CN209913943U - Multifunctional three-band digital television - Google Patents

Abstract

The utility model discloses a multi-functional three wave band digital television, a serial communication port, this digital television is including the antenna that is used for receiving ground wave aerial signal and satellite television signal, the tuning module who is used for analytic ISDB-T, ISDB-BS and ISDB-CS signal, the demodulation circuit who is used for controlling tuning module and demodulation tuning module signal, be used for decoding and control demodulation circuit work and handle the decoder of charging information, be used for showing digital signal's display module, be used for connecting the charge connecting seat of toll collector and be used for the power module of complete machine power supply, the antenna is connected with tuning module, tuning module and demodulation circuit connection and communication, the decoder is connected and communicates with demodulation circuit, display module and charge connecting seat respectively. The utility model discloses collect charge, cell-phone with screen, USB's play function in an organic whole such as video, music, picture.

Description

Multifunctional three-band digital television

[ technical field ] A method for producing a semiconductor device

The utility model relates to a digital television field especially relates to a collect charge, cell-phone with screen function in hospital of an organic whole with multi-functional three wave band digital television.

[ background of the invention ]

The Japanese digital television has three bands of ISDB-T, ISDB-BS and ISDB-CS. The ISDB-T is a standard of terrestrial digital television, and can transmit one or more sets of programs including video (continuous image and accompanying sound), audio, general data and other services within a bandwidth of 6M. The BS/CS refers to two frequency bands of a Ku band of a satellite, and both the Ku band and the direct broadcasting satellite adopt Ku frequency bands to transmit programs, and the Ku band is divided into a high band and a low band due to the fact that the bandwidth of the Ku band is as high as 2G bandwidth (10.7-12.7 GHz). At ordinary times, the frequency band of 11.7-12.7 GHz is the most commonly used frequency band. Usually, the 1G bandwidth is further subdivided into two parts, namely 11.7-12.2 GHz and 12.2-12.7 GHz, the bandwidth of each frequency band is 500MHz, the former is called BS, and the latter is called CS.

Currently, the three-band digital television in japan is mainly used in households, has a single function, and only realizes the function of television playing. Hospitals, as a special occasion, also have a pressing need for digital television. However, the existing digital televisions for hospitals are not high in popularity, and mainly have the defect that the profit demands of hospitals and the entertainment demands of patients cannot be met simultaneously. In addition, the conventional digital television has the problems of single function, poor image quality and the like.

[ summary of the invention ]

The utility model provides a collect charge, cell-phone with screen function in hospital of an organic whole with multi-functional three wave band digital television to prior art not enough.

In order to achieve the above object, the present invention provides a multifunctional three-band digital tv, which is characterized in that the digital tv comprises an antenna for receiving ground wave aerial signals and satellite tv signals, a tuning module for analyzing ISDB-T, ISDB-BS and ISDB-CS signals, a demodulation circuit for controlling the tuning module and demodulating the tuning module signals, a decoder for decoding and controlling the demodulation circuit to work and processing charging information, a display module for displaying video signals, a charging connection base for connecting a charging machine, and a power supply module for supplying power to the whole tv, wherein the antenna is connected with the tuning module, the tuning module is connected with the demodulation circuit and communicates, and the decoder is connected with the demodulation circuit, the display module and the charging connection base and communicates.

The digital television comprises a same-screen circuit, and the same-screen circuit is respectively connected with and communicates with a decoder and a display module.

The tuning module comprises an ISDB-T tuning chip and an ISDB-BS/CS tuning chip, wherein the ISDB-T tuning chip is a chip with a model number of MAX661, and the ISDB-BS/CS tuning chip is a chip with a model number of AV 2018.

The display module comprises a screen driving circuit, a remote control receiving head, a display screen and an HDMI input port, wherein the remote control receiving head, the display screen and the HDMI input port are respectively connected with the screen driving circuit, and the screen driving circuit is connected with the decoder through a serial port and is in communication with the decoder.

The toll collector connecting seat is connected with the decoder through a serial port and communicates.

The demodulation circuit is connected to and communicates with the tuning module and the decoder through I2C, respectively.

The digital television is provided with a loudspeaker and an earphone seat, and the loudspeaker and the earphone seat are connected with a decoder through a power amplifier circuit.

The digital television is provided with a FLASH memory and a synchronous dynamic random access memory, wherein the FLASH memory and the synchronous dynamic random access memory are respectively connected with a decoder.

The digital television is provided with a key board, and the key board is connected with a decoder.

The digital television is provided with a USB interface, and the USB interface is connected with a decoder.

The utility model has the advantages that: the utility model discloses a decoder is equipped with the charging function, and after it inserted the charging machine, the user can watch the TV program after paying, can satisfy the demand of patient's amusement, can realize the requirement of hospital's profit again. On the other hand, the utility model discloses be equipped with the screen circuit, can let hospital's patient with the cell-phone with on the screen arrives the TV, realize the large-size screen and watch functions such as film and family's video conversation. Furthermore, the utility model discloses still have USB's broadcast function such as video, music, picture, can enrich user's amusement life. The display screen adopts the high score EDP screen, promotes the picture quality, improves user's impression.

[ description of the drawings ]

Fig. 1 is a schematic block diagram of the present invention.

[ detailed description ] embodiments

The following examples are further to explain and supplement the present invention, and do not constitute any limitation to the present invention.

As shown in fig. 1, the multifunctional three-band digital tv of the present invention includes an antenna 10, a tuner module 20, a demodulator circuit 30, a decoder 40, a display module 50, a toll connection socket 60, a co-screen circuit 70, a keypad 100, a power supply module 110, and a USB interface 120. This multi-functional three wave band digital television includes ISDB-T, ISDB-BS and the three wave band of ISDB-CS, and this digital television collects play function in an organic whole such as video, music, picture of charge, cell-phone with the screen, USB, can be used to the sick bed of hospital, certainly, the utility model discloses a multi-functional three wave band digital television's application place is not restricted to the hospital, still can be applied to other places, like occasions such as distant coach, public market, bookstore.

As shown in fig. 1, the antenna 10 is used for receiving a ground wave air signal and a satellite television signal, and the antenna 10 of the present embodiment includes a ground wave antenna for receiving a ground wave air signal and a satellite antenna for receiving a satellite television signal. A tuning module 20 is connected to the antenna 10 for analyzing the ISDB-T, ISDB-BS and ISDB-CS signals, the tuning module 20 comprising an impedance matching circuit, a band pass circuit, an ISDB-T tuning chip and an ISDB-BS/CS tuning chip. After receiving a ground wave aerial signal, the ground wave antenna sends the ground wave aerial signal to an ISDB-T tuning chip through an impedance matching circuit and a band-pass circuit to solve an intermediate frequency IF signal; after receiving satellite television signals, the satellite antenna sends the satellite television signals to the ISDB-BS/CS tuning chip through the impedance matching circuit and the band-pass circuit, and I/Q signals are decoded. In this embodiment, the ISDB-T tuner chip is a chip with a model of MAX661, and the ISDB-BS/CS tuner chip is a chip with a model of AV 2018. The demodulation circuit 30 is connected to and communicates with the tuner module 20, and is configured to control the tuner module 20 and demodulate a signal transmitted from the tuner module 20. Specifically, the demodulation circuit 30 communicates with the tuner module 20 through I2C, and controls operations such as locking frequency points of the ISDB-T tuner chip and the ISDB-BS/CS tuner chip of the tuner module 20. In the present embodiment, the demodulation circuit 30 employs a loose demodulation chip that demodulates the IF signal of ISDB-T and the I/Q signal of ISDB-BS/CS into a serial TS data stream and transmits the TS data stream to the decoder 40. The decoder 40 is connected to and communicates with the demodulation circuit 30, and is used for decoding and controlling the operation of the demodulation circuit 30 and processing the charging information. Specifically, the decoder 40 communicates with the demodulation circuit 30 via I2C, and controls the demodulation circuit 30 to perform demodulation operation, operation of switching between ISDB-T and ISDB-BS/CS standards, receive TS data stream transmitted from the demodulation circuit 30, perform operations such as table decoding on the TS data stream, decode the TS data stream, and transmit the decoded HDMI digital signal to the display module 50. In addition, a charging level is preset in the decoder 40, the preset charging level is transmitted to a charging machine (not shown in the figure), the charging machine performs timing fee deduction, the charging machine transmits a check code to the decoder 40 when the fee is normally deducted, the decoder 40 performs video playing after recognizing the check code, and otherwise, a charging prompt is displayed. Specifically, the decoder 40 may set a manager mode, which the manager may enter by way of authorization and preset a charge level for each function of every program and television as needed. In this embodiment, the administrator can enter the administrator mode through the password, and set the charging level for each function of each program and television, thereby realizing the demand for profit. A display module 50 is coupled to and in communication with the decoder 40 for displaying the video signal. This display module 50 drives circuit 51 and drives the remote control receiving head 52 that circuit 51 is connected with the screen respectively including the screen, display screen 53 and HDMI input port 54, wherein, screen drives circuit 51 and is connected and communicates through serial ports and decoder 40, HDMI video signal after decoder 40 decodes sends and drives circuit 51 to the screen, screen drives circuit 51 and converts HDMI video signal into EDP digital signal and sends to display screen 53 and show, display screen 53 of this embodiment is 13.3 cun EDP screen, can promote the picture quality, improve user's impression. The remote control receiving head 52 transmits the recognized IR remote control signal to the screen driving circuit 51, and the screen driving circuit 51 communicates with the decoder 40 through the serial port to control the basic operation of the television. The HDMI input port 54 is capable of inputting and displaying an external device such as a DVD to a television. The toll collection connecting seat 60 is used for connecting a toll collector, and the toll collection connecting seat 60 is in two-way communication with the decoding chip 8 through a serial port so as to realize that a user pays through the toll collector. The on-screen circuit 70 is connected to and communicates with the decoder 40 and the display module 50, respectively. In this embodiment, the on-screen circuit 70 includes a signal processing chip and a WIFI receiving chip, where the signal processing chip is a small-core chip with a model RK 3036. Specifically, after receiving the audio and video signals sent by the mobile phone, the WIFI chip transmits the audio and video signals to the signal processing chip through the USB, and the signal processing chip solves the HDMI signals and transmits the signals to the screen driving circuit 51 for display. The on-screen circuit 70 communicates with the decoder 40 through a serial port to control switching of the video input channel of the screen drive circuit 51. The power amplifier circuit 83 is connected to the decoder 40, the speaker 81 and the earphone seat 82, respectively, and amplifies the analog audio decoded by the decoder 40 and outputs the amplified audio to the speaker 81 and the earphone seat 82. The Flash memory 91 is connected to the decoder 40, and stores the table decoded by the decoder 40, frequency point information, program information, user settings, and the like. The sdram 92 is connected to the decoder 40 and stores the digital tv signal decoded by the decoder 40. the keypad 100 is connected to the decoder 40 and controls the basic operation of the tv through keys. The power supply module 110 is used for supplying power to the whole machine, and a 12V power supply input by the adapter is stepped down into voltage values required by circuits of all parts of the system for supplying power after passing through the self-recovery fuse and the overvoltage protection circuit. The USB interface 120 is connected to the decoder 40, and transmits the read multimedia files such as audio, video, and pictures to the decoder 40 for decoding, and transmits the decoded HDMI video signal to the panel driver circuit 51, and the panel driver circuit 51 converts the received signal into an EDP digital signal to the display 53.

The utility model discloses a multi-functional three wave band digital television mainly is to one set of TV charging system of hospital development, and managers accessible password gets into manager's mode, sets up the charge level to each function of every program and TV, can satisfy the demand of patient's amusement, can realize the requirement of hospital's profit again. The utility model discloses a mobile phone is with the screen function, can let hospital patient with the mobile phone with the screen to the TV on, realize throwing the screen and watch functions such as film and family's video conversation. Through setting up USB interface 110, make it have USB's video, music, picture etc. play function, can enrich user's amusement life. In addition, the display screen adopts the high score EDP screen, promotes the picture quality, improves user's impression.

Although the present invention has been described in connection with the above embodiments, the scope of the present invention is not limited thereto, and modifications, replacements, and the like to the above members are all within the scope of the claims of the present invention without departing from the concept of the present invention.

Claims (10)

1. The multifunctional three-band digital television is characterized by comprising an antenna (10) for receiving ground wave aerial signals and satellite television signals, a tuning module (20) for analyzing ISDB-T, ISDB-BS and ISDB-CS signals, a demodulation circuit (30) for controlling the tuning module (20) and demodulating signals of the tuning module (20), a decoder (40) for decoding and controlling the demodulation circuit (30) to work and processing charging information, a display module (50) for displaying video signals, a charging connection seat (60) for connecting a charging machine and a power supply module (110) for supplying power to the whole television, wherein the antenna (10) is connected with the tuning module (20), the tuning module (20) is connected with and communicated with the demodulation circuit (30), and the decoder (40) is respectively connected with the demodulation circuit (30), The display module (50) is connected and communicated with the charging connecting seat (60).

2. The multifunctional three band digital television of claim 1, comprising an on-screen circuit (70), said on-screen circuit (70) being connected to and communicating with the decoder (40) and the display module (50), respectively.

3. The multifunctional tri-band digital television of claim 1, wherein the tuning module (20) comprises an impedance matching circuit, a band pass circuit, an ISDB-T tuning chip and an ISDB-BS/CS tuning chip, the ISDB-T tuning chip being a chip of type MAX661 and the ISDB-BS/CS tuning chip being a chip of type AV 2018.

4. The multifunctional three-band digital television set as claimed in claim 1, wherein the display module (50) comprises a screen driver circuit (51), and a remote control receiving head (52), a display screen (53) and an HDMI input port (54) which are respectively connected with the screen driver circuit (51), and the screen driver circuit (51) is connected with and communicates with the decoder (40) through a serial port.

5. The multifunctional tri-band digital television set according to claim 1, wherein the toll-connection socket (60) is connected to and communicates with the decoder (40) through a serial port.

6. The multifunctional tri-band digital television of claim 1, wherein the demodulation circuit (30) is connected to and communicates with the tuning module (20) and the decoder (40) through I2C, respectively.

7. The multifunctional triple-band digital television set according to claim 1, wherein the digital television set is provided with a speaker (81) and a headphone base (82), and the speaker (81) and the headphone base (82) are connected with the decoder (40) through a power amplifier circuit (83).

8. A multifunctional three-band digital television set according to claim 1, characterized in that it is provided with a FLASH memory (91) and a synchronous dynamic random access memory (92), said FLASH memory (91) and synchronous dynamic random access memory (92) being connected to the decoder (40), respectively.

9. The multifunctional tri-band digital television set as claimed in claim 1, wherein the digital television set is provided with a keypad (100), said keypad (100) being connected to the decoder (40).

10. Multifunctional triple band digital television according to claim 1, characterized in that it is provided with a USB interface (120), said USB interface (120) being connected to the decoder (40).