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| Number | Title | Issue Date |
| 4452119 | Electronic musical instrument with musical information input means Disclosed is an electronic musical instrument with musical information input keys for producing musical information. A plurality of keys are provided for generating musical information of musical notes to introduce musical tones and pitches of the musical... | 06/05/1984 |
| 4408517 | Pipe organ A pipe organ in which information relevant to actuation of keys and stops at a console of the organ is stored in random access memory, and the specifications for stops are held in pre-programmed read only memory, the requirements for each pipe being exami... | 10/11/1983 |
| 4407019 | Electronic wristwatch An electronic wristwatch wherein a timing rate adjustment signal, representative of the amount of timing rate adjustment being effected and/or needed to be effected, is depicted. The electronic wristwatch includes a divider circuit for receiving a high fr... | 09/27/1983 |
| 4402244 | Automatic performance device with tempo follow-up function An automatic performance device is of a type in which the automatic performance is executed in accordance with musical data read out successively. It comprises a fast feed stop control circuit for advancing the progress of the automatic performance when a... | 09/06/1983 |
| 4402242 | Electronic musical instrument by time division multiplexed tone selection An electronic musical instrument comprises a plurality of key switches and a key switch scanning circuit for sequentially scanning said key switches at a predetermined speed to produce time division multiplexed key data signals representing the depressed ... | 09/06/1983 |
| 4397209 | Method of determining chord type and root in a chromatically tuned electronic musical instrument The type and root of a chord played on a chromatically tuned musical instrument are determined by assigning sequential numerical values to the notes of the chromatic scale and, when a chord is played, calculating the intervals between the individual notes... | 08/09/1983 |
| 4396294 | Correction system for electronic timepiece with both analog and digital displays In an electronic timepiece equipped with both an analog display section having time indicating hands and a digital display section, a time correction system is provided whereby correction of both the analog and digital time displays can be performed by ro... | 08/02/1983 |
| 4393740 | Programmable tone generator A programmable tone generator for an electronic musical instrument generates a tone signal having a desired fundamental frequency and harmonic content. A binary counter serves as a time base for encoding each period of a tone signal waveform onto plural o... | 07/19/1983 |
| 4393742 | Electronic musical instruments of the type synthesizing a plurality of partial tone signals An electronic musical instrument sequentially calculates a plurality of partial tone signals which are amplitude-modulated by a plurality of time window signals, on the time division basis, such that these partial tone signals are synthesized to form a mu... | 07/19/1983 |
| 4392405 | Method and apparatus for processing tone signals in electronic musical instruments Tone amplitudes of signals which are generated in an electronic organ are converted into digital values and such values are cyclically memorized by a RAM storage at locations which are selected in accordance with a first function. The locations in the sto... | 07/12/1983 |
| 4392406 | Switched capacitor sine wave generator and keyer The invention relates to a circuit for synthesizing either simple or complex waveforms of the type used in electronic musical instruments, such as electronic organs. In the specific embodiment disclosed herein, the synthesizing circuit is utilized in a rh... | 07/12/1983 |
| 4392217 | Device for controlling correction operations of a time display device A device comprises means for distinguishing a short depression from a long depression depending on the period of actuation of a control button (block 14), means for selecting in the case of a short depression a minutes correction mode in which the display... | 07/05/1983 |
| 4389915 | Musical instrument including electronic sound reverberation An electronic reverberation system for use in an electronic musical instrument comprises a random access memory wherein two or more time delay channels are defined by address allocation in a controller circuit. An input analog signal is converted to digit... | 06/28/1983 |
| 4388851 | Non-volatile memory system for an electronic musical instrument A non-volatile memory system for an electronic musical instrument having a plurality of player actuatable instrument controls, comprises a readable, writable memory. The memory includes addressing inputs and data input/outputs. The data input/outputs are ... | 06/21/1983 |
| 4388850 | Multiple octave generator tuning system A multiple octave generator system for providing tones in an electronic organ permits the production of both ensemble and celeste effects by providing the appropriate amounts of detuning among cascaded ranks of divide-by-two locked octave type tone genera... | 06/21/1983 |
| 4387618 | Harmony generator for electronic organ A harmony generator for an electronic organ, wherein the identity of played keys of the keyboard(s) is read into a storage device and then operated upon by a data processing device such as a microcomputer, so as to supplement the played note data with add... | 06/14/1983 |
| 4387619 | System for generating sample tones on an electronic musical instrument In an electronic musical instrument which is arranged to produce musical tones belonging to the selected one of many different types of musical instruments and having a number of player-operable selection keys respectively corresponding to the number of t... | 06/14/1983 |
| 4388002 | Connector for arrangement for a-c. clock mechanism A connector arrangement for an a-c. clock mechanism which includes a drive coil and drive train mounted in a housing formed of a plastic base plate and plastic cover member of shallow cup shape. The drive coil has a core and bobbin, the bobbin being secur... | 06/14/1983 |
| 4387621 | Manual control lever for stringed instruments A manual control lever for plucked instruments supplied with electric sound amplification has a rest plate for the player's plucking hand. This rest plate is located above the strings and held by a lever arm which has rotary bearings, allowing a motion pa... | 06/14/1983 |
| 4387622 | Musical tone generator with independent time varying harmonics In a musical instrument having one or more tone generators in which a plurality of data words corresponding to the amplitudes of a corresponding number of evenly spaced points defining the waveform of one cycle of a musical signal are transferred sequenti... | 06/14/1983 |
| 4386546 | Phase locking system for an electronic organ An electronic keyboard musical instrument comprising a multiplexed keyboard and a programmable microcomputer interfaced between the keyboard and a system of capture tone generators, and including means for causing phase locking between the tone generators... | 06/07/1983 |
| 4386547 | Electronic musical instrument There are provided a circuit for producing a fundamental wave and harmonic components thereof, an amplitude coefficient generator for generating amplitude coefficient respectively corresponding to the harmonic components, a multiplier for multiplying an o... | 06/07/1983 |
| 4387328 | Shaped voltage waveform motor controller A motor controller for a variable airgap motor. The controller includes first means responsive to a command signal for providing a first signal indicative of the absolute value of the command signal. The controller further includes a second means responsi... | 06/07/1983 |
| 4386550 | Optically coupled decorative light controller A digital rectangular wave musical tone generator (10) activates a speaker (12) to produce sounds of aural quality similar to musical instruments, while varying the intensity of light output from a light-emitting diode (13). The intensity variations of th... | 06/07/1983 |
| 4385541 | Operating apparatus used at an electronic instrument provided with at least one synthesizer To simplify playing of an electronic instrument and to avoid the otherwise clearly recognizable synthetic sound quality, the operating elements are arranged in a wind or blowing body constructed and playable similar to a mouth-harmonica. These operating e... | 05/31/1983 |
| 4384503 | Mulitiple language electronic musical keyboard system A multiple language electronic keyboard system is disclosed for generating and modifying musical note information. The system includes a plurality of manually activated switches arranged in a matrix of rows and columns with the switches sufficiently close... | 05/24/1983 |
| 4384505 | Chorus generator system A string chorus generator in an electronic musical instrument that accepts a single audio input signal, applies it to three separate delay lines, and provides delay modulated outputs to be used in producing an ensemble musical effect resembling a group of... | 05/24/1983 |
| 4383462 | Electronic musical instrument In an electronic musical instrument of the waveshape memory type including at least one waveshape memory for storing and reproducing sample values of a musical sound wave to be generated, the waveshape memory stores the sample values of the complete waves... | 05/17/1983 |
| 4383461 | Chord performing apparatus for an electronic organ A chord performing apparatus for an electronic organ with a chord-former, comprises control inputs for control signals defining the chord tone, and control inputs for control signals defining the chord type and control units which can be preset in accorda... | 05/17/1983 |
| 4382398 | Method and apparatus for eliminating feedback in stage monitors Apparatus for eliminating feedback in stage monitors for selected musical instruments includes filter networks for attenuation of a broad frequency range including the entire range of frequencies contributing to the feedback. A combination of high order l... | 05/10/1983 |
| 4380185 | Talking metronome A talking metronome is disclosed which is programmable to generate a human voice pattern of a sequence of numbers at a selected tempo (mm) and time signature (cadence) at one or more beat patterns. The time signatures are produced from quarter, eighth and... | 04/19/1983 |
| 4379422 | Polyphonic electronic music system Simultaneously played notes on a keyboard are automatically provided with different voice timbres. The assignment of voices to notes is by relative frequency-scale position within the chord. If four or more notes are played, the notes are scanned along th... | 04/12/1983 |
| 4378720 | Electronic musical instrument having musical performance training system An electronic musical instrument comprises a keyboard, tone signal forming circuit to produce musical tone signals corresponding to keys being depressed on the keyboard, a memory to store musical performance data representing pitches and durations of note... | 04/05/1983 |
| 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 when it is present in successively wider frequency bands, ... | 03/29/1983 |
| 4375776 | Tone property control device in electronic musical instrument In an electronic musical instrument, a tone property setting device is provided in association with a musical tone forming circuit. The device delivers analog signals designating properties of the musical tone signals to be produced, which analog signals ... | 03/08/1983 |
| 4375176 | Keyboard latch for electronic organ An electronic organ having a scanned keyboard manual (10) includes a keyboard latch (24) interposed between the scanning apparatus (12) and the organ keyers (26). The keyboard latch (24) comprises a gate (42) for comparing the serial data pulses, each of ... | 03/01/1983 |
| 4374482 | Vocal effect for musical instrument Apparatus for producing a chorale or vocal effect in an electronic musical instrument comprises means responsive to the playing keys of the instrument for producing an indexing signal and means responsive to the indexing signal for sequentially developing... | 02/22/1983 |
| 4373416 | Wave generator for electronic musical instrument In a wave generator for an electronic musical instrument, a plurality of sampling values of a musical tone waveform having a given envelope are simultaneously carried out in a time division system according to the musical tone waveform calculation sequenc... | 02/15/1983 |
| 4372187 | Novel guitar-like electronic musical instrument By providing as circuit activators flexible, intentionally damped, vibratory elements, for example strings, the resonant frequency of which may be unrelated to the tone to be generated, while utilizing electronic circuits controlled by such flexible eleme... | 02/08/1983 |
| 4370066 | Correction signal input system for electronic timepiece In an electronic timepiece having a central processing unit for processing current time and other data, and equipped with a crown and switch means coupled thereto for providing a correction signal comprising a pulse train of relatively high frequency, a b... | 01/25/1983 |
