JPH0432719Y2 - - Google Patents

Info

Publication number
JPH0432719Y2
JPH0432719Y2 JP1983090093U JP9009383U JPH0432719Y2 JP H0432719 Y2 JPH0432719 Y2 JP H0432719Y2 JP 1983090093 U JP1983090093 U JP 1983090093U JP 9009383 U JP9009383 U JP 9009383U JP H0432719 Y2 JPH0432719 Y2 JP H0432719Y2
Authority
JP
Japan
Prior art keywords
key
matrix
optical signal
optical
shutter
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
Application number
JP1983090093U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59194796U (ja
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
Application filed filed Critical
Priority to JP9009383U priority Critical patent/JPS59194796U/ja
Publication of JPS59194796U publication Critical patent/JPS59194796U/ja
Application granted granted Critical
Publication of JPH0432719Y2 publication Critical patent/JPH0432719Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electronic Switches (AREA)
JP9009383U 1983-06-13 1983-06-13 キ−アサイナの押鍵検出装置 Granted JPS59194796U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9009383U JPS59194796U (ja) 1983-06-13 1983-06-13 キ−アサイナの押鍵検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9009383U JPS59194796U (ja) 1983-06-13 1983-06-13 キ−アサイナの押鍵検出装置

Publications (2)

Publication Number Publication Date
JPS59194796U JPS59194796U (ja) 1984-12-25
JPH0432719Y2 true JPH0432719Y2 (enrdf_load_stackoverflow) 1992-08-06

Family

ID=30219996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9009383U Granted JPS59194796U (ja) 1983-06-13 1983-06-13 キ−アサイナの押鍵検出装置

Country Status (1)

Country Link
JP (1) JPS59194796U (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3979168B2 (ja) * 2002-04-26 2007-09-19 ヤマハ株式会社 鍵盤楽器の押鍵検出装置における発光部構造
JP2016086239A (ja) * 2014-10-23 2016-05-19 ファナック株式会社 キーボード

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115972B2 (enrdf_load_stackoverflow) * 1972-02-22 1976-05-20
JPS5150477A (enrdf_load_stackoverflow) * 1974-10-30 1976-05-04 Oki Electric Ind Co Ltd
JPS55111991A (en) * 1979-02-21 1980-08-29 Nippon Musical Instruments Mfg Detector for key in electronic musical instrument

Also Published As

Publication number Publication date
JPS59194796U (ja) 1984-12-25

Similar Documents

Publication Publication Date Title
US4468999A (en) Programmable synthesizer
US6481531B1 (en) Elevator communications apparatus
JPH0432719Y2 (enrdf_load_stackoverflow)
MY105369A (en) Arrangement for the waveguide-free bidirectional light or infrared transmission of electrical signal.
US4080517A (en) Audio sensory apparatus and method for monitoring indicator lamp status of multi-line telephone instrument
KR840009016A (ko) 제어 시스템
SE8305382L (sv) Elektronisk releomkopplare
GB2079026A (en) Electronic musical instrument
JPS5494314A (en) Electronic musical instrument
DE3479934D1 (en) A remote control and transmission system for piano rendition
JPH0134461Y2 (enrdf_load_stackoverflow)
JPH0455517B2 (enrdf_load_stackoverflow)
JPS56112171A (en) Testing device for picture modification treatment
JP2850339B2 (ja) 遠隔監視制御用端末器
KR0170867B1 (ko) 제어기의 조작 패널에서의 키이입력 확인 디스플레이 시스템
JPH0312496B2 (enrdf_load_stackoverflow)
JPS6374213A (ja) 機器の入力装置
GB1101420A (en) Voice-controlled actuator
JPS59121423A (ja) キ−ボ−ド入力装置
KR0133822B1 (ko) 디지탈-키 제어 방식 도어 개폐장치
SU907842A1 (ru) Устройство дл ввода информации
SU711693A1 (ru) Устройство дл моделировани работы системы адресного вызова
CA1267202A (en) Optical keyswitch and method
SE302236B (enrdf_load_stackoverflow)
JPS5779517A (en) Heating device