GB1381223A - Electronic musical instrument circuit - Google Patents

Electronic musical instrument circuit

Info

Publication number
GB1381223A
GB1381223A GB2240673A GB2240673A GB1381223A GB 1381223 A GB1381223 A GB 1381223A GB 2240673 A GB2240673 A GB 2240673A GB 2240673 A GB2240673 A GB 2240673A GB 1381223 A GB1381223 A GB 1381223A
Authority
GB
United Kingdom
Prior art keywords
circuit
output
oscillator
amplifier
transistor
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
GB2240673A
Other languages
English (en)
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.)
Wurlitzer Co
Original Assignee
Wurlitzer Co
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 by Wurlitzer Co filed Critical Wurlitzer Co
Publication of GB1381223A publication Critical patent/GB1381223A/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
    • G10H5/00—Instruments in which the tones are generated by means of electronic generators
    • G10H5/02—Instruments in which the tones are generated by means of electronic generators using generation of basic tones
    • G10H5/04—Instruments in which the tones are generated by means of electronic generators using generation of basic tones with semiconductor devices as active elements
    • 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
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/043—Continuous modulation
    • 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
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
    • 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
    • G10H1/36—Accompaniment arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/22—Chord organs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
GB2240673A 1972-08-25 1973-05-10 Electronic musical instrument circuit Expired GB1381223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00283832A US3813474A (en) 1972-08-25 1972-08-25 Electronic musical instrument circuit

Publications (1)

Publication Number Publication Date
GB1381223A true GB1381223A (en) 1975-01-22

Family

ID=23087756

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2240673A Expired GB1381223A (en) 1972-08-25 1973-05-10 Electronic musical instrument circuit

Country Status (6)

Country Link
US (1) US3813474A (enExample)
JP (1) JPS4960728A (enExample)
CA (1) CA976004A (enExample)
DE (1) DE2338609A1 (enExample)
GB (1) GB1381223A (enExample)
IT (1) IT989649B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123454A (enExample) * 1974-03-15 1975-09-27
CN109874086B (zh) * 2019-03-28 2023-11-10 深圳市威拓思音乐有限公司 一种耳放连接装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2305574A (en) * 1940-10-24 1942-12-15 Central Commercial Co Musical instrument
US2583566A (en) * 1947-06-11 1952-01-29 Hammond Instr Co Electrical musical instrument
US2506723A (en) * 1947-12-31 1950-05-09 Stromberg Carlson Co Electrical generation of musical tones
US2710555A (en) * 1948-12-28 1955-06-14 Martin Constant Electronic musical instrument
US2691318A (en) * 1950-06-23 1954-10-12 Hammond Organ Co Electrical musical instrument
US2846913A (en) * 1950-06-23 1958-08-12 Hammond Organ Co Circular scale electrical musical instrument
US2962922A (en) * 1957-11-12 1960-12-06 Pacific Mercury Television Mfg Chord organ
US3288904A (en) * 1962-09-25 1966-11-29 Hammond Organ Co Tone frequency control system for electronic musical instruments
US3359358A (en) * 1963-05-22 1967-12-19 Warwick Electronics Inc Chord organ switching circuit for selectively playing either chords or single notes by depressing one key
US3283057A (en) * 1964-06-26 1966-11-01 Seeburg Corp Keyboard oscillator circuit
US3433880A (en) * 1965-10-20 1969-03-18 Conn Ltd C G Percussion system
US3511917A (en) * 1967-04-10 1970-05-12 Seeburg Corp Voltage selection arrangement wherein same contacts switch selectable d.c. pitch potential and constant a.c. for control function
US3538804A (en) * 1968-06-06 1970-11-10 Hammond Organ Co Electronic solo instrument having high-note guard circuit
US3579144A (en) * 1969-03-19 1971-05-18 Rca Corp Relaxation oscillator gated by transistor switch
US3659031A (en) * 1969-10-10 1972-04-25 Nippon Musical Instruments Mfg Monophonic electronic musical instrument with a variable frequency oscillator employing positive feed back
US3665088A (en) * 1970-11-27 1972-05-23 Warwick Electronics Inc Keyer circuit for an electronic musical instrument wherein a single switch may actuate a single note or a chord
US3665089A (en) * 1970-12-17 1972-05-23 Tonus Inc Music synthesizer keyboard
US3733955A (en) * 1971-12-06 1973-05-22 Venture Technology Inc Music synthesizer keyboard circuit

Also Published As

Publication number Publication date
US3813474A (en) 1974-05-28
CA976004A (en) 1975-10-14
IT989649B (it) 1975-06-10
DE2338609A1 (de) 1974-03-07
JPS4960728A (enExample) 1974-06-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee