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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 5416497 | Video display control system for animation pattern image A video display control system displays a multicolor animation pattern on a screen of a video display unit. The video display control system is mainly constructed by a video RAM (VRAM) and a video display processor (VDP). The VRAM stores animation pattern... | 05/16/1995 |
| 5119710 | Musical tone generator A musical tone generator includes first and second tone generator units respectively having a plurality of musical tone generation channels, a designating device for designating tone colors of musical tones, and a CPU for enabling respective tone generati... | 06/09/1992 |
| 5027690 | Electronic musical keyboard instruments with variable touch sensitivity An electronic musical instrument having a keyboard, includes a plurality of keys, a plurality of musical tone signal generation systems, a touch detector for producing touch data representing a key touch accompanied by a key depression, a panel operation ... | 07/02/1991 |
| 4939973 | Tone signal generation device having waveshape changing means A waveshape memory stores a full waveshape of a tone from the start to the end of sounding of the tone or a portion thereof in plural periods. A tone wave signal produced by reading this waveshape memory is applied to a tone color circuit where its tone c... | 07/10/1990 |
| 4939969 | Acoustic keyboard musical instrument An acoustic keyboard musical instrument such as a piano includes a keyboard, a mechanical musical tone generating mechanism, a fallboard, and an operation panel for an external electronic musical tone generating unit. The keyboard includes a plurality of ... | 07/10/1990 |
| 4897636 | Video display control system for moving display images A video display control system is capable of moving a part of a still image from a first display area to a second display area on a screen. The video display control system includes a memory composed of a plurality of memory locations for storing a plural... | 01/30/1990 |
| 4892023 | Electronic keyboard percussion instrument An electronic keyboard percussion instrument includes a hammer such as a mallet, a plurality of plates, striking detection devices, and a musical tone generating section. The plates respectively correspond to note names of musical tones to be produced and... | 01/09/1990 |
| 4855990 | Disc player A disc player, for playing various information carrier discs, which includes, a single turntable for supporting an information carrier disc, a single drive motor for rotating the turntable, and a reproducing head device for reading signals recorded on the... | 08/08/1989 |
| 4846041 | Keyboard device of electronic musical instrument A keyboard device of an electronic musical instrument has a keyboard frame, a plurality of keys which are aligned on the keyboard frame and which are vertically pivotable, a plurality of return springs each of which corresponds to one of the keys and has ... | 07/11/1989 |
| 4807011 | Semiconductor integrated circuit incorporating SITS A semiconductor integrated circuit comprising a plurality of vertical static induction transistors (SITs) of normally-off type formed in a common semiconductor substrate in such a manner that the lateral dimension of the channel region of the SITs employe... | 02/21/1989 |
| 4803675 | High speed, low power consumption pickup head position control device in an optical type disc reproducing device A pickup head position control device in an optical type disc reproducing device controls a pickup head position for a search operation for selection of a music piece. In this device, a tracking servo-control is periodically switched on and off while an o... | 02/07/1989 |
| 4802158 | Disc clamping device for a disc cartridge player In a disc cartridge player of a type in which a cartridge housing the disc is loaded in the player for playback of the disc, a disc clamping device for clamping the disc on a turntable of the player includes a magnetic attraction generating device which i... | 01/31/1989 |
| 4801823 | Sample hold circuit A sample hold circuit consists of a variable gain voltage-to-current converter and an integration circuit which are connected in series. The conversion gain of the variable gain voltage-to-current converter varies in response to a level of a sampling puls... | 01/31/1989 |
| 4794837 | Tone signal generator with code converter for converting stored waveshapes of different coding forms into a common coding form A plurality of waveshapes of different characteristics are stored in a waveshape memory among which a waveshape to be read out is selected in accordance with a selected tone color or elapse of time and data of the selected waveshape is read out. At least ... | 01/03/1989 |
| 4791847 | Parameter setting system for electronic musical instrument A parameter setting system for an electronic musical instrument has a predetermined number of panel switches to which desired parameters can be selectively assigned by the player. The system comprises a RAM having a parameter area in which a group of para... | 12/20/1988 |
| 4792852 | Vertical synchronizing signal detection circuit A vertical synchronizing signal detection circuit detects a vertical synchronizing signal from a television signal by detecting level of the television signal by sampling the television signal at a plurality of sample points established in a plurality of ... | 12/20/1988 |
| 4789976 | Temperature compensation circuit for a delay circuit utilized in an FM detector A circuit for compensating change in delay time of a delay circuit due to variation in temperature employs, as a phase shifter of a pulse FM detection circuit, a delay circuit whose delay time is subject to change due to variation in temperature and can b... | 12/06/1988 |
| 4788896 | Tone Generator having a variable number of channels with a variable number of operating units A tone generator includes a plurality of tone generation channels each comprising one or more operation channels. One operation channel performs basic operation of a tone signal computing operation (e.g., FM or AM) and a tone signal is generated by using ... | 12/06/1988 |
| 4788642 | Data control system allowing simultaneous communication between a host and a plurality of peripherals over predetermined bit lines A bus control system for a common data bus between a central processing unit (CPU) and a plurality of peripheral devices has an address decoder which decodes address data from the CPU to output one of a chip selection signal Sc and a plurality ... | 11/29/1988 |
| 4785702 | Tone signal generation device A waveshape memory stores waveshape data representing plural waveshapes each having plural periods. A reading sequence controller designates ones to be read out among said waveshape data from the waveshape memory and the readout order thereof. This order ... | 11/22/1988 |
| 4785706 | Apparatus for generating a musical tone signal with tone color variations independent of tone pitch A musical tone signal generating apparatus generates a musical tone signal whose tone color can be changed independently of a pitch or a frequency of the musical tone signal. The musical tone signal generating apparatus comprises a shift register on which... | 11/22/1988 |
| 4785707 | Tone signal generation device of sampling type In a tone signal generation device, original waveshape amplitude data corresponding to a waveshape signal from an external source is stored in a first memory. Waveshape data is read out from this first memory and is properly modified by a tone processing ... | 11/22/1988 |
| 4785703 | Polytonal automatic accompaniment apparatus An automatic accompaniment apparatus includes an accompaniment pattern generation unit for generating a plurality of accompaniment patterns which represent timing of generation of a plurality of accompaniment tones to be generated respectively. The accomp... | 11/22/1988 |
| 4781099 | Musical quiz apparatus A musical quiz apparatus presents a question chord in sound and a trainee answers by depressing the keys of the chord constituting notes on the keyboard. The apparatus is capable of generating a plurality of different chord data respectively representing ... | 11/01/1988 |
| 4781096 | Musical tone generating apparatus A musical tone generating apparatus for an electronic musical instrument utilizing a data compression system is disclosed. This musical tone generating apparatus is basically constructed by a memory storing difference data and a data reproduction circuit.... | 11/01/1988 |
| 4779505 | Electronic musical instrument of full-wave readout system An electronic musical instrument includes a waveshape generator which generates first and second waveshapes having a pitch corresponding to a designated note. The first waveshape represents a complete waveshape produced by a certain musical instrument und... | 10/25/1988 |
| 4777631 | Loading system for a disc cartridge case housing a disc in a disc playback device In a disc playback device in which a disc cartridge case housing a disc is loaded in a disc cartridge case holder of a main body of the device and this holder is moved from a disc non-playback position to a disc playback position for playing back of the d... | 10/11/1988 |
| 4768413 | Automatic performance apparatus for facilitating editing of prerecorded data An automatic performance apparatus including a memory, a readout means, a musical tone generator, high and low-speed dials and a rotary encoder. The memory stores musical performance in an event style representing the on/off of a key and identifying the k... | 09/06/1988 |
| 4766795 | Tone synthesis method using modulation operation for an electronic musical instrument A musical tone signal is synthesized on the basis of a predetermined modulation operation (e.g. an FM or AM operation) employing a modulation signal and a carrier signal respectively having an audio range frequency. In a waveshape table provided for defin... | 08/30/1988 |
| 4764860 | Servo circuit for an information recording and/or reproducing apparatus A servo circuit for an information recording and reproducing apparatus such as a Compact Disc player detects relative mechanical vibrations of a pickup head with respect to a recording medium and changes a servo loop gain for positioning the pickup head t... | 08/16/1988 |
| 4763553 | 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... | 08/16/1988 |
| 4763555 | Tremolo unit mechanism for electric guitar A tremolo unit mechanism for an electric guitar includes a bridge base vertically disposed to be pivotal about a support point on a body, balancing springs for causing a balance moment along a direction opposite to that of a moment due to a tension of str... | 08/16/1988 |
| 4763554 | Automatic rhythm performing apparatus for electronic musical instrument For use in or with an electronic musical instrument, an automatic rhythm performing apparatus is so constructed as to provide selectively automatic performance of various kinds of rhythms using tones of a plurality of rhythm section instruments. Each rhyt... | 08/16/1988 |
| 4754679 | Tone signal generation device for an electronic musical instrument A basic tone signal generator and a difference signal generator are provided. A desired tone signal is obtained by synthesizing a basic tone signal and a difference signal generated from these generators respectively. The basic tone signal has principal c... | 07/05/1988 |
| 4748888 | Electronic musical instrument including waveshape memory and modifiable address control In this electronic musical instrument a musical tone is generated by repetitively reading out a waveshape stored in a memory. Repetitive sets of phase information are produced, such phase information thus being a linear saw-tooth-like digital signal havin... | 06/07/1988 |
| 4748885 | Electronic musical instrument with automatic rhythm generating device An electronic musical instrument has a musical tone signal forming circuit, an automatic rhythm generator rhythm selection switches, and a registration memory. The switches are used to select one of a plurality of rhythms. The automatic rhythm generator a... | 06/07/1988 |
| 4747332 | Electronic musical instrument forming tones by wave computation An electronic musical instrument is provided of the type in which a musical tone signal is formed by executing computations according to a mathematical formula such as a frequency modulation formula. Tone formation of each of musical tone signals to be si... | 05/31/1988 |
| 4745298 | Signal selection circuit A signal selection circuit capable of automatically selecting an input signal in a device having digital and analog input terminals for one and the same audio source device comprises a switch for connecting either the analog input terminal or the digital ... | 05/17/1988 |
| 4742612 | Method of manufacturing wire harness by using nipped connector and apparatus therefor A method of manufacturing a wire harness with nipped connectors uses a work table having connector holding tools and wiring/nipping tools in a predetermined pattern thereon and a robot with a hand which can be freely moved on the work table. The hand can ... | 05/10/1988 |
| 4742749 | Lid structure of electronic musical instrument A lid for an electronic musical instrument is disposed to be vertically pivotal about a pivot and covers a keyboard section of a musical instrument body when it is closed. In the lid structure, the pivot is arranged at a position separated forward from th... | 05/10/1988 |
