# US 11,298,603 B2 · Tennis training device and tennis training system

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- Number: US 11,298,603 B2
- Document ID: US11298603B2
- Status: Granted
- Kind: B2
- Application number: 16/812,367
- Filed: 2020-03-09
- Published: 2021-08-05
- Granted: 2022-04-12
- Earliest claimed: 2020-02-03
- Applicants: Shenzhen Eaststar Electronic Technology Co., Ltd.
- Inventors: Yige Wang; Xuezhen Wang
- Web page: https://patentgrep.com/patent/US11298603B2

## CPC

- A63B 69/38: for tennis {(A63B61/006, A63B69/0073 and A63B69/0097 take precedence)}
- A63B 71/0605: {Decision makers and devices using detection means facilitating arbitration}
- A63B 71/0622: {Visual, audio or audio-visual systems for entertaining, instructing or motivating the user}
- A63B 2071/0625: {Emitting sound, noise or music}
- A63B 2071/063: {Spoken or verbal instructions}
- A63B 2210/50: Size reducing arrangements for stowing or transport
- A63B 2220/806: Video cameras
- A63B 2225/09: Adjustable dimensions
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

A tennis training device used for tennis training with a tennis trainer, including a batting component, a rebounding net component which can be separated, a controller, a microphone and an LED lamp which are connected with the controller. The batting component includes an adjustable bracket group and a batting cloth connected to the bracket group. An upper end of the batting cloth is provided with a ball receiving barrel and a ball guiding tube connected with the ball receiving barrel. Protecting nets are arranged on both sides of the batting cloth. The rebounding net component includes a supporting rod and a rebounding net plate movably arranged on the supporting rod. A tennis training system conducting training information interaction with the tennis trainer through the above tennis training device, which is connected with an application program on a mobile device.

## Claims

### Claim 1

A tennis training device used for tennis training with a tennis trainer, comprising a batting component and a rebounding net component which can be separated, wherein the batting component comprises an adjustable bracket group; the bracket group comprises an installing bracket; the installing bracket is connected with a batting cloth; an upper end of the batting cloth is provided with a ball receiving barrel and a ball guiding tube connected with the ball receiving barrel; protecting nets are arranged on both sides of the batting cloth; the rebounding net component comprises a supporting rod and a rebounding net plate movably arranged on the supporting rod; the tennis training device further comprises a controller, and a microphone and an LED lamp which are connected with the controller; and when the tennis trainer is training, the microphone and the LED lamp provide sound and light to increase the training interest of the tennis trainer.

### Claim 2 (depends on 1)

The tennis training device according to claim 1, wherein the bracket group comprises a bottom contraction frame arranged in parallel to a horizontal plane, and a first vertical telescopic frame and a second vertical telescopic frame which are respectively arranged perpendicularly to the bottom contraction frame; and the first vertical telescopic frame and the second vertical telescopic frame are detachably connected with the bottom contraction frame.

### Claim 3 (depends on 2)

The tennis training device according to claim 2, wherein a plurality of telescopic nodes can be arranged on the first vertical telescopic frame and the second vertical telescopic frame; and the diameters of the first vertical telescopic frame and the second vertical telescopic frame are gradually decreased, so that the telescopic frame at each telescopic node can be accommodated in the telescopic node below the telescopic frame.

### Claim 4 (depends on 3)

The tennis training device according to claim 3, wherein the first vertical telescopic frame comprises a first telescopic node; the first vertical telescopic frame is divided into a first segment and a second segment by the first telescopic node; and the diameter of the second segment is smaller than the diameter of the first segment.

### Claim 5 (depends on 3)

The tennis training device according to claim 3, wherein the second vertical telescopic frame comprises a first telescopic node and a second telescopic node; the second vertical telescopic frame is divided into a first segment, a second segment and a third segment by the first telescopic node and the second telescopic node; the diameter of the third segment is smaller than the diameter of the second segment; and the diameter of the second segment is smaller than the diameter of the first segment.

### Claim 6 (depends on 3)

The tennis training device according to claim 3, wherein the bracket group further comprises an installing bracket for connecting the other ends of the first vertical telescopic frame and the second vertical telescopic frame; the batting cloth is arranged on the installing bracket; and the installing bracket is rotatably connected with end parts of the first vertical telescopic frame and the second vertical telescopic frame.

### Claim 7 (depends on 1)

The tennis training device according to claim 1, wherein the bracket group comprises a bottom contraction frame arranged in parallel to a horizontal plane, and a first vertical telescopic frame and a second vertical telescopic frame which are respectively arranged perpendicularly to the bottom contraction frame; and the first vertical telescopic frame and the second vertical telescopic frame are connected with the bottom contraction frame in a folding mode.

### Claim 8 (depends on 1)

The tennis training device according to claim 1, wherein the batting cloth is a batting cloth with an LED light emitting function; and when a tennis ball returns to the batting cloth, the position in which the tennis ball hits the batting cloth shines to inform the tennis trainer of the hitting position of the tennis ball.

### Claim 9 (depends on 1)

The tennis training device according to claim 1, wherein the tennis training device comprises a controller and a display screen; the display screen is arranged on the ball receiving barrel and connected to the controller; the tennis training device further comprises a camera connected with the controller; and the camera is used to record a batting route, a batting mode and a batting position of the tennis trainer.

### Claim 10 (depends on 1)

A tennis training system which conducts training information interaction with the tennis trainer through the tennis training device of claim 1, wherein the controller collects motion information through a sensor on the tennis training device and transmits the motion information to a mobile device; application software is installed on the mobile device; the application software comprises a holographic image module, a report evaluation module and a training mode selection module; the holographic image module is used to display the whole-process training actions of the tennis trainer; the report evaluation module is used to query the training information; and the training mode selection module is used to add a tennis training mode.