GB857979A - Sound producer - Google Patents

Sound producer

Info

Publication number
GB857979A
GB857979A GB599059A GB599059A GB857979A GB 857979 A GB857979 A GB 857979A GB 599059 A GB599059 A GB 599059A GB 599059 A GB599059 A GB 599059A GB 857979 A GB857979 A GB 857979A
Authority
GB
United Kingdom
Prior art keywords
loud
speaker
compartment
bass
treble
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
GB599059A
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.)
JESSIE W KARSTED
Original Assignee
JESSIE W KARSTED
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 JESSIE W KARSTED filed Critical JESSIE W KARSTED
Priority to GB599059A priority Critical patent/GB857979A/en
Publication of GB857979A publication Critical patent/GB857979A/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
    • G10H1/02—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
    • G10H1/047—Continuous modulation by acousto-mechanical means, e.g. rotating speakers or sound deflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

857,979. Electrophonic musical instruments. KARSTED, J. W., and SUMNER, I. F. Feb. 20, 1959, No. 5990/59. Class 88 (2). [Also in Group XXXIX] The output of an electrophonic instrument is divided between a treble loud-speaker 20 and a bass loud-speaker 36; the two loud-speakers are located in horizontally separated compartments 10 and 12 joined by a sound passage through an intermediate compartment 15, each loud-speaker compartment 10, 12 having also a sound outlet (not shown), and the treble loudspeaker 20 has a rotating horn 25 which sweeps past both the sound outlet of its compartment 10 and the entrance of the passage leading to the bass loud-speaker compartment 12. The rotating horn 25 produces a vibrato by means of the Doppler effect and also distributes the output of the treble loud-speaker between its direct outlet and the outlet of the bass loudspeaker compartment, the intermediate compartment 15 introducing reverberation. The bass loud-speaker 36 also has a rotating horn 40, the axes of rotation of the two horns 25 and 40 being mutually perpendicular.
GB599059A 1959-02-20 1959-02-20 Sound producer Expired GB857979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB599059A GB857979A (en) 1959-02-20 1959-02-20 Sound producer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB599059A GB857979A (en) 1959-02-20 1959-02-20 Sound producer

Publications (1)

Publication Number Publication Date
GB857979A true GB857979A (en) 1961-01-04

Family

ID=9806397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB599059A Expired GB857979A (en) 1959-02-20 1959-02-20 Sound producer

Country Status (1)

Country Link
GB (1) GB857979A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3204722A (en) * 1964-12-29 1965-09-07 Harold H Hare Electronic organ speaker with tremolo effect
US3726358A (en) * 1970-04-17 1973-04-10 Nippon Musical Instruments Mfg Rotary loudspeaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3204722A (en) * 1964-12-29 1965-09-07 Harold H Hare Electronic organ speaker with tremolo effect
US3726358A (en) * 1970-04-17 1973-04-10 Nippon Musical Instruments Mfg Rotary loudspeaker

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