CN206596143U - Radio and television equipment supervising device and system - Google Patents
Radio and television equipment supervising device and system Download PDFInfo
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- CN206596143U CN206596143U CN201720353748.9U CN201720353748U CN206596143U CN 206596143 U CN206596143 U CN 206596143U CN 201720353748 U CN201720353748 U CN 201720353748U CN 206596143 U CN206596143 U CN 206596143U
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Abstract
The utility model provides a kind of radio and television equipment supervising device and system, and described device includes：Current detecting unit, broadcast reception unit, communication unit and processing unit；The current detecting unit is connected with digital television signal transmitting equipment to be detected and the processing unit, and the current value that the digital television signal detected launches equipment is sent to the processing unit；The broadcast reception unit is connected with the processing unit, is received and is sent the broadcast singal to the processing unit；The processing unit is connected with the communication unit, the processing unit is detecting current value that the current detecting unit sends not within a preset range, or when detecting the broadcast singal exception of the broadcast reception unit transmission, alert notice is sent to an at least mobile terminal.In this way, alloing staff to recognize that broadcast television signal launches the working condition of equipment in time, handled in time in equipment fault.
Description
Technical field
The utility model is related to broadcast television signal apparatus field, is monitored in particular to a kind of radio and television equipment
Apparatus and system.
Background technology
With the development of the social economy, radio and television popularization scope is increasing, particularly in rural area, for transfer
The station for launching broadcast television signal is more and more.Broadcast television signal transmitting equipment is to ensure that broadcast television signal is just producing broadcast
Visual plant, in the prior art to lack be directed to broadcast television signal launch equipment the device that is monitored of working condition or
System, staff can not obtain the fault message that broadcast television signal launches equipment in time, badly influence radio and television
It is normal to broadcast.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, the purpose of this utility model is to provide a kind of radio and television equipment
Supervising device, described device includes：Current detecting unit, broadcast reception unit, communication unit and processing unit；
The current detecting unit is connected with digital television signal transmitting equipment to be detected and the processing unit, will be examined
The current value of the digital television signal transmitting equipment measured is sent to the processing unit；
The broadcast reception unit is connected with the processing unit, receives the broadcast letter that broadcast signal transmission equipment is sent
Number, and the broadcast singal is sent to the processing unit；
The processing unit is connected with the communication unit, and the processing unit is detecting the current detecting unit hair
The current value sent is not within a preset range, or when detecting the broadcast singal exception of the broadcast reception unit transmission, pass through institute
State communication unit and send alert notice to an at least mobile terminal.
Further, in said apparatus, described device also includes at least one reset unit；
The reset unit is connected with the processing unit, and the reset unit is also set with digital television signal transmitting
The connection of standby or broadcast signal transmission equipment；The processing unit receives answering for the mobile terminal transmission by the communication unit
Bit instruction, controls the reset unit to launch the digital television signal equipment or broadcast singal hair according to the reset instruction
Jet device carries out power-off restoration.
Further, in said apparatus, described device also includes audio output unit；
The audio output unit is connected with the processing unit；The processing unit is connected with the communication unit, inspection
Measure the current value of the current detecting unit transmission not within a preset range, or detect what the broadcast reception unit was sent
When broadcast singal is abnormal, the audio output unit is controlled to play alert audio.
Further, in said apparatus, the audio output unit is also connected with the broadcast reception unit, the sound
Frequency output unit plays the broadcast singal that the broadcast reception unit is received.
Further, in said apparatus, the current detecting unit include Hall sensor and amplifying circuit, it is described suddenly
Your sensor is arranged at the digital television signal transmitting equipment and is connected with the amplifying circuit, the amplifying circuit with it is described
Processing unit is connected；The Hall sensor detects that the digital television signal launches the operating current of equipment, is put by described
Sent after big processing of circuit to the processing unit.
Further, in said apparatus, the broadcast reception unit by I2C buses and signal feedback line with it is described
Processing unit is connected, the frequency for the broadcast singal to be detected that is stored with the processing unit；The processing unit passes through the I2C
Bus sends the frequency of the broadcast singal to be detected to the broadcast reception unit, and the broadcast reception unit receives the frequency
The broadcast singal of rate is simultaneously sent to the processing unit by the feedback line.
Further, in said apparatus, described device also includes display unit and input block；
The display unit is connected with the processing unit, and the processing unit shows the broadcast by the display unit
The working condition or operational data of television equipment supervising device；
The input block is connected with the processing unit, and it is defeated that the processing unit receives user by the input block
Enter, inputted according to user switch the display of the display unit or change the radio and television equipment supervising device working condition or
Operational data.
Further, in said apparatus, described device also includes power subsystem, the emergency power supply and the broadcast electricity
Other functional units depending on equipment monitoring apparatus are connected, and the power subsystem reception external electric energy inputs and is the radio and television
Other functional units of equipment monitoring apparatus provide electric energy.
Further, in said apparatus, the power subsystem includes the battery and electric power management circuit being connected with each other, institute
State battery and provide electric energy when external electric energy is inputted and interrupted for described other functional units of radio and television equipment supervising device.
Another object of the present utility model is to provide a kind of radio and television equipment monitoring system, the system include originally be
Radio and television equipment supervising device that utility model is provided and at least one communicate with the radio and television equipment supervising device
Mobile terminal.
In terms of existing technologies, the utility model has the advantages that：
Radio and television equipment supervising device and system that the utility model is provided, by detecting that digital television signal transmitting is set
Standby operating current or the broadcast singal of broadcast signal transmission equipment, judge the digital television signal transmitting equipment or broadcast letter
The working condition of number transmitting equipment, and send and alarm to mobile terminal when the said equipment working condition is abnormal.In this way, making work
Personnel can recognize that broadcast television signal launches the working condition of equipment in time, be handled in time in equipment fault.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
The radio and television equipment supervising device application environment schematic diagram that Fig. 1 provides for the utility model embodiment；
One of radio and television equipment supervising device structural representation that Fig. 2 provides for the utility model embodiment；
The circuit diagram for the current acquisition unit that Fig. 3 provides for the utility model embodiment；
The circuit diagram for the broadcast reception unit that Fig. 4 provides for the utility model embodiment；
The circuit diagram for the communication unit that Fig. 5 provides for the utility model embodiment；
The two of the radio and television equipment supervising device structural representation that Fig. 6 provides for the utility model embodiment；
The circuit diagram for the reset circuit that Fig. 7 provides for the utility model embodiment；
The circuit diagram for the audio output unit that Fig. 8 provides for the utility model embodiment.
Icon：100- radio and television equipment supervising devices；110- processing units；120- current detecting units；130- is broadcasted
Receiving unit；140- communication units；150- reset units；160- audio output units；170- display units；180- inputs are single
Member；200- mobile terminals；300- digital television signals launch equipment；400- broadcast signal transmission equipment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to which explanation, term " first ", " second ", " the 3rd " etc. are only used for area in description of the present utility model
Divide description, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Fig. 1 is refer to, Fig. 1 is the work for the radio and television equipment supervising device 100 that the utility model preferred embodiment is provided
Make environment schematic, the radio and television equipment supervising device 100 can be connected with digital television signal transmitting equipment 300, supervise
The operating current that the digital television signal launches equipment 300 is controlled, to judge that the digital television signal launches the work of equipment 300
Make situation.The radio and television equipment supervising device 100 can also receive the broadcast letter of the transmitting of broadcast signal transmission equipment 400
Number, to judge the working condition of the broadcast signal transmission equipment 400.The radio and television equipment supervising device 100 can be with
Radio communication is carried out with least one mobile terminal 200, equipment 300 or broadcast signal transmission are launched in the digital television signal
During 400 operation irregularity of equipment, alert notice is sent to the mobile terminal 200.
Fig. 2 is refer to, Fig. 2 is the schematic diagram of the structure of radio and television equipment supervising device 100 shown in Fig. 1, the broadcast electricity
It can include processing unit 110, current detecting unit 120, broadcast reception unit 130 and communication unit depending on equipment monitoring apparatus 100
Member 140.
The current detecting unit 120 and digital television signal transmitting equipment 300 to be detected and the processing unit 110
Connection, the current value that the digital television signal detected launches equipment 300 is sent to the processing unit 110.
The broadcast reception unit 130 is connected with the processing unit 110, is received broadcast signal transmission equipment 400 and is sent
Broadcast singal, and the broadcast singal is sent to the processing unit 110.
The processing unit 110 is connected with the communication unit 140, and the processing unit 110 is detecting the electric current
The current value that detection unit 120 is sent is not within a preset range, or detect the broadcast letter that the broadcast reception unit 130 is sent
During number exception, alert notice is sent to an at least mobile terminal 200 by the communication unit 140.
Specifically, the current detecting unit 120 includes Hall sensor and amplifying circuit, and the Hall sensor is set
Launch equipment 300 in the digital television signal and be connected with the amplifying circuit, the amplifying circuit and the processing unit
110 are connected.The Hall sensor detects that the digital television signal launches the operating current of equipment 300, passes through the amplification
Sent after processing of circuit to the processing unit 110.
Fig. 3 is refer to, Fig. 3 is the circuit diagram of the current detecting unit 120, in the present embodiment, the hall sensing
Device can be the WCS1800 Hall sensors shown in Fig. 3, and the amplifying circuit can include the AD623 amplifications shown in Fig. 3
Device, the current detecting unit 120 is connected by interface J1 shown in Fig. 3 with the processing unit 110.
WCS1800 is a kind of magnetic strength linear current sensing IC, for detecting the electric current in DC loop, in the present embodiment
In, for detecting that the digital television signal launches the operating current of equipment 300.WCS1800 OUT pins are connected with AD623.
AD623 is a kind of amplifier, and its gain is determined by the resistance being connected with the amplifier the 2nd, 3 pin, as shown in Figure 3
Resistance R2 values determine AD623 gain.
The electric current that WCS1800 is detected is sent to the processing unit 110 after AD623 amplifies by interface J1.
In the present embodiment, the running current scope that the digital television signal launches equipment 300 can be set to 3A~5A, institute
When stating processing unit 110 and will detect current value that the current detecting unit 120 detects not in this range, then it is assumed that institute
State the digital television signal transmitting operation irregularity of equipment 300.
Specifically, the broadcast reception unit 130 passes through I2C buses and signal feedback line and the processing unit 110
Connection.
Be stored with the frequency of broadcast singal to be detected in the processing unit 110, and the processing unit 110 is by described
I2C buses send the frequency of the broadcast singal to be detected to the broadcast reception unit 130, the broadcast reception unit
130 receive the broadcast singal of the frequency and are sent to the processing unit 110 by the feedback line.
Fig. 4 is refer to, Fig. 4 is the circuit diagram of the broadcast reception unit 130, in the present embodiment, the broadcast reception
Unit 130 can include the TEA5767 chips and amplifying circuit shown in Fig. 4.TEA5767 is that a kind of broadcast frequency modulation signals are received
Chip, reception frequency range is 78MHz to 108MHz.
The FM_EN ports of TEA5767 chips are enable port, are connected with the processing unit 110, the processing unit
110 give one high level signal in port when TEA5767 chip normal works.TEA_DAT ports are I2C bus ports, described
Processing unit 110 is sent the frequency range of broadcast singal to be detected to TEA5767 chips by I2C buses, for example, the processing
Be stored with the frequencies of multiple broadcast singals to be detected in the flash memory (flash) of unit 110, and the processing unit 110 is just from flash memory
The middle frequency for reading broadcast singal to be detected is simultaneously sent into TEA5767 chips by the I2C bus timings, to reach that frequency modulation is monitored
Purpose.
The ANT ports of TEA5767 chips are antennal interface, for receiving broadcast singal.LOUT and ROUT interfaces are left and right
Soundtrack broadcast audio signal output interface, the signal that LOUT and ROUT interfaces are exported is after amplifying circuit processing in Fig. 4 from signal
Feedback port (i.e. V_FM ports in Fig. 4) is sent to the processing unit 110.
Specifically, Fig. 5 is refer to, Fig. 5 is the circuit diagram of the communication unit 140, in the present embodiment, the communication unit
Member 140 can include the GSM chips shown in Fig. 5, and GSM chips are connected by TX_G and RX_G ports with the processing unit 110
Connect.MK1 is antennal interface in Fig. 5, is connected with the GSM chips, for receiving and dispatching short message signal.The communication unit 140 can be with
The instruction for receiving the transmission of processing unit 110 sends alarming short message to the mobile terminal 200.
Further, in the present embodiment, the processing unit 110 includes the first processing module and second being connected with each other
Processing module, wherein, the first processing module can include the single-chip microcomputer of PIC16F1947 models, the Second processing module
PIC16F1933 signal single-chip microcomputers can be included.The first processing module and the current detecting unit 120, broadcast reception list
Member 130 and communication unit 140 are connected.
Fig. 6 is refer to, the radio and television equipment supervising device 100 can also include reset unit 150.
The reset unit 150 is connected with the Second processing module of the processing unit 110, and the reset unit 150 is also
Equipment 300 can be launched with the digital television signal or broadcast signal transmission equipment 400 is connected.The first processing module is led to
Cross the communication unit 140 and receive the reset instruction that the mobile terminal 200 is sent, and be sent to the Second processing module,
The Second processing module controls 150 pairs of the reset unit digital television signal to launch equipment according to the reset instruction
300 or broadcast signal transmission equipment 400 carry out power-off restoration.
The reset unit 150 includes at least one reset circuit, refer to Fig. 7, and Fig. 7 is the circuit of the reset circuit
Figure, the electric drive adhesive that the reset circuit includes S8050 triodes and a relay K1 composition shown in Fig. 7 is opened
Close.The reset circuit is connected by the RB1 interfaces shown in Fig. 7 with the Second processing module, when from the second processing
During module acquisition+5V high level, the 1 of J1 interfaces, 2 pins are turned on, control the DTV being connected on J1 interfaces to believe with this
Number transmitting equipment 300 or broadcast signal transmission equipment 400 carry out power-off restoration.In the present embodiment, the reset unit 150 can
To set multiple reset circuits being connected with the second processing unit 110.
Further, referring once again to Fig. 6, the radio and television equipment supervising device 100 can also include audio output
Unit 160.The audio output unit 160 is connected with the communication unit 140；The communication unit 140 receive it is described
During the reset instruction that mobile terminal 200 is sent, pass through the play cuing audio of audio output unit 160.
It refer to Fig. 8, the circuit diagram of Fig. 8 audio output units 160, in the present embodiment, the audio output
Unit 160 includes the AD2822 chips shown in Fig. 8, and AD2822 is a low-voltage small-power power amplifier collection produced by SGS companies
Into power amplifier.Its effect is that simulated audio signal is amplified to be then output to loudspeaker, plays out sound.The audio
The GSM_A of output unit 160 is connected with the communication unit 140, and the signal that the communication unit 140 is sent passes through loudspeaker
Play.
Further, the audio output unit 160 is also connected with the broadcast reception unit 130, the audio output
Unit 160 plays the broadcast singal that the broadcast reception unit 130 is received.
Fig. 8 is refer to, in the present embodiment, in FM_L, FM_R and Fig. 4 of the audio output unit 160
TEA5767 output left and right acoustic channels audios are connected, and the signal that the broadcast receiving unit is sent is played by loudspeaker.
Further, referring once again to Fig. 6, the radio and television equipment supervising device 100 can also include display unit
170 and input block 180.
The display unit 170 is connected with the processing unit 110, and the processing unit 110 passes through the display unit
170 show the working condition or operational data of the radio and television equipment supervising device 100.In the present embodiment, the display is single
Member 170 can be the LCD12864 LCDs being connected with the described first processing module.
The input block 180 is connected with the processing unit 110, and the processing unit 110 passes through the input block
180 receive user's input, input the display of the switching display unit 170 according to user or change radio and television equipment monitoring
The working condition or operational data of device 100.In the present embodiment, the input block 180 can be and the described first processing
The push-button array of module connection, the first processing module inquires about whether the push-button array has button by training in rotation scan mode
It is pressed.
Further, referring once again to Fig. 6, the radio and television equipment supervising device 100 can also include power subsystem.
The power subsystem is connected with other functional units of the radio and television equipment supervising device 100, and the power subsystem is received
External electric energy inputs and provides electric energy for described other functional units of radio and television equipment supervising device 100.
Further, the power subsystem includes the battery and electric power management circuit being connected with each other, and the battery is in outside
Electric energy input provides electric energy when interrupting for described other functional units of radio and television equipment supervising device 100.In this way, in external electrical
Source also can guarantee that the radio and television equipment supervising device 100 can continue to work in the case of powering off.
The present embodiment also provides a kind of radio and television equipment monitoring system, and the radio and television equipment monitoring system includes this
Described radio and television equipment supervising device 100 and at least one and the radio and television equipment supervising device that embodiment is provided
The mobile terminal 200 of 100 communications.
In summary, the utility model is provided radio and television equipment supervising device 100 and system, by detecting numeral electricity
Launch the operating current of equipment 300 or the broadcast singal of broadcast signal transmission equipment 400 depending on signal, judge the DTV letter
The working condition of number transmitting equipment 300 or broadcast signal transmission equipment 400, and when the said equipment working condition is abnormal to movement
Terminal 200 sends alarm.The control instruction that the mobile terminal 200 is sent can also be received by the communication unit 140, and
Digital television signal transmitting equipment 300 or broadcast signal transmission equipment 400 is controlled to carry out power-off restoration.In this way, making staff
The working condition of broadcast television signal transmitting equipment can be recognized by mobile terminal 200 or remote control is carried out, in equipment
Can timely it be handled during failure, it is ensured that the normal play of broadcast television signal.
Each functional module in the utility model each embodiment can integrate to form an independent part,
Can also be modules individualism, can also two or more modules be integrated to form an independent part.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.It should be noted that
Arrive：Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then further need not be defined and be explained to it in subsequent accompanying drawing.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of radio and television equipment supervising device, it is characterised in that described device includes：Current detecting unit, broadcast reception
Unit, communication unit and processing unit；
The current detecting unit is connected with digital television signal transmitting equipment to be detected and the processing unit, will be detected
The digital television signal transmitting equipment current value send to the processing unit；
The broadcast reception unit is connected with the processing unit, receives the broadcast singal that broadcast signal transmission equipment is sent, and
The broadcast singal is sent to the processing unit；
The processing unit is connected with the communication unit, and the processing unit is detecting what the current detecting unit was sent
Current value is not within a preset range, or when detecting the broadcast singal exception of the broadcast reception unit transmission, led to by described
Believe that unit sends alert notice to an at least mobile terminal.
2. device according to claim 1, it is characterised in that described device also includes reset unit；
The reset unit is connected with the processing unit, the reset unit also with the digital television signal launch equipment or
Broadcast signal transmission equipment is connected；The reset that the processing unit receives the mobile terminal transmission by the communication unit refers to
Order, controls the reset unit to set digital television signal transmitting equipment or broadcast signal transmission according to the reset instruction
It is standby to carry out power-off restoration.
3. device according to claim 2, it is characterised in that described device also includes audio output unit；
The audio output unit is connected with the communication unit；The communication unit is receiving what the mobile terminal was sent
During the reset instruction, pass through the audio output unit play cuing audio.
4. device according to claim 3, it is characterised in that the audio output unit also with the broadcast reception unit
Connection, the audio output unit plays the broadcast singal that the broadcast reception unit is received.
5. device according to claim 1, it is characterised in that the current detecting unit includes Hall sensor and amplification
Circuit, the Hall sensor is arranged at the digital television signal transmitting equipment and is connected with the amplifying circuit, described to put
Big circuit is connected with the processing unit；The Hall sensor detects the work electricity of the digital television signal transmitting equipment
Stream, sends to the processing unit after being handled by the amplifying circuit.
6. device according to claim 1, it is characterised in that the broadcast reception unit includes I2C bus ports and letter
Be stored with the frequency of broadcast singal to be detected in number feedback port, the processing unit；The processing unit is total by the I2C
Line end mouthful sends the frequency of the broadcast singal to be detected to the broadcast reception unit, and the broadcast reception unit is received should
The broadcast singal of frequency is simultaneously sent to the processing unit by the signal feedback port.
7. device according to claim 1, it is characterised in that described device also includes display unit and input block；
The display unit is connected with the processing unit, and the processing unit shows the radio and television by the display unit
The working condition or operational data of equipment monitoring apparatus；
The input block is connected with the processing unit, and the processing unit receives user by the input block and inputted,
The display for switching the display unit or the working condition or work of changing the radio and television equipment supervising device are inputted according to user
Make data.
8. device according to claim 1, it is characterised in that described device also includes power subsystem, the power subsystem
It is connected with other functional units of the radio and television equipment supervising device, the power subsystem receives external electric energy and inputs and be
Described other functional units of radio and television equipment supervising device provide electric energy.
9. device according to claim 8, it is characterised in that the power subsystem includes the battery and power supply being connected with each other
Circuit is managed, the battery is carried when external electric energy is inputted and interrupted for described other functional units of radio and television equipment supervising device
Power supply energy.
10. a kind of radio and television equipment monitoring system, it is characterised in that the radio and television equipment monitoring system will including right
Seek radio and television equipment supervising device described in 1-9 any one and at least one is logical with the radio and television equipment supervising device
The mobile terminal of letter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353748.9U CN206596143U (en) | 2017-04-06 | 2017-04-06 | Radio and television equipment supervising device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353748.9U CN206596143U (en) | 2017-04-06 | 2017-04-06 | Radio and television equipment supervising device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206596143U true CN206596143U (en) | 2017-10-27 |
Family
ID=60120906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720353748.9U Expired - Fee Related CN206596143U (en) | 2017-04-06 | 2017-04-06 | Radio and television equipment supervising device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206596143U (en) |
-
2017
- 2017-04-06 CN CN201720353748.9U patent/CN206596143U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20190406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |