CN101083509A - Local information broadcast system, and broadcast device andbroadcast method thereof - Google Patents
Local information broadcast system, and broadcast device andbroadcast method thereof Download PDFInfo
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- CN101083509A CN101083509A CNA2007101087657A CN200710108765A CN101083509A CN 101083509 A CN101083509 A CN 101083509A CN A2007101087657 A CNA2007101087657 A CN A2007101087657A CN 200710108765 A CN200710108765 A CN 200710108765A CN 101083509 A CN101083509 A CN 101083509A
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- broadcasted content
- digital broadcasting
- broadcast
- service area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25841—Management of client data involving the geographical location of the client
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26266—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for determining content or additional data repetition rate, e.g. of a file in a DVB carousel according to its importance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17336—Handling of requests in head-ends
Abstract
To provide a local information broadcast system capable of easily broadcasting local information to an arbitrary area.In a local information broadcast system, a content distribution center 3 distributes broadcast contents of local information to broadcast devices 11-1n arranged in a service area via a master station 2. Each of the broadcast devices 11-1n receives the distributed contents by a communication unit 111, stores the contents in a storage unit 112, cyclically outputs the stored contents, converts the contents into broadcast signals in a transmission system of a digital broadcast, broadcasts the broadcast signals to the service area by a transmission unit 114, and provides a receiving terminal 4 capable of receiving digital broadcast in the service area of the local information.
Description
The cross reference of related application
The application is based on the No.2006-152779 of Japanese patent application formerly that submitted on May 31st, 2006 and require its priority, and its full content is hereby incorporated by.
Technical field
The present invention relates to a kind of broadcaster and broadcasting method of simply arbitrary region being broadcasted the local message broadcast system of local broadcasted content and being suitable for use in this system of being used for.
Background technology
In the past, proposed to have the scheme of following service, that is, utilized existing broadcast infrastructure,, for example, regional broadcasts such as incident meeting-place or merchant street were introduced the image/sound of incident or sold goods regional broadcast locally broadcast content arbitrarily.As an example, in TOHKEMY 2000-244383 communique, disclose following technology, promptly, utilize CDM (code division multiplex: Code Division Multiplex) in the broadcasting-satellite system of moving body, utilization is used for the satellite broadcasting ripple is sent to once more the retransmission unit of insensitive interval, can provide the locally broadcast material thereby transceiver needn't newly be set.This method that provides is that the retransmission unit that will send the satellite broadcasting ripple once more is configured in arbitrarily in the zone, sends the locally broadcast content to this retransmission unit, and this broadcasted content is broadcasted with CDM mode multiplexed ground on the satellite broadcasting ripple.But this method needs retransmission unit to have function with CDM mode multiplexed broadcasted content in the satellite broadcasting ripple.And this method is a prerequisite to send the satellite broadcasting ripple once more, and is not suitable for only broadcasting the situation of local broadcasted content.
Summary of the invention
The purpose of this invention is to provide a kind of local message broadcast system, broadcaster and the broadcasting method that can broadcast local message simply to arbitrary region.
Local message broadcast system of the present invention comprises: content distributing center, the broadcasted content of any local message of basic of distribution; Main website will send to service area arbitrarily from the broadcasted content that the foregoing distributing center distributes; Broadcaster, be configured in the above-mentioned service area arbitrarily and and be connected with above-mentioned main website through communication path, to be transformed into broadcast singal via the broadcasted content that above-mentioned main website distributes from the foregoing distributing center based on the digital broadcasting load mode of being used in the above-mentioned broadcast area, and to above-mentioned service area broadcasting; And receiving terminal, receive the broadcast singal that sends from broadcaster in the time of in entering into above-mentioned service area.Wherein, above-mentioned broadcaster comprises: Department of Communication Force receives the broadcasted content that distributes from the foregoing distributing center; Storage part, the broadcasted content that storage is received by above-mentioned Department of Communication Force; Efferent is periodically exported the broadcasted content that is stored in the above-mentioned storage part; And sending part, the broadcasted content of above-mentioned periodicity output is transformed into above-mentioned digital broadcasting load mode pre-assigned frequency broadcast singal and send.
Broadcaster of the present invention, be used to be configured in broadcasting based on the local message broadcast system in the service area of the broadcasted content of any local message, this broadcaster comprises: Department of Communication Force receives the above-mentioned broadcasted content based on local message that sends via communication path; Storage part, the broadcasted content that storage is received by above-mentioned Department of Communication Force; Efferent is periodically exported the broadcasted content that is stored in the above-mentioned storage part; And sending part, the broadcast singal that the broadcasted content that above-mentioned periodicity is exported is transformed into based on the digital broadcasting load mode of being used in the above-mentioned service area also sends.
Broadcasting method of the present invention is used to be configured in broadcasting based on the local message broadcast system in the service area of the broadcasted content of any local message, and this broadcasting method comprises: receive the above-mentioned broadcasted content according to local message that sends via communication path; Store the broadcasted content of above-mentioned reception; The broadcasted content of above-mentioned storage is periodically exported; And the broadcast singal that the broadcasted content that above-mentioned periodicity is exported is transformed into based on the digital broadcasting load mode of being used in the above-mentioned service area also sends.
Advantage of the present invention will be described in the following description, and will become by this explanation and understand or learn by enforcement of the present invention.Advantage of the present invention will realize by means and the combination of pointing out later thereof.
Description of drawings
The accompanying drawing that is combined in the specification and constitutes a specification part illustrates embodiments of the invention, and explains principle of the present invention with top generality explanation of doing and the following specific embodiment explanation of doing.
Fig. 1 is the block diagram of structure that expression possesses the local message broadcast system of broadcaster of the present invention.
Fig. 2 is the flow chart of the treatment step of the above-mentioned broadcaster of expression.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are elaborated.
Fig. 1 is the block diagram of structure that expression possesses the local message broadcast system of broadcaster of the present invention.
In Fig. 1, broadcaster 11～1n (n be natural number) arbitrarily for example is arranged in one or more service area shopping center in underground street or the building etc., that carry out locally broadcast, and the broadcasted content of being alloted is broadcasted to above-mentioned service area in the digital broadcasting mode of being used in the service area that is provided with.Broadcaster 11～the 1n that is provided with in each service area is connected with main website 2 through communication path A1～An respectively.
Above-mentioned main website 2 is connected with content distributing center 3 through communication path B, and communicating by letter between above-mentioned broadcaster 11～1n and the content distributing center 3 controlled, and for example the conveyer of wireless base station, feeding terminal station arrangement etc. is suitable with this main website 2.
Foregoing distributing center 3 is equivalent to the studio in broadcasting station, the control information that distributes the locally broadcast content and processing such as the editor of broadcaster 11～1n and transmission are controlled to broadcaster 11～1n through main website 2.And, receive the broadcasting monitor message that sends from broadcaster 11～1n through main website 2.
Above-mentioned broadcaster 11～1n is identical structure.Below, be that representative describes its structure with broadcaster 11.
This Edition Contains/storage part 112, the locally broadcast program of above-mentioned broadcasted content being compiled regulation based on editor's control information also stores successively.The broadcasted content that is stored in this Edition Contains/storage part 112 is periodically read and sends to dispensing device 114 by periodicity efferent 113.
As this dispensing device 114, use and the device that is used to broadcast that the area used of broadcaster 11 is being set, the received terrestrial digital broadcasting device that for example anti-multipath reflection or interference capability are stronger.Below, so that the situation of the dispensing device of using with received terrestrial digital broadcasting is an example, present embodiment is described.
(OFDM: OrthogonalFrequency Division Multiplex) modulator 114A will import content and distribute to predetermined carrier wave and carry out OFDM modulation above-mentioned dispensing device 114, and the ofdm modulation signal that obtains thus is transformed into the pre-assigned broadcasting frequency by frequency changer 114B by OFDM.Then, in power amplifier 114C, when the transmission ON/OFF control information indication from Department of Communication Force 111 sends unlatching, the ofdm modulation signal that is transformed into broadcasting frequency is carried out power amplification, and, be that the faintness wave of about 100 meters of radiuses sends from antenna 115 with for example overlay area as terrestrial digital broadcasting signal.The receiver that this electric wave can be used with received terrestrial digital broadcasting or receive and demodulation with receiving terminal 4 such as the corresponding mobile telephone of received terrestrial digital broadcasting.
The broadcaster 11 that possesses the dispensing device 114 that this received terrestrial digital broadcasting uses as previously mentioned, be arranged on building such as shopping center, large-scale shop or underground merchant street etc. and be difficult to receive in the service area of received terrestrial digital broadcasting ripple, and can be regarded as the small-sized broadcasting station that covers this service area.So, under the situation in receiving terminal 4 enters into before this above-mentioned service area that the received terrestrial digital broadcasting ripple institute that received by receiving terminal 4 can not arrive, replace the received terrestrial digital broadcasting ripple of reception before this, and receive the digital broadcasting wave of the new content in this service area.
The treatment step of above-mentioned broadcaster 11 as shown in Figure 2.In Fig. 2, at first, reception situation (step S1) by Department of Communication Force 111 monitors from communication path A1 receiving broadcast content is receiving under the situation of broadcasted content, and this broadcasted content that receives is sent and be stored in (step S2) in Edition Contains/storage part 112.
The content stores situation of Edition Contains/storage part 112 monitors (S3) by periodicity efferent 113, storing under the situation of broadcasted content, periodically read by periodicity efferent 113, and be transformed into terrestrial digital broadcasting signal and send (step S4) by dispensing device 114.
Content output situation among the above-mentioned steps S4 monitors (step S5) by Department of Communication Force 111, and under the situation of having finished output, the content stores of getting back to step S3 monitors and proceeds to be handled.
In addition, the digital broadcasting wave that broadcaster 11 sends need not to be limited to the channel frequency utilization down in a broadcasting station that used, received terrestrial digital broadcasting in the zone that disposes this dispensing device 114, if use a plurality of stations, then with the corresponding several channel frequencies in these stations under when using, which no matter under channel, receive, the broadcast listening content can both be watched, and user's channel selection simplified control can be made.
In addition, periodically the broadcasted content that sends for example also can be used as a program storage in content stores portion 112, and can be covered successively by the broadcasted content that Department of Communication Force 111 newly receives from communication path A1 and upgrade.In addition, as additive method, also can be stored in broadcasted content in Edition Contains/storage part 112 and manage with a plurality of program units, by periodicity efferent 113, select in a plurality of programs from be stored in Edition Contains/storage part 112 by from the specified program of the control information of content distributing center 3, and periodically send.
According to the broadcaster of said structure, the broadcasted content by communication path A1～An, B receive distribution stores this broadcasted content automatically, and the broadcasted content of storage is periodically exported, and broadcasts with the form of received terrestrial digital broadcasting.Therefore, can utilize recently popularize gradually, with the corresponding receiving terminal 4 of reception of received terrestrial digital broadcasting, watch the broadcast listening content.
Therefore, in the service area that can lay communication path A1～An, only by at arbitrary site's configuration broadcast device 11, the locally broadcast content in the broadcasting service area simply just.
The signal format of received terrestrial digital broadcasting and modulation system etc. determine according to the specification that the country that this broadcaster is set, area etc. are suitable for.In digital broadcasting, the mode, DMB mode of 1 section only using OFDM etc. are for example arranged, but preferably adopt the stronger digital broadcasting mode of ability that waits the multipath reflection that takes place in the service area, interference etc. in the anti-building.
On the contrary, under the situation of not using received terrestrial digital broadcasting, deteriorations such as interference free performance, but the broadcast system that will use existing broadcast waves such as AM or FM is as application of the present invention.In addition, be under the situation of mobile telephone at receiving terminal 4, corresponding with existing broadcast wave certainly, and detailed content is because of analogizing easily, so omit.
In addition, in said structure, Department of Communication Force 111 sends to content distributing center 3 with the information relevant with the memory contents of Edition Contains/storage part 112 via main website 2, when when content distributing center 3 receives the indication of unwanted content, in Edition Contains/storage part 112 with indicated content deletion.Thus, can be from the content stores the content distributing center 3 control broadcasters 11.
In addition, Department of Communication Force 111 when receiving the open/close control information of indication transmission from content distributing center 3, optionally stops the output of power amplifier 114C.Thus, can be from the content broadcasting of the content distributing center 3 long-range devices 11 of going off the air.
Said communication paths A1 not only can be wired transmission lines of having utilized by the optical fiber that can carry out broadband connections or the communications cable that coaxial cable constitutes, also can utilize the custom system communication network that realizes with wireless mode.
In wireless system, can carry out (fixed wireless access: the communication of custom system, the portable phone circuit realized of mode or custom system of having utilized the portable phone circuit etc. Fixed WirelessAccess) with FWA.If but consider communication cost, installation cost and above-mentioned connectivity often and guarantee aspect such as flow that then (World Interoperability for Microwave Access, WiMax: custom system communication network Worldwide Interoperability forMicrowave Access:IEEE 802.16a) is good aspect combination property for the WiMAX that utilizes that wherein popularizes gradually recently.
That is to say, WiMAX can the tens of kms of radius in a big way in carry out broadband wireless communications, and be not limited to the narrow space of the such short haul connection scope of WLAN (wireless local area network) (LAN).Therefore, be arranged near the content distributing center 3 the main website 2 and the cloth station design of broadcaster 11 and become easy.So, broadcaster 11 can be configured in the optional position in the WiMAX overlay area, thus the laying that can omit the above-mentioned communications cable, and can be from main website 2 with the bandwidth allocation content.
And if use WiMAX, then the position that is provided with of broadcaster 11 becomes free, and can often connect.Therefore, for communication path A1, can easily guarantee to be used for the flow that content is distributed.
Other advantages and modification it will be apparent to those skilled in the art that.Therefore, the present invention is not limited to the detail and the embodiment that illustrate and describe aspect wider here at it.Thereby can under the situation that does not break away from the total inventive concept that is limited by claims and equal explanation thereof, carry out various changes.
Claims (9)
1. local message broadcast system comprises:
The content distributing center distributes the broadcasted content based on any local message;
Main website will send to service area arbitrarily from the broadcasted content that the foregoing distributing center distributes;
Broadcaster, be configured in the above-mentioned service area arbitrarily and and be connected with above-mentioned main website through communication path, to be transformed into broadcast singal via the broadcasted content that above-mentioned main website distributes from the foregoing distributing center based on the digital broadcasting load mode of using in the above-mentioned service area, and to above-mentioned service area broadcasting; And
Receiving terminal in the time of in entering into above-mentioned service area, receives the broadcast singal that sends from broadcaster; Wherein
Above-mentioned broadcaster comprises: Department of Communication Force receives the broadcasted content that distributes from the foregoing distributing center; Storage part, the broadcasted content that storage is received by above-mentioned Department of Communication Force; Efferent is periodically exported the broadcasted content that is stored in the above-mentioned storage part; And sending part, the broadcasted content of above-mentioned periodicity output is transformed into above-mentioned digital broadcasting load mode pre-assigned frequency broadcast singal and send.
2. local message broadcast system as claimed in claim 1, wherein
Above-mentioned receiving terminal is the mobile telephone with receiving function of the broadcast singal that receives above-mentioned digital broadcasting.
3. local message broadcast system as claimed in claim 1, wherein,
Said communication paths is any one in following: the custom system communication network of the wired system of optical fiber or coaxial cable, special circuit, based on custom system communication network, the portable phone circuit of the wireless system of FWA or WiMAX or utilize the custom system communication network of portable phone circuit.
4. local message broadcast system as claimed in claim 1, wherein,
Above-mentioned digital broadcasting is a received terrestrial digital broadcasting.
5. the broadcaster of a local message broadcast system, this system configuration is in to the service area of broadcasting based on the broadcasted content of any local message, and this broadcaster comprises:
Department of Communication Force receives the above-mentioned broadcasted content based on local message that sends via communication path;
Storage part, the broadcasted content that storage is received by above-mentioned Department of Communication Force;
Efferent is periodically exported the broadcasted content that is stored in the above-mentioned storage part; And
Sending part, the broadcast singal that the broadcasted content that above-mentioned periodicity is exported is transformed into based on the digital broadcasting load mode of being used in the above-mentioned service area also sends.
6. broadcaster as claimed in claim 5, wherein,
Said communication paths is any one in following: the custom system communication network of the wired system of optical fiber or coaxial cable, special circuit, based on custom system communication network, the portable phone circuit of the wireless system of FWA or WiMAX or utilize the custom system communication network of portable phone circuit.
7. broadcaster as claimed in claim 5, wherein,
Above-mentioned digital broadcasting is a received terrestrial digital broadcasting,
Above-mentioned sending part also sends the broadcast singal that above-mentioned broadcasted content is transformed into based on above-mentioned received terrestrial digital broadcasting load mode.
8. the broadcasting method of a local message broadcast system, this system configuration is in to the service area of broadcasting based on the broadcasted content of any local message, and this broadcasting method comprises:
The above-mentioned broadcasted content that reception sends via communication path based on local message;
Store the broadcasted content of above-mentioned reception;
Periodically export the broadcasted content of above-mentioned storage; And
The broadcast singal that the broadcasted content that above-mentioned periodicity is exported is transformed into based on the digital broadcasting load mode of being used in the above-mentioned service area also sends.
9. broadcasting method as claimed in claim 8, wherein,
Above-mentioned digital broadcasting is a received terrestrial digital broadcasting,
The broadcast singal that above-mentioned broadcasted content is transformed into based on above-mentioned received terrestrial digital broadcasting load mode also sends.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP152779/2006 | 2006-05-31 | ||
| JP2006152779 | 2006-05-31 | ||
| JP134569/2007 | 2007-05-21 | ||
| JP2007134569A JP2008011510A (en) | 2006-05-31 | 2007-05-21 | Local information broadcast system, and broadcast device and broadcast method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101083509A true CN101083509A (en) | 2007-12-05 |
| CN101083509B CN101083509B (en) | 2013-09-11 |
Family
ID=38791918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101087657A Expired - Fee Related CN101083509B (en) | 2006-05-31 | 2007-05-31 | Local information broadcast system, and broadcast device andbroadcast method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5017479B2 (en) |
| CN (1) | CN101083509B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2859786B2 (en) * | 1992-09-17 | 1999-02-24 | 富士通株式会社 | Wireless communication system |
| JPH06209301A (en) * | 1992-10-23 | 1994-07-26 | Stanley Electric Co Ltd | Led character broadcast system |
| US5510828A (en) * | 1994-03-01 | 1996-04-23 | Lutterbach; R. Steven | Interactive video display system |
| JP2001331138A (en) * | 2000-05-22 | 2001-11-30 | Shigeru Adachi | Advertising media transmission system, and systems for observing earthquake, weather, and environment using the same |
| JP2003110512A (en) * | 2001-09-28 | 2003-04-11 | Toshiba Corp | Digital broadcasting system, digital broadcasting method, local broadcasting facility device therefor, and wide area broadcasting facility device |
| JP2003234712A (en) * | 2002-02-08 | 2003-08-22 | Hitachi Kokusai Electric Inc | Broadcasting system |
| JP2004032160A (en) * | 2002-06-24 | 2004-01-29 | Toppan Printing Co Ltd | Wayside area information guidance system, portable receiver and wayside area information guiding method |
| JP2004135171A (en) * | 2002-10-11 | 2004-04-30 | Sony Corp | Digital broadcasting system, main distribution apparatus, sub distribution apparatus, broadcast contents distributing method, and broadcast contents editing method |
| JP2005092483A (en) * | 2003-09-17 | 2005-04-07 | Yoshiyuki Kajino | System for audio guidance of guidance target place |
| JP2005203911A (en) * | 2004-01-14 | 2005-07-28 | Nec Corp | In-train broadcast system and broadcast method thereof |
| JP4606185B2 (en) * | 2005-02-01 | 2011-01-05 | 日本テレビ放送網株式会社 | Relay system and relay method, transmitting station and relay station |
-
2007
- 2007-05-31 CN CN2007101087657A patent/CN101083509B/en not_active Expired - Fee Related
-
2011
- 2011-05-02 JP JP2011103167A patent/JP5017479B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP5017479B2 (en) | 2012-09-05 |
| CN101083509B (en) | 2013-09-11 |
| JP2011193509A (en) | 2011-09-29 |
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