GB1294996A - - Google Patents

Info

Publication number
GB1294996A
GB1294996A GB1294996DA GB1294996A GB 1294996 A GB1294996 A GB 1294996A GB 1294996D A GB1294996D A GB 1294996DA GB 1294996 A GB1294996 A GB 1294996A
Authority
GB
United Kingdom
Prior art keywords
transistor
signal
switching
gates
resistor
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
Other languages
English (en)
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 claimed from JP44004299A external-priority patent/JPS4840407B1/ja
Priority claimed from JP44004301A external-priority patent/JPS4840409B1/ja
Application filed filed Critical
Publication of GB1294996A publication Critical patent/GB1294996A/en
Expired legal-status Critical Current

Links

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
    • G10H1/22—Selecting circuits for suppressing tones; Preference networks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
GB1294996D 1969-01-18 1970-01-19 Expired GB1294996A (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP44004299A JPS4840407B1 (https=) 1969-01-18 1969-01-18
JP44004301A JPS4840409B1 (https=) 1969-01-18 1969-01-18

Publications (1)

Publication Number Publication Date
GB1294996A true GB1294996A (https=) 1972-11-01

Family

ID=26338043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1294996D Expired GB1294996A (https=) 1969-01-18 1970-01-19

Country Status (4)

Country Link
US (1) US3585892A (https=)
FR (1) FR2028585A1 (https=)
GB (1) GB1294996A (https=)
NL (1) NL157439B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121173A (en) * 1982-04-28 1983-12-14 West Electric Co Pulsed ultrasonic auto-focussing device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190951A (en) * 1961-11-15 1965-06-22 Chicago Musical Instr Co Electrical musical instrument
US3488515A (en) * 1965-10-08 1970-01-06 Nippon Musical Instruments Mfg Circuit arrangement for selective and durable signal coupling
US3446904A (en) * 1968-01-04 1969-05-27 Warwick Electronics Inc Key system for electrical musical instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121173A (en) * 1982-04-28 1983-12-14 West Electric Co Pulsed ultrasonic auto-focussing device

Also Published As

Publication number Publication date
US3585892A (en) 1971-06-22
DE1964826A1 (de) 1970-08-27
DE1964826B2 (de) 1975-11-20
NL7000437A (https=) 1970-07-21
FR2028585A1 (https=) 1970-10-09
NL157439B (nl) 1978-07-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years