| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a water heater remote controller enhancing resistance to outside noise. <P>SOLUTION: This water heater remote controller includes: a circuit board 12 having a power source pattern 5 and a ground pattern 7; an electronic component 1 having a conductive component outline 4, which is electrically connected with the ground pattern 7; a housing receiving the circuit board 12 and the electronic component 1, and having a structure capable releasing static electricity to the component outline 4 from a charged user in a normal use state; a first noise eliminating component 8 disposed between the component outline 4 and the ground pattern 7 and having higher impedance in accordance with increase of frequency; and a second noise eliminating component 9 disposed at a latter part of the first noise eliminating component 8 when observed from the electronic component 1, between the power source pattern 5 and the ground pattern 7, and having lower impedance in accordance with increase of the frequency. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
