EP 3626462 A1 20200325 - RECORDING APPARATUS AND RECORDING METHOD
Title (en)
RECORDING APPARATUS AND RECORDING METHOD
Title (de)
AUFZEICHNUNGSVORRICHTUNG UND AUFZEICHNUNGSVERFAHREN
Title (fr)
APPAREIL ET PROCÉDÉ D'ENREGISTREMENT
Publication
Application
Priority
JP 2018175209 A 20180919
Abstract (en)
A recording apparatus (250, 250a, 250b) includes a recording head (160, 160a), a light source (150), an irradiation optical device (110), a coupling optical device (120), a detector (130), and an arithmetic device (140). The recording head (160, 160a) is configured to eject liquid containing scattering particles. The irradiation optical device (110) is configured to irradiate the recording head (160, 160a) with an irradiation light being at least a part of light emitted from the light source (150). The coupling optical device (120) is configured to couple reflected or scattered light with reference light to from a coupled light. The detector (130) is configured to detect the coupled light formed by the coupling optical device (120). The arithmetic device (140) is configured to acquire an optical interference tomographic image of the liquid inside the recording head (160, 160a) based on the coupled light.
IPC 8 full level
B41J 2/165 (2006.01); B41J 2/21 (2006.01); B41J 29/393 (2006.01)
CPC (source: EP)
B41J 2/16579 (2013.01); B41J 2/2142 (2013.01)
Citation (applicant)
JP 2005161838 A 20050623 - SEIKO EPSON CORP
Citation (search report)
- [XA] JP 2018043429 A 20180322 - RICOH CO LTD
- [AD] US 2005116979 A1 20050602 - TAKANO YUTAKA [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3626462 A1 20200325; EP 3626462 B1 20220330; JP 2020044734 A 20200326; JP 7172340 B2 20221116
DOCDB simple family (application)
EP 19195988 A 20190906; JP 2018175209 A 20180919