Miniature speaker device and television set
First Claim
Patent Images
1. A miniature speaker device comprising:
- a housing;
a speaker mounted on said housing;
a passive radiator mounted on said housing and vibrating in resonance with vibration of said speaker and having no driving system;
a low frequency range amplification circuit for amplifying sound pressure in frequency components of a low frequency range of a single audio signal input in said speaker; and
an amplifier circuit for amplifying the audio signal output from said low frequency range amplification circuit.
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Accused Products
Abstract
A miniature speaker device includes a housing, a speaker mounted on the housing, a passive radiator mounted on the housing and vibrating in resonance with vibration of the speaker and having no driving system and a low frequency range amplification circuit for amplifying sound pressure in frequency components of a low frequency range of a single audio signal input in the speaker.
6 Citations
20 Claims
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1. A miniature speaker device comprising:
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a housing; a speaker mounted on said housing; a passive radiator mounted on said housing and vibrating in resonance with vibration of said speaker and having no driving system; a low frequency range amplification circuit for amplifying sound pressure in frequency components of a low frequency range of a single audio signal input in said speaker; and an amplifier circuit for amplifying the audio signal output from said low frequency range amplification circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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- 14. A thin television set comprising a miniature speaker device including a housing, a speaker mounted on said housing, a passive radiator mounted on said housing and vibrating in resonance with vibration of said speaker and having no driving system, a low frequency range amplification circuit for amplifying sound pressure in frequency components of a low frequency range of a single audio signal input in said speaker, and an amplifier circuit for amplifying the audio signal output from said low frequency range amplification circuit.
Specification