US4037511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teaching device for attachment to an organ
Assignee: Individual
•
Filing: 1975-12-30
•
Granted: 1977-07-26
•
Expires: 1995-12-30
Abstract
Abstract A teaching device for use with an organ, supported on the upper keyboard, with timed motor means to move an apertured record sheet between a light source and fiber optic connectors which transmit light signals to the fiber optic ends located over keys of the lower chord keyboard and through a sideways extending housing to fiber optic ends located over the keys of the upper melody keyboard in accordance with the placement of the apertures on the moving record sheet.
Inventors
- 👤 Juan M. del Castillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:55
CPC Classifications
G; G09; G09B; G09B15/00; G09B15/08
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
111 words
A teaching device for use with a musical instrument having an upper and a lower keyboard comprising a main housing resting on the upper keyboard, an elongated housing extending from said main housing and along the rear of the upper keyboard along a portion of the upper keyboard, a record sheet having indications thereon in accordance with music to be played on the musical instrument, means to move said record sheet through at least said main housing, means mounted in said elongated housing and said main housing in a position to designate in accordance with said record sheet the keys on the upper and lower keyboards which are to be pressed.
Claim 2
Dependent Claim
111 words
A teaching device for use with a musical instrument having an upper and a lower keyboard comprising a main housing resting on the upper keyboard, an elongated housing extending from said main housing and along the rear of the upper keyboard along a portion of the upper keyboard, a record sheet having indications thereon in accordance with music to be played on the musical instrument, means to move said record sheet through at least said main housing, means mounted in said elongated housing and said main housing in a position to designate in accordance with said record sheet the keys on the upper and lower keyboards which are to be pressed.
Claim 3
Dependent Claim
34 words
The teaching device according to claim 1, further characterized by said main housing having a portion of said housing over the keys on the lower keyboard including a portion of said key designating means.
Claim 4
Dependent Claim
30 words
The teaching device according to claim 2, further characterized by said main housing having said key designating means for the lower keyboard for substantially one octave on the lower keyboard.
Claim 5
Dependent Claim
64 words
The teaching device according to claim 2, further characterized by said key designating means including fiber optic connectors having one end of each of said connectors over each key on the lower keyboard for the width of said main housing and one end of others of each of said connectors over each key on the upper keyboard for the extension of said elongated housing.
Claim 6
Dependent Claim
64 words
The teaching device according to claim 4, further characterized by said key designating means further including a light source, the opposite ends of said fiber optic connectors from said ends positioned over the keys aligned adjacent said light source, said indications on said record sheet allowing light to pass therethrough from said light source to said aligned opposite ends of said fiber optic connectors.
Claim 7
Dependent Claim
19 words
The teaching device according to claim 5, further characterized by said indications being non-opaque windows on said record sheet.
Claim 8
Dependent Claim
63 words
The teaching device according to claim 5, further characterized by the alignment of said opposite ends of said fiber optic connectors being in a single vertical line, said record sheet being moved while positioned on its edge so that the sheet stands vertically while being moved by said sheet moving means between said light source and said aligned opposite ends of said connectors.
Claim 9
Dependent Claim
25 words
The teaching device according to claim 7, further characterized by guide means in said main housing to maintain said record sheet in its vertical position.
Claim 10
Dependent Claim
29 words
The teaching device according to claim 8, further characterized by said guide means being vertically extending slots in said main housing on opposite sides of said sheet moving means.
Claim 11
Dependent Claim
26 words
The teaching device according to claim 5, further characterized by the alignment of said opposite ends of said fiber optic connectors being in a single line.
Claim 12
Dependent Claim
44 words
The teaching device according to claim 10, further characterized by said record sheet being moved while positioned horizontally so that the sheet lies horizontally while being moved by said sheet moving means between said light source and said aligned opposite ends of said connectors.
Claim 13
Dependent Claim
53 words
The teaching device according to claim 11, further characterized by guide means in said main housing to maintain said record sheet in its horizontal position including horizontally extending slots in said main housing on opposite sides of said sheet moving means, and feed plates extending outward from said slots in said main housing.
Claim 14
Dependent Claim
50 words
The teaching device according to claim 1, further characterized by said moving means including roller means contacting said record sheet, variable speed motor means turning said roller means in timed relationship to the spacing of said indications on said record sheet and the timing of the music to be played.
Claim 15
Dependent Claim
31 words
The teaching device according to claim 1, further characterized by supporting means on the bottom of said main housing to distribute the weight of said housing over a plurality of keys.
Claim 16
Dependent Claim
35 words
The teaching device according to claim 1, further characterized by supporting means on the bottom of said main housing to distribute the weight of said housing over a plurality of keys of the upper keyboard.
Claim 17
Dependent Claim
85 words
The teaching device according to claim 15, further characterized by said supporting means including a bottom portion of said main housing extending over a plurality of keys of the upper keyboard and adapted to rest on the black keys of the upper keyboard, a bar means attached to said bottom portion extending over a plurality of white keys of the upper keyboard and adapted to rest on the white keys of the upper keyboard at a location forward of black keys of the upper keyboard.
Claim 18
Dependent Claim
22 words
The teaching device according to claim 16, further characterized by said bar means extending substantially for the width of said main housing.
References Cited (Backward Citations)
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Cited
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US3335630A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-25 | 1981-01-24 | 1981-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-25 | 1985-01-24 | 1985-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-25 | 1989-01-24 | 1989-07-26 | $7700.00 | Window Closed / Lapsed |