CN110933477A - Cable television set top box and method for realizing bidirectional return service - Google Patents
Cable television set top box and method for realizing bidirectional return service Download PDFInfo
- Publication number
- CN110933477A CN110933477A CN201911295646.6A CN201911295646A CN110933477A CN 110933477 A CN110933477 A CN 110933477A CN 201911295646 A CN201911295646 A CN 201911295646A CN 110933477 A CN110933477 A CN 110933477A
- Authority
- CN
- China
- Prior art keywords
- top box
- radio frequency
- cable television
- cable
- bidirectional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
Abstract
The embodiment of the invention provides a cable television set top box and a method for realizing a bidirectional return service thereof, wherein the method comprises the following steps: the system comprises a set-top box terminal and a set-top box front end; the set top box terminal comprises a radio frequency emission chip; the set top box front end comprises gateway equipment; the radio frequency transmitting chip is used for receiving a return instruction of a bidirectional return service sent by the front end of the cable television, sending the return instruction to a server of the bidirectional return service through the gateway equipment, so that the server can obtain information of the bidirectional return service corresponding to the return instruction and send the information to the radio frequency transmitting chip through the gateway equipment; the radio frequency transmitting chip is used for sending the information to a cable television connected with the set top box terminal so that the cable television can execute the bidirectional return service according to the information. The embodiment of the invention simply improves the cable television set-top box and reduces the cost.
Description
Technical Field
The invention belongs to the technical field of cable television set-top boxes, and particularly relates to a cable television set-top box and a method for realizing a bidirectional return service.
Background
At present, the Cable television set top box realizes bidirectional network communication mainly through Internet network return, and specific implementation modes mainly include Cable Modem, HomePlug, HomePNA, Moca, frequency-reduction WiFi and the like, wherein the HomePlug scheme is most widely used at present.
The current cable television set top box can realize the functions of video on demand and internet surfing through the technology. However, the cable tv network needs to be modified, additional equipment is added, the overall cost is high, and the modification difficulty is high, as shown in table 1. In addition, the modification of the cable television network involves a plurality of operators, and the difficulty of account distribution and popularization exists.
To sum up, in order to implement the bidirectional backhaul service in the current cable tv set-top box, the cable tv network needs to be modified in the prior art, which is high in cost and difficult to modify.
Table 1 prior art network revamping to implement bidirectional backhaul services
Disclosure of Invention
In order to overcome the problems that the existing technology for realizing the bidirectional backhaul needs to modify a cable television network, has high cost and great modification difficulty or at least partially solves the problems, embodiments of the present invention provide a cable television set top box and a method for realizing the bidirectional backhaul service thereof.
According to a first aspect of the embodiments of the present invention, there is provided a cable television set-top box, comprising a set-top box terminal and a set-top box front end;
the set top box terminal comprises a radio frequency emission chip;
the set top box front end comprises gateway equipment;
the radio frequency transmitting chip is used for receiving a return instruction of a bidirectional return service sent by the front end of the cable television, sending the return instruction to a server of the bidirectional return service through the gateway equipment, so that the server can obtain information of the bidirectional return service corresponding to the return instruction and send the information to the radio frequency transmitting chip through the gateway equipment;
the radio frequency transmitting chip is used for sending the information to a cable television connected with the set top box terminal so that the cable television can execute the bidirectional return service according to the information.
Specifically, the radio frequency transmitting chip communicates with the gateway device through an idle frequency point in a cable television network to which the cable television is connected.
Specifically, the radio frequency transmitting chip communicates with the gateway device through an idle frequency point farthest from a frequency point range where a signal frequency point of the cable television is located.
Specifically, the radio frequency transmitting chip communicates with the gateway device through an idle frequency point in 110M-1G of the cable television network.
Specifically, the radio frequency transmitting chip communicates with the gateway device through a predefined communication protocol; wherein the communication protocol is customized according to the bidirectional backhaul service.
Specifically, the set-top box terminal further comprises a set-top box CPU;
the set top box CPU communicates with the radio frequency emission chip through a standard SPI bus;
an interrupt control is arranged between the set top box CPU and the radio frequency emission chip;
the interrupt control is used for synchronizing the timestamps of the set-top box terminal and the gateway equipment at intervals of preset duration
Specifically, a filter is arranged on the set-top box terminal;
the filter is used for filtering the signal of the return instruction transmitted by the radio frequency transmitting chip.
Specifically, the bidirectional return service includes video on demand and online payment.
Specifically, the radio frequency transmitting chip is a CMT 2300A.
According to a second aspect of the embodiments of the present invention, a method for implementing a bidirectional backhaul service based on the cable television set-top box is provided, including:
the method comprises the steps that a return instruction of a bidirectional return service sent by the front end of a cable television is received based on a radio frequency emission chip on a set top box terminal, and the return instruction is sent to a server of the bidirectional return service through a gateway device at the front end of the set top box;
acquiring information of a bidirectional backhaul service corresponding to the backhaul instruction based on the server, and sending the information to the radio frequency transmitting chip through the gateway device;
and sending the information to a cable television connected with the set top box terminal based on the radio frequency emission chip so that the cable television executes the bidirectional return service according to the information.
The embodiment of the invention provides a cable television set top box and a method for realizing a bidirectional return service thereof, the cable television set top box in the embodiment of the invention does not need to reform the existing cable television network, only needs to add a radio frequency emission chip at a set top box terminal and add a gateway device at the front end of the set top box, and can realize the bidirectional return service by using the existing cable television network, thereby greatly reducing the cost, simplifying the reformation of the cable television set top box and improving the experience of cable television users.
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 description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a cable tv bidirectional backhaul process in a cable tv set-top box according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for implementing a bidirectional backhaul service according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment of the invention, a cable television set-top box is provided, which comprises a set-top box terminal and a set-top box front end; the set top box terminal comprises a radio frequency emission chip; the set top box front end comprises gateway equipment;
in the embodiment, a radio frequency emission chip is added to a set-top box terminal of the existing cable television, and a gateway device is added to the front end of the set-top box. The radio frequency transmitting chip is communicated with the gateway equipment to realize one or more bidirectional return services, such as video on demand, online payment and the like. The radio frequency transmitting chip is arranged on a main board of the set-top box terminal.
The radio frequency transmitting chip can adopt CMT2300A, and the CMT2300A has higher cost performance, but the embodiment is not limited to the type. No extra network modification is needed, the emission level of the CM2300 is very high, communication data is transmitted in a channel through an FSK (Frequency Shift Keying) mode, the anti-interference performance of communication is very strong, and the reliability and the safety of communication are ensured. The cable television network can be realized by two stages of amplifiers without relays, so that most network applications can be satisfied.
The radio frequency transmitting chip is used for receiving a return instruction of a bidirectional return service sent by the front end of the cable television, sending the return instruction to a server of the bidirectional return service through the gateway equipment, so that the server can obtain information of the bidirectional return service corresponding to the return instruction and send the information to the radio frequency transmitting chip through the gateway equipment; the radio frequency transmitting chip is used for sending the information to a cable television connected with the set top box terminal so that the cable television can execute the bidirectional return service according to the information.
As shown in fig. 1, the front end of the cable tv sends the return instruction to the rf transmitting chip through the cable tv network. The radio frequency transmitting chip is communicated with the gateway equipment and sends the return instruction to the gateway equipment through the cable television network. The gateway device communicates with the server of the bidirectional return service through a standard ethernet interface, and sends the return instruction to a corresponding server, such as a server of the video-on-demand bidirectional return service and a server of the online payment service. The server retrieves information corresponding to the return instruction, such as a video stream required by the return instruction, and returns the retrieved information to the gateway device. The gateway equipment returns the information to the radio frequency transmitting chip through the cable television network, and the radio frequency transmitting chip sends the information to the cable television, so that the bidirectional return service is realized.
According to the embodiment, the existing cable television network is not required to be modified, only a radio frequency transmitting chip is required to be added to the set top box terminal, and a gateway device is added to the front end of the set top box, so that the existing cable television network can be used for realizing the bidirectional return service, the cost is greatly reduced, the modification of the cable television set top box is simple, and the experience of cable television users is improved.
On the basis of the above embodiment, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through an idle frequency point in a cable television network to which the cable television is connected.
Specifically, according to the actual cable television network environment accessed by the cable television, the embodiment selects the idle frequency points in the cable television network which are not used for communication between the radio frequency transmitting chip and the gateway device, so that the cable television network is fully utilized, the existing cable television network is not required to be modified, and the network modification cost of a cable television operator is saved.
On the basis of the above embodiment, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through the idle frequency point farthest from the frequency point range where the signal frequency point of the cable television is located.
Specifically, in order to ensure that the digital signal of the cable television is not interfered, the frequency point used for returning is not only an idle frequency point, but also a signal frequency point which needs to be far away from the cable television.
On the basis of the above embodiments, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through an idle frequency point in 110M-1G of the cable television network.
Specifically, in order to ensure that the transmission of the existing cable television digital signals is not affected, the frequency point returned by the bidirectional return service can be adjusted through adjusting software, and the returned frequency point range can be between 110M-1G.
The data volume of the returned bidirectional return service is small and can be adjusted to different frequency points, so that the line attenuation is very small in the embodiment, the transmission of other cable television digital signals in the cable television network is not influenced, and the user experience is good.
On the basis of the above embodiment, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through a predefined communication protocol; wherein the communication protocol is customized according to the bidirectional backhaul service.
Specifically, according to the needs of realizing the communication and data transmission of the bidirectional backhaul service, the related communication protocol is customized, the minimum communication data can be utilized, the use efficiency of the cable television network is improved, and the timeliness and reliability of data communication are ensured. Meanwhile, the transmitted data is encrypted in order to strengthen the security of communication. The communication protocol reserves an upper layer interface, and can perform various bidirectional backhaul services.
On the basis of the above embodiments, the set-top box terminal in this embodiment further includes a set-top box CPU; the set top box CPU communicates with the radio frequency emission chip through a standard SPI bus; an interrupt control is arranged between the set top box CPU and the radio frequency emission chip; and the interrupt control is used for synchronizing the timestamps of the set-top box terminal and the gateway equipment every other preset time.
In particular, one gateway device may communicate with a plurality of set-top terminals in order to save costs. In order to avoid data collision, a network transmission protocol is customized, the synchronization of the timestamps of the gateway equipment and the set top box terminal is ensured, and the problem of data transmission collision is solved.
The set-top box CPU (Central Processing Unit) communicates with a radio frequency chip such as CMT2300A through a standard SPI (serial peripheral Interface) bus, the highest speed can reach 2M, a low-speed return channel is provided for the set-top box terminal, and bidirectional interactive services such as network payment, television on demand, television shopping, television website browsing, interactive games and the like are realized. Considering that the data volume of the returned bidirectional returned service is not large, the stability and reliability of the SPI bus communication are ensured, and an SPI standard communication mode is adopted. In order to ensure the timestamp synchronization of the set-top box terminal and the gateway equipment, an interrupt control is arranged between the set-top box CPU and the radio frequency emission chip, and the timestamp synchronization of the set-top box CPU and the gateway equipment is ensured by using a timed interrupt mode.
On the basis of the above embodiments, in this embodiment, the set-top box terminal is provided with a filter; the filter is used for filtering the signal of the return instruction transmitted by the radio frequency transmitting chip.
Specifically, the filter on the set-top box terminal effectively inhibits the interference of the returned out-of-band harmonic on the analog and digital signals of the cable television, and ensures that the return does not influence the receiving effect of the cable television. The filter may be a 40db attenuating filter.
In another embodiment of the present invention, a method for implementing a bidirectional backhaul service based on the above embodiments of a cable set-top box is provided, and the method is implemented based on the cable set-top boxes in the foregoing embodiments. Thus, the descriptions and definitions in the embodiments of the cable set-top box described above may be used to understand the steps performed in the embodiments of the present invention. Fig. 2 is a schematic flow chart of a method for implementing a bidirectional backhaul service based on the cable set-top box according to an embodiment of the present invention, where the method includes:
s201, receiving a return instruction of a bidirectional return service sent by the front end of a cable television based on a radio frequency transmitting chip on a set top box terminal, and sending the return instruction to a server of the bidirectional return service through gateway equipment at the front end of the set top box;
in the embodiment, a radio frequency emission chip is added to a set-top box terminal of the existing cable television, and a gateway device is added to the front end of the set-top box. The radio frequency transmitting chip is communicated with the gateway equipment to realize one or more bidirectional return services, such as video on demand, online payment and the like. The radio frequency transmitting chip is arranged on a main board of the set-top box terminal.
The radio frequency transmitting chip can adopt CMT2300A, and the CMT2300A has higher cost performance, but the embodiment is not limited to the type. The CM2300 has high emission level without extra network modification, transmits communication data in a channel in an FSK mode, has strong anti-interference performance of communication, and ensures the reliability and safety of communication. The cable television network can be realized by two stages of amplifiers without relays, so that most network applications can be satisfied.
The front end of the cable television sends the return instruction to the radio frequency emission chip through the cable television network. The radio frequency transmitting chip is communicated with the gateway equipment and sends the return instruction to the gateway equipment through the cable television network. The gateway device communicates with the server of the bidirectional return service through a standard ethernet interface, and sends the return instruction to a corresponding server, such as a server of the video-on-demand bidirectional return service and a server of the online payment service.
S202, based on the server, obtaining information of the bidirectional backhaul service corresponding to the backhaul instruction, and sending the information to the radio frequency transmitting chip through the gateway device;
the server retrieves information corresponding to the return instruction, such as a video stream required by the return instruction, and returns the retrieved information to the gateway device. The gateway device returns the information to the radio frequency transmitting chip through the cable television network.
S203, the information is sent to the cable television connected with the set top box terminal based on the radio frequency transmitting chip, so that the cable television executes the bidirectional return service according to the information.
On the basis of the above embodiment, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through an idle frequency point in a cable television network to which the cable television is connected.
On the basis of the above embodiment, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through the idle frequency point farthest from the frequency point range where the signal frequency point of the cable television is located.
On the basis of the above embodiments, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through an idle frequency point in 110M-1G of the cable television network.
On the basis of the above embodiment, in this embodiment, the radio frequency transmitting chip communicates with the gateway device through a predefined communication protocol; wherein the communication protocol is customized according to the bidirectional backhaul service.
On the basis of the above embodiments, the set-top box terminal in this embodiment further includes a set-top box CPU; the set top box CPU communicates with the radio frequency emission chip through a standard SPI bus; an interrupt control is arranged between the set top box CPU and the radio frequency emission chip; correspondingly, the method further comprises the following steps: and synchronizing the timestamps of the set-top box terminal and the gateway equipment at intervals of preset time based on interrupt control.
On the basis of the above embodiments, the present embodiment further includes: and filtering the signal of the return instruction transmitted by the radio frequency transmitting chip based on a filter.
According to the embodiment, the existing cable television network is not required to be modified, only a radio frequency transmitting chip is required to be added to the set top box terminal, and a gateway device is added to the front end of the set top box, so that the existing cable television network can be used for realizing the bidirectional return service, the cost is greatly reduced, the modification of the cable television set top box is simple, and the experience of cable television users is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A cable television set-top box is characterized by comprising a set-top box terminal and a set-top box front end;
the set top box terminal comprises a radio frequency emission chip;
the set top box front end comprises gateway equipment;
the radio frequency transmitting chip is used for receiving a return instruction of a bidirectional return service sent by the front end of the cable television, sending the return instruction to a server of the bidirectional return service through the gateway equipment, so that the server can obtain information of the bidirectional return service corresponding to the return instruction and send the information to the radio frequency transmitting chip through the gateway equipment;
the radio frequency transmitting chip is used for sending the information to a cable television connected with the set top box terminal so that the cable television can execute the bidirectional return service according to the information.
2. The cable set-top box of claim 1, wherein the radio frequency emitting chip communicates with the gateway device via an idle frequency point in a cable network to which the cable television is connected.
3. The cable set-top box of claim 2, wherein the radio frequency transmitting chip communicates with the gateway device via an idle frequency point that is farthest from a frequency point range in which a signal frequency point of the cable set-top box is located.
4. The cable set-top box of claim 2, wherein the rf transmitting chip communicates with the gateway device via idle frequency points within 110M-1G of the cable network.
5. The cable set top box of claim 1, wherein the radio frequency transmitting chip communicates with the gateway device via a predefined communication protocol; wherein the communication protocol is customized according to the bidirectional backhaul service.
6. A cable TV set-top box according to any of claims 1-5, wherein the set-top terminal further comprises a set-top CPU;
the set top box CPU communicates with the radio frequency emission chip through a standard SPI bus;
an interrupt control is arranged between the set top box CPU and the radio frequency emission chip;
and the interrupt control is used for synchronizing the timestamps of the set-top box terminal and the gateway equipment every other preset time.
7. A cable TV set-top box according to any of claims 1-5, wherein a filter is provided on the set-top terminal;
the filter is used for filtering the signal of the return instruction transmitted by the radio frequency transmitting chip.
8. A cable TV set-top box according to any one of claims 1-5, wherein the bi-directional return service includes video-on-demand and online payment.
9. The cable set top box of any of claims 1-5, wherein the RF transmitting chip is a CMT 2300A.
10. A method for implementing a bi-directional backhaul service based on a cable set-top box according to any one of claims 1-9, comprising:
the method comprises the steps that a return instruction of a bidirectional return service sent by the front end of a cable television is received based on a radio frequency emission chip on a set top box terminal, and the return instruction is sent to a server of the bidirectional return service through a gateway device at the front end of the set top box;
acquiring information of a bidirectional backhaul service corresponding to the backhaul instruction based on the server, and sending the information to the radio frequency transmitting chip through the gateway device;
and sending the information to a cable television connected with the set top box terminal based on the radio frequency emission chip so that the cable television executes the bidirectional return service according to the information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295646.6A CN110933477B (en) | 2019-12-16 | 2019-12-16 | Cable television set top box and method for realizing bidirectional return service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295646.6A CN110933477B (en) | 2019-12-16 | 2019-12-16 | Cable television set top box and method for realizing bidirectional return service |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110933477A true CN110933477A (en) | 2020-03-27 |
| CN110933477B CN110933477B (en) | 2021-12-24 |
Family
ID=69863809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911295646.6A Active CN110933477B (en) | 2019-12-16 | 2019-12-16 | Cable television set top box and method for realizing bidirectional return service |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110933477B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730880A (en) * | 1993-07-09 | 1995-01-31 | Toshiba Corp | Catv converter |
| CN102006516A (en) * | 2010-10-18 | 2011-04-06 | 中山大学 | Digital household content service transmission method based on cable television two-way access |
| CN102209013A (en) * | 2011-05-25 | 2011-10-05 | 杭州蓝联科技有限公司 | Asymmetrical bidirectional transmission system for hybrid fiber coax (HFC) network |
| CN103065445A (en) * | 2012-12-10 | 2013-04-24 | 杭州讯久科技有限公司 | System and method of external interactive intercommunication based on radio-frequency technique |
| CN104363498A (en) * | 2014-10-30 | 2015-02-18 | 成都康特电子高新科技有限责任公司 | High-sensitivity interactive high-definition set-top box based on broadcasting gateway system |
| US20170214978A1 (en) * | 2010-04-15 | 2017-07-27 | Charter Communications Operating, Llc | Apparatus and method for increasing upstream capacity in a broadband communications system |
-
2019
- 2019-12-16 CN CN201911295646.6A patent/CN110933477B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730880A (en) * | 1993-07-09 | 1995-01-31 | Toshiba Corp | Catv converter |
| US20170214978A1 (en) * | 2010-04-15 | 2017-07-27 | Charter Communications Operating, Llc | Apparatus and method for increasing upstream capacity in a broadband communications system |
| CN102006516A (en) * | 2010-10-18 | 2011-04-06 | 中山大学 | Digital household content service transmission method based on cable television two-way access |
| CN102209013A (en) * | 2011-05-25 | 2011-10-05 | 杭州蓝联科技有限公司 | Asymmetrical bidirectional transmission system for hybrid fiber coax (HFC) network |
| CN103065445A (en) * | 2012-12-10 | 2013-04-24 | 杭州讯久科技有限公司 | System and method of external interactive intercommunication based on radio-frequency technique |
| CN104363498A (en) * | 2014-10-30 | 2015-02-18 | 成都康特电子高新科技有限责任公司 | High-sensitivity interactive high-definition set-top box based on broadcasting gateway system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110933477B (en) | 2021-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150113580A1 (en) | Convergence Terminal and Method for Providing Multi-Service by Convergence Terminal | |
| CN102387406B (en) | Program on-demand system and method based on one-way set top box | |
| CN101990123B (en) | Set top box device and method for realizing triple play function | |
| CN103037249A (en) | Integrated digital television and data communication method thereof | |
| CN110933477B (en) | Cable television set top box and method for realizing bidirectional return service | |
| CN201789599U (en) | Television capable of realizing wireless router | |
| CN102790709A (en) | Coaxial access network unit device with WIFI (wireless fidelity) | |
| CN102594690B (en) | Address borrowing method in multiple Ethernet/PPPoE (point-to-point protocol over Ethernet) network hybrid transmission channels | |
| CN204810464U (en) | Intelligence of taking 4G radio communication function fuses terminal | |
| CN202059522U (en) | Set-top box with home gateway function | |
| CN103686295A (en) | Method and system allowing set top box and mobile terminal to share Bluetooth function | |
| CN207117651U (en) | One kind fusion home gateway | |
| CN102546327A (en) | Intelligent home appliance service system | |
| US9356797B2 (en) | System and method for network deployment and management | |
| CN100353747C (en) | Set-top-box for bidirectional communication apparatus | |
| WO2018086581A1 (en) | Signal common-cable transmission method and system | |
| CN206977613U (en) | A kind of system of four-in-one set top box | |
| CN203027269U (en) | Multi-band combiner | |
| CN102684792B (en) | A kind of system of Signal transmissions | |
| CN107294821A (en) | Intelligent radio receive-transmit system | |
| CN211293664U (en) | Multi-service composite bus master controller and system | |
| CN106656687A (en) | Wireless access forwarding equipment | |
| WO2003073632A1 (en) | Wireless extension arrangement for a communications system | |
| CN201947291U (en) | IP (Internet Protocol) Ethernet user side concentrator based on coaxial cable transmission | |
| CN203167091U (en) | Telephone return-type modem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |