width, the ratio of said first width to said second width being 1:(2y-1), said opaque and transparent grating portions being arranged vertical to the ground surface, each of said transparent grating portions resolving said image information into a number 2y of 3-dimensional image information;
• and
• an image plane positioned behind the multiple slit grating on which an image without deficit or overlap is produced.