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Class 84/485SR - Slide rules


Subclass of Class 84 - Music
No. of patents: 20
Last issue date: 02/19/2008


NumberTitleIssue Date
7332665Slide rule devices for music study
Slide-rule type devices for music study. Requires two printed parts that slide relative to each other; or three parts in the special case of a device for studying violin. Information on one of the parts is viewed through the other part. When employed together, the t...
02/19/2008
7301090Piano key finder and chord indicator
An instructional device for use by music students is constructed as an outer sleeve having a slide member fitted within it. The outer sleeve has first and second sets of openings through and is imprinted with a representation of a piano keyboard on one surface. The ...
11/27/2007
7176371Algorithmic combo-instrument slide ruler for musical reference
An algorithmic combo-instrument slide ruler comprising one common part working in cooperation with two interchangeable parts selected from separate multitudes of unique yet related parts. An opaque slidable combo-instrument tuning card is selected having thereon inf...
02/13/2007
7084340Apparatus and method of letter learning finger patterns for stringed instruments
A tool for learning positions of notes on a fingerboard of a stringed instrument having a baseboard and templates for placement over the baseboard so as to focus a student's attention on finger patterns that are necessary to master a stringed instrument. Additional ...
08/01/2006
5866832Assembly for sight reading musical scores and to assist in learning and practicing a polyphonic musical instrument
An assembly for reading musical scores and to assist in learning and practicing a polyphonic musical instrument, as well as a process for using this assembly, comprises two flat coacting elements (1 and 2) of which the first (1) which is external and form...
02/02/1999
5644096Musical computational devices
Disclosed is apparatus comprising at least two elements whose positions relative to each other are alterable, and in which at least a portion of each element is visible during use of the apparatus, and wherein a first of said elements exhibits an indicate...
07/01/1997
5415071Method of and means for producing musical note relationships
In a method of and means for producing musical note relationships there is provided an array of staggered lines or rows (1) of symbols, in which each symbol represents a musical note. Each line (1) comprises a repeated series of twelve symbols forming a m...
05/16/1995
5410940Apparatus and method for identifying musical chords
A music chord indicating calculator assists in determining finger placement to play musical chords on a multi-stringed musical instrument containing a finger board. The device has an outer slide member and an inner base member which slides through the out...
05/02/1995
5386757Universal musical scale, scale pattern, and chord indicator
A device for demonstrating musical scales and chords in various tonics for use with a fretted stringed musical instrument. A housing is of a slide-rule nature and has a transparent simulated fingerboard positioned within a display window. This fingerboard...
02/07/1995
5029507Chord progression finder
A chord progression finder for determining each and every tone of a selected musical scale in a selected key note and each and every tone of its relative musical scales, as well as the various chords playable for the selected musical scale and its relativ...
07/09/1991
4969383Musical scale indicator
The musical scale indicator according to a first preferred embodiment of the present invention is composed of two cooperating parts. A base is provided having thereon printed information pertaining to a particular musical instrument and which, in addition...
11/13/1990
4748890Chord constructer
The invention pertains to musical teaching aid devices for fretted instruments such as guitar. The enclosed invention is a device in which the user builds a desired chord and is taught the form and the spelling of the chord by the use of a special embodim...
06/07/1988
4620471Chord selector for keyboard musical instruments
A music chart for determining the constituent tones of a plurality of chords and the chord name of a given series of tones is disclosed. The chart is comprised of a disc having at its outer circumference a plurality of spaced-apart chord names. Each chord...
11/04/1986
4503748Chord display device for fretted string instrument
A device to display musical chords and notes for fretted string instruments comprising (a) top sheet having a plurality of transparent patterns representing the strings and frets on the fingerboard of the instrument, (b) pivot located at a central point o...
03/12/1985
4307649Slide rule for fretted musical instrument
A slide rule device displays notes and chords of a fretted musical instrument and is used to visualize and teach the operation of instruments such as the pedal steel guitar. The device includes a number of side-by-side slide members positioned in a channe...
12/29/1981
4289057Pattern composer for fingerboard instrument instruction
Apparatus for composing and indicating finger pattern information for a musical stringed fingerboard instrument comprising a plurality of alignably repositionable first series of first indicia, each first series representing at least one course of said st...
09/15/1981
4175468Method and apparatus for music instruction
Method and apparatus for indicating finger pattern information for a musical stringed fingerboard instrument comprising at least one type of first indicia in a fingering pattern specified by pairs of coordinates representing allowable locations for finger...
11/27/1979
4069737Device for transfer of a conventional note system into a system indicating the position of the hand when playing string instruments
The invention relates to a device intended to facilitate play on a musical string instrument by transfer of the notes for a tune to be played from the conventional note sheet onto a note sheet where the tones are indicated so as they are to be found at pr...
01/24/1978
4023460Intonation aid for the violin, viola and cello and other instruments of the violin family
An intonation aid for instruments of the violin family is molded from a plastic material as a thin, curved member which fits over the fingerboard. The aid includes a plurality of spaced stops arranged at different acute angles transverse to the strings th...
05/17/1977
 
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