Load and dispersion cell for sound

Details Load and dispersion cell for sound Load and dispersion cell for sound

1987-04-13

1989-09-26

LaRoche, Eugene R.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381188, 381 90, 181144, 181155, H05K 500

Patent

active

048706914

ABSTRACT:
A method and apparatus for sound reproduction wherein a load and dispersion cell is provided. The cell comprises walls to enclose transducer means. The transducer means have front and back surfaces and are secured within the walls. The walls form an elongated narrow sound emitting slot. The slot is spaced from and extends parallel to and over the lengthwise center of the front surface of the transducer means. The slotted cell spreads the field of sound generated by the transducer in a direction perpendicular to the longitudinal axis of the slot and loads the transducer to lower its resonance. The cell in accordance with the present invention extends the low frequency response and provides more uniform dispersion of sound.

REFERENCES:
patent: 2646851 (1953-07-01), Chapman et al.
patent: 2694463 (1954-11-01), Robbins et al.
patent: 2731101 (1956-01-01), Klipsch
patent: 2805729 (1957-09-01), Read
patent: 3964571 (1976-06-01), Snell
patent: 4051919 (1977-10-01), Buettner
patent: 4268719 (1981-05-01), Manager
patent: 4657107 (1987-04-01), Harwood

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