Patent ID: 8686618

Claim:
A vibrating device, comprising: a vibrator including: a first electromechanical energy converting element disposed at a first portion of the vibrator; and a second electromechanical energy converting element disposed at a second portion of the vibrator, wherein the vibrating device is configured to generate a vibration in the vibrator, the vibration comprising a component of a first standing wave and a component of a second standing wave simultaneously with a predetermined time phase difference, and the first standing wave and the second standing wave having multiple nodal lines aligned in the same direction and being different in terms of an order, wherein the first portion extends in a first direction parallel to one of the multiple nodal lines, wherein the second portion extends in a second direction which crosses the first direction, wherein a length of the first portion in the first direction is greater than a length of the first portion in the second direction, and wherein a length of the second portion in the second direction is greater than a length of the second portion in the first direction.