Portable sound device for public address

Details Portable sound device for public address Portable sound device for public address

1976-07-15

1978-02-28

Claffy, Kathleen H.

179 1MG, H04R 300

Patent

active

040769577

ABSTRACT:
A relatively small, compact and portable public address sound device embodied in a carrying case having a strap and a sound previous wall behind which the speaker is mounted. The case has a top flap which may be secured closed, has a volume control knob extending from the side of the case and accommodates a removable microphone carrying box at the top of the case. A rechargeable battery pack is supported in the case from a bracket which also supports the speaker, volume control potentiometer and a circuit component board. The removable box is secured in the carrying case by snaps.

REFERENCES:
patent: 2820890 (1958-01-01), Koch
patent: 3042749 (1962-07-01), Johnson
patent: 3126450 (1964-03-01), Neil et al.
patent: 3258534 (1966-06-01), Goldsworthy
Lafayette Catalog, No. 740, 1944, p. 160.

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