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TW200714474A - Driving circuit for inkjet heating chip - Google Patents

Driving circuit for inkjet heating chip

Info

Publication number
TW200714474A
TW200714474A TW094134729A TW94134729A TW200714474A TW 200714474 A TW200714474 A TW 200714474A TW 094134729 A TW094134729 A TW 094134729A TW 94134729 A TW94134729 A TW 94134729A TW 200714474 A TW200714474 A TW 200714474A
Authority
TW
Taiwan
Prior art keywords
driving circuit
circuit
input terminal
heater
selection circuit
Prior art date
Application number
TW094134729A
Other languages
Chinese (zh)
Other versions
TWI277523B (en
Inventor
Wen-Hsiung Liao
Rong-Ho Yu
Original Assignee
Microjet Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microjet Technology Co Ltd filed Critical Microjet Technology Co Ltd
Priority to TW94134729A priority Critical patent/TWI277523B/en
Application granted granted Critical
Publication of TWI277523B publication Critical patent/TWI277523B/en
Publication of TW200714474A publication Critical patent/TW200714474A/en

Links

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

A driving circuit for an inkjet heating chip of a printhead is disclosed. The driving circuit is connected with a first input terminal, a second input terminal, a third input terminal and a common terminal for avoiding a heater to occur error printing operation. The driving circuit includes : a heater, a selection circuit and a protection circuit. The protection circuit is used to conduct the selection circuit and the common terminal in response to the triggering of a control signal from the first input terminal. When electric leakage or noise is generated at the output terminal of the selection circuit, the protection circuit can eliminate the output voltage generated from the selection circuit so as to prevent the output voltage to trigger the heater resulting in error printing operation or unnecessary energy consumption.
TW94134729A 2005-10-04 2005-10-04 Driving circuit for inkjet heating chip TWI277523B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94134729A TWI277523B (en) 2005-10-04 2005-10-04 Driving circuit for inkjet heating chip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94134729A TWI277523B (en) 2005-10-04 2005-10-04 Driving circuit for inkjet heating chip

Publications (2)

Publication Number Publication Date
TWI277523B TWI277523B (en) 2007-04-01
TW200714474A true TW200714474A (en) 2007-04-16

Family

ID=38625954

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94134729A TWI277523B (en) 2005-10-04 2005-10-04 Driving circuit for inkjet heating chip

Country Status (1)

Country Link
TW (1) TWI277523B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI487627B (en) * 2011-08-26 2015-06-11 Microjet Technology Co Ltd Inkjet chip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI487627B (en) * 2011-08-26 2015-06-11 Microjet Technology Co Ltd Inkjet chip

Also Published As

Publication number Publication date
TWI277523B (en) 2007-04-01

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