Sound generating device

A technology of sound-generating device and sound-generating element, which is applied to the spatial/structural arrangement of speakers, transducer circuit, transducer shell/cabinet/support, etc., can solve problems such as carbon nanotubes that have not yet been discovered, and achieve good durability, The effect of fast heat exchange and cost reduction

Active Publication Date: 2009-12-02
BEIJING FUNATE INNOVATION TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, carbon nanotubes have not been found to be used in the acoustic field in the prior art

Method used

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Embodiment Construction

[0015] The sound generating device of the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0016] see figure 2 , the first embodiment of the present invention provides a sound generating device 10 , the sound generating device 10 includes a signal input device 12 , a sound generating element 14 , a first electrode 142 and a second electrode 144 . The first electrode 142 and the second electrode 144 are spaced apart and electrically connected to the signal input device 12 . The first electrode 142 and the second electrode 144 are electrically connected to both ends of the signal input device 12 for inputting a signal from the signal input device 12 into the sound emitting element 14 .

[0017] The sound emitting element 14 includes a carbon nanotube structure. The carbon nanotube structure is a film structure or other shapes, and has a large specific surface area. The carbon nanotube structure includes unif...

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Abstract

The invention relates to a sound generating device, which comprises a sound generating element and a signal input device used for outputting signals to the sound generating element, wherein the sound generating element comprises a carbon nanotube structure which is used for receiving the signals outputted by the signal input device and emitting corresponding sound waves. The sound generating device can be used in devices capable of generating sound such as earphones, sound boxes, radios and the like.

Description

technical field [0001] The invention relates to a sounding device, in particular to a sounding device based on carbon nanotubes. Background technique [0002] The sounding device generally consists of a signal input device and a sounding element. The electrical signal is input to the sound generating element through the signal input device, and then the sound is emitted. The sound emitting element in the prior art is generally a loudspeaker. The loudspeaker is an electro-acoustic device that converts electrical signals into sound signals. Specifically, the speaker can convert audio electric power signals within a certain range into audible sounds with less distortion and sufficient sound pressure level. [0003] There are many kinds of existing loudspeakers, which can be divided into electrodynamic loudspeakers, electromagnetic loudspeakers, electrostatic loudspeakers and piezoelectric loudspeakers according to their working principles. Although they work in different wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R1/02H04R3/00H04R5/02
Inventor 姜开利肖林陈卓冯辰范守善
Owner BEIJING FUNATE INNOVATION TECH
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