CN105992052A - Automatic updating satellite television signal distribution device - Google Patents
Automatic updating satellite television signal distribution device Download PDFInfo
- Publication number
- CN105992052A CN105992052A CN201610144010.1A CN201610144010A CN105992052A CN 105992052 A CN105992052 A CN 105992052A CN 201610144010 A CN201610144010 A CN 201610144010A CN 105992052 A CN105992052 A CN 105992052A
- Authority
- CN
- China
- Prior art keywords
- frequency
- satellite
- comparisons
- signal distributor
- processing unit
- 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
- 238000003860 storage Methods 0.000 claims abstract description 33
- 238000012545 processing Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000011664 signaling Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- H04N21/43—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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Details Of Television Systems (AREA)
Abstract
A satellite television signal distribution device comprises a storage unit, a satellite channel resetter, a tuning and demodulation device and a processing unit. The storage unit is used for storing a first frequency comparison table. The satellite channel resetter is used for receiving a plurality of satellite television broadcast signals and shifting the plurality of satellite television broadcast signals to a plurality of different transmission frequencies according to a first frequency comparison table so as to output a frequency shift signal, wherein the frequency shift signal comprises a second frequency comparison table. The tuning and demodulating device is used for capturing the frequency shift signal and tuning and demodulating a second frequency comparison table carried in the frequency shift signal. The processing unit is used for automatically updating the first frequency comparison table according to the second frequency comparison table.
Description
Technical field
The present invention is relevant a kind of satellite TV signal distributor, particularly a kind of single cable multi-user's automatically updating
Satellite TV signal distributor.
Background technology
Satellite television to be watched need to first be installed disc-shaped antenna and receive satellite-signal, then with lnb (Low-Noise
Block converter, LNB) and the satellite-signal switching device of single cable process satellite-signal after export to client.So
And, the satellite-signal switching device of single cable only for single user, for collective residence unit (multi-dwelling unit,
MDU), the residential environment of the such as multi-user such as apartment or mansion, then need the satellite TV signal distributor of multi-user.
Expiring or other factors based on satellite lease, the satellite frequency of the program that operator is provided may change.
The software of the satellite TV signal distributor of multi-user can be built into or the frequency table of comparisons is difficult to update.For example, if
Operator wants to change built-in data, it is necessary to sends maintenance personal to connect renewal to on-the-spot with computer, causes the gold safeguarded
Money and time cost increase.Or, can be instructed with special non-standard Diseqc by subscriber computer top box (set top box, STB)
Update built-in data.But, in multi-user system, the many authorities of having nothing in common with each other again of Set Top Box quantity, add Diseqc data
Transfer rate is low and time-consuming, user cannot normally watch TV and can not close power supply halfway when updating, and user behavior is difficult
With factors such as predictions, therefore, the satellite TV signal distributor of multi-user has perhaps in the renewal of software or the frequency table of comparisons
Many difficulties and restriction.
In sum, the bist data of satellite TV signal distributor of multi-user how is updated in a straightforward manner just
It is the target that current pole need to be made great efforts.
Content of the invention
The present invention provides a kind of satellite TV signal distributor automatically updating, and it is in satellite television broadcasting signal
Embedded more new data, tunes and demodulates more new data from dynamic renewal satellite television letter for satellite TV signal distributor
The bist data of number distributor, uses and simplifies more new procedures and perform to on-the-spot without relying on subscriber computer top box or maintenance personal
Update.
The satellite TV signal distributor automatically updating of one embodiment of the invention comprises one first storage element, one defends
Star channel resets device, a tuning and demodulating equipment and a processing unit.First storage element is in order to store a first frequency pair
According to table.Satellite channel resets device in order to receiving multiple satellite television broadcasting signal, and defends multiple according to the first frequency table of comparisons
Star television broadcasting signal is passed to different multiple transmission frequencies, and to export a frequency-shift signaling, wherein frequency-shift signaling is single by one
The satellite television receiver top box of one cable output extremely multiple users, and comprise a second frequency table of comparisons.Tuning and demodulation
Device is in order to capturing frequency-shift signaling, and tunes and the second frequency table of comparisons contained in demodulation frequency-shift signaling.Processing unit and tune
Humorous and demodulating equipment is electrically connected with, in order to automatically update the first frequency table of comparisons according to the second frequency table of comparisons.
Coordinate appended accompanying drawing elaborate via specific embodiment below, when being easier to understand the purpose of the present invention, skill
Art content, feature and the effect reached thereof.
Brief description
Fig. 1 is a block diagram, the satellite TV signal distributor automatically updating of display one embodiment of the invention.
Fig. 2 is a schematic diagram, the shift frequency result of display satellite television broadcasting signal.
Detailed description of the invention
Hereinafter will be described various embodiments of the present invention, and coordinate accompanying drawing illustratively.In addition to these describe in detail, this
Invention also can be performed in other embodiment widely, and the replacement easily of any described embodiment, modification, equivalence change are all wrapped
It containing within the scope of the invention, and is as the criterion with claims.In the description of specification, in order to make reader have the present invention relatively
Complete understanding, provides many specific detail；But, the present invention may be in the premise of clipped or whole specific detail
Under, still can implement.Moreover, it is well known that step or assembly be not described in details, with avoid to the present invention formed need not
The restriction wanted.In accompanying drawing, same or similar assembly will represent with same or like symbol.It is specifically intended that accompanying drawing is only
Signal is used, not the actual size of proxy component or quantity, and some details may not drawn completely, succinct in the hope of accompanying drawing.
Refer to Fig. 1, the satellite TV signal distributor 10 automatically updating of one embodiment of the invention comprises to defend
Star channel resets the 12nd, the tuning of device the 11st, one first storage element and demodulating equipment 13 and a processing unit 14.First stores list
Unit 12 is in order to store a first frequency table of comparisons.Satellite channel reset device 11 in order to receive multiple satellite television broadcasting signal BS,
And according to the first frequency table of comparisons being stored in the first storage element 12, multiple satellite television broadcasting signal BS are passed to difference
Multiple transmission frequencies, to export a frequency-shift signaling CSS.For example, refer to Fig. 2, satellite channel resets device 11 and is received
The multiple satellite television broadcasting signal BS arriving incoming frequency order be T11, T12, T13, T14 ..., T21, T22, T23,
T24…、T31、T32、T33、T34…、T41、T42、T43、T44….Reset after device 11 shift frequency is processed by again through satellite channel
Configuration, its output frequency order is subject to variation for example, T11, T21, T31, T41, T12, T22, T32, T42, T13, T23 ....Can
To be understood by, the transmission frequency after same program resets the shift frequency process of device 11 through satellite channel can be identical for phase XOR.
In an embodiment, satellite channel resets device 11 and the first storage element 12 electrically can connect each other via bus 16
Connecing, so, satellite channel resets the first frequency comparison that device 11 can be stored in the first storage element 12 via bus 16 access
Table.Frequency-shift signaling CSS is the satellite television receiver top by a single cable (such as coaxial cable) output to multiple users
Box 20.Additionally, frequency-shift signaling CSS also comprises a second frequency table of comparisons.It is understood that the second frequency table of comparisons can embed
In satellite television broadcasting signal BS, so, satellite TV signal distributor 10 can be via reception satellite television broadcasting signal
BS obtains the second frequency table of comparisons.In an embodiment, first and the second frequency table of comparisons comprise each satellite television broadcasting
One incoming frequency of signal BS and the transmission frequency resetting corresponding output after device 11 shift frequency through satellite channel.
Continue described above, and tuning and demodulating equipment 13 capture satellite channel and reset the frequency-shift signaling CSS that device 11 is exported,
And tune and demodulation frequency-shift signaling CSS, to obtain the second frequency table of comparisons therein and to export.Processing unit 14 and tuning and solution
Device 13 is adjusted to be electrically connected with.Processing unit 14 can update first according to tuning and demodulating equipment 13 the exported second frequency table of comparisons
The frequency table of comparisons.For example, processing unit 14 can be electrically connected with the first storage element 12 via bus 16, to update first
The frequency table of comparisons.In an embodiment, when not needing to update the first frequency table of comparisons, frequency-shift signaling CSS can be free of second
The frequency table of comparisons.When detecting frequency-shift signaling CSS and comprising the newer second frequency table of comparisons, processing unit 14 is i.e. with the second frequency
The rate table of comparisons updates the first frequency table of comparisons.Or, frequency-shift signaling CSS can comprise the second frequency table of comparisons regularly, and locates
Reason unit 14 periodically the comparison first frequency table of comparisons and the second frequency table of comparisons.If the two has difference, processing unit 14
I.e. update the first frequency table of comparisons with the second frequency table of comparisons.In an embodiment, frequency-shift signaling CSS also can comprise second frequency
One start context of the table of comparisons.So, processing unit 14 can the start context of the comparison second frequency table of comparisons whether compared with the first frequency
The start context of the rate table of comparisons is new, if so, i.e. updates the first frequency table of comparisons with the second frequency table of comparisons.
In an embodiment, frequency-shift signaling CSS further includes an enabling time of the second frequency table of comparisons.Processing unit 14 is
Can determine when update the first frequency table of comparisons according to enabling time, that is enable the second frequency table of comparisons.So, via setting
Fixed suitable enabling time, processing unit 14 has collects the complete second frequency table of comparisons compared with plenty of time.And multiple not
The second frequency table of comparisons can be enabled with the satellite TV signal distributor 10 of cell simultaneously, multiple user can be received unanimously
Programme content.
Referring again to Fig. 1, in an embodiment, the satellite TV signal distributor 10 of the present invention further includes one second storage
Memory cell 15, it is electrically connected with processing unit 14.For example, the second storage element 15 can be via bus 16 and processing unit
14 are electrically connected with.Owing to processing unit 14 possibly cannot once obtain the complete second frequency table of comparisons, therefore, processing unit 14
The second storage element 15 can be first stored in when collecting the part second frequency table of comparisons.Wait to collect complete second frequency comparison
During table, then update the first frequency table of comparisons with the second frequency table of comparisons.But it is not limited to this, in an embodiment, processing unit 14
When only receiving the partly newer second frequency table of comparisons, also can partly update the first frequency table of comparisons.
Unsuccessfully cause the damage first frequency table of comparisons in order to avoid updating, and cause satellite TV signal distributor 10 nothing
Method normal operation, in an embodiment, the first storage element 12 that satellite channel replacement device 11 is connected can be cut into two storages
Deposit block, to store two parts of first frequency tables of comparisons and software respectively.When processing unit 14 is multiple by the second frequency table of comparisons
System stores block to one of them of the first storage assembly 12, and another storage block of the first storage assembly 12 may continue to keep
Satellite channel resets the normal operation of device 11, without affecting satellite channel reset device 11 because another stores the renewal of block
Ongoing shift frequency works.One of them the storage block being updated to the first storage assembly at the second storage assembly completes it
After, satellite channel resets device 11 can change the frequency table of comparisons execution shift frequency updating in storage block with the first storage assembly 12
Action.
In an embodiment, the first storage element 12 and the second storage element 15 can be different physical storage assemblies.
Or, the first storage element 12 and the second storage element 15 also can store block for the different of same storage assembly, so may be used
Reduce complexity and the spare part quantity of circuit design.
The person of should be noted, described above only updates the built-in frequency table of comparisons of satellite TV signal distributor 10.But do not limit
In this, the built-in software of satellite TV signal distributor 10 also can be updated in the above described manner.For example, shift frequency letter
Number CSS can comprise a renewal software, and tuning and demodulating equipment 13 demodulate renewal software from frequency-shift signaling CSS, and processing unit is
One built-in software of the more latest software update satellite TV signal distributor 10 that can demodulate according to tuning and demodulating equipment 13.
Summary, the satellite TV signal distributor automatically updating of the present invention is in satellite television broadcasting signal
Embedded more new data, and at satellite TV signal distributor, one tuning and demodulating equipment are set to tune and to demodulate shift frequency letter
More new data in number, i.e. the frequency table of comparisons and/or software.So, the satellite TV signal distributor of the present invention can depend on
It according to updating the built-in frequency table of comparisons of automatically updating data and/or software, is not necessarily to rely on subscriber computer top to simplify more new procedures
Box or maintenance personal perform renewal to on-the-spot.
Embodiment described above is only for the technological thought of the present invention and feature are described, its purpose makes to be familiar with this skill
The personage of skill will appreciate that present disclosure and implements according to this, when can not with the scope of the claims of the restriction present invention, i.e. generally
The impartial change made according to disclosed spirit or modification, must cover in the scope of the claims of the present invention.
Symbol description:
10 satellite TV signal distributors
11 satellite channels reset device
12 first storage elements
13 tunings and demodulating equipment
14 processing units
15 second storage elements
16 buses
20 satellite television receiver top boxs
BS satellite television broadcasting signal
CSS frequency-shift signaling
T11～T44 frequency
Claims (7)
1. the satellite TV signal distributor that a kind automatically updates, it is characterised in that comprise:
One first storage element, it is in order to store a first frequency table of comparisons；
One satellite channel resets device, and it is in order to receiving multiple satellite television broadcasting signal, and will according to this first frequency table of comparisons
The plurality of satellite television broadcasting signal is passed to different multiple transmission frequencies, to export a frequency-shift signaling, and wherein this shift frequency letter
Number by a single cable output to the satellite television receiver top box of multiple users, and this frequency-shift signaling comprises a second frequency
The table of comparisons；
One tuning and demodulating equipment, it is in order to capturing this frequency-shift signaling, and tunes and demodulate in this frequency-shift signaling contained this
The two frequency tables of comparisons；And
One processing unit, it is electrically connected with this tuning and demodulating equipment, in order to automatically update according to this second frequency table of comparisons
This first frequency table of comparisons.
2. the satellite TV signal distributor automatically updating as claimed in claim 1, it is characterised in that this first frequency pair
The incoming frequency that comprises this satellite television broadcasting signal each according to table and reset after device shift frequency corresponding through this satellite channel
This transmission frequency of output.
3. the satellite TV signal distributor automatically updating as claimed in claim 1, it is characterised in that this frequency-shift signaling is more
Comprise a start context of this second frequency table of comparisons, and according to this start context, this processing unit judges that this first frequency compares
Table is the need of renewal.
4. the satellite TV signal distributor automatically updating as claimed in claim 1, it is characterised in that this frequency-shift signaling is more
Comprise an enabling time of this second frequency table of comparisons.
5. the satellite TV signal distributor automatically updating as claimed in claim 1, it is characterised in that further include:
One second storage element, it is electrically connected with this processing unit, in order to store this second frequency table of comparisons at least part of.
6. the satellite TV signal distributor automatically updating as claimed in claim 5, it is characterised in that this processing unit is deposited
Take this second storage element, to complete to update this first frequency table of comparisons.
7. the satellite TV signal distributor automatically updating as claimed in claim 1, it is characterised in that this frequency-shift signaling is more
Comprise a renewal software, and built-in soft according to this this satellite TV signal distributor of more latest software update of this processing unit
Part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104108274 | 2015-03-16 | ||
| TW104108274A TWI568209B (en) | 2015-03-16 | 2015-03-16 | Satellite television signal distribution device with automatic update |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105992052A true CN105992052A (en) | 2016-10-05 |
| CN105992052B CN105992052B (en) | 2019-01-22 |
Family
ID=57044164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610144010.1A Active CN105992052B (en) | 2015-03-16 | 2016-03-14 | Automatic updating satellite television signal distribution device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105992052B (en) |
| TW (1) | TWI568209B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106713820A (en) * | 2016-11-29 | 2017-05-24 | 苏州科达特种视讯有限公司 | Method and device for switching broadcast frequency of satellite video conference |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557508A (en) * | 2008-04-11 | 2009-10-14 | 台扬科技股份有限公司 | Method of channel distribution and low-noise frequency demultiplier |
| US20140226076A1 (en) * | 2013-02-13 | 2014-08-14 | Samsung Electronics Co., Ltd. | Digital broadcast receiver and method of updating channel information |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1953520A (en) * | 2005-10-21 | 2007-04-25 | 神基科技股份有限公司 | Radio receiving system and radio signal search method |
| CN100518255C (en) * | 2006-04-11 | 2009-07-22 | 佳世达科技股份有限公司 | Channel conversion method, system and storage media |
-
2015
- 2015-03-16 TW TW104108274A patent/TWI568209B/en active
-
2016
- 2016-03-14 CN CN201610144010.1A patent/CN105992052B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557508A (en) * | 2008-04-11 | 2009-10-14 | 台扬科技股份有限公司 | Method of channel distribution and low-noise frequency demultiplier |
| US20140226076A1 (en) * | 2013-02-13 | 2014-08-14 | Samsung Electronics Co., Ltd. | Digital broadcast receiver and method of updating channel information |
| CN104038794A (en) * | 2013-02-13 | 2014-09-10 | 三星电子株式会社 | Digital broadcast receiver and method of updating channel information |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106713820A (en) * | 2016-11-29 | 2017-05-24 | 苏州科达特种视讯有限公司 | Method and device for switching broadcast frequency of satellite video conference |
| CN106713820B (en) * | 2016-11-29 | 2020-02-07 | 苏州科达特种视讯有限公司 | Broadcast frequency switching method and device for satellite video conference |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI568209B (en) | 2017-01-21 |
| TW201635737A (en) | 2016-10-01 |
| CN105992052B (en) | 2019-01-22 |
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