| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress vibration of an operating part during voice announcement to prevent a user from feeling uncomfortable, and to secure sufficient volume and tone quality of the voice announcement. <P>SOLUTION: A cooking heater includes: an operation substrate holder 16 for an operation substrate 15 for controlling the operating part 13 that is disposed on a front side of an upper face or at a front face of a cooking heater body 11 and through which an operation is entered; a housing 17; and a speaker 18 installed in the operation substrate 15. The speaker 18 is covered with the housing 17 to resonate the housing 17 during voice announcement, accordingly the vibration of the operating part 13 is reduced, and also required volume and tone quality of the sound is readily secured by the resonance effect. <P>COPYRIGHT: (C)2013,JPO&INPIT |
