WO2019028582A1

WO2019028582A1 - Interactive digital television system

Info

Publication number: WO2019028582A1
Application number: PCT/CN2017/096151
Authority: WO
Inventors: 李超
Original assignee: 深圳市智晟达科技有限公司
Priority date: 2017-08-07
Filing date: 2017-08-07
Publication date: 2019-02-14

Abstract

The present invention is applicable to the field of digital television and provided thereby is an interactive digital television system, comprising a set-top box and a display connected to the set-top box; the set-top box comprises a processor, an operating circuit, a three-dimensional (3D) projector and a holographic projection screen; the processor is connected to the 3D projector and the operating circuit respectively, the 3D projector being used to project a key identification configured on the set-top box onto the holographic projection screen for display; the 3D projector comprises a first sensor module, used to inductively obtain movement information in the projection area; an information coding module is used to carry out coding processing on the movement information inductively obtained by the first sensor module, thereby forming an operation signal; a signal transmission module is used to send the operation signal to the processor; and the processor is used to drive the operation circuit to carry out a corresponding operation according to the operation signal. With the present invention, interaction is carried out with a digital television by means of projecting the key identification on the set-top box in 3D and inductively obtaining the operation signal of a user in the projection area, thus being highly intelligentized and extremely convenient for the user.

Description

An interactive digital television system

Technical field

The invention belongs to the field of digital television, and in particular relates to an interactive digital television system.

Background technique

Digital TV means that all the links from the studio to the transmission, transmission and reception are digital TV signals or all signal transmission to the system is passed by 0,1. A type of television in which a digital stream of digital strings is transmitted. Its signal loss is small and the receiving effect is good. The client device of the digital television system includes at least a set top box and a television set. The television set is connected to an external signal source device through a set top box, and the set top box is used to convert compressed digital signals from a cable cable, a satellite antenna, a broadband network, and terrestrial broadcasting into a television set. The data displayed. At present, the user's program selection is generally input through a remote controller matched with the set top box. If the remote controller is damaged, it can only be realized by triggering the button of the set top box, which is very troublesome and not intelligent enough.

technical problem

In order to overcome the above deficiencies of the prior art, an embodiment of the present invention provides an interactive digital television system, which performs 3D projection on a button identifier on a set top box, and inducts and acquires an operation signal of the user in the projection area to interact with the digital television. High, giving users great convenience.

Technical solution

The embodiment of the present invention is implemented as an interactive digital television system, including: a set top box and a display connected to the set top box; the set top box includes a processor, an operation circuit, a 3D projector, and a holographic projection screen; The camera is connected to the 3D projector and the operating circuit, wherein the 3D projector is configured to project a button identifier disposed on the set top box to the holographic projection screen for display; and the 3D projector includes: the first pass The sensing module is configured to inductively acquire motion information in the projection area; the information encoding module is configured to encode the motion information sensed by the first sensing module to form an operation signal; and a signal transmission module, configured to: The signal is sent to the processor, and the processor is configured to drive the operation circuit to perform a corresponding operation according to the operation signal sent by the signal transmission module.

Preferably, the first sensing module is an infrared sensor.

Preferably, the 3D projector projects a button logo set on the set top box onto the holographic projection screen to form a holographic projection channel.

Preferably, a second sensing module is disposed in the holographic projection channel, and when the second sensing module is triggered, an activation signal is generated, and the holographic projection screen is provided with a trigger module, and the trigger module is triggered when triggered. The trigger signal, the first sensing module disposed on the 3D projector outputs action information according to the received start signal and/or trigger signal.

Preferably, the holographic projection channel comprises a transmission track, the transmission track triggers the second sensing module, and the second sensing module and the trigger module are infrared sensors.

Preferably, the transmission track is provided with a third sensing module matched with a second sensing module in the holographic projection channel, and the third sensing module is an infrared sensor.

Preferably, the 3D projector further includes a gyroscope that collects three-dimensional angular velocity information and a gravity sensor that collects three-dimensional acceleration information.

Preferably, the 3D projector further includes an independent power supply module, and the independent power supply module is electrically connected to the first sensing module, the information encoding module, the information transmission module, the gyroscope and the gravity sensor, respectively.

Preferably, the independent power module is a lithium battery, a button battery or a charging power board.

Preferably, the independent power module is a real-time power source directly connected by a mains.

Beneficial effect

The interactive digital television system provided by the embodiment of the invention projects the button identifier on the set top box onto the holographic projection screen for display by the 3D projector, and senses the operation signal of the user in the projection area, and the processor acquires the operation according to the induction. The signal-driven operation circuit performs corresponding operations, thereby interacting with the digital television, and the intelligence is high, which brings great convenience to the user.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are Some embodiments of the present invention may also be used to obtain other drawings based on these drawings without departing from the art.

The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the invention.

1 is a schematic structural diagram of an interactive digital television system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a 3D projector provided by an embodiment of the present invention.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

As shown in FIG. 1 , in an embodiment of the present invention, an interactive digital television system 10 includes: a set top box 100 and a display 200 connected to the set top box; the set top box 100 includes a processor 110, operating circuits 120, and 3D. a projector 130 and a holographic projection screen 140; the processor 110 is respectively connected to the 3D projector 130 and the operation circuit 120, wherein the 3D projector 130 is used to project the button identifier set on the set top box 100 to the hologram Displaying on the projection screen 140; and the 3D projector 130 includes: a first sensing module 131 for sensing motion information in the projection area; and an information encoding module 132 for sensing the first sensing module 131 The acquired action information is encoded to form an operation signal; and the signal transmission module 133 is configured to send the operation signal to the processor; the processor 110 is configured to be driven according to the operation signal sent by the signal transmission module 133. The operation circuit performs corresponding operations, and the button logo on the set top box is projected onto the holographic projection screen through the 3D projector for display, and the user is sensed to operate in the projection area. As a signal, the processor drives the operation circuit to perform corresponding operations according to the operation signal obtained by the induction, thereby interacting with the digital television, and the intelligence is high, which brings great convenience to the user.

In this embodiment, the first sensing module 131 may be one of an infrared sensor or a smoke sensor or a combination thereof, and is not specifically limited.

In this embodiment, the 3D projector projects a button mark set on the set top box onto the holographic projection screen to form a holographic projection channel. And a second sensing module is disposed in the holographic projection channel. When the second sensing module is triggered, a start signal is sent. The holographic projection screen is provided with a trigger module, and when the trigger module is triggered, a trigger signal is sent. The first sensing module disposed on the 3D projector outputs action information according to the received start signal and/or the trigger signal, and encodes the motion information by the information encoding module to form an operation signal; The signal transmission module sends the operation signal to the processor, and the processor drives the operation circuit to perform a corresponding operation according to the operation signal sent by the signal transmission module, thereby interacting with the digital television, and the structure is simple and the operation is convenient.

In this embodiment, the second sensing module and the trigger module may be infrared sensors.

In this embodiment, the holographic projection channel includes a transfer track, the transfer track triggers the second sensing module; and the transfer track is provided with a third sensing module, and the holographic projection channel The second sensing module is matched. The third sensing module is an infrared sensor.

In this embodiment, as shown in FIG. 2, the 3D projector further includes a gyroscope 134 that collects three-dimensional angular velocity information and a gravity sensor 135 that collects three-dimensional acceleration information; and an independent power supply module 136, the independent power supply. The module 136 is electrically connected to the first sensing module 131, the information encoding module 132, the signal transmission module 133, the gyroscope 134, and the gravity sensor 135, respectively. The independent power module 136 can be a power source such as a lithium battery, a button battery, a charging power board, or the like, or can be a real-time power source directly connected by a commercial power.

The interactive digital television system provided by the above embodiments of the invention projects the button logo on the set top box onto the holographic projection screen for display by the 3D projector, and senses the operation signal of the user in the projection area, and the processor acquires the operation according to the sensing. The signal-driven operation circuit performs corresponding operations, thereby interacting with the digital television, and the intelligence is high, which brings great convenience to the user.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

An interactive digital television system, comprising: a set top box and a display connected to the set top box; the set top box comprising a processor, an operating circuit, a 3D projector and a holographic projection screen; the processor respectively The 3D projector is connected to the operating circuit, wherein the 3D projector is configured to project a button identifier disposed on the set top box to the holographic projection screen for display; and the 3D projector includes: a first sensing module, configured to: Inductively acquiring motion information in the projection area; the information encoding module is configured to encode the motion information sensed by the first sensing module to form an operation signal; and the signal transmission module is configured to send the operation signal to the processor The processor is configured to drive the operation circuit to perform a corresponding operation according to an operation signal sent by the signal transmission module.
The interactive digital television system of claim 1 wherein said first sensing module is an infrared sensor.
The interactive digital television system of claim 1 wherein said 3D projector projects a button logo provided on the set top box onto the holographic projection screen to form a holographic projection channel.
The interactive digital television system of claim 3, wherein the holographic projection channel is provided with a second sensing module, and when the second sensing module is triggered, an activation signal is generated, the holographic projection A trigger module is disposed on the screen, and when the trigger module is triggered, a trigger signal is sent, and the first sensing module disposed on the 3D projector outputs motion information according to the received start signal and/or the trigger signal.
The interactive digital television system of claim 4 wherein said holographic projection channel comprises a transport track, said transfer track operating said triggering said second sensing module, said second sensing module and The trigger module is an infrared sensor.
The interactive digital television system of claim 5, wherein the transport track is provided with a third sensing module that matches the second sensing module in the holographic projection channel, the The three sensing modules are infrared sensors.
The interactive digital television system of claim 1 wherein said 3D projector further comprises a gyroscope for acquiring three-dimensional angular velocity information and a gravity sensor for acquiring three-dimensional acceleration information.
The interactive digital television system according to claim 7, wherein the 3D projector further comprises an independent power supply module, wherein the independent power supply module and the first sensing module, the information encoding module, and the information respectively The transmission module, gyroscope and gravity sensor are electrically connected.
The interactive digital television system of claim 8 wherein said independent power module is a lithium battery, a button battery or a charging power board.
The interactive digital television system of claim 8 wherein said independent power module is a real-time power source directly connected to the utility.