Matches 101 - 150 out of 247 < 1 2 3 4 5 >
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5417137 Metronome apparatus  
A metronome apparatus has an electro-mechanical rhythm generator (28) in sound communication of a variable targeted optimum rhythm to a first (4) of two earphones (4,5) of a dual-earphone headset...
5396827 Tuner with variable tuning window  
An electronic tuning device has selectable width tuning ranges wherein selected pairs of the LEDs in a single row of LED's are activated, such as being turned on, blinked or flashed, so that the...
5390579 Tuning of musical instruments  
Apparatus (1) for varying the pitch of the strings (12) of a guitar (15) comprises a respective adjusting mechanism (10) for each string. This mechanism includes an externally threaded tubular...
5388496 Electronic tuning device  
An electronic tuning device includes a display with a single row of LED's corresponding to musical notes wherein the sensing of a fundamental frequency of an input tone causes the operation of the...
5390248 Apparatus for determining tonal characteristics of an object and method thereof  
An apparatus is provided for evaluating the tonal characteristics of an object with respect to a nominal tone which comprises a striker for causing the object to generate an audio signal and a...
5349130 Pitch extracting apparatus having means for measuring interval between zero-crossing points of a waveform  
A CPU measures the interval between the zero-crossing points at the two ends of a waveform element a having, e.g., a positive polarity. Thereafter, the CPU sequentially measures the interval...
5343793 Automatically tuned musical instrument  
An automatically tuned musical instrument provides a means for keeping strings under tension in proper tune. It also provides a mechanism to simplify installing new strings on the instrument. The...
5285711 Method and apparatus for tuning musical instruments  
A method and apparatus for tuning a musical instrument. Measurements are made of the inharmonicities of three notes (e.g., F3, A4 and C6 in a piano). One of the notes (e.g. A4) is a standard note...
5270475 Electronic music system  
An electronic music system for computer-controlled interactive practicing and learning to play a guitar includes a transducer which is detachably securable to the guitar and generates analog...
D331769 Guitar tuning unit  
5159762 Regulating rule for grand pianos  
The present invention enables accurate measuring and regulating operations to be carried out by measuring with a rule the quantity of movement of a hammer in a grand piano during an action...
5105707 Method of and device for automatically and instantaneously shifting a musical scale of a piano to another musical scale  
A method of automatically and instantaneously shifting the musical scale of a piano is constituted by the steps of gradually changing the tension of the strings or the length of a vibrating portion...
5070754 Digital audio signal processor  
A digital signal processing apparatus is provided for identifying the octave, note and cent of a musical sound. The apparatus includes a transducer for converting the musical sound into an...
5065660 Piano tuning system  
A system for tuning pianos and other string instruments utilizes a clamp-on probe with a feedback loop to induce a controlled vibration of the string and its natural frequency of vibration. This...
5056398 Digital audio signal processor employing multiple filter fundamental acquisition circuitry  
A digital signal processing apparatus is provided for identifying the octave, note and cent of a musical sound. The apparatus includes a transducer for converting the musical sound into an...
5018428 Electronic musical instrument in which musical tones are generated on the basis of pitches extracted from an input waveform signal  
An electronic musical instrument extracts a pitch from an input waveform signal by a pitch extracting circuit, and directs a sound source circuit to generate a musical tone at the pitch based on...
5016515 Precise electronic aid to musical instrument tuning  
An aid to tuning musical instruments. A microprocessor-controlled frequency standard is used to control a shift-register whose data is the digitized sound detected by a microphone. The data from...
5009142 Means and method for automatic resonance tuning  
A method and apparatus is provided for the adjustment of resonance on a freely vibrating filament by the use of piezoelectric pushers which are solid state devices whose lengths change as a result...
4991484 Tone signal generation device having a sampling function  
There are provided a device for sampling a tone signal applied from outside, a built-in tone source, responsive to tone pitch information, a tone signal having tone pitch corresponding to the tone...
4958550 Tuning method and apparatus for keyboard musical instrument  
A tuning apparatus for a keyboard musical instrument, having a load applicator for applying a load of a predetermined value to a string set up in place, a calculating device for calculating a...
4928563 Electronic tuning apparatus for an electronic stringed musical instrument  
In an electronic tuning apparatus used in electronic stringed instruments such as an electronic guitar, an electronic violin, and so on, at least one string is extended along the fingerboard. Prior...
4909126 Automatic musical instrument tuning system  
A tuning system is described for automatically tuning a musical instrument having adjustment means for changing the frequency of a musical tone produced by the instrument. The tuning system is...
4899636 Instrument for tuning musical instruments  
A tuning apparatus comprises a piezoelectric element provided on a tuner case, and a mounting member which enable the tuning apparatus to be mounted on a musical instrument to be tuned. The...
4895060 Electronic device of a type in which musical tones are produced in accordance with pitches extracted from input waveform signals  
A musical tone generating device generates musical tones of a frequency in accordance with pitches which are extracted from input waveform signals by a pitch extracting means. When a pitch...
4889029 Tuning apparatus for stringed instruments  
A guitar tuner includes a manually graspable body with a head projecting outwardly from one end driven by a motor inside the body to rotate about an axis. The head includes a slot shaped opening...
4860624 Electronic musical instrument employing tru-scale interval system for prevention of overtone collisions  
An electronic musical instrument for reproducing chords in a fixed interval scale, know as Tru-Scale, without overtone collision. The instrument includes a memory for storing of frequency...
4796509 Electronic tuning apparatus  
An electronic tuning apparatus is constructed of an input device for inputting a tone signal to be measured, a signal generating circuit for generating a plurality of reference frequency signals,...
4791849 Motorized string tuning apparatus  
A motorized string tuning apparatus is set forth for the tuning of string instruments by the tensioning of the elongated filaments associated therewith. A portable motorized unit with an axially...
4741242 Automatic indicating tuning system for visual tuning of timpani and other tunable instruments  
An automatically operated tuning indicating system for the preliminary tuning and for retuning during the performance of a set of timpani drums or other percussion-type instrument having a tunable...
4732071 Tuning indicator for musical instruments  
A tuning indicator is disclosed in which the octave, note within the octave, and a tuning error is displayed for a musical tone played into a microphone. A bank of digital octave filters, a bank of...
4688464 Pitch detection apparatus  
A pitch detector is disclosed that automatically recognizes the pitch of musical notes quickly and outputs the pitch information in a variety of formats. The detector employs a microprocessor that...
D290371 Musical tuning device  
4665790 Pitch identification device  
A transducer receives notes from a musical instrument and converts them into a A.C. signals. The signals are passed to a frequency voltage converter which outputs a D.C. voltage representative of...
4592262 Remote control system for a musical instrument or instruments  
This invention relates to a remote control system for a musical instrument or instruments. In particular the control system comprises at least one keyboard having a plurality of keys each coupled...
4589324 Dynamic display for automatic sound signal analyzer  
A dynamic display for automatic sound signal analyzing equipment that displays the closest recognized musical note to that being played or sung by a musician, whether the note is sharp or flat or...
4584923 Self tuning tail piece for string instruments  
An automatic tuning device for guitars and string instruments in general having a string tensioning mechanism adapted to vary the tension of the strings from the tail piece in response to the...
4523506 Electronic tuning aid  
An electronic, tempered scale tuning aid employs a transducer and signal processing means to detect and amplify a signal to the level required by digital logic circuits, which circuits are used to...
4484506 Tuning control apparatus  
Basic frequency data is preliminarily stored in a ROM. Tuning data obtained from a tuning counter according to manual operation of a rotary switch, and basic frequency data out from the ROM are...
4481857 System for tuning musical instruments  
A method and apparatus including electronic circuitry for tuning a musical instrument. When a tunable vibratory or frequency producing element of the instrument is actuated, the oscillations...
4457203 Sound signal automatic detection and display method and system  
A sound signal automatic detector used in a system with a micro computer and display for automatically detecting an input sound wave, computing from the detected sound wave the fundamental...
4453448 Method and apparatus for tuning percussion instruments  
A tuning device for tympani that displays the pitch of each instrument's tympanum. The pitch is determined by measuring the strain in an adjustable tensioning mechanism employed in all tympani to...
4434697 Indicator apparatus for indicating notes emitted by means of a musical instrument  
The sound to be identified is converted into an electrical signal which is applied to an amplifier (11), a filtering circuit (13) and a calculation device (20); the calculation device comprises a...
4429609 Pitch analyzer  
Device and method for measuring the pitch of a musical sound and displaying the pitch and the pitch error. The device consists of analog signal processing circuitry and digital computing and...
4426907 Automatic tuning device  
A stringed musical instrument is provided with an automatic self-tuning device which tightens or loosens those of the instrument's strings which may be out of tune. Each string is provided with an...
4377961 Fundamental frequency extracting system  
A system for extracting the fundamental frequency or pitch of complex waves such as voice, musical instruments or other audio signals. Separate channels extract the fundamental frequency component...
4369687 Pitch sensor  
A pitch sensor for facilitating more accurate tuning of instruments comprises: a reference pitch pulse generator, a saw-tooth generator, a sensing probe, a probe output amplifier, a modulator, and...
4365537 Combined pick and tuner  
A combined pick and stringed instrument tuning device includes a relatively flat, substantially rectangularly shaped housing having a pick attached thereto and is small enough to be easily held in...
4357852 Guitar synthesizer  
A guitar synthesizer comprises a guitar portion and a synthesizer portion which are electrically connected to each other. The guitar portion includes strings stretched between a nut and a bridge...
4354418 Automatic note analyzer  
An automatic note analyzer is disclosed which automatically generates and displays a note signal indicative of the musical note corresponding to an input signal. The disclosed analyzer operates to...
4351216 Electronic pitch detection for musical instruments  
A pitch detecting system is provided for an electric guitar having an existing electromagnetic pick-up for strings. For the purposes of pitch detection, all the signals from the guitar strings are...
Matches 101 - 150 out of 247 < 1 2 3 4 5 >