JPH0741038Y2 - 鍵盤センサ - Google Patents

鍵盤センサ

Info

Publication number
JPH0741038Y2
JPH0741038Y2 JP1186088U JP1186088U JPH0741038Y2 JP H0741038 Y2 JPH0741038 Y2 JP H0741038Y2 JP 1186088 U JP1186088 U JP 1186088U JP 1186088 U JP1186088 U JP 1186088U JP H0741038 Y2 JPH0741038 Y2 JP H0741038Y2
Authority
JP
Japan
Prior art keywords
key
light
sensor
optical sensor
detection signal
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
Application number
JP1186088U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01115797U (enrdf_load_stackoverflow
Inventor
保敏 兼子
隆 玉木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Yamaha Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JP1186088U priority Critical patent/JPH0741038Y2/ja
Application filed by Yamaha Corp filed Critical Yamaha Corp
Priority to EP89101473A priority patent/EP0326969B1/en
Priority to DE68929035T priority patent/DE68929035T2/de
Priority to DE68922007T priority patent/DE68922007T2/de
Priority to US07/302,381 priority patent/US4913026A/en
Priority to CA000589312A priority patent/CA1280918C/en
Priority to EP94110627A priority patent/EP0620544B1/en
Priority to KR1019890001026A priority patent/KR940002434B1/ko
Publication of JPH01115797U publication Critical patent/JPH01115797U/ja
Application granted granted Critical
Publication of JPH0741038Y2 publication Critical patent/JPH0741038Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1186088U 1988-01-29 1988-01-29 鍵盤センサ Expired - Lifetime JPH0741038Y2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP1186088U JPH0741038Y2 (ja) 1988-01-29 1988-01-29 鍵盤センサ
DE68929035T DE68929035T2 (de) 1988-01-29 1989-01-27 Automatisches Klavier mit Ermittlung der Anschlagsstärke
DE68922007T DE68922007T2 (de) 1988-01-29 1989-01-27 Tastenkraftermittlung für automatische Klaviere.
US07/302,381 US4913026A (en) 1988-01-29 1989-01-27 Automatic player piano with touch strength estimator
EP89101473A EP0326969B1 (en) 1988-01-29 1989-01-27 Automatic player piano touch strength estimator
CA000589312A CA1280918C (en) 1988-01-29 1989-01-27 Automatic player piano with touch strength estimator
EP94110627A EP0620544B1 (en) 1988-01-29 1989-01-27 Automatic piano player with touch strength estimator
KR1019890001026A KR940002434B1 (ko) 1988-01-29 1989-01-30 키이터치 추정 시스템 및 그것을 구비한 자동연주 피아노

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1186088U JPH0741038Y2 (ja) 1988-01-29 1988-01-29 鍵盤センサ

Publications (2)

Publication Number Publication Date
JPH01115797U JPH01115797U (enrdf_load_stackoverflow) 1989-08-03
JPH0741038Y2 true JPH0741038Y2 (ja) 1995-09-20

Family

ID=31220783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1186088U Expired - Lifetime JPH0741038Y2 (ja) 1988-01-29 1988-01-29 鍵盤センサ

Country Status (1)

Country Link
JP (1) JPH0741038Y2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2830165B2 (ja) * 1989-09-21 1998-12-02 ヤマハ株式会社 電子楽器用鍵盤装置
JP2832683B2 (ja) * 1994-12-01 1998-12-09 株式会社河合楽器製作所 電子楽器の鍵盤装置
JP2891248B2 (ja) * 1997-08-28 1999-05-17 ヤマハ株式会社 電子鍵盤楽器

Also Published As

Publication number Publication date
JPH01115797U (enrdf_load_stackoverflow) 1989-08-03

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