公开(公告)号：US07835534B2

公开(公告)日：2010-11-16

申请号：US11488330

申请日：2006-07-18

申请人： Steven W. Cole, Jr. ,  Richard E. Gray

发明人： Steven W. Cole, Jr. ,  Richard E. Gray

IPC分类号： H04R29/00

CPC分类号： A45C11/20 ,  A45C15/00

摘要： A preferred embodiment of portable lunchbox equipment that is particularly useful at construction and other jobsites is disclosed which provides important desirable features and functionality comprising a housing, at least one charger for charging a removable battery pack, an audio unit for producing an audio signal, a heating unit, an insulated compartment, a cooling unit for the compartment, a cord and plug for connecting said apparatus to a source of AC power, and circuitry for selectively applying power to the audio unit, the charger and the heating unit.

摘要翻译： 公开了在建筑和其他工作场合特别有用的便携式餐盒设备的优选实施例，其提供重要的期望特征和功能，其包括外壳，用于对可移除电池组充电的至少一个充电器，用于产生音频信号的音频单元， 加热单元，隔热隔室，用于隔室的冷却单元，用于将所述设备连接到AC电源的电缆和插头，以及用于向音频单元，充电器和加热单元选择性地施加电力的电路。