Patent ID: 11926154
Assignee: SEIKO EPSON CORPORATION
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A liquid ejecting apparatus comprising:
a print head that ejects a liquid;
a digital signal output circuit that outputs a digital signal to the print head; and
a liquid accommodating container that supplies the liquid to the print head, wherein
the print head includes
a supply port to which the liquid is supplied from the liquid accommodating container,
a nozzle plate having a plurality of nozzles that eject the liquid,
a substrate having first and second sides positioned opposite to each other, third and fourth sides positioned opposite to each other, a first surface, and a second surface different from the first surface,
a connector to which the digital signal is input, and
an integrated circuit to which the digital signal is input via the connector and that outputs an abnormality detection signal indicating presence or absence of an abnormality in the print head,

the connector is provided on the first surface,
the integrated circuit is provided on the second surface,
the substrate includes an annular wiring electrically coupled to the integrated circuit, and
the annular wiring is disposed in an annular shape along an outer periphery of the substrate including the first side, the second side, the third side, and the fourth side.