Patent ID: 11932015
Assignee: SEIKO EPSON CORPORATION
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A print head comprising:
a generation portion that amplifies an input signal to generate a drive signal;
an ejection portion that includes a first driving element driven by the drive signal and ejects a liquid in response to the drive of the first driving element;
a supply portion that includes a first switch for switching between supply and non-supply of the drive signal to the first driving element; and
a sound emitting portion that includes a second driving element driven by the drive signal and a second switch for switching between supply and non-supply of the drive signal to the second driving element, the sound emitting portion emitting sound in response to the drive of the second driving element, thereby notifying a user of the sound;
a flow path member provided with a liquid flow path for supplying a liquid to the ejection portion;
a head portion provided with the ejection portion; and
a circuit board provided with the first switch and disposed between the head portion and the flow path member, wherein
the first switch and the second switch are turned on exclusively, and
the second driving element is provided between the flow path member and the circuit board.