Title:
METHOD OF ERASING WRITING TRACE ON INFRARED TOUCH APPARATUS, AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/090727
Kind Code:
A1
Abstract:
The invention discloses a method of erasing a writing trace on an infrared touch apparatus, and a system. The method comprises: upon detecting a trace erasure operation on an infrared touchscreen, acquiring an eraser AGC value, an eraser brush size, and an erasure path; acquiring, according to the eraser AGC value and the eraser brush size, a corresponding eraser attribute; and acquiring, according to the eraser attribute and a preconfigured correspondence, a corresponding writing pen tool attribute, and erasing a writing trace corresponding to the writing pen tool attribute and covered by the erasure path of the eraser. In the embodiment, in the process of erasing the writing trace, the eraser AGC value and the eraser brush size are acquired to determine the eraser attribute, and then the writing trace corresponding to a specific writing pen tool attribute is erased, so as to realize simultaneous erasure using a plurality of different erasers, implementing simultaneous and targeted erasing of the plurality of erasers, and enhancing operability.
Inventors:
WU CHANGJUN (CN)
WEI YANGYANG (CN)
LIU WEIHE (CN)
WEI YANGYANG (CN)
LIU WEIHE (CN)
Application Number:
PCT/CN2017/103487
Publication Date:
May 24, 2018
Filing Date:
September 26, 2017
Export Citation:
Assignee:
GUANGZHOU SHIYUAN ELECTRONICS CO LTD (CN)
GUANGZHOU SHIRUI ELECTRONICS CO LTD (CN)
GUANGZHOU SHIRUI ELECTRONICS CO LTD (CN)
International Classes:
G06F3/0488; G06T11/80
Foreign References:
| CN105183238A | 2015-12-23 | |||
| CN104484121A | 2015-04-01 | |||
| CN106610783A | 2017-05-03 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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