Patent Application
20110110537
1. Field of the Invention
The present invention relates to a light-powered loudspeaker system.
2. Description of the Related Art
In a related art, the loudspeaker system 8 is equipped with a built-in battery instead of the power cables 91. This improves the mobility of the loudspeaker system 8. However, it is required to frequently change/recharge the built-in battery to ensure the operation of the loudspeaker system 8, making it more inconvenient to use the loudspeaker system 8. Additionally, the wasted batteries may be harmful to the environment.
In light of the problem, it exists a need for a loudspeaker system that uses a new energy solution, while maintaining the high mobility.
The invention discloses a loudspeaker system including a solar power generator, an adjusting element, a power storage device, a wireless signal receiver, a power amplifier and a speaker module. The solar power generator is configured to receive a solar energy and convert the received solar energy into electricity energy. The adjusting element is used to adjust the angle and the direction of a light-receiving surface of the solar power generator with respect to the outer surface of the casing, therefore the solar energy can be efficiently received by the solar power generator. The power storage device is coupled to the solar power generator for storing the converted electricity energy. The wireless signal receiver is coupled to the power storage device, receives wireless audio signals and generates an output signal. The power amplifier is coupled to the power storage device and the wireless signal receiver, amplifies the output signal and generates an amplified audio signal. The speaker module is coupled to the power amplifier and produces voices according to the amplified audio signal.
The present invention will become more fully understood from the detailed description given hereinafter and the accompanying drawings which are given by way of illustration only, and thus are not limitative of the present invention, and wherein:
In the various figures of the drawings, the same numerals designate the same or similar parts. Furthermore, when the terms “first”, “second” and similar terms are used hereinafter, it should be understood that these terms are reference only to the structure shown in the drawings as it would appear to a person viewing the drawings and are utilized only to facilitate describing the invention.
In the structure of
The solar power generator 1 is electrically connected to the power storage device 4 so that the electricity energy converted from the received solar energy is stored therein. The stored electricity is then provided to the related devices to ensure the normal operation of the loudspeaker system. In particular, the power storage device 4 is electrically connected to the wireless signal receiver 5 and the power amplifier 6 so that the required electricity of the wireless signal receiver 5 and the power amplifier 6 is provided. The wireless signal receiver 5 is electrically coupled to a audio signal transmitter (not shown) in a wireless manner in order to receive wireless audio signals therefrom. The wireless signal receiver 5 may be an infrared receiver or a Bluetooth receiver, but is not limited thereto. After receiving the wireless audio signals, the wireless signal receiver 5 performs a series of signal processing on the received audio signals to generate an output signal, such as signal detecting or filtering, but is not limited thereto. In addition, since the wireless signal receiver 5 is electrically connected to the power amplifier 6, the wireless signal receiver 5 sends the output signal to the power amplifier 6. The power amplifier 6 is configured to amplify the output signal to generate an amplified audio signal. Besides, since the power amplifier 6 is electrically connected to the speaker module 7, the amplified audio signal can be sent to the speaker module 7 for producing voices. According to the above-illustrated embodiment of the present invention, an appearance drawing of the proposed loudspeaker system is shown in
Although the invention has been described in detail with reference to its presently preferable embodiment, it will be understood by one of ordinary skill in the art that various modifications can be made without departing from the spirit and the scope of the invention, as set forth in the appended claims.
