US 2020/0050295 A1Published application

Automatic pencil type pointer

AssigneeShenzhen Pu Ying Innovation Technology Corp., Ltd.

InventorsChung-Wen HSU, Chung-Hsuan LI

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Abstract

An automatic pencil type pointer includes a housing, a first circuit unit, a lead propelling unit, and a first electromagnetic unit. The housing has a port and an accommodation space in communication with the port. The first circuit unit is disposed in the accommodation space. The lead propelling unit is disposed in the accommodation space and includes a lead storage tube, a tip sleeve, a graphite lead, and a lead propelling assembly. The tip sleeve is disposed at the port. The graphite lead is accommodated in the lead storage tube. The lead propelling assembly is capable of controlling the graphite lead to be output from the tip sleeve. The first electromagnetic unit includes a first magnet and a first coil. The first coil is wound around the first magnet and is electrically connected to the first circuit unit. The graphite lead passes through the first magnet.

Claims11

Dependent claims

An automatic pencil type pointer, comprising:

a housing, having a port and an accommodation space, wherein the port is in communication with the accommodation space;
a first circuit unit, disposed in the accommodation space;
a lead propelling unit, disposed in the accommodation space and comprising a lead storage tube, a tip sleeve, a graphite lead, and a lead propelling assembly, wherein the lead storage tube has an accommodation cavity, the tip sleeve is disposed at the port, the graphite lead is accommodated in the accommodation cavity, and the lead propelling assembly is disposed between the tip sleeve and the lead storage tube and is capable of controlling the graphite lead to be output from the tip sleeve;
and
a first electromagnetic unit, disposed in the accommodation space and comprising a first magnet and a first coil, wherein the first magnet has a penetrating first through hole, the first coil is wound around the first magnet and is electrically connected to the first circuit unit, and the graphite lead passes through the first through hole.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/373,038Filed 2 Apr 2019
Priority: CN 201810890247.37 Aug 2018
Published: 13 Feb 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

G06F 3/03545
With detection of two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D…
G06F 3/0346
Pointing devices displaced or positioned by the user , e.g. mice, trackballs, pens or joysticks; Accessories therefor: with detection of the…
G06F 3/041
Arrangements for converting the position or the displacement of a member into a coded form: digitisers, e.g. for touch screens or touch pads,…
G06F
Computing and data processing