Title:
記録装置
Document Type and Number:
Japanese Patent JP5885412
Kind Code:
B2
Abstract:
A printing apparatus includes a printhead incorporating a temperature sensor, a control unit which controls the printhead, and a flexible cable which connects the printhead and the control unit. The flexible cable includes a first signal line and second signal line which generate voltages corresponding to the temperature of the printhead, and are connected to the temperature sensor. A differential amplifier circuit which is incorporated in the control unit amplifies the voltage difference between the first signal line and the second signal line to output the amplified voltage difference as temperature information of the printhead. A matching circuit makes the wiring resistances of the first signal line and second signal line match each other by grounding either the first signal line or the second signal line via a resistor in the printhead.
Inventors:
Kazunori Masuda
Application Number:
JP2011150341A
Publication Date:
March 15, 2016
Filing Date:
July 06, 2011
Export Citation:
Assignee:
Canon Inc
International Classes:
B41J29/00; B41J2/01
Domestic Patent References:
| JP6336071A | ||||
| JP11326455A | ||||
| JP2002225246A | ||||
| JP2004048750A | ||||
| JP2006041193A | ||||
| JP8197749A | ||||
| JP2004291280A |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu