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US 10,895,942 B2Granted
Writing display system, method and apparatus
AssigneesBeijing BOE Technology Development Co., Ltd., Boe Technology Group Co., Ltd.
InventorsWenbo Li, Zhihong Du
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Abstract
The present disclosure provides a writing display system, method and apparatus, wherein the writing display system comprises: an electromagnetic pen; an inductive plate configured to induce a moving trajectory of the electromagnetic pen on the inductive plate to acquire writing information; and a display terminal in communication with the inductive plate, configured to display the writing information.
Claims11
A writing display system comprising:
- an electromagnetic pen;
- an inductive plate configured to induct a moving trajectory of the electromagnetic pen on the inductive plate to acquire writing information;
- and
- a display terminal in communication with the inductive plate, configured to display the writing information,
- wherein the electromagnetic pen comprises a holding member and a writing member, wherein the writing member comprises a first inductive coil configured to generate a power supply current based on a first electromagnetic signal emitted by the inductive plate;
- and
- wherein the inductive plate comprises a core member, wherein the core member comprises:
- a second positioning coil configured to be switched by a switch in a manner of time division so as to emit the first electromagnetic signal to the first inductive coil at a first timing, receive a second electromagnetic signal emitted by the electromagnetic pen at a second timing, position the electromagnetic pen based on the second electromagnetic signal to acquire an inductive position of the electromagnetic pen, and
- a second controller connected to the second positioning coil, the second controller configured to control the second positioning coil to emit the first electromagnetic signal at the first timing and generate, based on the inductive position of the electromagnetic pen, the moving trajectory of the electromagnetic pen on the inductive plate to acquire the writing information.
6 more elements
A writing display method applied to an inductive plate, the writing display method comprising:
- emitting, by the inductive plate, a first electromagnetic signal to an electromagnetic pen, wherein the electromagnetic pen generates a power supply current based on the first electromagnetic signal and emits a second electromagnetic signal;
- receiving, by the inductive plate, the second electromagnetic signal emitted by the electromagnetic pen;
- positioning, by the inductive plate, the electromagnetic pen based on the second electromagnetic signal to acquire an inductive position of the electromagnetic pen;
- generating, by the inductive plate, based on the inductive position of the electromagnetic pen, a moving trajectory of the electromagnetic pen on the inductive plate to acquire writing information;
- and
- transmitting, by the inductive plate, the writing information to a display terminal,
- wherein the electromagnetic pen comprises a holding member and a writing member, wherein the writing member comprises a first inductive coil configured to generate the power supply current based on the first electromagnetic signal;
- and
- wherein the inductive plate comprises a core member, wherein the core member comprises:
- a second positioning coil configured to be switched by a switch in a manner of time division so as to emit the first electromagnetic signal to the first inductive coil at a first timing, receive the second electromagnetic signal emitted by the electromagnetic pen at a second timing, position the electromagnetic pen based on the second electromagnetic signal to acquire the inductive position of the electromagnetic pen, and
- a second controller connected to the second positioning coil, the second controller configured to control the second positioning coil to emit the first electromagnetic signal at the first timing and generate, based on the inductive position of the electromagnetic pen, the moving trajectory of the electromagnetic pen on the inductive plate to acquire the writing information.
8 more elements
A writing display apparatus comprising:
- an emitting circuit configured to emit a first electromagnetic signal to an electromagnetic pen, wherein the electromagnetic pen generates a power supply current based on the first electromagnetic signal and emits a second electromagnetic signal;
- a receiving circuit configured to receive the second electromagnetic signal emitted by the electromagnetic pen;
- a positioning circuit configured to position the electromagnetic pen based on the second electromagnetic signal to acquire an inductive position of the electromagnetic pen;
- a generating circuit configured to generate, based on the inductive position of the electromagnetic pen, a moving trajectory of the electromagnetic pen on an inductive plate to acquire writing information;
- and
- a transmitting circuit configured to transmit the writing information to a display terminal,
- wherein the electromagnetic pen comprises a holding member and a writing member, wherein the writing member comprises a first inductive coil configured to generate the power supply current based on the first electromagnetic signal, and
- wherein the inductive plate comprises a core member, wherein the core member comprises:
- a second positioning coil configured to be switched by a switch in a manner of time division so as to emit the first electromagnetic signal to the first inductive coil at a first timing, receive the second electromagnetic signal emitted by the electromagnetic pen at a second timing, position the electromagnetic pen based on the second electromagnetic signal to acquire the inductive position of the electromagnetic pen, and
- a second controller connected to the second positioning coil, the second controller configured to control the second positioning coil to emit the first electromagnetic signal at the first timing and generate, based on the inductive position of the electromagnetic pen, the moving trajectory of the electromagnetic pen on the inductive plate to acquire the writing information.
7 more elements
Dependencies are inferred from the claim text.