Patent US1879784A successfully refreshed from Google Patents.
Patent US3844643A successfully refreshed from Google Patents.
US3844643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio-visual cartridge and player
Assignee: Individual
•
Filing: 1973-03-16
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Granted: 1974-10-29
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Expires: 1993-03-16
Abstract
Abstract A film cartridge having a film to be projected, a magnetic tape with a sound signal and film feeding signals, a housing for accommodating therein the film and tape separately therein, a reflector for projecting light passing the film and a locking mechanism for locking the film when it is not driven. A cartridge autoslide or player for the film cartridge mentioned as above having a housing with an opening for receiving the cartridge, a light source for projecting light on to the reflector of the film cartridge, an optical device for projecting the light passed through the film onto a screen, a film driving mechanism, a tape driving device and an unlocking mechanism for automatically unlocking the film locking mechanism when the cartridge is inserted into the autoslide.
Inventors
- 👤 T Aoki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:26
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06; G03B21/00; G03B21/10; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G03B31/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
242 words
A film cartridge for an autoslide and audio player comprising an endless film having a plurality of frames on each of which a picture is formed, each frame being formed of two conventional 8mm film frames and the transverse longer side of the frame extends lengthwise of the film, an endless magnetic tape with audio signal and film feeding signals recorded thereon in synchronism with frames of said endless film, a housing Having two portions separated by a partition wall for accommodating therein said endless film and said endless magnetic tape, respectively, a plurality of windows formed in said housing for exposing said endless film and magnetic tape therethrough, a reflector for projecting light passing through the endless film, first locking means for automatically locking said endless film and said magnetic tape so as to maintain synchronization therebetween when the cartridge is removed from the autoslide and player, said first locking means for the audio tape including a gear with teeth coupled to said magnetic tape, a lever mounted for engaging the gear to lock it when said cartridge is removed from said player and which extends through an opening of said cartridge and is moved by said player to disengage the lever from said gear when the cartridge is inserted into said player, and second locking means provided on the housing of the cartridge for locking the cartridge to the cartridge autoslide and player while said magnetic tape is being driven.
Claim 2
Dependent Claim
242 words
A film cartridge for an autoslide and audio player comprising an endless film having a plurality of frames on each of which a picture is formed, each frame being formed of two conventional 8mm film frames and the transverse longer side of the frame extends lengthwise of the film, an endless magnetic tape with audio signal and film feeding signals recorded thereon in synchronism with frames of said endless film, a housing Having two portions separated by a partition wall for accommodating therein said endless film and said endless magnetic tape, respectively, a plurality of windows formed in said housing for exposing said endless film and magnetic tape therethrough, a reflector for projecting light passing through the endless film, first locking means for automatically locking said endless film and said magnetic tape so as to maintain synchronization therebetween when the cartridge is removed from the autoslide and player, said first locking means for the audio tape including a gear with teeth coupled to said magnetic tape, a lever mounted for engaging the gear to lock it when said cartridge is removed from said player and which extends through an opening of said cartridge and is moved by said player to disengage the lever from said gear when the cartridge is inserted into said player, and second locking means provided on the housing of the cartridge for locking the cartridge to the cartridge autoslide and player while said magnetic tape is being driven.
Claim 3
Dependent Claim
58 words
A film cartridge according to claim 1 in which said first locking means for locking said endless film also includes a pin mounted on the housing of the film cartridge at the front inside portion of said housing, and said pin engaging perforations on said endless film when said cartridge is removed from the cartridge autoslide and player.
Claim 4
Dependent Claim
28 words
A film cartridge according to claim 2 in which film guide means is provided in said housing so as to reverse the film travelling direction by about 180*.
Claim 5
Dependent Claim
43 words
A film cartridge according to claim 3 in which a second film guide means is provided to guide the film and for restricting the film and the film travelling path and for preventing contact between portions of the film travelling in opposite directions.
Claim 6
Dependent Claim
17 words
A film cartridge according to claim 4 in which said second film guide means is a roller.
Claim 7
Dependent Claim
26 words
A film cartridge according to claim 1 in which at least one depression is formed outside of the housing for positioning the cartridge in the autoslide.
Claim 8
Dependent Claim
58 words
A film cartridge according to claim 6 in which there are two depressions which are formed on the sides of the housing asymmetrical with respect to the partition wall for preventing the erroneous insertion of the cartridge, and one of the depressions has a relationship to second locking means, whereby the correct position of the cartridge is assured.
Claim 9
Dependent Claim
48 words
A film cartridge according to claim 1 in which pinch rollers for driving the endless film and magnetic tape are disposed in the housing at opposite sides with respect to a center line of the housing, and said endless film and said magnetic tape travel in opposite directions.
Claim 10
Dependent Claim
65 words
A film cartridge according to claim 8 in which said endless film has a start discriminating frame and said endless magnetic tape has a visible sensing means at its starting point for providing automatic stop, said start discriminating frame and sensing means being visible through said windows whereby the synchronization between the endless film and magnetic tape can be visibly ascertained from outside said housing.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |