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Title:
TEST APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/166867
Kind Code:
A1
Abstract:
The disclosure concerns a test apparatus comprising a drum (100) configured such that ink drops (200) deposited on the surface of the drum form a printed marking (210) on the surface of the drum. The test apparatus further comprises an ink removal unit (300) configured to remove ink from the surface of the drum. The drum is at least partially transmissive of light and a light source (800) is disposed inside the drum to controllably illuminate the drum.

Inventors:
MOULE DAVE (GB)
SMITH MARK (GB)
Application Number:
PCT/JP2021/005589
Publication Date:
August 26, 2021
Filing Date:
February 16, 2021
Export Citation:
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Assignee:
RICOH CO LTD (JP)
MOULE DAVE (GB)
SMITH MARK (GB)
International Classes:
B41J2/21; B41F33/00; B41J2/005; B41J2/01; B41J3/407; B41J25/00; B41J25/304; B41J29/393; G01N21/01; G06K5/00
Foreign References:
US3028502A1962-04-03
DE10217403A12003-07-10
CH466330A1968-12-15
JPS63209947A1988-08-31
GB2002208A1979-02-14
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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