JPH0214719B2 - - Google Patents
Info
- Publication number
- JPH0214719B2 JPH0214719B2 JP60176792A JP17679285A JPH0214719B2 JP H0214719 B2 JPH0214719 B2 JP H0214719B2 JP 60176792 A JP60176792 A JP 60176792A JP 17679285 A JP17679285 A JP 17679285A JP H0214719 B2 JPH0214719 B2 JP H0214719B2
- Authority
- JP
- Japan
- Prior art keywords
- group
- switch
- keyboard
- signal
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008859 change Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 230000015654 memory Effects 0.000 description 34
- 210000000056 organ Anatomy 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/18—Selecting circuits
- G10H1/183—Channel-assigning means for polyphonic instruments
- G10H1/185—Channel-assigning means for polyphonic instruments associated with key multiplexing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US619615 | 1975-10-06 | ||
US05/619,615 US4022098A (en) | 1975-10-06 | 1975-10-06 | Keyboard switch detect and assignor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6143792A JPS6143792A (ja) | 1986-03-03 |
JPH0214719B2 true JPH0214719B2 (en, 2012) | 1990-04-09 |
Family
ID=24482634
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51110652A Granted JPS5244626A (en) | 1975-10-06 | 1976-09-13 | Device for detecting and closing keyboard switch |
JP60176792A Granted JPS6143792A (ja) | 1975-10-06 | 1985-08-09 | 電子楽器 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51110652A Granted JPS5244626A (en) | 1975-10-06 | 1976-09-13 | Device for detecting and closing keyboard switch |
Country Status (2)
Country | Link |
---|---|
US (1) | US4022098A (en, 2012) |
JP (2) | JPS5244626A (en, 2012) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1555980A (en) * | 1975-08-20 | 1979-11-14 | Nippon Musical Instruments Mfg | Channel processor |
USRE31931E (en) * | 1975-08-20 | 1985-07-02 | Nippon Gakki Seizo Kabushiki Kaisha | Channel processor |
JPS5927918B2 (ja) * | 1976-07-02 | 1984-07-09 | 株式会社河合楽器製作所 | キ−コ−ド発生装置 |
JPS6034759B2 (ja) * | 1976-07-02 | 1985-08-10 | 株式会社河合楽器製作所 | 電子楽器の鍵盤回路 |
JPS534526A (en) * | 1976-07-02 | 1978-01-17 | Kawai Musical Instr Mfg Co | Key chord generator |
JPS5936755B2 (ja) * | 1976-07-02 | 1984-09-05 | 株式会社河合楽器製作所 | キ−アサイナ |
US4348928A (en) * | 1976-09-24 | 1982-09-14 | Kabushiki Kaishi Kawai Gakki Seisakusho | Electronic musical instrument |
US4185529A (en) * | 1976-12-02 | 1980-01-29 | Kabushiki Kaisha Kawai Gakki Seisakusho | Electronic musical instrument |
US4184402A (en) * | 1976-12-27 | 1980-01-22 | Kabushiki Kaisha Kawai Gakki Seisakusho | Electronic musical instrument |
JPS5392115A (en) * | 1977-01-25 | 1978-08-12 | Kawai Musical Instr Mfg Co | Automatic player |
DE2806978C2 (de) * | 1977-02-24 | 1981-09-24 | Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka | Elektronisches Musikinstrument |
US4254681A (en) * | 1977-04-08 | 1981-03-10 | Kabushiki Kaisha Kawai Gakki Seisakusho | Musical waveshape processing system |
US4306481A (en) * | 1977-06-08 | 1981-12-22 | Marmon Company | Dynamic one finger chording system |
US4240316A (en) * | 1977-06-17 | 1980-12-23 | Kabushiki Kaisha Kawai Gakki Seisakusho | Keyboard type electronic musical instrument |
JPS6047599B2 (ja) * | 1977-09-12 | 1985-10-22 | ヤマハ株式会社 | キ−コ−ドデ−タ発生装置 |
US4194426A (en) * | 1978-03-13 | 1980-03-25 | Kawai Musical Instrument Mfg. Co. Ltd. | Echo effect circuit for an electronic musical instrument |
US4194427A (en) * | 1978-03-27 | 1980-03-25 | Kawai Musical Instrument Mfg. Co. Ltd. | Generation of noise-like tones in an electronic musical instrument |
US4211138A (en) * | 1978-06-22 | 1980-07-08 | Kawai Musical Instrument Mfg. Co., Ltd. | Harmonic formant filter for an electronic musical instrument |
JPS5564798A (en) * | 1978-11-10 | 1980-05-15 | Nakanoshi Nogyo Kyodo Kumiai | Purification of carcinostatic substance |
US4361065A (en) * | 1978-11-20 | 1982-11-30 | Kimball International Inc. | Integrated central processor for electronic organ |
JPS5583095A (en) * | 1978-12-18 | 1980-06-23 | Kawai Musical Instr Mfg Co | Allocating device for keyboarddswitch information |
US4246822A (en) * | 1979-02-09 | 1981-01-27 | Kawai Musical Instrument Mfg. Co. Ltd. | Data transfer apparatus for digital polyphonic tone synthesizer |
US4226155A (en) * | 1979-02-16 | 1980-10-07 | Mattel, Inc. | Music synthesizer |
US4249448A (en) * | 1979-04-09 | 1981-02-10 | Kawai Musical Instrument Mfg. Co. Ltd. | Even-odd symmetric computation in a polyphonic tone synthesizer |
US4270430A (en) * | 1979-11-19 | 1981-06-02 | Kawai Musical Instrument Mfg. Co., Ltd. | Noise generator for a polyphonic tone synthesizer |
US4269101A (en) * | 1979-12-17 | 1981-05-26 | Kawai Musical Instrument Mfg. Co., Ltd | Apparatus for generating the complement of a floating point binary number |
JPS56127317A (en) * | 1980-03-11 | 1981-10-06 | Banyu Pharmaceut Co Ltd | Preparation of carcinostatic substance |
US4341141A (en) * | 1980-07-10 | 1982-07-27 | Kawai Musical Instrument Mfg. Co., Ltd. | Polyphonic sliding portamento in a musical instrument |
US4337681A (en) * | 1980-08-14 | 1982-07-06 | Kawai Musical Instrument Mfg. Co., Ltd. | Polyphonic sliding portamento with independent ADSR modulation |
US4429604A (en) | 1981-06-22 | 1984-02-07 | Kimball International, Inc. | Fill note generation system for microcomputer controlled organ |
US4403536A (en) * | 1981-06-22 | 1983-09-13 | Kimball International, Inc. | Microcomputer interfaced electronic organ |
US4424731A (en) | 1981-07-14 | 1984-01-10 | Kimball International, Inc. | Percussion generator having snub control |
US4379420A (en) * | 1981-10-19 | 1983-04-12 | Kawai Musical Instrument Mfg. Co., Ltd. | Adaptive strum keying for a keyboard electronic musical instrument |
JPS6183660A (ja) * | 1984-09-26 | 1986-04-28 | 三洋化成工業株式会社 | 早期強度発現型セメント製品の製造方法 |
US4646608A (en) * | 1985-02-06 | 1987-03-03 | Kawai Musical Instrument Mfg. Co., Ltd. | Phased memory addressing for noise reduction in an electronic musical instrument |
US4601229A (en) * | 1985-04-05 | 1986-07-22 | Kawai Musical Instrument Mfg. Co., Ltd. | Polyphonic tone synthesizer with harmonic range selection |
JPS6211893A (ja) * | 1985-08-10 | 1987-01-20 | ヤマハ株式会社 | 電子楽器 |
US4722259A (en) * | 1986-03-31 | 1988-02-02 | Kawai Musical Instruments Mfg. Co., Ltd. | Keyswitch actuation detector for an electronic musical instrument |
JP2525853B2 (ja) * | 1988-03-17 | 1996-08-21 | ローランド株式会社 | 電子楽器の連打処理装置 |
US5440072A (en) * | 1992-09-25 | 1995-08-08 | Willis; Raymon A. | System for rejuvenating vintage organs and pianos |
US7230548B2 (en) * | 2004-09-28 | 2007-06-12 | Broadcom Corporation | Method and apparatus for high performance key detection with key debounce |
JP6040590B2 (ja) * | 2012-06-27 | 2016-12-07 | カシオ計算機株式会社 | 鍵盤回路及び鍵盤回路の検出方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3752898A (en) * | 1971-04-05 | 1973-08-14 | Kawai Musical Instr Mfg Co | Electronic musical instrument |
JPS5117414B1 (en, 2012) * | 1971-05-11 | 1976-06-02 | ||
US3700781A (en) * | 1972-01-03 | 1972-10-24 | Kawai Musical Instr Mfg Co | Electronic musical instrument |
US3746773A (en) * | 1972-02-04 | 1973-07-17 | Baldwin Co D H | Electronic organ employing time position multiplexed signals |
US3882751A (en) * | 1972-12-14 | 1975-05-13 | Nippon Musical Instruments Mfg | Electronic musical instrument employing waveshape memories |
US3902397A (en) * | 1973-01-12 | 1975-09-02 | Chicago Musical Instr Co | Electronic musical instrument with variable amplitude time encoded pulses |
US3842184A (en) * | 1973-05-07 | 1974-10-15 | Chicago Musical Instr Co | Musical instrument having automatic arpeggio system |
US3899951A (en) * | 1973-08-09 | 1975-08-19 | Nippon Musical Instruments Mfg | Key switch scanning and encoding system |
-
1975
- 1975-10-06 US US05/619,615 patent/US4022098A/en not_active Expired - Lifetime
-
1976
- 1976-09-13 JP JP51110652A patent/JPS5244626A/ja active Granted
-
1985
- 1985-08-09 JP JP60176792A patent/JPS6143792A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6143792A (ja) | 1986-03-03 |
US4022098A (en) | 1977-05-10 |
JPS5244626A (en) | 1977-04-07 |
JPS615153B2 (en, 2012) | 1986-02-15 |
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