CN1354951A - System and method for broadcasting emergency warnings to radio and television receivers in low power mode - Google Patents
System and method for broadcasting emergency warnings to radio and television receivers in low power mode Download PDFInfo
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- CN1354951A CN1354951A CN00806266A CN00806266A CN1354951A CN 1354951 A CN1354951 A CN 1354951A CN 00806266 A CN00806266 A CN 00806266A CN 00806266 A CN00806266 A CN 00806266A CN 1354951 A CN1354951 A CN 1354951A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
- G08B25/085—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines using central distribution transmission lines
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/13—Arrangements for device control affected by the broadcast information
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2665—Gathering content from different sources, e.g. Internet and satellite
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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]
- H04N21/40—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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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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]
- H04N21/40—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 MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
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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]
- H04N21/40—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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
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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]
- H04N21/40—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
- H04N21/488—Data services, e.g. news ticker
- H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
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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]
- H04N21/60—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
- H04N21/65—Transmission of management data between client and server
- H04N21/654—Transmission by server directed to the client
- H04N21/6543—Transmission by server directed to the client for forcing some client operations, e.g. recording
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/814—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts comprising emergency warnings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
There is disclosed an emergency warning system for use in an appliance comprising a radio frequency(RF)receiver capable of receiving a broadcast radio signal or a broadcast television signal when the appliance is operating in a standby mode. The emergency warning system comprises a detector coupled to the RF receiver for detecting an emergency code in the received broadcast radio signal or broadcast television signal. The emergency warning system also comprises a low power mode controller coupled to and receiving the first signal from the detector. The low power mode controller, in response to the first signal, switches the appliance from the standby mode to an active mode wherein the RF receiver processes and plays the received broadcast radio signal or a broadcast television signal.
Description
Technical field
The present invention relates generally to emergency broadcast system, can start the radio be operated under low power mode/standby mode and the emergency broadcast system of television receiver in particular to a kind of.
Background technology
Emergence warning system now can provide audio frequency and/or vision signal to the public, makes them note danger present or that face.Along with the rapid progress of technology, public's warning system also becomes better and approaching perfection day by day, becomes the system of high complexity.Emergence warning system comprises siren and radio and television broadcasting system.The purpose of these systems is as far as possible promptly to make the public of most to receive alarm.
During the cold war,, set up emergency broadcast system (EBS) in order to improve the coverage rate of alarm.During federation, state or regional contingencies, amplitude modulation (AM) or frequency modulation (FM) radio station, TV and Radio Service and cable TV station can broadcast large-scale warning information to the receiver in emergency area.With regard to TV, this emergency alert signals can comprise Word message that alarm song, static warning sign (as cyclone funnel cloud or certain resolution chart), one section roll in a video screen part or news ewscaster's live broadcast.
But, to allow how full complement in the alarm zone receive and still have some difficulties on the problem of alarm, this be since can not guarantee relevant area everyone at the reception warning message.For example, with the people in audio alert notifications state of emergency areas such as siren: there are danger such as cyclone, fire, poison gas harm.May owing to the lazy weight of siren covering certain zone fully, and make those people far away can't hear alarm song apart from the siren high building.In grass roots, all the more so.In addition, some people may live in the good building of sound insulation, and alarm song can not import into indoor.With regard to TV and radiowarning, always have such situation: people do not turn on television set and/or broadcast receiver as yet during alarm broadcasting.When night, people were sleeping, especially true.
Therefore, in the present technique field, need improve emergence warning system.Need carry out such improvement to emergence warning system especially, make the people that do not turn on television set or wireless remote districts also can receive alarm.
Summary of the invention
In order to remedy the deficiency of above-mentioned prior art, primary and foremost purpose of the present invention is to provide a kind of emergence warning system that uses in the electrical equipment that comprises radio frequency (RF) receiver, can accept one of radio signals and television broadcasting signal at least when described electrical equipment is in standby mode.In a most preferred embodiment of the present invention, emergence warning system comprises: the 1) detector that is connected with the RF receiver, described detector can be picked up and survey the emergency code at least a signal in the radio signals receive and the television broadcasting signal, and response to the detection of described emergency code, produce first signal; 2) be connected to described detector and reception low power mode controller from first signal of described detector, described controller responds first signal described electrical equipment is switched to working method from standby mode, radio signals that the RF receiver is handled and broadcast receives under described working method and at least a signal in the television broadcasting signal.
In one embodiment of the invention, emergence warning system also comprises the channel selection controller that is connected with detector in addition, wherein said channel selection controller receives secondary signal from detector, described signal can make channel selection controller with the RF receiver be tuned to first channel.
In another embodiment of the present invention, described first channel is predetermined default channel.
In another embodiment of the present invention, described first channel is last selecteed channel, and the RF receiver is tuned to described channel when described electrical equipment enters standby mode.
In an embodiment more of the present invention, described first channel is determined by the data value related with emergency code.
In another embodiment more of the present invention, described detector can be controlled the volume level of described RF receiver.
In another again embodiment of the present invention, described detector can make the volume level of the sound signal of at least a signal correction connection in the increase of described RF receiver and radio signals and the television broadcasting signal.
The front has been described feature of the present invention and technical advantage widely, and it is follow-up about detailed description of the present invention to make the professional and technical personnel to understand better.Other feature and advantage of various details, they will constitute the theme of claims of the present invention.The professional and technical personnel should understand, and they can revise or design other structures based on thought of the present invention disclosed herein and certain embodiments easily, realizes with the identical purpose of the present invention.The professional and technical personnel it should be understood that also the equivalent system with this class formation does not depart from spirit of the present invention and scope broadest formal.
Before entering detailed description of the present invention, make definitions not without benefit with regard to some word and the phrase that use in the patent specification full text; Verb " comprises " and " comprising " (" include " and " comprise ") and their derivative mean: include but not limited to; Conjunction " or " (" or ") be the pardon usage, mean: and/or; Phrase " be associated with " and " with ... be associated " (" associated with " and " associated therewith ") and their derivation phrase mean: comprise, in being included in, with ... connect each other, hold, in being comprised in, be connected to or follow ... connect, be connected to or follow ... connect, can follow ... contact, follow ... cooperation, staggered related, and put, approach, closely related in or follow ... closely related, have, have ... character and other similar meanings; Noun " controller " (" controller "), " processor " (" processor ") or " device " (" apparatus ") mean: any a kind of apparatus operating, system or its parts controlled at least, such equipment can use hardware, firmware or software to realize, perhaps by the two unites realization at least among them.Should be pointed out that the functionality that is associated with any specific controller can be concentrated or distributes, no matter be local or long-range.Patent specification is in the whole text all relevant for the definition of some speech and phrase, those skilled in the art should understand, in many occasions (as not being most of occasion), this class definition is applicable to the previous and usage in the future of speech that these are defined and phrase.
Description of drawings
For a more complete understanding of the present invention and advantage, need to read in conjunction with the accompanying drawings following description, prosign is represented same member in the accompanying drawing, in the accompanying drawing:
Fig. 1 illustrates the exemplary emergency broadcast system according to one embodiment of the invention;
Fig. 2 illustrates the exemplary television set that can receive emergency broadcast system signal under low power mode according to one embodiment of the invention;
Fig. 3 for explanation according to an embodiment of the invention to the flow chart of the process of the broadcast operation that is in the exemplary television set broadcasting emergence message low power mode under.
Detailed description of the present invention
Below Fig. 1 to Fig. 3 of Xiang Shuing and in order to describe each embodiment of the principle of the invention just for illustrative purposes, should not take limiting the scope of the invention as by any way.The professional and technical personnel will appreciate that principle of the present invention can realize in the broadcast system of any suitable configuration and RF receiver.
Fig. 1 shows the exemplary emergency broadcast system (EBS) 100 according to one embodiment of the invention.EBS 100 comprises public switch telephone network (PSTN)/the Internet 120, will transmit to TV (TV)/radio broadcasting facility 110 from the emergency alert signals of public security organs.Public security organs can comprise Federal Emergency Management Agency (FEMA) 131, National Meteorological Bureau (NWS) 132, police office 133 and fire department 134.
TV/radio broadcasting facility 110 comprises: external alert notice controller 150, broadcasting controller 155, radio frequency (RF) transmitter 160, broadcast program source of information 165 and memory 170.External alert notice controller 150 passes through the alert notice of PSTN/ the Internet 120 receptions from one or more mechanisms in FEMA 131, NWS 132, police office 133 and the fire department 134, and makes warning message be sent to broadcasting controller 155 when the EBS alarm exists.Under normal (non-emergent) operating condition, broadcasting controller 155 can allow broadcast program source of information 165 send RF transmitter 160 to.When having detected the EBS alarm situations from external alert notice controller 150 and occur, broadcasting controller 155 makes the EBS warning information that is instructed to be sent to RF transmitter 160.
RF transmitter 160 is common RF transmitter, and it is radio frequency and the power level that is used for the TV/radio receiver output to whole broadcast coverage areas with normal broadcast program or from the EBS warning information conversion of signals of broadcasting controller 155.If cable TV station, RF transmitter 160 is connected with cable system, and is not connected with transmitting antenna.The general broadcast program material source that broadcast program source of information 165 is provided under the nonemergency exports broadcasting controller 155 to.Broadcast program source of information 165 can comprise Live Program (as news and sports cast) or the program of pre-recording (as music, telefilm, sitcom etc.).Broadcast program source of information 165 can be provided by the program source (as certain news studio) or the long-range program source (as certain network originating) in place.
There is the application program of carrying out by external alert notice controller 150 in the memory 170, has emergency code 180, audio frequency emergency information 181 and video emergency information 182 in addition.The part memory block of emergency code 180 required storages 170, described memory block are used to store one or more emergency code of following the EBS information that received by external alert notice controller 150 to be associated.Generally, the single EBS code of emergency code 180 storages is though can provide more code.
The one or more audio frequency emergency informations that are associated with the EBS alarm signal that receives of audio frequency emergency information 181 storages.Can perhaps can receive these audio-frequency informations for the alarm types of each expection these audio-frequency informations of pre-recording via the one or more mechanism of PSTN/ the Internet 120 from FEMA 131, NWS132, police office 133 and fire department 134.Similarly, the one or more video emergency informations that are associated with the EBS alarm signal that receives of video emergency information 182 storages.Can perhaps can receive these video informations for the alarm types of each expection these video informations of pre-recording via the one or more mechanism of PSTN/ the Internet 120 from FEMA 131, NWS 132, police office 133 and fire department 134.Video emergency information 182 is as television broadcasting signal, by TV/radio broadcasting facility 110 outputs.
Under normal operating state, TV/radio broadcasting facility 110 is provided by predetermined TV and/or the radio broadcast program that is provided by broadcast program source of information 165 on time.When external alert notice controller 150 detected EBS alarm from PSTN/ the Internet 120 and occurs, external alert notice controller 150 just interrupted broadcasting normally and allow TV/radio broadcasting facility 110 with the one or more information emission broadcasting in emergency code 180 and audio frequency emergency information 181 and the video emergency information 182.After the scheduled time of program control or radio station control, external alert notice controller 150 starts broadcasting controller 155 so that export normal predetermined broadcast program again.
Fig. 2 illustrates the exemplary television set 200 according to one embodiment of the invention, and described television set can receive EBS information under low power mode.In order to set forth operation of the present invention more concisely, below describe at the embodiments of the invention of on television set, implementing.But this just for illustrative purposes.Should clear and definite the present invention can implement comprising on any equipment of broadcast receiver or television receiver, comprising for example: television set, stereo component system, common automobile-used AM/FM broadcast receiver, personal computer and other devices that the RF tuner can receive broadcast radio signal or broadcast television signal are housed.
The on/off state of standby mode circuit 216 is by 255 controls of low power mode controller.During the EBS alarm state, when low power mode controller 255 be switched on/when cut-off switch or emergency code detector 250 started, standby mode circuit 216 was in fully that " connection " is working method.In other cases, standby mode circuit 216 is in " disconnection " (or standby) mode.
The signal that 250 monitorings of emergency code detector receive from IF frequency mixer 215 is so that detect the appearance of emergency code 180.If detect emergency code 180, emergency code detector 250 sends and starts (i.e. " connection ") signal to low power mode controller 255, makes low power mode controller 255 provide full power to standby mode circuit 216.In one embodiment, low power mode controller 255 keeps the full power state, is ended when receiving the open command signal.In another embodiment, in the period default or program selecting, low power mode controller 255 can be kept emergency operating power level.For example, the user of television set 200 can program controlly be set at 60 minutes with the emergency operating power duration.Do not receive EBS information in 60 minutes, the power of standby mode circuit 216 turns back to immediately and disconnects i.e. " standby " power level.
If detect emergency code 180, emergency code detector 250 also can send channel selecting signal to channel selection controller 260, the frequency of described controller control RF tuner 210 selected channels.In one embodiment of the invention, emergency code detector 250 can send channel selecting signal, make channel selection controller 260 be tuned to specific default channel, described default channel can be set up by telecommunication standard.In another embodiment of the present invention, emergency code detector 250 can send channel selecting signal, and channel selection controller 260 is just stayed in the channel that emergency code 180 is detected (promptly not changing channel).Like this, channel selection controller 260 with RF tuner 210 be tuned to last user selected channel.In yet another embodiment, channel selection controller 260 can be placed in channel sequencing mode, under described mode, in predetermined or program-controlled period to each channel select, promptly up to receiving the strongest signal.In another embodiment of the present invention, emergency code 180 can comprise the channel selection field that is detected by emergency code detector 250 in addition.The channel selection field comprises the value of described field, channel selection controller 260 with RF tuner 210 be tuned to described value.Like this, the not only remote-controlled startup television set 200 of TV/radio station 110, also remote-controlled television set 200 is selected the channel of any hope.
Can suppose, if TV/radio station's 110 transmitting emergency situation codes 180 during emergency, so, TV/radio station 110 will broadcast the emergency program of certain form subsequently, as audio frequency emergency information 181, video emergency information 182 or from the live news report of representing with broadcast program source of information 165 of studio.Like this, with RF tuner 210 be retained in be tuned to the channel that receives emergency code 180 in, will be enough to reach the emergency notification public's who will face purpose.But, with RF tuner 210 be tuned to specific pass through the default channel that telecommunication standard sets up and can guarantee: when when sending emergency code 180 its remote control is started, television set 200 will be tuned to the emergency channel.
The flow chart 300 that Fig. 3 provides, it has described according to one embodiment of present invention the broadcast operation to the exemplary television set 200 transmitting emergency situation information that are in low power mode.The operation of EBS 100 and television set 200 when flow chart 300 is illustrated in the state of emergency.During beginning, TV/radio broadcasting facility 110 receives the alarm of external emergency or from the one or more public security organs that are associated with EBS 100 alarm signal (step 305) of (such mechanism comprises FEMA 131, NWS 132, police office 133, fire department 134 etc.).
In response, TV/radio broadcasting facility 110 will be stayed close the anxious emergency code 180 that is associated of alarming and insert the RF signal (step 310) of broadcasting.For the radio broadcasting facility, audio-frequency information that is associated with emergency code that " normally " audio program can be inserted into and transmit or signal tone interrupt.TV/radio broadcasting facility 110 can randomly start and send audio frequency that pre-record or the stock and/or the video information that is associated with indicated alarm.As another kind of selection scheme: TV/radio broadcasting facility 110 can insert and transmit live directly from a family or the man public release mechanisms of number or from the audio/video emergency information (step 315) of news production unit.
The RF information that TV and radio receiver in TV/radio broadcasting facility 100 overlay areas can receive broadcasting.These receivers comprise television set and/or the broadcast receiver (step 320) that is in standby or low power mode of the present invention.Then, the appearance (step 325) of emergency code and/or information in the 250 detection RF signals of the emergency code detector in TV and/or the radio receiver.Emergency code detector 250 switches to working method, i.e. " connection " state (step 330) with corresponding TV set or broadcast receiver from standby mode.
Be switched the channel selection controller 260 that is associated to the receiver of working method make related TV or radio receiver be tuned to a certain acquiescence or selected emergency channel (frequency).Each channel selection controller 260 can randomly allow the RF tuner that the volume of broadcast receiver or television set is set to high level, to implement emergency notification (step 340).The emergency audio or video information (step 345) that is associated with emergency code 180 of any transmission can randomly be play or show to TV/radio receiver.
Like this, nearby anyone still can receive alarm at the radio or television receiver that may be in disconnection (being standby mode), is apprised of emergency to occur.When the radio or television receiver that is suspended work has detected the EBS alarm signal and has occurred, described machine will be set to on-state, and start emergency broadcast channel or frequency, randomly volume is set to high level and plays/show described emergency information.The louder volume level has improved the possibility of knowing individual (comprising the sleeper) the emergency alarm in the range of receiving.In case be activated, receiver can manually be set to off-state, up to receiving next EBS alarm signal.
Though the present invention has been made detailed description, the professional and technical personnel should be understood that they can do various changes to it, replace with changing not and to depart from spirit of the present invention and scope in broad sense in form.
Claims (12)
1. emergence warning system that in electrical equipment (200), uses, described electrical equipment comprises radio frequency (RF) receiver (210) that can receive at least a signal in radio signals and the television broadcasting signal when described electrical equipment is in standby mode, and described emergence warning system comprises:
The detector (250) that is connected with described RF receiver (210), described detector can detect the emergency code at least a signal described in described radio signals and the described television broadcasting signal, and response produces first signal to the described detection of described emergency code;
Be connected with described detector (250) and receive low power mode controller (255) from described first signal of described detector (250), described first signal of wherein said low power mode controller (255) response switches to working method with described electrical equipment (200) from described standby mode, handles and play at least a signal that receives described in described radio signals and the described television broadcasting signal at RF receiver described in the described working method (210).
2. a television equipment (200), it comprises:
RF receiver (210), it can be accepted broadcast television signal and therefrom produce baseband signal when at least a portion of described television equipment is in standby mode;
The detector (250) that is connected with described RF receiver (210), can detect a kind of emergency code in the described baseband signal, the latter responds the described detection of described emergency code is produced first signal;
Be connected in described detector (250) and reception low power mode controller (255) from described first signal of described detector (250), described first signal of wherein said low power mode controller (255) response and at least a portion of described television equipment is switched to working method from described standby mode, described RF receiver (210) is handled described broadcast television signal under described working method; And
Be connected with described RF receiver (210) so that show the display (230) of the broadcast television signal after the described processing.
3. the method for a response broadcasting emergency alarm of in electrical equipment (200), using, described electrical equipment comprises radio frequency (RF) receiver (210) that can receive at least a signal in radio signals and the television broadcasting signal when described electrical equipment is in standby mode, and described method comprises the steps:
Detect the emergency code at least a signal described in described radio signals and the described television broadcasting signal;
Response switches to working method with described electrical equipment (200) from standby mode to the described detection of described emergency code; And
Play at least a signal that receives described in described radio signals and the described television broadcasting signal.
4. the method for claim 3 is characterized in that further comprising the steps of: response is to the described detection of described emergency code, with described RF receiver (210) be tuned to first channel.
5. the television equipment of the emergence warning system of claim 1 or claim 2 (200), it is characterized in that also comprising the channel selection controller (260) that is connected with described detector (250), wherein said channel selection controller (260) receives the secondary signal from described detector (250), the latter can make described channel selection controller (260) with described RF receiver (210) be tuned to first channel.
6. the emergence warning system of claim 5 or television equipment (200), or the method for claim 4 is characterized in that described first channel is predetermined default channel.
7. the emergence warning system of claim 5 or television equipment (200), the perhaps method of claim 4, it is characterized in that described first channel is the last channel of selecting, when described electrical equipment (200) when entering described standby mode described RF receiver (210) be tuned to this channel.
8. the emergence warning system of claim 5 or television equipment (200), or the method for claim 4 is characterized in that described first channel determined by the data value that is associated with described emergency code.
9. claim 1 or append in the claim 5 to 8 of claim 1 any one or a plurality of emergence warning systems, perhaps claim 2 or append in the claim 5 to 8 of claim 2 any one or a plurality of television equipments (200) is characterized in that described detector (250) can control the volume level of described RF receiver (210).
10. the emergence warning system of claim 9 or television equipment (200) is characterized in that described detector (250) makes described RF receiver (210) improve the volume level of the sound signal that joins with at least a signal correction described in described radio signals and the described television broadcasting signal.
11. claim 3 or 4 or append to any one or a plurality of methods of requiring in 3 or 4 the claim 6,7 or 8 is characterized in that also comprising the step of the volume level of the described RF receiver of control (210).
12. the method for claim 11 is characterized in that the step of described control volume comprises the volume level that improves the sound signal that is associated with described at least a radio signals.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46486399A | 1999-12-16 | 1999-12-16 | |
| US09/464,863 | 1999-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1354951A true CN1354951A (en) | 2002-06-19 |
Family
ID=23845554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00806266A Pending CN1354951A (en) | 1999-12-16 | 2000-12-01 | System and method for broadcasting emergency warnings to radio and television receivers in low power mode |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1177685A2 (en) |
| JP (1) | JP2003517784A (en) |
| KR (1) | KR20010102187A (en) |
| CN (1) | CN1354951A (en) |
| WO (1) | WO2001045386A2 (en) |
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| CN100366063C (en) * | 2003-08-29 | 2008-01-30 | 索尼株式会社 | Broadcast receiver and its method |
| CN102523517A (en) * | 2011-12-14 | 2012-06-27 | 深圳创维数字技术股份有限公司 | Digital television receiving terminal, emergency broadcast starting method and system |
| CN103404133A (en) * | 2011-07-11 | 2013-11-20 | 株式会社Ntt都科摩 | Communication terminal and warning information acquisition method |
| CN103905132A (en) * | 2014-03-17 | 2014-07-02 | 湖南农业大学 | Broadcast terminal technique based on 3G mobile Internet platform |
| CN104243075A (en) * | 2014-09-29 | 2014-12-24 | 李建 | Emergency information receiving terminal |
| CN104717547A (en) * | 2013-12-13 | 2015-06-17 | 国家广播电影电视总局广播电视卫星直播管理中心 | Direct broadcast satellite emergency broadcasting system and direct broadcast satellite broadcast reception device |
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| US20030105794A1 (en) * | 2001-11-09 | 2003-06-05 | Jasinschi Radu S. | Systems for sensing similarity in monitored broadcast content streams and methods of operating the same |
| US20030093789A1 (en) * | 2001-11-09 | 2003-05-15 | John Zimmerman | Systems for monitoring broadcast content and generating notification signals as a function of subscriber profiles and methods of operating the same |
| EP1504590A4 (en) * | 2002-05-10 | 2005-06-22 | Thomson Licensing Sa | Television signal receiver capable of receiving emergency alert signals |
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- 2000-12-01 JP JP2001546147A patent/JP2003517784A/en active Pending
- 2000-12-01 CN CN00806266A patent/CN1354951A/en active Pending
- 2000-12-01 KR KR1020017010393A patent/KR20010102187A/en not_active Application Discontinuation
- 2000-12-01 WO PCT/EP2000/012143 patent/WO2001045386A2/en not_active Application Discontinuation
- 2000-12-01 EP EP00993475A patent/EP1177685A2/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100366063C (en) * | 2003-08-29 | 2008-01-30 | 索尼株式会社 | Broadcast receiver and its method |
| CN103404133A (en) * | 2011-07-11 | 2013-11-20 | 株式会社Ntt都科摩 | Communication terminal and warning information acquisition method |
| CN103404133B (en) * | 2011-07-11 | 2016-11-16 | 株式会社Ntt都科摩 | Communication terminal and alert information acquisition method |
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| CN104717547A (en) * | 2013-12-13 | 2015-06-17 | 国家广播电影电视总局广播电视卫星直播管理中心 | Direct broadcast satellite emergency broadcasting system and direct broadcast satellite broadcast reception device |
| CN104717547B (en) * | 2013-12-13 | 2018-08-24 | 国家广播电影电视总局广播电视卫星直播管理中心 | Direct broadcast satellite emergency broadcast system and direct broadcast satellite broadcast receiver |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2001045386A2 (en) | 2001-06-21 |
| EP1177685A2 (en) | 2002-02-06 |
| WO2001045386A3 (en) | 2001-11-15 |
| JP2003517784A (en) | 2003-05-27 |
| KR20010102187A (en) | 2001-11-15 |
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