Film presentation system

Claim 2

An automatic picture film presentation system comprising projector means for supporting and advancing a strip of film and projecting a visual presentation from the information on the film, and control means for providing control signals for regulating the operation of said projector means in at least three different modes of operation to project a visual componentpresentation from the film for each mode of its operation, said modes including a first motion mode wherein the film is moved at the standard speed for motion picture projection, at least one other motion mode where the film is moved at a predetermined constant speed substantially slower than the standard speed for motion picture projection, and a third mode wherein the film is stopped at individual frames to display still pictures, said control means comprising a record carrier having an audio track and a control track containing first, second and third control signals comprising tones of different predetermined frequencies corresponding to said first, second and third operation modes, respectively, a separate tone-sensitive relay for each mode of operation of said projector means with each of said relays being operable by a different one of said frequency tones, said relays being connected in the circuit between said control track and said projector means for selectively passing the respective control signal to said projector means for actuating said projector means to operate in the related mode, and means for continuously moving said record carrier at a constant speed during each of said operating modes and in a manner such that the movement of said record carrier is independent of control by the filmstrip, said control signals being provided in predetermined sequence to automatically and sequentially change the mode of operation of said projection means without manual intervention and at predetermined time intervals so as to project a visual composite-presentation comprised of said component-presentations.

Claim 3

An automatic picture film presentation system comprising projector means for supporting and advAncing a strip of film and projecting a visual presentation from the information on the film, and control means for providing control signals for regulating the operation of said projector means in at least three different modes of operation to project a visual component-presentation from the film for each mode of its operation, said modes including a first motion mode wherein the film is moved at the standard speed for motion picture projection, at least one other motion mode where the film is moved at a predetermined constant speed substantially slower than the standard speed for motion picture projection, and a third mode wherein the film is stopped at individual frames to display still pictures, said control means comprising a record carrier having an audio track and a control track containing first, second and third control signals corresponding to said first, second and third operation modes, respectively, actuator means coupled to said projector means and including means for selectively generating pulse signals at three different rates corresponding to said three operation modes, and switching means selectively interconnecting the record carrier control track with said actuator means as a function of the signal on said control track, said control means controlling said projector means to synchronize the visual presentation with said audio track, and means for continuously moving said record carrier at a constant speed during each of said operating modes and in a manner such that the movement of said record carrier is independent of control by the film strip, said control signals being provided in predetermined sequence to automatically and sequentially change the mode of operation of said projection means without manual intervention and at predetermined time intervals so as to project a visual composite-presentation comprised of said component-presentations.

Claim 4

An automatic picture film presentation system comprising projector means for supporting and advAncing a strip of film and projecting a visual presentation from the information on the film, and control means for providing control signals for regulating the operation of said projector means in at least three different modes of operation to project a visual component-presentation from the film for each mode of its operation, said modes including a first motion mode wherein the film is moved at the standard speed for motion picture projection, at least one other motion mode where the film is moved at a predetermined constant speed substantially slower than the standard speed for motion picture projection, and a third mode wherein the film is stopped at individual frames to display still pictures, said control means comprising a record carrier having an audio track and a control track containing first, second and third control signals corresponding to said first, second and third operation modes, respectively, actuator means coupled to said projector means and including means for selectively generating pulse signals at three different rates corresponding to said three operation modes, and switching means selectively interconnecting the record carrier control track with said actuator means as a function of the signal on said control track, said control means controlling said projector means to synchronize the visual presentation with said audio track, and means for continuously moving said record carrier at a constant speed during each of said operating modes and in a manner such that the movement of said record carrier is independent of control by the film strip, said control signals being provided in predetermined sequence to automatically and sequentially change the mode of operation of said projection means without manual intervention and at predetermined time intervals so as to project a visual composite-presentation comprised of said component-presentations.

Claim 5

A system as called for in claim 2, comprising stop means that include cuing means on the filmstrip itself, said stop means being operatively associated with said projector means and actuated by said cuing means on the filmstrip to control the movement of the filmstrip from film movement to a stop position of the film at a single predetermined frame.

Claim 6

A film presentation system as called for in claim 2, including means for stopping the film at a specific predetermined frame, said stopping means including light sensitive means at one side of the path of the film and a light source at the other side of said path, said stopping means further comprising track means disposed along the filmstrip, said track means including at least one generally opaque portion and at least one relatively light-transmitting portion aligned along said track means, said track means being disposed intermediate said light source and said light sensitive means, said light sensitive means being operatively associated with said projector means to change the operation of said projector means between operation modes when said light sensitive means is actuated by said light source, said portions being positioned along said track so as to accurately stop the moving film at a predetermined single frame in which said opaque portion is aligned with said light sensitive means and said light source.

Claim 7

A film presentation system as called for in claim 2 wherein said switching means includes a separate tone-sensitive relay for each mode of operation of said projector means for actuating said projector means to operate in the related mode, each of said relays being operable by a tone having a different predetermined frequency, said control signal comprising tones of said different frequencies.

Claim 8

A system as described in claim 2 including means for generating stop signals by said film for controlling the stopping of the film at individual frames, said system further comprising signal interrupt means connected between said switching means and said actuator means and responsive to said stop signals to block the transmission path therebetween upon receipt of a stop signal from said film.

Claim 9

A system as described in claim 6 wherein said switching means includes a frequency sensitive relay associated with each of said control track signals for actuating said projector means to operate in the related mode, said first, second and third control signals being of different frequencies, and said actuator means comprises a rotating drum having a notched channel corresponding to each of said relays for generating signal pulses at different repetition rates related to the corresponding operation mode of the projector.

Claim 10

An automatic picture film presentation system comprising projector means for supporting and advancing a strip of film and projecting a visual presentation from the information on the film, and control means for providing control signals for regulating the operation of said projector means in at least three different modes of operation to project a visual component-presentation from the film for each mode of its operation, said modes including a first motion mode wherein the film is moved at the standard speed for motion picture projection, at least one other motion mode where the film is moved at a predetermined constant speed substantially slower than the standard speed for motion picture projection, and a third mode wherein the film is stopped at individual frames to display still pictures, said control means comprising a record carrier having an audio track and a control track containing first, second and third control signals corresponding to said first, second and third operation modes, respectively, said record carrier comprising a continuously running tape having a sound recording thereon and means whereby said tape generates the control signals to coordinate the sound and visual presentation, and said control means further includes means responsive to an electrical characteristic of the tape control signals which is independent of the spacing of said signals on the tape for stepping said film advancing means at a different rate for each tape control signal in a manner such that the stepping rate is independent of the signal spacing on the tape, and means for continuously moving said record carrier at a constant speed during each of said operating modes and in a manner such that the movement of said record carrier is independent of control by the filmstrip, said control signals being provided in predetermined sequence to automatically and sequentially change the mode of operation of said projection means without manual intervention and at predetermined time intervals so as to project a visual composite-presentation comprised of said component-presentations.

Claim 11

An automatic picture film presentation system comprising projector means for supporting and advancing a strip of film and projecting a visual presentation from the information on the film, and control means for providing control signals for regulating the operation of said projector means in at least three different modes of operation to project a visual component-presentation from the film for each mode of its operation, said modes including a first motion mode wherein the film is moved at the standard speed for motion picture projection, at least one other motion mode where the film is moved at a predetermined constant speed substantially slower than the standard speed for motion picture projection, and a third mode wherein the film is stopped at individual frames to display still pictures, said control means comprising a record carrier having an audio track and a control track containing first, second and third control signals corresponding to said first, second and third operation modes, respectively, said record carrier comprising a continuously running tape having a sound recording thereon and means whereby said tape generates the control signals to coordinate the sound and visual presentation, and said control means further includes means responsive to an electrical characteristic of the tape control signals which is independent of the spacing of said signals on the tape for stepping said film advancing means at a different rate for each tape control signal in a manner such that the stepping rate is independent of the signal spacing on the tape, and means for continuously moving said record carrier at a constant speed during each of said operating modes and in a manner such that the movement of said record carrier is independent of control by the filmstrip, said control signals being provided in predetermined sequence to automatically and sequentially change the mode of operation of said projection means without manual intervention and at predetermined time intervals so as to project a visual composite-presentation comprised of said component-presentations.