CN102223499A - Television network switching method, device and television - Google Patents
Television network switching method, device and television Download PDFInfo
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- CN102223499A CN102223499A CN201110175974XA CN201110175974A CN102223499A CN 102223499 A CN102223499 A CN 102223499A CN 201110175974X A CN201110175974X A CN 201110175974XA CN 201110175974 A CN201110175974 A CN 201110175974A CN 102223499 A CN102223499 A CN 102223499A
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Abstract
The invention discloses a television network switching method, a device and a television. The method comprises the following steps: detecting whether external network communication equipment is connected or not; when the external network communication equipment is connected, controlling an internal network transmission channel to be disconnected, and transmitting a network signal to a television chip through the external network communication equipment; and when the external network communication equipment is not connected, controlling the internal network transmission channel to be connected, and directly transmitting a network signal to the television chip. The invention can realize the automatic switching of the television network, reduces the artificial participation process, is simple to operate, has simple system structure design, and effectively reduces the cost.
Description
Technical field
The present invention relates to TV technology, specially refer to a kind of television set method for switching network, device and television set.
Background technology
Fast development along with the TV tech industry, the type of television set is more and smaller and more exquisite, develop into ultrathin panel TV by traditional television type of past, it is more clear that television indicator also develops into image quality gradually, for example plasm TV or liquid crystal TV set etc.Simultaneously, people require also more and more higher to the variation of television set function, the television set traditional by the past can only receive the programme signal that TV station sends by antenna, progressively develop into and to be connected and to watch cable TV with the closed-circuit television network, up till now, television set can be watched digital TV in high resolution by connecting the switching set-top box.Expand new function for convenience, television set, flat-panel TV set particularly, adopted the network communication apparatus structure of plug-in pattern, for example, the PC/TV all-in-one of television set and PC (Personal Computer, personal computer) connection, can select by television set, the rating TV programme, can also surf the Net simultaneously, operation such as recreation by the network communication module of PC.
Hang with outside existing in the television product of extraposition net ruton news equipment, when television set did not connect external network communication apparatus, the external network wiring was connected with television set network input interface; When television set connects external network communication apparatus, need switching by the manual Control Network of user, make network signal by external network communication devices allocation to television set, increased artificial participation process, complicated operation.
Summary of the invention
Main purpose of the present invention is for providing a kind of television set method for switching network, device and television set of the television set network that automaticallyes switch.
The present invention proposes a kind of television set method for switching network, comprises step:
Detect and whether connect external network communication apparatus;
When connecting described external network communication apparatus, the blocking-up of control internal network transmission channel, network signal sends to television set chip through described external network communication apparatus;
When not connecting described external network communication apparatus, control internal network transmission channel is communicated with, and network signal directly sends to described television set chip.
Preferably, described control internal network transmission channel blocking-up comprises: the internal network commutation circuit is made as high-impedance state, the blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Described control internal network transmission channel is communicated with and comprises: described internal network commutation circuit is made as connected state, and external network is connected to described television set chip.
Preferably, whether described detection connects external network communication apparatus and comprises:
Utilize the identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor identification;
When described television set microprocessor recognizes high level, then be defined as being connected with external network communication apparatus.
The present invention also proposes a kind of television set network switching device shifter, comprising:
External network communication Equipment Inspection module is used for detecting whether connect external network communication apparatus;
Internal network blocking-up module is used for when external network communication Equipment Inspection module detects described external network communication apparatus, and control internal network transmission channel is blocked, and network signal sends to television set chip through described external network communication apparatus;
The internal network connectivity module is used for when external network communication Equipment Inspection module does not detect described external network communication apparatus, and control internal network transmission channel is communicated with, and network signal directly sends to described television set chip.
Preferably, described internal network blocking-up module comprises: commutation circuit blocking-up submodule, be used for the internal network commutation circuit is made as high-impedance state, the blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Described internal network connectivity module comprises: commutation circuit blocking-up submodule, be used for described internal network commutation circuit is made as connected state, and external network is connected to described television set chip.
Preferably, described external network communication Equipment Inspection module comprises:
Identification signal transmission submodule is used to utilize the identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and sends to described television set microprocessor identification;
Peripheral hardware connects determines submodule, is used for then being defined as being connected with external network communication apparatus when described television set microprocessor recognizes high level.
The present invention also proposes a kind of television set, comprises television set network switching device shifter, and this television set network switching device shifter is connected with external network with the television set chip of television set inside, the external network communication apparatus of television set outside; Described television set network switching device shifter comprises the identification signal transmission circuit, television set microprocessor and internal network commutation circuit, described identification signal transmission circuit, receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor, this television set microprocessor sends switch-over control signal to described internal network commutation circuit, control described internal network commutation circuit blocking-up or connection, and then control connection is in described television set chip and the transmission of the network signal between the external network blocking-up or the connection at described internal network commutation circuit two ends.
Preferably, described internal network commutation circuit comprises:
ON-OFF control circuit receives the switch-over control signal of described television set microprocessor, output switch control signal;
Switch switching circuit connects described television set chip and external network, receives the switch controlling signal that described ON-OFF control circuit sends, and controls described switch switching circuit blocking-up or connection.
Preferably, described ON-OFF control circuit comprises triode, and described switch switching circuit comprises that switch switches chip;
The base stage of described triode receives the switch-over control signal that described television set microprocessor sends through first resistance, and the collector electrode transmit button control signal of this triode is switched first control end of chip to described switch; The collector electrode of described triode connects supply voltage, the grounded emitter of this triode through second resistance; Second control end that described switch switches chip receives the switch-over control signal that described television set microprocessor sends, the external network signaling interface that this switch switches chip receives the network signal that described external network sends, and the internal network signaling interface that this switch switches chip sends to described television set chip with network signal.
Preferably, described identification signal transmission circuit comprises the 3rd resistance, the 4th resistance and electric capacity, the identification signal output of described external network communication apparatus is through capacity earth, this identification signal output also connects the input of described television set microprocessor through described the 3rd resistance, the input of this television set microprocessor is through described the 4th grounding through resistance.
The present invention utilizes television set network switching device shifter, makes television set when connecting external network communication apparatus, arrives television set chip by television set network switching device shifter Control Network signal by external network communication device transmission; When not connecting external network communication apparatus, directly be transferred on the television set chip by television set network switching device shifter Control Network signal; Realize the automatic switchover of television set network, reduce artificial participation process, simple to operate; System structure design is simple, effectively reduces cost.
Description of drawings
Fig. 1 is the flow chart of television set method for switching network in one embodiment of the invention;
Fig. 2 is the flow chart of steps that control internal network transmission channel is blocked or is communicated with in one embodiment of the invention;
Fig. 3 detects the flow chart of steps that whether connects external network communication apparatus in one embodiment of the invention;
Fig. 4 is the structural representation of television set network switching device shifter in one embodiment of the invention;
Fig. 5 is the structural representation of internal network blocking-up module in one embodiment of the invention;
Fig. 6 is the structural representation of internal network connectivity module in one embodiment of the invention;
Fig. 7 is the structural representation of external network communication apparatus detection module in one embodiment of the invention;
Fig. 8 is the structural representation that television set network switching device shifter and television set chip, external network communication apparatus are connected with external network in one embodiment of the invention;
Fig. 9 is the structural representation of internal network commutation circuit in one embodiment of the invention;
Figure 10 is the circuit diagram of ON-OFF control circuit in one embodiment of the invention;
Figure 11 is the circuit diagram of switch switching circuit in one embodiment of the invention;
Figure 12 is the circuit diagram of identification signal transmission circuit in one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, Fig. 1 is the flow chart of television set method for switching network in one embodiment of the invention.As shown in Figure 1, in the embodiment of the invention, the television set method for switching network may further comprise the steps:
Step S10 detects whether connect external network communication apparatus;
Present embodiment judges by the I/O control port of television set microprocessor detection television set whether the I/O control port is connected with external network communication apparatus.
Step S20, when connecting described external network communication apparatus, the blocking-up of control internal network transmission channel, network signal sends to television set chip through described external network communication apparatus;
In the present embodiment, when the I/O control port that detects television set when the television set microprocessor is connected with external network communication apparatus, television set microprocessor output cut-off signals, control internal network transmission channel is in blocking state, network signal is admitted to external network communication apparatus, and by external network communication apparatus network signal is assigned to television set chip.
Step S30, when not connecting described external network communication apparatus, control internal network transmission channel is communicated with, and network signal directly sends to described television set chip.
In the present embodiment, when the television set microprocessor by detection to the I/O control port of television set, when not detected external network communication apparatus and connecting, the output of television set microprocessor connects signal, control internal network transmission channel is communicated with, and network signal directly sends to television set chip.
Whether the embodiment of the invention can install external network communication apparatus by detecting, and realizes the switching to the television set network signal, reduces artificial participation process, simple to operate.
With reference to Fig. 2, Fig. 2 is the flow chart of steps of middle control internal network transmission channel blocking-up embodiment illustrated in fig. 1 or connection.As shown in Figure 2, in the foregoing description, step S20 specifically comprises:
Step S21 is made as high-impedance state with the internal network commutation circuit, and the blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Above-mentioned steps S30 specifically comprises: step S31, described internal network commutation circuit is made as connected state, and external network is connected to described television set chip.
Present embodiment is connected with the internal network commutation circuit between television set chip and television set network input interface, blocking-up by television set microprocessor control internal network commutation circuit, network signal directly is not transferred on the television set chip, but by being connected the external network communication device transmission network signal on the television set chip.When external network communication apparatus and television set disconnection, television set microprocessor control internal network commutation circuit is communicated with, and network signal is transferred on the television set chip through the internal network commutation circuit.Above-mentioned internal network commutation circuit comprises that triode and switch switch chip, exports high/low level signal by the television set microprocessor, the conducting of control triode or end.When television set microprocessor output low level, end through transistor base control triode, transistor collector output high level, the low level of television set microprocessor output is switched the chip conducting with the high level control switch of transistor collector output, and network signal switches chip by switch and sends to television set chip; When television set microprocessor output high level, through the conducting of transistor base control triode, the transistor collector output low level, the high level of television set microprocessor output ends with the low level control switch switching chip of transistor collector output, network signal can not switch chip by switch and arrive television set chip, but transmits by external network communication apparatus.The said structure simplicity of design can effectively reduce cost.
With reference to Fig. 3, whether Fig. 3 connects the flow chart of steps of external network communication apparatus for detection in embodiment illustrated in fig. 1.As shown in Figure 3, above-mentioned steps S10 comprises:
Step S11 utilizes the identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and sends to described television set microprocessor identification;
Step S12 when described television set microprocessor recognizes high level, then is defined as being connected with external network communication apparatus.
In the present embodiment, when external network communication apparatus is connected with television set, television set is external network communication power devices, make the identification signal of external network communication apparatus output high level, be transferred to the input of television set microprocessor through the identification signal transmission circuit, for the identification of television set microprocessor.Above-mentioned identification signal transmission circuit comprises a low-pass filter circuit and a current-limiting resistance, and structural design is simple, can effectively reduce cost.
With reference to Fig. 4 to Fig. 6, Fig. 4 is the structural representation of television set network switching device shifter in one embodiment of the invention; Fig. 5 is the structural representation of network blocking-up module in the television set micronetwork switching device shifter shown in Figure 4, and Fig. 6 is the structural representation of network-in-dialing module in the television set network switching device shifter shown in Figure 4; Fig. 7 is the structural representation of external network communication apparatus detection module in the television set network switching device shifter.
As shown in Figure 4, in the embodiment of the invention, television set network switching device shifter 10 comprises:
External network communication Equipment Inspection module 111 is used for detecting whether connect external network communication apparatus;
Internal network blocking-up module 112 is used for when external network communication Equipment Inspection module detects described external network communication apparatus, and control internal network transmission channel is blocked, and network signal sends to television set chip through described external network communication apparatus;
Internal network connectivity module 113 is used for when external network communication Equipment Inspection module does not detect described external network communication apparatus, and control internal network transmission channel is communicated with, and network signal directly sends to described television set chip.
Present embodiment judges by the I/O control port of the external network communication Equipment Inspection module 111 detection television sets of television set network switching device shifter 10 whether the I/O control port is connected with external network communication apparatus.When the I/O control port that detects television set when external network communication Equipment Inspection module 111 is connected with external network communication apparatus, internal network blocking-up module 112 output cut-off signals, the blocking-up of control internal network transmission channel, network signal is admitted to external network communication apparatus, and by external network communication apparatus network signal is assigned to television set chip; When external network communication Equipment Inspection module 111 had not detected external network communication apparatus and connects, 113 outputs of internal network connectivity module connected signals, and control internal network transmission channel is communicated with, and network signal directly sends to television set chip.Whether the embodiment of the invention can install external network communication apparatus by detecting, and realizes the switching to the television set network signal, reduces artificial participation process, simple to operate.
As shown in Figure 5, above-mentioned internal network blocking-up module 112 comprises: commutation circuit blocking-up submodule 1120, be used for the internal network commutation circuit is made as high-impedance state, the blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Present embodiment is connected with the internal network commutation circuit between television set chip and television set network input interface, blocking-up by commutation circuit blocking-up submodule 1120 control internal network commutation circuits, network signal directly is not transferred on the television set chip, but by being connected the external network communication device transmission network signal on the television set chip.
As shown in Figure 6, above-mentioned internal network connectivity module 113 comprises: commutation circuit blocking-up submodule 1130, be used for described internal network commutation circuit is made as connected state, and external network is connected to described television set chip.
When external network communication apparatus and television set disconnection, commutation circuit blocking-up submodule 1130 control internal network commutation circuits are communicated with, and network signal is transferred on the television set chip through the internal network commutation circuit.
Above-mentioned internal network commutation circuit comprises that triode and switch switch chip, exports high/low level signal by the television set microprocessor, the conducting of control triode or end.When television set microprocessor output high level, through the conducting of transistor base control triode, the transistor collector output low level, the high level of television set microprocessor output ends with the low level control switch switching chip of transistor collector output, network signal can not switch chip by switch and arrive television set chip, but transmits by external network communication apparatus; When television set microprocessor output low level, end through transistor base control triode, transistor collector output high level, the low level of television set microprocessor output is switched the chip conducting with the high level control switch of transistor collector output, and network signal switches chip by switch and sends to television set chip.The said structure simplicity of design can effectively reduce cost.
As shown in Figure 7, above-mentioned external network communication Equipment Inspection module 111 specifically comprises:
Identification signal transmission submodule 1111 is used to utilize the identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and sends to described television set microprocessor identification;
Peripheral hardware connects determines submodule 1112, is used for then being defined as being connected with external network communication apparatus when described television set microprocessor recognizes high level.
In the present embodiment, when external network communication apparatus is connected with television set, television set is external network communication power devices, make the identification signal of external network communication apparatus output high level, be transferred to the input of television set microprocessor through the identification signal transmission circuit, for external network communication Equipment Inspection module 111 identifications of television set network switching device shifter 10.Above-mentioned identification signal transmission circuit comprises a low-pass filter circuit and a current-limiting resistance, and structural design is simple, can effectively reduce cost.
With reference to Fig. 8 to Figure 12, Fig. 8 is the structural representation that television set network switching device shifter and television set chip, external network communication apparatus are connected with external network in one embodiment of the invention; Fig. 9 is the structural representation of internal network commutation circuit in the television set network switching device shifter shown in Figure 8; Figure 10 is the structural representation of ON-OFF control circuit in the internal network commutation circuit shown in Figure 9; Figure 11 is the structural representation of switch switching circuit in the internal network commutation circuit shown in Figure 9; Figure 12 is the structural representation of identification signal transmission circuit in the television set network switching device shifter shown in Figure 8.
As shown in Figure 8, in the embodiment of the invention, television set comprises television set network switching device shifter 10, and this television set network switching device shifter 10 is connected with external network 40 with the television set chip 30 of television set inside, the external network communication apparatus 20 of television set outside; Described television set network switching device shifter 10 comprises identification signal transmission circuit 12, television set microprocessor 11 and internal network commutation circuit 13, described identification signal transmission circuit 12, receive the identification signal of described external network communication apparatus 20 outputs, and send to described television set microprocessor 11, this television set microprocessor 11 sends switch-over control signal to described internal network commutation circuit 13, control described internal network commutation circuit 13 blocking-up or connection, and then control connection is in described television set chip 30 and the transmission of the network signal between the external network 40 blocking-up or the connection at described internal network commutation circuit 13 two ends.
Present embodiment judges by the I/O control port of television set microprocessor 11 detection television sets whether the I/O control port is connected with external network communication apparatus 20.When external network communication apparatus 20 is connected with television set, television set is to external network communication apparatus 20 power supplies, make external network communication apparatus 20 send identification signal and arrive television set microprocessor 11 through identification signal transmission circuit 12, television set microprocessor 11 output cut-off signals, 13 blocking-up of control internal network commutation circuit, internal network transmission channel blocking-up this moment, network signal is admitted to external network communication apparatus 20, and by external network communication apparatus 20 network signal is assigned to television set chip 30; When television set does not connect external network communication apparatus 20,11 outputs of television set microprocessor connect signals, and control internal network commutation circuit 13 is communicated with, and this moment, the internal network transmission channel was communicated with, and network signal directly sends to television set chip 30.Whether the embodiment of the invention can install external network communication apparatus 20 by detecting, and realizes the switching to the television set network signal, reduces artificial participation process, simple to operate.
As shown in Figure 9, the internal network commutation circuit 13 of above-mentioned television set network switching device shifter 10 comprises:
ON-OFF control circuit 131 receives the switch-over control signal of described television set microprocessor 11, output switch control signal;
In the present embodiment, when television set microprocessor 11 output low level control signals, ON-OFF control circuit 131 output high level signals, and then control switch commutation circuit 132 is communicated with; When television set microprocessor 11 output high-level control signal, ON-OFF control circuit 131 output low level signals, and then 132 blocking-up of control switch commutation circuit.Above-mentioned ON-OFF control circuit 131 plays the effect of driving switch, and control switch commutation circuit 132 is finished the connection and the disconnection of internal path.Specific embodiments is described in detail in subsequent embodiment.
As shown in figure 10, the ON-OFF control circuit 131 of above-mentioned internal network commutation circuit 13 comprises triode Q, the base stage of described triode Q receives the switch-over control signal that above-mentioned television set microprocessor 11 sends through first resistance R 1, and the collector electrode transmit button control signal of this triode Q is to the first control end NS_S of above-mentioned switch switching circuit 132; The collector electrode of described triode Q also connects supply voltage VCC, the grounded emitter of this triode Q through second resistance R 2.
In the present embodiment, by the signal input end NS_EN of the high/low level of television set microprocessor 11 outputs to ON-OFF control circuit 131, control signal is controlled triode Q conducting or is ended.When television set microprocessor 11 output high-level control signal, through the base stage control triode Q of triode Q conducting, the collector electrode output low level of triode Q, high level control switch commutation circuit 132 blocking-up with 11 outputs of television set microprocessor, network signal can not arrive television set chip 30 by switch switching circuit 132, but transmits by external network communication apparatus 20; When television set microprocessor 11 output low level control signals, base stage control triode Q through triode Q ends, triode Q collector electrode output high level, low level control switch commutation circuit 132 with 11 outputs of television set microprocessor is communicated with, and network signal sends to television set chip 30 by switch switching circuit 132.Present embodiment is by the control switch of triode Q as internal network commutation circuit 13, and project organization is simple, easily realizes, can effectively reduce cost.
As shown in figure 11, the switch switching circuit 132 of above-mentioned internal network commutation circuit 13 comprises that switch switches chip U, the first control end NS_S of this switch switching chip U receives the switch controlling signal of the collector electrode output of above-mentioned triode Q, the second control end NS_EN that this switch switches chip U receives the switch-over control signal that described television set microprocessor 11 sends, and switch controlling signal is communicated with the common control switch switching of switch-over control signal chip U or turn-offs; External network signaling interface RX+, RX-, TX+, TX-that this switch switches chip U receive the network signal that described external network 40 sends, and internal network signaling interface MDI-RP, MDI-RN, MDI-TP, MDI-TN that this switch switches chip U send to described television set chip 30 with network signal.
Present embodiment is exported high/low level controling signal control switch by the collector electrode of television set microprocessor 11 and triode Q and is switched chip U connection or shutoff.When the collector electrode of television set microprocessor 11 output low levels, triode Q was exported high level, switch switched chip U conducting, and the network signal that external network 40 sends switches chip U through switch and outputs to television set chip 30; When television set microprocessor 11 is exported the collector electrode output low level of high level, triode Q, switch switches chip U to be ended, the network signal that external network 40 sends can not switch chip U by switch and send to television set chip 30, but arrives television set chip 30 by external network communication apparatus 20.The foregoing description adopts switch to switch chip U as connection/blocking-up module, and connection or blocking-up by control internal network transmission channel realize the switching of network, and project organization is simple, realizes that easily production cost is lower.
As shown in figure 12, the identification signal transmission circuit 12 of above-mentioned television set network switching device shifter 10 comprises the 3rd resistance R 3, the 4th resistance R 4 and capacitor C, the identification signal output PCTV-EXIT of described external network communication apparatus 20 is through capacitor C ground connection, this identification signal output PCTV-EXIT also connects the input GPIO_6 of described television set microprocessor 11 through described the 3rd resistance R 3, the input GPIO_6 of this television set microprocessor 11 is through described the 4th resistance R 4 ground connection.
In the present embodiment, the identification signal output PCTV-EXIT of external network communication apparatus 20 is connected with the I/O control end of television set, by detecting the I/O control end of television set, judges whether to connect external network communication apparatus 20.Above-mentioned the 3rd resistance R 3 and capacitor C constitute a low-pass filter circuit, when external network communication apparatus 20 is connected with television set, television set is to external network communication apparatus 20 power supplies, make the identification signal of the identification signal output PCTV-EXIT output high level of external network communication apparatus 20, be transferred to the input GPIO_6 of television set microprocessor 11 through identification signal transmission circuit 12, for 11 identifications of television set microprocessor.In addition, present embodiment also is parallel with the 4th resistance R 4 at the input GPIO_6 of television set microprocessor 11, as current-limiting resistance, when not having external external network communication apparatus 20, the 4th resistance R 4 drags down the incoming level of input GPIO_6, can pick out thus not connect external network communication apparatus 20.The present embodiment structural design is simple, easily realizes, can effectively reduce production costs.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a television set method for switching network is characterized in that, comprises step:
Detect and whether connect external network communication apparatus;
When connecting described external network communication apparatus, the blocking-up of control internal network transmission channel, network signal sends to television set chip through described external network communication apparatus;
When not connecting described external network communication apparatus, control internal network transmission channel is communicated with, and network signal directly sends to described television set chip.
2. television set method for switching network according to claim 1 is characterized in that:
Described control internal network transmission channel blocking-up comprises: the internal network commutation circuit is made as high-impedance state, and the blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Described control internal network transmission channel is communicated with and comprises: described internal network commutation circuit is made as connected state, and external network is connected to described television set chip.
3. television set method for switching network according to claim 1 is characterized in that, whether described detection connects external network communication apparatus comprises:
Utilize the identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor identification;
When described television set microprocessor recognizes high level, then be defined as being connected with external network communication apparatus.
4. a television set network switching device shifter is characterized in that, comprising:
External network communication Equipment Inspection module is used for detecting whether connect external network communication apparatus;
Internal network blocking-up module is used for when external network communication Equipment Inspection module detects described external network communication apparatus, and control internal network transmission channel is blocked, and network signal sends to television set chip through described external network communication apparatus;
The internal network connectivity module is used for when external network communication Equipment Inspection module does not detect described external network communication apparatus, and control internal network transmission channel is communicated with, and network signal directly sends to described television set chip.
5. television set network switching device shifter according to claim 4 is characterized in that:
Described internal network blocking-up module comprises: commutation circuit blocking-up submodule, be used for the internal network commutation circuit is made as high-impedance state, the blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Described internal network connectivity module comprises: commutation circuit blocking-up submodule, be used for described internal network commutation circuit is made as connected state, and external network is connected to described television set chip.
6. television set network switching device shifter according to claim 4 is characterized in that, described external network communication Equipment Inspection module comprises:
Identification signal transmission submodule is used to utilize the identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and sends to described television set microprocessor identification;
Peripheral hardware connects determines submodule, is used for then being defined as being connected with external network communication apparatus when described television set microprocessor recognizes high level.
7. television set, it is characterized in that, comprise that this television set network switching device shifter is connected with external network with the television set chip of television set inside, the external network communication apparatus of television set outside as each described television set network switching device shifter of claim 4 to 6; Described television set network switching device shifter comprises the identification signal transmission circuit, television set microprocessor and internal network commutation circuit, described identification signal transmission circuit, receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor, this television set microprocessor sends switch-over control signal to described internal network commutation circuit, control described internal network commutation circuit blocking-up or connection, and then control connection is in described television set chip and the transmission of the network signal between the external network blocking-up or the connection at described internal network commutation circuit two ends.
8. television set according to claim 7 is characterized in that, described internal network commutation circuit comprises:
ON-OFF control circuit receives the switch-over control signal of described television set microprocessor, output switch control signal;
Switch switching circuit connects described television set chip and external network, receives the switch controlling signal that described ON-OFF control circuit sends, and controls described switch switching circuit blocking-up or connection.
9. television set according to claim 8 is characterized in that described ON-OFF control circuit comprises triode, and described switch switching circuit comprises that switch switches chip;
The base stage of described triode receives the switch-over control signal that described television set microprocessor sends through first resistance, and the collector electrode transmit button control signal of this triode is switched first control end of chip to described switch; The collector electrode of described triode connects supply voltage, the grounded emitter of this triode through second resistance; Second control end that described switch switches chip receives the switch-over control signal that described television set microprocessor sends, the external network signaling interface that this switch switches chip receives the network signal that described external network sends, and the internal network signaling interface that this switch switches chip sends to described television set chip with network signal.
10. television set according to claim 7, it is characterized in that, described identification signal transmission circuit comprises the 3rd resistance, the 4th resistance and electric capacity, the identification signal output of described external network communication apparatus is through capacity earth, this identification signal output also connects the input of described television set microprocessor through described the 3rd resistance, the input of this television set microprocessor is through described the 4th grounding through resistance.
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TWI569605B (en) * | 2015-07-03 | 2017-02-01 | 營邦企業股份有限公司 | JBOD apparatus having BMC module and controlling method of the JBOD apparatus |
US10025742B2 (en) | 2015-09-22 | 2018-07-17 | Aic Inc. | JBOD apparatus having BMC module and controlling method for the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101778197A (en) * | 2010-01-25 | 2010-07-14 | 上海享云信息系统有限公司 | Set-top box extension system |
CN201550182U (en) * | 2009-11-12 | 2010-08-11 | 福建创频数码科技有限公司 | Two-way interactive digital television set-top-box with built-in cable modem |
CN201601680U (en) * | 2010-03-24 | 2010-10-06 | 青岛海信电器股份有限公司 | Wireless network module and network television with the same |
CN201878258U (en) * | 2010-11-04 | 2011-06-22 | 天津三星电子显示器有限公司 | Television (TV) used for on-line games |
-
2011
- 2011-06-27 CN CN201110175974.XA patent/CN102223499B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201550182U (en) * | 2009-11-12 | 2010-08-11 | 福建创频数码科技有限公司 | Two-way interactive digital television set-top-box with built-in cable modem |
CN101778197A (en) * | 2010-01-25 | 2010-07-14 | 上海享云信息系统有限公司 | Set-top box extension system |
CN201601680U (en) * | 2010-03-24 | 2010-10-06 | 青岛海信电器股份有限公司 | Wireless network module and network television with the same |
CN201878258U (en) * | 2010-11-04 | 2011-06-22 | 天津三星电子显示器有限公司 | Television (TV) used for on-line games |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105208438A (en) * | 2015-09-24 | 2015-12-30 | 深圳市九洲电器有限公司 | Function switching circuit and gateway type set top box |
CN105208438B (en) * | 2015-09-24 | 2018-09-25 | 深圳市九洲电器有限公司 | Function switch circuit and gateway formula set-top box |
Also Published As
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