Audio-visual apparatus

Claim 1

An apparatus for presenting visual information and audio information by using an audio-visual slide including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: means for projecting the transparency of the slide; driving means for moving said slide to the projecting position in said projecting means and returning the same to its original position; said driving means including reciprocally movable driving means having: a sliding mechanism slidable in a direction for feeding the slide to its projecting position; and control means for detecting an end position of said mechanism and stopping the mechanism from sliding; said sliding mechanism having a portion engageable with said slide, said sliding mechanism comprising a rotatable circular member, a slidable member linked to and reciprocated by said rotatable circular member, and a driving member for selectively driving said rotatable member and said slidable member, and said control means includes first and second switching members disposed so that they are changed over by a cam provided on said rotatable circular member and that they are reversed by cams provided at the locations corresponding to the projecting position and discharged position of said slide, whereby said driving member may be selectively operated by said switching members until deactivated when said first and second switching members are changed over by said cam, thereby retaining said slide at its projecting position or at its discharged position, tape driving means for driving the magnetic tape in said slide when the slide is in said projecting position; and reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including: a head member and a moving means for detecting a start mark provided on said tape at a point thereof corresponding to the starting end of the audio information to thereby move said head member; whereby said slide is moved to said projecting position so that the visual information recorded on the transparency in said slide and the audio information recorded on said magnetic tape in said slide may be reproduced simultaneously.

Claim 2

An apparatus for presenting visual information and audio information by using an audio-visual slide including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: means for projecting the transparency of the slide; driving means for moving said slide to the projecting position in said projecting means and returning the same to its original position; said driving means including reciprocally movable driving means having: a sliding mechanism slidable in a direction for feeding the slide to its projecting position; and control means for detecting an end position of said mechanism and stopping the mechanism from sliding; said sliding mechanism having a portion engageable with said slide, said sliding mechanism comprising a rotatable circular member, a slidable member linked to and reciprocated by said rotatable circular member, and a driving member for selectively driving said rotatable member and said slidable member, and said control means includes first and second switching members disposed so that they are changed over by a cam provided on said rotatable circular member and that they are reversed by cams provided at the locations corresponding to the projecting position and discharged position of said slide, whereby said driving member may be selectively operated by said switching members until deactivated when said first and second switching members are changed over by said cam, thereby retaining said slide at its projecting position or at its discharged position, tape driving means for driving the magnetic tape in said slide when the slide is in said projecting position; and reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including: a head member and a moving means for detecting a start mark provided on said tape at a point thereof corresponding to the starting end of the audio information to thereby move said head member; whereby said slide is moved to said projecting position so that the visual information recorded on the transparency in said slide and the audio information recorded on said magnetic tape in said slide may be reproduced simultaneously.

Claim 3

An apparatus for presenting visual information and audio information by using a plurality of juxtaposed audio-visual slides each including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: projecting means for the transparencies of the slides; first driving means for moving each slide to the projecting position in said projecting means and returning the same to its original position; tape driving means for driving the magnetic tape in each slide when the slide is in said projecting position; reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including: a head member and a moving means for detecting a start mark provided on said tape at a point thereof corresponding to the starting end of the audio information to thereby move said head member; and second driving means for advancing said slides as a group by the distance equal to the thickness of one slide, sAid slides being placed in a path to the projecting position and connected together so that they can move together in their direction of advancement and can individually displace in the direction to the projecting position, said second driving means including: an engaging member for engaging at least one of said juxtaposed slides; a first cam slidable engageable with said engaging member and rotatable to move said engaging member vertically and advancing said group of slides by a distance equal to the thickness of one slide; a second cam concentric with said first cam and slidably engageable with a switching member; and a driving member for driving said first and second cams, said driving member being deactivated by said switching member; said first driving means including: a reciprocally movable driving means having a sliding mechanism slidable in the direction for feeding the slides to their projecting position, said mechanism consisting of a rotatable circular member, a slidable member linked to and reciprocated by said rotatable member, and a driving member for selectively driving said reciprocally slidable member and said rotatable member, said slidable member being engageable with said slides to move to the projecting position, said rotatable circular member being provided with a cam member; and a second switching member provided at a location substantially corresponding to the position said cam assumes for discharging the slides, said second switching member being changed over to its closed position by said cam and connected with said switching member.

Claim 4

An apparatus for presenting visual information and audio information by using a plurality of juxtaposed audio-visual slides each including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: projecting means for the transparencies of the slides; first driving means for moving each slide to the projecting position in said projecting means and returning the same to its original position; tape driving means for driving the magnetic tape in each slide when the slide is in said projecting position; reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including: a head member and a moving means for detecting a start mark provided on said tape at a point thereof corresponding to the starting end of the audio information to thereby move said head member; and second driving means for advancing said slides as a group by the distance equal to the thickness of one slide, sAid slides being placed in a path to the projecting position and connected together so that they can move together in their direction of advancement and can individually displace in the direction to the projecting position, said second driving means including: an engaging member for engaging at least one of said juxtaposed slides; a first cam slidable engageable with said engaging member and rotatable to move said engaging member vertically and advancing said group of slides by a distance equal to the thickness of one slide; a second cam concentric with said first cam and slidably engageable with a switching member; and a driving member for driving said first and second cams, said driving member being deactivated by said switching member; said first driving means including: a reciprocally movable driving means having a sliding mechanism slidable in the direction for feeding the slides to their projecting position, said mechanism consisting of a rotatable circular member, a slidable member linked to and reciprocated by said rotatable member, and a driving member for selectively driving said reciprocally slidable member and said rotatable member, said slidable member being engageable with said slides to move to the projecting position, said rotatable circular member being provided with a cam member; and a second switching member provided at a location substantially corresponding to the position said cam assumes for discharging the slides, said second switching member being changed over to its closed position by said cam and connected with said switching member.

Claim 7

An apparatus for presenting visual information and audio information by using an audio-visual slide including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: means for projecting the transparency of the slide; driving means for moving said slide to the projecting position in said projecting means and returning the same to its original position; tape driving means for driving the magnetic tape in said slide when the slide is in said projecting position; and reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including, a head member having mark detecting means for detecting a start mark and a stop mark which are provided on said magnetic tape and audio information detecting means for detecting the audio information recorded in said magnetic tape, and moving means for moving and stopping said head member in response to the detection by said mark detecting means: whereby said slide is moved to said projecting position so that the visual information recorded on the transparency in said slide and the audio information recorded on said magnetic tape in said slide may be reproduced simultaneously.

Claim 8

An apparatus for presenting visual information and audio information by using an audio-visual slide including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: means for projecting the transparency of the slide; driving means for moving said slide to the projecting position in said projecting means and returning the same to its original position; tape driving means for driving the magnetic tape in said slide when the slide is in said projecting position; and reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including, a head member having mark detecting means for detecting a start mark and a stop mark which are provided on said magnetic tape and audio information detecting means for detecting the audio information recorded in said magnetic tape, and moving means for moving and stopping said head member in response to the detection by said mark detecting means: whereby said slide is moved to said projecting position so that the visual information recorded on the transparency in said slide and the audio information recorded on said magnetic tape in said slide may be reproduced simultaneously.

Claim 13

An apparatus for presenting visual information and audio information by using an audio-visual slide including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: means for projecting the transparency of the slide; driving means for moving said slide to the projecting position in said projecting means and returning the same to its original position; tape driving means for driving the magnetic tape in said slide when the slide is in said projecting position; and reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including, projecting means, a head member having a light receiving element for receiving, when one of openings provided in said magnetic tape is aligned with said light receiving element, the light coming from said projecting means and audio information detecting means for detecting audio information recorded in said magnetic tape, and moving means for moving and stopping said head member in response to the light receiving element.

Claim 14

An apparatus for presenting visual information and audio information by using an audio-visual slide including therein a transparency for projection and a movable endless magnetic tape, said apparatus comprising: means for projecting the transparency of the slide; driving means for moving said slide to the projecting position in said projecting means and returning the same to its original position; tape driving means for driving the magnetic tape in said slide when the slide is in said projecting position; and reproducing means adapted to be urged into contact with said magnetic tape and moved substantially perpendicularly to the direction of movement of said tape to reproduce audio information recorded on a spiral track of the tape, said reproducing means including, projecting means, a head member having a light receiving element for receiving, when one of openings provided in said magnetic tape is aligned with said light receiving element, the light coming from said projecting means and audio information detecting means for detecting audio information recorded in said magnetic tape, and moving means for moving and stopping said head member in response to the light receiving element.