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US3836241A Expired / Lapsed US ⏱️ 0.0 years remaining

Audio-visual device

Assignee: Staar Development Co SA
•
Filing: 1972-04-21
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Granted: 1974-09-17
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Expires: 1992-04-21
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Abstract

Abstract An audio-visual device for consecutively displaying tranparencies in synchronism with the reproduction of sound recordings corresponding, respectively, to said transparencies, said transparencies being in the form of multiple transparencies carried by a holder and said sound recordings being recorded in multiple recording tracks on an independent, movable recording medium. Also disclosed is a mechanism for shitfing a playback head interconnected with means for moving the transparency holder, so that as the holder is moved to bring each transparency into display position the playback head simultaneously is moved over a recording track to reproduce a recording thereon corresponding to the particular transparency being displayed.

Inventors

  • 👤 M Staar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 17:37
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06; G03B23/00; G03B23/08; G03B23/12; G11; G11B; G11B5/00; G11B5/004

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 252 words
An audio-visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being arranged in a series on a film strip, and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said film strip and a support for said endless belt, said film strip and endless belt being supported with their longitudinal axes parallel, said cartridge having a window and said film strip beinG movable on its support to position any one of said transparencies in said window for display, said endless belt being continuously movable on its support for reproducing sound recordings made along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said film strip and said playback head, comprising a rotatable shaft operating interconnected drive means for said film strip and playback head, said film strip drive means including a toothed wheel cooperating with perforations in the film strip, so that as said film strip is moved to position any one of said transparencies in display position in said window, in synchronism said playback head is shifted into playing position over one of said recording tracks to reproduce a recording corresponding to the particular transparency being displayed upon relative movement of said endless belt.
Claim 2
Dependent Claim 252 words
An audio-visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being arranged in a series on a film strip, and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said film strip and a support for said endless belt, said film strip and endless belt being supported with their longitudinal axes parallel, said cartridge having a window and said film strip beinG movable on its support to position any one of said transparencies in said window for display, said endless belt being continuously movable on its support for reproducing sound recordings made along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said film strip and said playback head, comprising a rotatable shaft operating interconnected drive means for said film strip and playback head, said film strip drive means including a toothed wheel cooperating with perforations in the film strip, so that as said film strip is moved to position any one of said transparencies in display position in said window, in synchronism said playback head is shifted into playing position over one of said recording tracks to reproduce a recording corresponding to the particular transparency being displayed upon relative movement of said endless belt.
Claim 3
Dependent Claim 20 words
An audio-visual device according to claim 1, in which said film strip is in the form of an endless loop.
Claim 4
Dependent Claim 35 words
An audio-visual device according to claim 1, in which said drive means for shifting said playback head includes a worm gear cooperating with means connected to the head to shift the head between recording tracks.
Claim 5
Dependent Claim 236 words
An audio-visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being arranged in a series on a film strip, and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said film strip and a support for said endless belt, said film strip and endless belt being supported with their longitudinal axes parallel, said film strip being movable on its support to position any one of said transparencies for display, said endless belt being continuously movable on its support for reproducing sound recordings made along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said film strip and said playback head, comprising interconnected drive means for said film strip and playback head, said film strip drive means including a toothed wheel cooperating with perforations in the film strip, so that as said film strip is moved to position any one of said transparencies in display position, in synchronism said playback head is shifted into playing position over one of said recording tracks to reproduce a recording corresponding to the particular transparency being displayed upon relative movement of said endless belt.
Claim 6
Dependent Claim 236 words
An audio-visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being arranged in a series on a film strip, and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said film strip and a support for said endless belt, said film strip and endless belt being supported with their longitudinal axes parallel, said film strip being movable on its support to position any one of said transparencies for display, said endless belt being continuously movable on its support for reproducing sound recordings made along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said film strip and said playback head, comprising interconnected drive means for said film strip and playback head, said film strip drive means including a toothed wheel cooperating with perforations in the film strip, so that as said film strip is moved to position any one of said transparencies in display position, in synchronism said playback head is shifted into playing position over one of said recording tracks to reproduce a recording corresponding to the particular transparency being displayed upon relative movement of said endless belt.
Claim 7
Dependent Claim 46 words
An audio-visual device according to claim 4 in which a pair of recording tracks are provided on the record medium corresponding to each transparency, and means are provided for shifting the playback head to the pair of recording tracks corresponding to the particular transparency being displayed.
Claim 8
Dependent Claim 73 words
An audio visual device according to claim 4 in which said record medium has parallel, separate pairs of recording tracks, each pair of tracks corresponding to one of said transparencies and said drive means for said playback head includes means for selectively shifting said playback head from track to track of each said pair without moving said film strip for playback of recordings selectively from either track while the corresponding transparency is displayed.
Claim 9
Dependent Claim 18 words
An audio visual device according to claim 6 further including means for recording sound on said recording tracks.
Claim 10
Dependent Claim 29 words
An audio-visual device according to claim 4 in which the playback head is a double-head for selective playback and recording of At least one of each pair of tracks.
Claim 11
Dependent Claim 45 words
An audio-visual device according to claim 4 in which the playback head is a single head, and means are provided for shifting the playback head to an intermediate position over one of the tracks of each pair, as well as between the pairs of tracks.
Claim 12
Dependent Claim 234 words
An audio visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being in the form of multiple transparencies carried by a holder and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said holder and a support for said endless belt, said transparency holder being movable on its support to position any one of said transparencies for display, said endless belt being continuously movable on its support for reproducing sound recordings made on said belt along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said holder and said playback head comprising interconnected drive means for said holder and playback head, comprising a slidable bar having a series of teeth, said playback head being carried by a support having a ratchet connection with said teeth, so that movement of said bar in one direction upon movement of said transparency holder to move a transparency into display position, in synchronism shifts said playback head via its support into playing position over the next recording track and said bar upon return leaves the playback head over said recording track.
Claim 13
Dependent Claim 234 words
An audio visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being in the form of multiple transparencies carried by a holder and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said holder and a support for said endless belt, said transparency holder being movable on its support to position any one of said transparencies for display, said endless belt being continuously movable on its support for reproducing sound recordings made on said belt along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said holder and said playback head comprising interconnected drive means for said holder and playback head, comprising a slidable bar having a series of teeth, said playback head being carried by a support having a ratchet connection with said teeth, so that movement of said bar in one direction upon movement of said transparency holder to move a transparency into display position, in synchronism shifts said playback head via its support into playing position over the next recording track and said bar upon return leaves the playback head over said recording track.
Claim 14
Dependent Claim 212 words
An audio-visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being in the form of multiple transparencies carried by a holder and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said holder and a support for said endless belt, said transparency holder being movable on its support to position any one of said transparencies for display, said endless belt being continuously movable on its support for reproducing sound recordings made on said belt along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said holder and said playback head comprising interconnected drive means for said holder and playback head, so that as said holder is moved by said mechanism to position any one of said transparencies in display position, in synchronism said playback head is moved into playing position over one of said recording tracks to reproduce a recording thereon corresponding to the particular transparency being displayed upon relative movement of said endless belt.
Claim 15
Dependent Claim 212 words
An audio-visual device for displaying transparencies in synchronism with reproduction from a record medium of corresponding sound recordings, said transparencies being in the form of multiple transparencies carried by a holder and said record medium comprising an independent endless belt, said device comprising, in combination: a cartridge having a support for said holder and a support for said endless belt, said transparency holder being movable on its support to position any one of said transparencies for display, said endless belt being continuously movable on its support for reproducing sound recordings made on said belt along separate recording tracks parallel to the axis of said belt and corresponding, respectively, to said transparencies; means for reproducing said sound recordings including a movably mounted playback head shiftable into a playing position over each of said recording tracks; and a mechanism for synchronously positioning both said holder and said playback head comprising interconnected drive means for said holder and playback head, so that as said holder is moved by said mechanism to position any one of said transparencies in display position, in synchronism said playback head is moved into playing position over one of said recording tracks to reproduce a recording thereon corresponding to the particular transparency being displayed upon relative movement of said endless belt.
Claim 16
Dependent Claim 26 words
An audio-visual device according to claim 11, in which said transparency holder is circular and multiple transparencies are disposed around the periphery of said circular holder.
Claim 17
Dependent Claim 25 words
An audio-visual device according to claim 11, in which said transparency holder is rectangular and multiple transparencies are arrayed in parallel rows on said holder.

References Cited (Backward Citations)

US2674920A Cited
US3159078A Cited
US3238842A Cited
US3434784A Cited
US3677630A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-09-16 1978-03-18 1978-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-16 1982-03-18 1982-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-16 1986-03-18 1986-09-17 $7700.00 Window Closed / Lapsed

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