FR1569291A - - Google Patents

Info

Publication number
FR1569291A
FR1569291A FR1569291DA FR1569291A FR 1569291 A FR1569291 A FR 1569291A FR 1569291D A FR1569291D A FR 1569291DA FR 1569291 A FR1569291 A FR 1569291A
Authority
FR
France
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
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
Application granted granted Critical
Publication of FR1569291A publication Critical patent/FR1569291A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/08112—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit in bipolar transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Electronic Switches (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
FR1569291D 1967-06-19 1968-06-14 Expired FR1569291A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3884967 1967-06-19

Publications (1)

Publication Number Publication Date
FR1569291A true FR1569291A (fr) 1969-05-30

Family

ID=12536631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1569291D Expired FR1569291A (fr) 1967-06-19 1968-06-14

Country Status (5)

Country Link
US (1) US3535972A (fr)
DE (1) DE1772626C3 (fr)
FR (1) FR1569291A (fr)
GB (1) GB1219623A (fr)
NL (1) NL6808487A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637915A (en) * 1969-04-14 1972-01-25 Nippon Musical Instruments Mfg Sustain keyer circuitry with sustain time control circuit in electronic musical instrument
US3652775A (en) * 1969-06-25 1972-03-28 Nippon Musical Instruments Mfg Percussion keyer for an electronic musical instrument
NL7015768A (fr) * 1969-10-29 1971-05-04
US3655904A (en) * 1970-12-14 1972-04-11 Herbert Cohen Electric variable tone percussion instrument
CA970604A (en) * 1971-07-20 1975-07-08 Yasuji Uchiyama Touch-responsive keying circuit for electronic musical instruments
JP5758774B2 (ja) 2011-10-28 2015-08-05 ローランド株式会社 効果装置
US8735710B2 (en) * 2012-02-10 2014-05-27 Roland Corporation Electronic stringed instrument having effect device
CN108322223B (zh) * 2018-04-02 2024-02-09 延锋伟世通电子科技（上海）有限公司 一种带释放功能的状态保持电路

Also Published As

Publication number Publication date
GB1219623A (en) 1971-01-20
DE1772626B2 (de) 1973-04-19
US3535972A (en) 1970-10-27
DE1772626C3 (de) 1973-11-15
NL6808487A (fr) 1968-12-20
DE1772626A1 (de) 1970-08-20

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Legal Events

Date Code Title Description
ST Notification of lapse