Megaphone of angularly adjustable

Megaphone of angularly adjustable

The utility model discloses a megaphone of angularly adjustable, including the megaphone casing, the medial surface of stop collar is pegged graft and is had the rotation axis, the bottom fixed mounting of rotation axis has the megaphone loudspeaker, the even fixedly connected with 4 of a lower surf...

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1. Verfasser: WEN XIANGFEI
Format: Patent
Sprache:chi ; eng
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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description The utility model discloses a megaphone of angularly adjustable, including the megaphone casing, the medial surface of stop collar is pegged graft and is had the rotation axis, the bottom fixed mounting of rotation axis has the megaphone loudspeaker, the even fixedly connected with 4 of a lower surface bracing piece of clamp plate, 4 the bottom fixed mounting of bracing piece has rubber laminatingpiece, two public address mouths have been seted up, two to the front surface of megaphone casing the equal fixed mounting of medial surface of public address mouth has the dust screen, megaphone loudspeaker and external power supply electrical connection, the utility model discloses a rotation axis, bracing piece and rubber laminating piece make the user can adjust loudspeaker's angle through the rotation axis and fix loudspeaker's angle through bracing piece and rubber laminating piece according to the on -the -spot condition of difference when using the megaphone to reach best loudspeakereffect. 本实用新型公开了种角度可调的扩音器，
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
title Megaphone of angularly adjustable
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