Title:
LOOSE-LEAF NOTEBOOK
Document Type and Number:
WIPO Patent Application WO/2020/047830
Kind Code:
A1
Abstract:
A loose-leaf notebook (10) comprises: a loose leaf bind ring (120) having a central hole (123), wherein the loose leaf bind ring (120) is inserted into an installation hole (111) of a loose leaf sheet (110) to bind the loose leaf sheet (110), such that the loose leaf sheet can be moved along the loose leaf bind ring (120) and turned over; a sheet-turning trigger assembly (200) provided at the loose leaf bind ring (120); and a controller electrically connected to the sheet-turning trigger assembly (200). Turning of the loose leaf sheet (110) triggers a change in a state of the sheet-turning trigger assembly (200). The controller acquires the change the state of the sheet-turning trigger assembly (200) and recognizes turning of the loose leaf sheet (110). The invention realizes a sheet-turning recognition function at low costs.
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Inventors:
CHEN ZHENWEI (CN)
YANG SONGLING (CN)
CHEN SONGYA (CN)
YANG FAN (CN)
YANG SONGLING (CN)
CHEN SONGYA (CN)
YANG FAN (CN)
Application Number:
PCT/CN2018/104581
Publication Date:
March 12, 2020
Filing Date:
September 07, 2018
Export Citation:
Assignee:
SHENZHEN ROYOLE TECHNOLOGIES CO LTD (CN)
International Classes:
B42D12/00; G01D5/252
Foreign References:
| CN208428831U | 2019-01-25 | |||
| CN204374451U | 2015-06-03 | |||
| CN1400521A | 2003-03-05 | |||
| CN107729092A | 2018-02-23 | |||
| CN204760008U | 2015-11-11 | |||
| US20150104237A1 | 2015-04-16 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF:
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