US4097135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for audio visual presentation of music
Assignee: Individual
•
Filing: 1977-01-12
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Granted: 1978-06-27
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Expires: 1997-01-12
Abstract
Abstract An audio-visual apparatus is disclosed which includes a projection screen having indicia thereon representative of a note play marker, means for successively projecting onto the screen adjacent the note play marker a plurality of visual images of a musical composition recorded on a film strip, means for providing a sound recording of the musical composition and control means for relating the projection of the visual images with the playing of the sound recording.
Inventors
- 👤 Richard R. Castor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:03
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/06; G09B5/067; G09B15/00; G09B15/02; G09B15/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
210 words
Apparatus for audio-visual presentation of music comprising in combination: a. a projection screen having indicia thereon representative of a note play marker; b. a film strip having recorded thereon a musical composition having measures of equal length and notes which are spaced within said measures according to their beat value; c. a projector having an advance mechanism for successively projecting on said projection screen a plurality of visual images of the musical composition recorded on the filmstrip; d. a tape recorder; e. a two channel tape operatively carried by said recorder and including a first channel having a programmed master signal recorded thereon and a second channel having a plurality of synchronizing signals recorded thereon at predetermined intervals which are representative of a desired musical tempo, said tape recorder being constructed and arranged to produce a first output in accordance with said programmed master signal and a second output in accordance with said synchronizing signals; f. an audio-speaker having its input connected to said first output of said recorder; and g. control means having its input connected to said second output of said recorder and its output connected to said advance mechanism to cause said projector to display successive visual images of said composition in accordance with said synchronizing signals.
Claim 2
Dependent Claim
210 words
Apparatus for audio-visual presentation of music comprising in combination: a. a projection screen having indicia thereon representative of a note play marker; b. a film strip having recorded thereon a musical composition having measures of equal length and notes which are spaced within said measures according to their beat value; c. a projector having an advance mechanism for successively projecting on said projection screen a plurality of visual images of the musical composition recorded on the filmstrip; d. a tape recorder; e. a two channel tape operatively carried by said recorder and including a first channel having a programmed master signal recorded thereon and a second channel having a plurality of synchronizing signals recorded thereon at predetermined intervals which are representative of a desired musical tempo, said tape recorder being constructed and arranged to produce a first output in accordance with said programmed master signal and a second output in accordance with said synchronizing signals; f. an audio-speaker having its input connected to said first output of said recorder; and g. control means having its input connected to said second output of said recorder and its output connected to said advance mechanism to cause said projector to display successive visual images of said composition in accordance with said synchronizing signals.
Claim 3
Dependent Claim
19 words
The apparatus defined in claim 1 wherein said recorder includes means for varying the transport rate of said tape.
Claim 4
Dependent Claim
85 words
The apparatus defined in claim 1 wherein said advance mechanism includes a stepping motor having a shaft, a first pulley having a first predetermined number of teeth mounted on said motor shaft, a second pulley having a second predetermined number of teeth operatively associated with said advance mechanism, an endless drive member connecting said first and second pulleys and said control means includes means for receiving said second output of said recorder and for applying activating input pulses to said stepping motor in response thereto.
Claim 5
Dependent Claim
51 words
The apparatus defined in claim 1 wherein said filmstrip has a plurality of equally spaced perforations located along at least one edge thereof and said advance mechanism includes two sprocket members which engage said perforations and are advanced in a forward direction at a rate in accordance with said synchronizing signals.
Claim 6
Dependent Claim
96 words
The apparatus defined in claim 1 further including a slave unit comprising a projection screen having indicia thereon representative of a note play marker, a film strip having recorded thereon a musical composition having measures of equal length and notes which are spaced within said measures according to their beat value, a projector having an advance mechanism for projecting onto said projection screen a plurality of visual images of the musical composition recorded on the filmstrip and means for synchronizing the movements of said advance mechanism of said slave unit projector and said previously defined projector.
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) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |