Thermomagnetic motion-picture-recording and magnetoptic tv-reproducing method and system

Claim 1

The method of reproducing and displaying picture information on a screen, comprising the steps of: providing sequentially light beams modulated in accordance with motion-picture-type information in sequential frames; providing a motion of a black and white film in a first direction; recording the intensities of the sequential beams as sequential frames on a black and white film as modulation in areas extending in a second direction and having a variable width in the first direction; providing a thermomagnetic duplicate of the recorded images on the black and white film; and magneto-optically reproducing the magnetic recording for obtaining a visual reproduction of the sequential picture information.

Claim 2

The method of reproducing and displaying picture information on a screen, comprising the steps of: providing sequentially light beams modulated in accordance with motion-picture-type information in sequential frames; providing a motion of a black and white film in a first direction; recording the intensities of the sequential beams as sequential frames on a black and white film as modulation in areas extending in a second direction and having a variable width in the first direction; providing a thermomagnetic duplicate of the recorded images on the black and white film; and magneto-optically reproducing the magnetic recording for obtaining a visual reproduction of the sequential picture information.

Claim 3

A system for reproducing motion-picture-type information on a display tube, comprising: means for sequentially providing radiation fields representative of sequential picture frames, the fields each being comprised of interlocking pluralities of first and second incremental fields defined by the characteristics of being reSpectively above and below a threshold, the relative size of adjacent ones of the first and second incremental fields varying in accordance with local variations of characteristics of a picture frame definable as a local intensity variation; an elongated magnetic storage carrier progressively exposed to the sequentially provided radiation fields to become temporarily responsive to magnetization below room temperature coercivity where exposed to the first incremental fields of the pluralities and becoming unresponsive to such magnetization subsequent to the exposure, while remaining unresponsive to such magnetization where exposed to the second incremental fields of the pluralities; means magnetizing the carrier, so that the magnetization where exposed to the first incremental fields after reversion differs from the magnetization where exposed to the second incremental fields; magneto-optic means coupled to the carrier as magnetized by magnetizing means for providing optical contrast fields corresponding to the different magnetizations; signal means coupled to the magneto-optic means scanning the optical contrast field and providing an electrical signal representative thereof; and means connected to the signal means and including a display tube and a control circuit for controlling the visual display by the tube and being responsive to the electrical signal to obtain a visual reproduction of the sequential picture frames.

Claim 4

A system for reproducing motion-picture-type information on a display tube, comprising: means for sequentially providing radiation fields representative of sequential picture frames, the fields each being comprised of interlocking pluralities of first and second incremental fields defined by the characteristics of being reSpectively above and below a threshold, the relative size of adjacent ones of the first and second incremental fields varying in accordance with local variations of characteristics of a picture frame definable as a local intensity variation; an elongated magnetic storage carrier progressively exposed to the sequentially provided radiation fields to become temporarily responsive to magnetization below room temperature coercivity where exposed to the first incremental fields of the pluralities and becoming unresponsive to such magnetization subsequent to the exposure, while remaining unresponsive to such magnetization where exposed to the second incremental fields of the pluralities; means magnetizing the carrier, so that the magnetization where exposed to the first incremental fields after reversion differs from the magnetization where exposed to the second incremental fields; magneto-optic means coupled to the carrier as magnetized by magnetizing means for providing optical contrast fields corresponding to the different magnetizations; signal means coupled to the magneto-optic means scanning the optical contrast field and providing an electrical signal representative thereof; and means connected to the signal means and including a display tube and a control circuit for controlling the visual display by the tube and being responsive to the electrical signal to obtain a visual reproduction of the sequential picture frames.

Claim 6

A system for reproducing motion-picture-type information on a display tube, comprising: means for providing a movement of a photographic film in first direction; means for exposing the photographic film to the information and recording same in sequential frames, each having interlocking pluralities of essentially opaque and essentially clear image elements in accordance with a two-dimensional pattern, the essentially opaque and essentially clear elements extending in a second direction transverse to the first direction, the relative width in the direction of adjacent opaque and essentially clear image elements varying in accordance with local variations of characteristics of a picture frame definable as local contrast variation; a magnetic storage carrier coupled to progressive portions of the developed photographic film; means for irradiating the storage carrier through the photographic film where coupled to the carrier, radiation reaching the carrier through clear picture elements rendering the respective portion of the carrier temporarily responsive to magnetization below room temperature coercivity of the carrier, while becoming subsequently unresponsive again, respectively adjacent portions of the carrier remaining unresponsive to such magnetization during irradiation; means magnetizing the carrier so that the remanent magnetization of the carrier where having been rendered responsive to below room temperature coercivity magnetization differs from the magnetization of the carrier where remained unresponsive to such magnetization during exposure by the irradiating means; magneto-optic means coupled to the carrier as magnetized by magnetizing means, or to a copy thereof, for providing optical contrast fields corresponding to the different magnetizations; signal means coupled to the magneto-optical means scanning the optical contrast field and providing an electrical signal representative thereof; and means connected to the signal means and including a display tube and a control circuit for controlling the visual display by the tube and being responsive to the electrical signal to obtain a visual reproduction of the sequential picture frames.

Claim 7

A system for reproducing motion-picture-type information on a display tube, comprising: means for providing a movement of a photographic film in first direction; means for exposing the photographic film to the information and recording same in sequential frames, each having interlocking pluralities of essentially opaque and essentially clear image elements in accordance with a two-dimensional pattern, the essentially opaque and essentially clear elements extending in a second direction transverse to the first direction, the relative width in the direction of adjacent opaque and essentially clear image elements varying in accordance with local variations of characteristics of a picture frame definable as local contrast variation; a magnetic storage carrier coupled to progressive portions of the developed photographic film; means for irradiating the storage carrier through the photographic film where coupled to the carrier, radiation reaching the carrier through clear picture elements rendering the respective portion of the carrier temporarily responsive to magnetization below room temperature coercivity of the carrier, while becoming subsequently unresponsive again, respectively adjacent portions of the carrier remaining unresponsive to such magnetization during irradiation; means magnetizing the carrier so that the remanent magnetization of the carrier where having been rendered responsive to below room temperature coercivity magnetization differs from the magnetization of the carrier where remained unresponsive to such magnetization during exposure by the irradiating means; magneto-optic means coupled to the carrier as magnetized by magnetizing means, or to a copy thereof, for providing optical contrast fields corresponding to the different magnetizations; signal means coupled to the magneto-optical means scanning the optical contrast field and providing an electrical signal representative thereof; and means connected to the signal means and including a display tube and a control circuit for controlling the visual display by the tube and being responsive to the electrical signal to obtain a visual reproduction of the sequential picture frames.

Claim 9

A system for obtaining recording and reproduction of pictorial information on a storage carrier, the combination comprising: first means for providing radiant energy to the storage carrier to heat the carrier above a particular temperature in first areas separated by second areas not heated above the particular temperature, and including means for providing controlled variations of the radiant energy to obtain local relative size variations in the first and second areas where the carrier is heated above the particular temperature and in accordance with sequential, picture information fields; second means coupled to the first means for obtaining the controlled variations of the radiant energy in accordance with the luminance of sequentially presented picture information fields; third means coupled to the carrier for magnetizing the carrier to obtain magnetization in the first areas which temporarily exceeded the particular temperature and a different magnetization in the second areas of the carrier, thereby defining magnetic images of the picture information fields; and means including a source of polarized radiation coupled to the magnetized carrier to magneto-optically produce optical contrast fields each representative of the first and second areas on the carrier, as defining the magnetic images of the picture information fields.

Claim 10

A system for obtaining recording and reproduction of pictorial information on a storage carrier, the combination comprising: first means for providing radiant energy to the storage carrier to heat the carrier above a particular temperature in first areas separated by second areas not heated above the particular temperature, and including means for providing controlled variations of the radiant energy to obtain local relative size variations in the first and second areas where the carrier is heated above the particular temperature and in accordance with sequential, picture information fields; second means coupled to the first means for obtaining the controlled variations of the radiant energy in accordance with the luminance of sequentially presented picture information fields; third means coupled to the carrier for magnetizing the carrier to obtain magnetization in the first areas which temporarily exceeded the particular temperature and a different magnetization in the second areas of the carrier, thereby defining magnetic images of the picture information fields; and means including a source of polarized radiation coupled to the magnetized carrier to magneto-optically produce optical contrast fields each representative of the first and second areas on the carrier, as defining the magnetic images of the picture information fields.

Claim 14

The method of motion-picture-type reproduction of pictorial information on a TV screen, comprising the steps of: providing on a film dimensionally modulated image information representing sequential image frames where the modulations extend in areas in a first direction and have in a second direction variable widths representing such image information; providing a movement of the film in the direction of the variable widths; thermomagnetically copying the dimensionally modulated image information from the film on a low-Curie-point storage carrier to obtain the image information as size-modulated areas of particular magnetization interlocked with complementarily modulated areas of different magnetization; magneto-optically reproducing the recorded information by providing progressing contrast fields of the differently magnetized areas; scanning the optical contrast fields to obtain at least one scan signal train; and controlling a display tube in accordance with the scan signal train to obtain optical reproduction of the sequential image frames.

Claim 15

The method of motion-picture-type reproduction of pictorial information on a TV screen, comprising the steps of: providing on a film dimensionally modulated image information representing sequential image frames where the modulations extend in areas in a first direction and have in a second direction variable widths representing such image information; providing a movement of the film in the direction of the variable widths; thermomagnetically copying the dimensionally modulated image information from the film on a low-Curie-point storage carrier to obtain the image information as size-modulated areas of particular magnetization interlocked with complementarily modulated areas of different magnetization; magneto-optically reproducing the recorded information by providing progressing contrast fields of the differently magnetized areas; scanning the optical contrast fields to obtain at least one scan signal train; and controlling a display tube in accordance with the scan signal train to obtain optical reproduction of the sequential image frames.

Claim 24

The method of reproducing motion-picture-type information on a picture tube comprising the steps: providing magnetic images representative of sequential motion picture frames as regular patterns of magnetic, variable-size areas upon a magnetizable storage carrier, adjacent areas of the pattern constituting image elements and having differently oriented magnetizations, the step for providing magnetic images including the providing of a variable-width line pattern and controlling the variable width in accordance with picture information, adjacent lines of the carrier obtaining different magnetization; providing on the storage carrier a magnetization track of characteristically modulated areas in accordance with audio information; scanning the variable magnetic patterns to provide at least one signal train representative thereof; reproducing the track on the storage carrier; producing audible signals representative of the audio information; and processing the signal train to obtain visible information on the picture tube.

Claim 25

The method of reproducing motion-picture-type information on a picture tube comprising the steps: providing magnetic images representative of sequential motion picture frames as regular patterns of magnetic, variable-size areas upon a magnetizable storage carrier, adjacent areas of the pattern constituting image elements and having differently oriented magnetizations, the step for providing magnetic images including the providing of a variable-width line pattern and controlling the variable width in accordance with picture information, adjacent lines of the carrier obtaining different magnetization; providing on the storage carrier a magnetization track of characteristically modulated areas in accordance with audio information; scanning the variable magnetic patterns to provide at least one signal train representative thereof; reproducing the track on the storage carrier; producing audible signals representative of the audio information; and processing the signal train to obtain visible information on the picture tube.

Claim 30

The method of reproducing a soundtrack on a photographic film comprising the steps of: imaging the soundtrack onto the photographic film as alternating transparent-opaque strips of variable area size, the strips extending as to their respective long dimension transverse to the direction of the track they define; providing a thermomagnetic copy of the strips to establish a track of magnetic strips of alternatingly directed magnetization; reproducing the magnetic track to provide a modulated carrier signal; and demodulating the carrier for audible reproduction of the demodulation.

Claim 31

The method of reproducing a soundtrack on a photographic film comprising the steps of: imaging the soundtrack onto the photographic film as alternating transparent-opaque strips of variable area size, the strips extending as to their respective long dimension transverse to the direction of the track they define; providing a thermomagnetic copy of the strips to establish a track of magnetic strips of alternatingly directed magnetization; reproducing the magnetic track to provide a modulated carrier signal; and demodulating the carrier for audible reproduction of the demodulation.

Claim 32

The method of reproducing a color film with soundtrack, comprising the steps of: providing on a high contrast black and white film a variable-size area pattern of alternating opaque and transparent areas, the alternation to occur in at least one direction, defining a plurality of images of each color film frame, a first one of the images representing luminance of the color film frame, the second and third one of the images representing different chrominances of the color film frame; providing on said film an image of the soundtrack as variable area size pattern, alternating opaque and transparent areas of the pattern extending along the track; thermomagnetically copying the content of the black and white film onto a magnetic tape with opaque areas on the film being copied as a particular magnetization on the tape, transparent areas on the film copied as different magnetization thereon; reproducing the video information on the magnetic tape to provide signals representing luminance and chrominance; reproducing the audio information on the magnetic tape to provide signals representing the soundtrack on the tape; processing the signals representing luminance and chrominance to obtain a polychromatic display corresponding to the picture of the color film; and processing the signals representing the soundtrack to provide audible information in accordance with the soundtrack on the color film.

Claim 33

The method of reproducing a color film with soundtrack, comprising the steps of: providing on a high contrast black and white film a variable-size area pattern of alternating opaque and transparent areas, the alternation to occur in at least one direction, defining a plurality of images of each color film frame, a first one of the images representing luminance of the color film frame, the second and third one of the images representing different chrominances of the color film frame; providing on said film an image of the soundtrack as variable area size pattern, alternating opaque and transparent areas of the pattern extending along the track; thermomagnetically copying the content of the black and white film onto a magnetic tape with opaque areas on the film being copied as a particular magnetization on the tape, transparent areas on the film copied as different magnetization thereon; reproducing the video information on the magnetic tape to provide signals representing luminance and chrominance; reproducing the audio information on the magnetic tape to provide signals representing the soundtrack on the tape; processing the signals representing luminance and chrominance to obtain a polychromatic display corresponding to the picture of the color film; and processing the signals representing the soundtrack to provide audible information in accordance with the soundtrack on the color film.

Claim 34

The method of reproducing polychromatic information on the screen of a color display tube comprising the steps of: providing a plurality a radiation fields representing the polychromatic information and having intensity modulations of different chrominant significance where the intensity modulations extend in successive areas in a first direction and have different widths in a second direction transverse to the first direction in accordance with variations in the polychromatic information and the intensity modulations of different chromatic significance; thermomagnetically recording the plurality of radiation fields in a corresponding plurality of record frames in a particular magnetic pattern, the thermomagnetic recording including the initial application of a magnetic field in a first direction and the application of a weak magnetic field in a second direction different from the first direction to obtain the recording of the second magnetic field where the intensity modulations of the radiation field have particular characteristics; magneto-optically reproducing the recordings and providing a plurality of optical contrast fields; converting the optical contrast fields into three signals; and controlling a color display tube with these three signals to obtain a visible reproduction of the polychromatic information.

Claim 35

The method of reproducing polychromatic information on the screen of a color display tube comprising the steps of: providing a plurality a radiation fields representing the polychromatic information and having intensity modulations of different chrominant significance where the intensity modulations extend in successive areas in a first direction and have different widths in a second direction transverse to the first direction in accordance with variations in the polychromatic information and the intensity modulations of different chromatic significance; thermomagnetically recording the plurality of radiation fields in a corresponding plurality of record frames in a particular magnetic pattern, the thermomagnetic recording including the initial application of a magnetic field in a first direction and the application of a weak magnetic field in a second direction different from the first direction to obtain the recording of the second magnetic field where the intensity modulations of the radiation field have particular characteristics; magneto-optically reproducing the recordings and providing a plurality of optical contrast fields; converting the optical contrast fields into three signals; and controlling a color display tube with these three signals to obtain a visible reproduction of the polychromatic information.

Claim 42

The method of reproducing picture information on the screen of a picture display tube, comprising the steps of: providing sequentially light beams modulated in accordance with motion-picture-type information in sequential frames; providing a movement of a black and white filM in a first direction; recording the intensities of the sequential beams as sequential frames on a black and white film where the intensities are recorded as successive areas in a direction transverse to the direction of movement of the film, the successive areas having variable widths in the direction of movement of the black and white film; providing a thermomagnetic recording of the recorded images on the black and white film; magneto-optically reproducing the magnetic recording and including the providing of sequential raster scan signals in accordance with sequential frames; processing the scan signals for obtaining signals for controlling a picture display tube; and feeding the signals as obtained to the picture display tube control circuit for obtaining a visual reproduction of the sequential picture information on the screen of the picture tube.

Claim 43

The method of reproducing picture information on the screen of a picture display tube, comprising the steps of: providing sequentially light beams modulated in accordance with motion-picture-type information in sequential frames; providing a movement of a black and white filM in a first direction; recording the intensities of the sequential beams as sequential frames on a black and white film where the intensities are recorded as successive areas in a direction transverse to the direction of movement of the film, the successive areas having variable widths in the direction of movement of the black and white film; providing a thermomagnetic recording of the recorded images on the black and white film; magneto-optically reproducing the magnetic recording and including the providing of sequential raster scan signals in accordance with sequential frames; processing the scan signals for obtaining signals for controlling a picture display tube; and feeding the signals as obtained to the picture display tube control circuit for obtaining a visual reproduction of the sequential picture information on the screen of the picture tube.

Claim 44

A device for obtaining recording of polychromatic information on a magnetic storage carrier, the combination comprising: first means for providing radiant energy to the storage carrier to heat the carrier above a particular temperature along first areas separated by second areas not heated above the particular temperature, and including means for providing controlled variations of the radiant energy to obtain local relative size variations in the first and second areas where the carrier is heated above the particular temperature; second means coupled to the first means for obtaining the controlled variations of the radiant energy on a repetitive basis in accordance with the luminance of sequential polychromatic information frames and covering a first portion of the storage carrier for each such frame; third means coupled to the first means for obtaining the controlled intensity variations of the radiant energy in accordance with at least one chrominance component of each of the polychromatic information frames covering a second portion of the storage carrier for each such frame; and means coupled to the carrier for magnetizing the carrier to obtain magnetization in the area which temporarily exceeded the particular temperature and a different magnetization in the remaining areas of the carrier, first and second portions of the carrier being oriented in relation to each other so that resulting recording of luminance and the one chrominance component of the same frame are recorded in physical proximity to each other.

Claim 45

A device for obtaining recording of polychromatic information on a magnetic storage carrier, the combination comprising: first means for providing radiant energy to the storage carrier to heat the carrier above a particular temperature along first areas separated by second areas not heated above the particular temperature, and including means for providing controlled variations of the radiant energy to obtain local relative size variations in the first and second areas where the carrier is heated above the particular temperature; second means coupled to the first means for obtaining the controlled variations of the radiant energy on a repetitive basis in accordance with the luminance of sequential polychromatic information frames and covering a first portion of the storage carrier for each such frame; third means coupled to the first means for obtaining the controlled intensity variations of the radiant energy in accordance with at least one chrominance component of each of the polychromatic information frames covering a second portion of the storage carrier for each such frame; and means coupled to the carrier for magnetizing the carrier to obtain magnetization in the area which temporarily exceeded the particular temperature and a different magnetization in the remaining areas of the carrier, first and second portions of the carrier being oriented in relation to each other so that resulting recording of luminance and the one chrominance component of the same frame are recorded in physical proximity to each other.