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US3748031A Expired / Lapsed US ⏱️ 0.0 years remaining

Projector and cartridge for combination visual and sound apparatus

Assignee: Elco Corp
•
Filing: 1970-04-06
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Granted: 1973-07-24
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Expires: 1990-04-06
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Abstract

Abstract A projector for showing the frames of a filmstrip in noncontinuous sequence in synchronism with an audio presentation contains a receptacle which pivots out of the projector for receiving an audio/visual cartridge containing both an endless audio tape removable subcartridge and a removable endlessfilmstrip holder. When the cartridge is inserted into the receptacle, the audio tape is moved to an operative position adjacent a tape head in the receptacle. When the receptacle with the cartridge is pivoted into the projector, the audio tape will be positioned adjacent a drive capstan in the projector and a pair of filmdrive sprocket wheels inthe projector will engage sprocket holes in the tape via respective slots in the cartridge. The filmholder contains a mirror and the cartridge contains a framing aperture such that the projection light beam can be projected through the filmstrip, via the mirror and the framing aperture, when the filmholder is inserted in the cartridge.

Inventors

  • 👤 D Youngblood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:06
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G11; G11B; G11B33/00; G11B33/02; G11B33/06

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 372 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said film, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto. a movable cartridge receptacle mounted in said apparatus, a sound pickup means mounted in said receptacle, said receptacle being adapted to removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstan is located adjacent said tape when said receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said cartridge including a pair of slotted openings adjacent said window thereof for providing access to said film by said sprocket wheel, said cartridge also including an opening in a side wall thereof so as to form an opening for said first compartment, said window and said slotted openings also being provided in said side wall thereof, said apparatus including a pressure roller and a pressure pad, said magazine including a recess in its outer surface adjacent said movable portion of said tape for receiving said pressure pad and pressure roller for urging said tape against said sound pickup head and said capstan, respectively, during operation of said apparatus, said apparatus including a pair of locating posts mounted adjacent said cartridge receptacles, said magazine including a pair of locating openings in said outer surface, whereby said locating posts will engage said locating openings to insure proper positioning of said cartridge when said cartridge receptacle is moved into said apparatus.
Claim 2
Dependent Claim 372 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said film, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto. a movable cartridge receptacle mounted in said apparatus, a sound pickup means mounted in said receptacle, said receptacle being adapted to removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstan is located adjacent said tape when said receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said cartridge including a pair of slotted openings adjacent said window thereof for providing access to said film by said sprocket wheel, said cartridge also including an opening in a side wall thereof so as to form an opening for said first compartment, said window and said slotted openings also being provided in said side wall thereof, said apparatus including a pressure roller and a pressure pad, said magazine including a recess in its outer surface adjacent said movable portion of said tape for receiving said pressure pad and pressure roller for urging said tape against said sound pickup head and said capstan, respectively, during operation of said apparatus, said apparatus including a pair of locating posts mounted adjacent said cartridge receptacles, said magazine including a pair of locating openings in said outer surface, whereby said locating posts will engage said locating openings to insure proper positioning of said cartridge when said cartridge receptacle is moved into said apparatus.
Claim 3
Dependent Claim 409 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said film, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto, a movable cartridge receptacle mounted in said apparatus, a sound pickup mounted in said receptacle, said receptacle being adapted to removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstaN is located adjacent said tape when said receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said cartridge including a filmholder comprising a film guiding means and a stem, said endless loop of film being wound loosely so that said film is comprised of a coil portion and a loop portion, said loop portion emanating from the center of said coil portion and terminating on the outer loop of said coil portion, said coil portion being positioned over said stem and said loop portion being positioned around said film guiding means, said guiding means including a recess having a mirror mounted therein and means for flattening a portion of said film adjacent one portion of said recess, said mirror being positioned at substantially at 45* angle to the plane of said film adjacent said recess such that a frame of said film within said portion thereof can be projected by directing a column of light through said one portion of said recess and said frame of said film, said column of light also passing through another portion of said recess and being reflected within said recess by said mirror, said second compartment arranged to removably receive said filmholder so that said endless loop of film can be completely enclosed in said second compartment.
Claim 4
Dependent Claim 409 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said film, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto, a movable cartridge receptacle mounted in said apparatus, a sound pickup mounted in said receptacle, said receptacle being adapted to removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstaN is located adjacent said tape when said receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said cartridge including a filmholder comprising a film guiding means and a stem, said endless loop of film being wound loosely so that said film is comprised of a coil portion and a loop portion, said loop portion emanating from the center of said coil portion and terminating on the outer loop of said coil portion, said coil portion being positioned over said stem and said loop portion being positioned around said film guiding means, said guiding means including a recess having a mirror mounted therein and means for flattening a portion of said film adjacent one portion of said recess, said mirror being positioned at substantially at 45* angle to the plane of said film adjacent said recess such that a frame of said film within said portion thereof can be projected by directing a column of light through said one portion of said recess and said frame of said film, said column of light also passing through another portion of said recess and being reflected within said recess by said mirror, said second compartment arranged to removably receive said filmholder so that said endless loop of film can be completely enclosed in said second compartment.
Claim 5
Dependent Claim 486 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said film, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto, a movable cartridge receptacle mounted in said apparatus, a sound pickup means mounted in said receptacle, said receptacle being adapted to removably said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstan is located adjacent said tape when said tape receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said cartridge including a filmholder comprising a film guiding means and a stem, said endless loop of film being wound loosely so that said film is comprised of a coil portion and a loop portion, said loop portion emanating from the center of said coil portion and terminating on the outer loop of said coil portion, said coil portion being positioned over said stem and said loop portion being positioned around said film guiding means, said filmholder including a mirror, said guiding means including a recess having a mirror mounted therein and means for flattening a portion of said film adjacent one portion of said recess, said mirror being positioned at substantially at 45* angle to the plane of said film adjacent said recess such that a frame of said film within said portion thereof can be projected by directing a column of light through one portion of said recess and said frame of said flm, said column of light also passing through another portion of said recess and being reflected within said recess by said mirror, said guiding means also including a spring clip mounted adjacent said mirror, said spring clip arranged to urge said film against said window in said second compartment of said cartridge such that a portion of said film is flattened against said window for projection Of a beam of light therethrough, said guiding means further including spaced projections on one side of said guiding means for aid in flattening and guiding said film adjacent said window, said projections each comprising a groove arranged to accomodate the teeth of said sprocket wheel when said wheel engages said film.
Claim 6
Dependent Claim 486 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said film, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto, a movable cartridge receptacle mounted in said apparatus, a sound pickup means mounted in said receptacle, said receptacle being adapted to removably said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstan is located adjacent said tape when said tape receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said cartridge including a filmholder comprising a film guiding means and a stem, said endless loop of film being wound loosely so that said film is comprised of a coil portion and a loop portion, said loop portion emanating from the center of said coil portion and terminating on the outer loop of said coil portion, said coil portion being positioned over said stem and said loop portion being positioned around said film guiding means, said filmholder including a mirror, said guiding means including a recess having a mirror mounted therein and means for flattening a portion of said film adjacent one portion of said recess, said mirror being positioned at substantially at 45* angle to the plane of said film adjacent said recess such that a frame of said film within said portion thereof can be projected by directing a column of light through one portion of said recess and said frame of said flm, said column of light also passing through another portion of said recess and being reflected within said recess by said mirror, said guiding means also including a spring clip mounted adjacent said mirror, said spring clip arranged to urge said film against said window in said second compartment of said cartridge such that a portion of said film is flattened against said window for projection Of a beam of light therethrough, said guiding means further including spaced projections on one side of said guiding means for aid in flattening and guiding said film adjacent said window, said projections each comprising a groove arranged to accomodate the teeth of said sprocket wheel when said wheel engages said film.
Claim 7
Dependent Claim 57 words
The invention of claim 3 wherein said cartridge further includes a plurality of tabs which extend from the walls thereof adjacent the opening forming said second compartment, said film holder including a plurality of recesses in the periphery thereof whereby said tabs and recesses may be aligned for removably receiving said film holder in said second compartment.
Claim 8
Dependent Claim 47 words
The invention of claim 4 wherein said tabs include beads disposed at the end thereof and said recesses include detents whereby insertion of said tabs into said recesses causes said beads to be snapped into said detents and thereby snaps the film holder into the second compartment.
Claim 9
Dependent Claim 339 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said filmstrip, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto, a movable cartridge receptacle mounted in said apparatus, a sound pickup means mounted in said receptacle, said receptacle being adapted to removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstan is located adjacent said tape when said receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said sprocket wheel being mechanically linked to a solenoid for rotation of said sprocket wheel and advancement of said film each time said solenoid is energized, said sprocket wheel being rotatably mounted on an elongated shaft, said shaft having a drive wheel rotatably mounted thereabout, an advance disc mounted adjacent said drive wheel and rotatably mounted about a shaft, a spring mechanically linked to said drive wheel, said solenoid arranged to rotate said drive wheel in a first direction and said spring arranged to rotate said drive wheel in a second direction, said drive wheel arranged to rotate said advance disc when said drive wheel is rotated in a second direction, such that shaft and said sprocket wheel will also be rotated by said advance disc.
Claim 10
Dependent Claim 339 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having a first compartment for removably receiving a magazine containing an endless roll of audio tape and a second compartment for holding an endless loop of film such that said film can be advanced in frame-by-frame sequence within said second compartment, said second compartment having a window at least as large as a single frame of said filmstrip, means for holding a portion of said film against said window, whereby a single frame of said film at a time may be positioned adjacent said window and centered with respect thereto, a movable cartridge receptacle mounted in said apparatus, a sound pickup means mounted in said receptacle, said receptacle being adapted to removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a sprocket wheel and a capstan mounted adjacent said receptacle such that said sprocket wheel engages said film and said capstan is located adjacent said tape when said receptacle is moved to an operative position, said capstan being arranged to movably engage said tape when said apparatus is in operation, said sprocket wheel being mechanically linked to a solenoid for rotation of said sprocket wheel and advancement of said film each time said solenoid is energized, said sprocket wheel being rotatably mounted on an elongated shaft, said shaft having a drive wheel rotatably mounted thereabout, an advance disc mounted adjacent said drive wheel and rotatably mounted about a shaft, a spring mechanically linked to said drive wheel, said solenoid arranged to rotate said drive wheel in a first direction and said spring arranged to rotate said drive wheel in a second direction, said drive wheel arranged to rotate said advance disc when said drive wheel is rotated in a second direction, such that shaft and said sprocket wheel will also be rotated by said advance disc.
Claim 11
Dependent Claim 54 words
The invention of claim 6 wherein said advance disc is mounted adjacent a stopping finger, said stopping finger adapted to prevent rotation of said advance disc after said advance disc has rotated a predetermined amount whereby said film is advanced a single frame each time said advance disc is rotated by said drive wheel.
Claim 12
Dependent Claim 127 words
The invention of claim 7 wherein said stopping finger is pivotably mounted adjacent said advance disce, said advance disc having a plurality of notches equally spaced about the periphery thereof, said stopping finger adapted to be pivoted into and out of said notches of said advance disc, said advance disc being locked rotationally against movement when said stopping finger is engaged in one of said notches, a cam disc secured to said drive wheel, said cam disc adapted to pivot said stopping finger out of said notches when said drive wheel is rotated in said first diRection, whereby, said drive wheel frees said stopping finger when rotated in said first direction and said advance disc is rotated when said drive wheel is rotated in said second direction.
Claim 13
Dependent Claim 87 words
The invention of claim 8 wherein said apparatus includes means for adjusting the frame of said film so that the image from only a single frame is projected, said frame adjustment means comprising a knob which is secured to said shaft for rotation therewith, a drive cone secured to said advance disc, said cone adapted to be selectively engageable with said adjusting knob whereby said sprocket wheel may be rotated for movement of said film by rotation of said knob after disengaging said knob from said cone.
Claim 14
Dependent Claim 81 words
The invention of claim 9 wherein said adjusting knob is axially slidable along said shaft, the shaft including an enlarged cylindrical member secured at the end adjacent said adjusting knob, a spring axially mounted on said shaft between said enlarged member and said adjusting knob, said spring adapted to urge said adjusting knob into engagement with said drive cone so that said advance disc is mechanically secured to said shaft for rotation therewith when said cone and said knob are engaged.
Claim 15
Dependent Claim 251 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having first and second compartments for removably receiving, in said first compartment, a magazine having an endless roll of tape for the production of sound rotatably mounted therein and, in said second compartment, a filmholder having an endless loop of film movably mounted thereon, said second compartment having a window in position such that a portion of said film will lie adjacent said window when said filmholder is mounted therein, whereby any frame of said film may be positioned adjacent and centered with respect to said window, said second compartment containing a pair of slots on opposite sides of said window for providing access to the sprocket holes on said film, said apparatus containing a movable cartridge receptacle having sound pickup means, said receptacle arranged to pivot out of a compartment of said apparatus and removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a pair of sprocket wheels extending into said compartment and a capstan mounted adjacent said receptacle such that when said receptacle contains said cartridge and is pivoted into said compartment of said apparatus, said capstan will be located adjacent said tape and said sprocket wheels will extend through said slots on opposite sides of said window and engage said sprocket holes of said film,
Claim 16
Dependent Claim 251 words
In a combination visual and sound apparatus for showing a program having a visual portion and a sound portion, a cartridge having first and second compartments for removably receiving, in said first compartment, a magazine having an endless roll of tape for the production of sound rotatably mounted therein and, in said second compartment, a filmholder having an endless loop of film movably mounted thereon, said second compartment having a window in position such that a portion of said film will lie adjacent said window when said filmholder is mounted therein, whereby any frame of said film may be positioned adjacent and centered with respect to said window, said second compartment containing a pair of slots on opposite sides of said window for providing access to the sprocket holes on said film, said apparatus containing a movable cartridge receptacle having sound pickup means, said receptacle arranged to pivot out of a compartment of said apparatus and removably receive said cartridge, said receptacle including means for moving a portion of said tape into an operative position adjacent said pickup means during insertion of said cartridge, said apparatus including a pair of sprocket wheels extending into said compartment and a capstan mounted adjacent said receptacle such that when said receptacle contains said cartridge and is pivoted into said compartment of said apparatus, said capstan will be located adjacent said tape and said sprocket wheels will extend through said slots on opposite sides of said window and engage said sprocket holes of said film,

References Cited (Backward Citations)

US2856812A Cited
US3316806A Cited
US3252372A Cited
US3410498A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-07-23 1977-01-22 1977-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-07-23 1981-01-22 1981-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-07-23 1985-01-22 1985-07-24 $7700.00 Window Closed / Lapsed

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