CN101655257A - Electronic equipment - Google Patents
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- CN101655257A CN101655257A CN200810144974A CN200810144974A CN101655257A CN 101655257 A CN101655257 A CN 101655257A CN 200810144974 A CN200810144974 A CN 200810144974A CN 200810144974 A CN200810144974 A CN 200810144974A CN 101655257 A CN101655257 A CN 101655257A
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Abstract
The invention provides electronic equipment provided with a plurality of components. The electronic equipment comprises a first component, a second component and a fault secure circuit, wherein the fault of the first component is directly correlated with the risk in security of the electronic equipment. Even when the second component has a fault, the fault of the second component does not have a side effect on the security of the electronic equipment, but can make the electronic equipment lose a main function. The fault secure circuit is used for stopping the operation of the second component.
Description
Technical field
The present invention relates to electronic equipment, this electronic equipment is equipped with: its fault can directly combine the assembly of (couple to) with the risk about the secure context of electronic equipment; And another assembly, even when the assembly of mentioning later has fault, though this fault can not apply negative effect to the security of this electronic equipment, the fault of this assembly also makes electronic equipment lose its major function.
Background technology
Figure 12 is the block diagram that is used to illustrate the traditional product 100 with failure safe (fail-safe) function.Product 100 shown in Figure 12 is equipped with such assembly 110, and this assembly 110 comprises timing unit 120, sequencer (sequencer) 130 and memory cell 140.The assembly 110 that provides in product 100 has the failure safe function.Memory cell 140 is provided with random time.When plus coujnt (count up) operation was carried out in timing unit 120, when having passed through the preset time that memory cell 140 is provided with, timing unit 120 stopped sequencer 130.Can improve the safety (for example, the referenced patent open file 1) of end-of-life (lifetime end) in the above described manner.
Patent publication 1:JP-A-7-049151
In product shown in Figure 12 100, when having passed through the scheduled time of any setting, stop the operation of assembly 110, so that improve the safety of end-of-life.Should be appreciated that usually when product was equipped with the assembly of many types and various patterns, according to assembly, because the grade of the fault that degenerate (deterioration) causes differs from one another, described degeneration can apply negative effect for the risk of the secure context of product.In other words, have such assembly: even when these assemblies have fault, its fault can not apply any negative effect to the main operation and the security of product yet; Yet have such assembly: if these assemblies have fault, its fault may apply very big negative effect for the operation and the security of product.In addition, even when assembly has fault,, may apply negative effect for the operation of product though may not can apply negative effect for the security of assembly.
Summary of the invention
The objective of the invention is the electronic equipment of its security when a kind of end-of-life that can further improve when electronic equipment is provided.
The present invention will provide such electronic equipment, it is characterized in that: electronic equipment has a plurality of assemblies, and this electronic equipment comprises: first assembly, and its fault directly combines with risk about the secure context of electronic equipment; Second assembly, by this second assembly, even when second assembly has fault, though the fault of second assembly can not apply negative effect to the security of electronic equipment, the fault of second assembly also makes electronic equipment lose its major function; And fault secure circuit, be used to stop the operation of second assembly.
In aforesaid electronic equipment, in second assembly, provide fault secure circuit.
The present invention will provide such electronic equipment, it is characterized in that: electronic equipment has a plurality of assemblies, and this electronic equipment comprises: first assembly, and its fault directly combines with risk about the secure context of electronic equipment; Second assembly, by this second assembly, even when second assembly has fault, though the fault of second assembly can not apply negative effect to security of products, the fault of second assembly also makes product lose its major function; Power circuit, being used for control provides electrical power to second assembly; And fault secure circuit, this fault secure circuit is operated as follows: when fault secure circuit monitors the situation of first assembly, when fault secure circuit detected the problem of first assembly, fault secure circuit control power circuit provided electrical power so that stop to second assembly.
The present invention will provide such electronic equipment, it is characterized in that: electronic equipment has a plurality of assemblies, and this electronic equipment comprises: first assembly, and its fault directly combines with risk about the secure context of electronic equipment; Second assembly, by this second assembly, even when second assembly has fault, though the fault of second assembly can not apply negative effect to the security of electronic equipment, the fault of second assembly also makes electronic equipment lose its major function; Clock control circuit is used to control the clock signal that provides to second assembly; And fault secure circuit, this fault secure circuit is operated as follows: when fault secure circuit monitors the situation of first assembly, when fault secure circuit detected the problem of first assembly, fault secure circuit control clock control circuit provided clock signal so that stop to second assembly.
The present invention will provide such electronic equipment, it is characterized in that: electronic equipment has a plurality of assemblies, and this electronic equipment comprises: first assembly, and its fault directly combines with risk about the secure context of electronic equipment; Second assembly, by this second assembly, even when second assembly has fault, though the fault of second assembly can not apply negative effect to the security of electronic equipment, the fault of second assembly also makes electronic equipment lose its major function; Reset control circuit, second assembly is used to reset; And fault secure circuit, this fault secure circuit is operated as follows: when fault secure circuit monitors the situation of first assembly, when fault secure circuit detects the problem of described first assembly, fault secure circuit control reset control circuit is so that remain under its reset mode second assembly.
The present invention will provide such electronic equipment, it is characterized in that: electronic equipment has a plurality of assemblies, and this electronic equipment comprises: first assembly, and its fault directly combines with risk about the secure context of electronic equipment; Second assembly, by this second assembly, even when second assembly has fault, though the fault of second assembly can not apply negative effect to the security of electronic equipment, the fault of second assembly also makes electronic equipment lose its major function; Data line control circuit is used to control the data wire of second assembly; And fault secure circuit, this fault secure circuit is operated as follows: when fault secure circuit monitors the situation of first assembly, when fault secure circuit detects the problem of first assembly, fault secure circuit control data line control circuit is so that make the data wire of second assembly enter uncontrolled state.
The present invention will provide such electronic equipment, it is characterized in that: electronic equipment has a plurality of assemblies, and this electronic equipment comprises: first assembly, and its fault directly combines with risk about the secure context of electronic equipment; Second assembly, by this second assembly, even when second assembly has fault, though the fault of second assembly can not apply negative effect to the security of electronic equipment, the fault of second assembly also makes electronic equipment lose its major function; The control line control circuit is used to control the control line of second assembly; And fault secure circuit, this fault secure circuit is operated as follows: when fault secure circuit monitors the situation of first assembly, when fault secure circuit detects the problem of first assembly, fault secure circuit control control line control circuit is so that make the control line of second assembly enter uncontrolled state.
The present invention will provide such electronic equipment, it is characterized in that: electronic equipment has a plurality of assemblies, and this electronic equipment comprises: first assembly, and its fault directly combines with risk about the secure context of electronic equipment; Second assembly, by this second assembly, even when second assembly has fault, though the fault of second assembly can not apply negative effect to the security of electronic equipment, the fault of second assembly also makes electronic equipment lose its major function; The address wire control circuit is used to control the address wire of second assembly; And fault secure circuit, this fault secure circuit is operated as follows: when fault secure circuit monitors the situation of first assembly, when fault secure circuit detects the problem of first assembly, fault secure circuit control address wire control circuit is so that make the address wire of second assembly enter uncontrolled state.
In electronic equipment described above, when fault secure circuit detected the situation of first assembly and detects the problem of first assembly in response to the signal that sends from external equipment, fault secure circuit stopped the operation of second assembly.
In electronic equipment described above, detected the problem of first assembly in fault secure circuit after, when fault secure circuit receives when stopping the command signal of operation of second assembly from external equipment being used to of sending, fault secure circuit stops the operation of second assembly.
In electronic equipment described above, the command signal that sends from external equipment is via the signal of network from its transmission.
In electronic equipment described above, when from about the indicated effluxion of the temporal information of the initial operation of the purchase of electronic equipment or electronic equipment during the scheduled time, fault secure circuit stops the operation of second assembly.
In electronic equipment described above, after having passed through the scheduled time, when fault secure circuit receives when stopping the command signal of operation of second assembly from external equipment being used to of sending, fault secure circuit stops the operation of second assembly.
In electronic equipment described above, external equipment is the recharging device (recharging device) of electronic equipment.
According to about electronic equipment of the present invention, can further improve its security when end-of-life.In other words, mode that can safety arrives the end of life of product.
Description of drawings
Fig. 1 is the block diagram that is used to illustrate the product with failure safe function of first embodiment of the invention.
Fig. 2 is the block diagram that is used to illustrate the product with failure safe function second embodiment of the invention.
Fig. 3 is the block diagram that is used to illustrate the product with failure safe function according to the 3rd embodiment of the present invention.
Fig. 4 is the block diagram that is used to illustrate the product with failure safe function according to the 4th embodiment of the present invention.
Fig. 5 is the block diagram that is used to illustrate the product with failure safe function according to the 5th embodiment of the present invention.
Fig. 6 is the block diagram that is used to illustrate the product with failure safe function according to the 6th embodiment of the present invention.
Fig. 7 is the block diagram that is used to illustrate the product with failure safe function according to the 7th embodiment of the present invention.
Fig. 8 is the block diagram that is used to illustrate the product with failure safe function according to the 8th embodiment of the present invention.
Fig. 9 is the block diagram that is used to illustrate the product with failure safe function according to the 9th embodiment of the present invention.
Figure 10 is the block diagram that is used to illustrate the product with failure safe function according to the tenth embodiment of the present invention.
Figure 11 is the block diagram that is used to illustrate the product with failure safe function according to the 11 embodiment of the present invention.
Figure 12 is the block diagram that is used to illustrate the product with failure safe function according to conventional art.
The specific embodiment
With reference now to accompanying drawing,, to being described of embodiments of the present invention.
(first embodiment)
Fig. 1 is the block diagram that is used to illustrate the product with failure safe function of first embodiment of the invention.Product 200 shown in Fig. 1 is equipped with the assembly 210 with feature operation circuit 211, the assembly 220 with feature operation circuit 221 and fault secure circuit 230.
The assembly that assembly 210 can directly combine with the risk about the secure context of product 200 corresponding to its fault.Assembly 220 is such assemblies: even when assembly 220 has fault, though this fault can not apply negative effect to the security of product 200, the fault of assembly 220 also makes product 200 lose its major function.Feature operation circuit 211 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 210 200.Feature operation circuit 221 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 220 200.Fault secure circuit 230 is corresponding to the circuit of the operation of hold function function circuit 221.
In the first embodiment, owing to fault secure circuit 230 is installed in outside assembly 210 and 220, so, fault secure circuit 230 can be installed on any position in the product 200.
(second embodiment)
Fig. 2 is the block diagram that is used to illustrate the product with failure safe function second embodiment of the invention.Product 300 shown in Fig. 2 is equipped with the assembly 310 with feature operation circuit 311 and has feature operation circuit 321 and another assembly 320 of fault secure circuit 330.
The assembly that assembly 310 can directly combine with the risk about the secure context of product 300 corresponding to its fault.Assembly 320 is such assemblies: even when assembly 320 has fault, though this fault can not apply negative effect to the security of product 300, the fault of assembly 320 also makes product 300 lose its major function.Feature operation circuit 311 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 310 300.Feature operation circuit 321 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 320 300.Fault secure circuit 330 is corresponding to the circuit of the operation of hold function function circuit 321.
In second embodiment, even when assembly 320 has fault, though may not can the security of product 300 be applied negative effect, the assembly 320 that its fault can make product 300 lose major function also comprises fault secure circuit 330.As a result, in the time can in assembly 320, confirming problem,, can make assembly 320 enter malfunction wittingly by fault secure circuit 330.Therefore, when making assembly 320 enter malfunction, can control product 300 inoperation, make security when can increase end-of-life when product 300.
(the 3rd embodiment)
Fig. 3 is the block diagram that is used to illustrate the product with failure safe function according to the 3rd embodiment of the present invention.Product 400 shown in Fig. 3 is equipped with the assembly 410 with feature operation circuit 411 and has feature operation circuit 421 and the assembly 420 of fault secure circuit 430.Feature operation circuit 421 comprises power circuit 422.
The assembly that assembly 410 can directly combine with the risk about the secure context of product 400 corresponding to its fault.Assembly 420 is such assemblies: even when assembly 420 has fault, though this fault can not apply negative effect to the security of product 400, the fault of assembly 420 also makes product 400 lose its major function.Feature operation circuit 411 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 410 400.Feature operation circuit 421 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 420 400.Power circuit 422 promptly, is operated required circuit in order to make feature operation circuit 421 under normal operation corresponding to the circuit that the electrical power of controlling feature operation circuit 421 provides.Fault secure circuit 430 is corresponding to following circuit: promptly, in the situation of fault secure circuit 430 continuous monitoring feature operation circuit 411, when fault secure circuit 430 detects the problem of the feature operation circuit 411 that causes owing to degeneration etc., fault secure circuit 430 controls are included in the power circuit 422 in the feature operation circuit 421, so that stop electrical power being provided to feature operation circuit 421.Should also be noted that replacedly, fault secure circuit 430 can be installed on outside the assembly 420.
In the 3rd embodiment, when fault secure circuit 430 continuous monitorings are included in the situation of the feature operation circuit 411 in the assembly 410 that its fault can directly combine with the secure context of product 400, when fault secure circuit 430 detects the problem of feature operation circuit 411, the operation of fault secure circuit 430 hold function function circuits 421.If stopped the operation of feature operation circuit 421, then assembly 420 inoperation, still, if assembly 420 inoperation, then also inoperation of assembly 410.Therefore, may avoid the following incident of mentioning: just, when the fault of the assembly 410 that its fault can directly combine with the risk about the secure context of product 400 continued, product 400 continued operation, makes assembly 410 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 400.
(the 4th embodiment)
Fig. 4 is the block diagram that is used to illustrate the product with failure safe function according to the 4th embodiment of the present invention.Product 500 shown in Fig. 4 is equipped with the assembly 510 with feature operation circuit 511 and has feature operation circuit 521 and the assembly 520 of fault secure circuit 530.Feature operation circuit 521 comprises clock control circuit 522.
The assembly that assembly 510 can directly combine with the risk about the secure context of product 500 corresponding to its fault.Assembly 520 is such assemblies: even when assembly 520 has fault, though this fault can not apply negative effect to the security of product 500, the fault of assembly 520 also makes product 500 lose its major function.Feature operation circuit 511 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 510 500.Feature operation circuit 521 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 520 500.Clock control circuit 522 promptly, is operated required circuit in order to make feature operation circuit 521 under normal operation corresponding to controlling the circuit that clock signal is provided to feature operation circuit 521.Fault secure circuit 530 is corresponding to following circuit: promptly, in the situation of fault secure circuit 530 continuous monitoring feature operation circuit 511, when fault secure circuit 530 detects the problem of the feature operation circuit 511 that causes owing to degeneration etc., fault secure circuit 530 controls are included in the clock control circuit 522 in the feature operation circuit 521, provide clock signal so that stop to feature operation circuit 521.Should also be noted that replacedly, fault secure circuit 530 can be installed on outside the assembly 520.
In the 4th embodiment, when fault secure circuit 530 continuous monitorings are included in the situation of the feature operation circuit 511 in the assembly 510 that its fault can directly combine with the secure context of product 500, when fault secure circuit 530 detected the problem of feature operation circuit 511, fault secure circuit 530 stopped to provide clock signal to feature operation circuit 521.If stop to provide clock signal to feature operation circuit 521, then assembly 520 inoperation, still, if assembly 520 inoperation, then also inoperation of assembly 510.Therefore, may avoid the following incident of mentioning: just, when the fault of the assembly 510 that its fault can directly combine with the risk about the secure context of product 500 continued, product 500 continued operation, makes assembly 510 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 500.
(the 5th embodiment)
Fig. 5 is the block diagram that is used to illustrate the product with failure safe function according to the 5th embodiment of the present invention.Product 600 shown in Fig. 5 is equipped with the assembly 610 with feature operation circuit 611 and has feature operation circuit 621 and the assembly 620 of fault secure circuit 630.Feature operation circuit 621 comprises reset control circuit 622.
The assembly that assembly 610 can directly combine with the risk about the secure context of product 600 corresponding to its fault.Assembly 620 is such assemblies: even when assembly 620 has fault, though this fault can not apply negative effect to the security of product 600, the fault of assembly 610 also makes product 600 lose its major function.Feature operation circuit 611 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 610 600.Feature operation circuit 621 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 620 600.Reset control circuit 622 promptly, is operated required circuit in order to make feature operation circuit 621 under normal operation corresponding to the circuit of reset function function circuit 621.Fault secure circuit 630 is corresponding to following circuit: promptly, in the situation of fault secure circuit 630 continuous monitoring feature operation circuit 611, when fault secure circuit 630 detects the problem of the feature operation circuit 611 that causes owing to degeneration etc., fault secure circuit 630 controls are included in the reset control circuit 622 in the feature operation circuit 621, so that keep feature operation circuit 621 by the state of continuous reset.Should also be noted that replacedly, fault secure circuit 630 can be installed on outside the assembly 620.
In the 5th embodiment, when fault secure circuit 630 continuous monitorings are included in the situation of the feature operation circuit 611 in the assembly 610 that its fault can directly combine with the secure context of product 600, when fault secure circuit 630 detected the problem of feature operation circuit 611, fault secure circuit 630 kept feature operation circuit 621 under reset mode.If feature operation circuit 621 is remained under the reset mode continuously, then assembly 620 inoperation; But, if assembly 620 inoperation, then also inoperation of assembly 610.Therefore, may avoid the following incident of mentioning: just, when the fault of the assembly 610 that its fault can directly combine with the risk about the secure context of product 600 continues, continue operated products 600, make assembly 610 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 600.
(the 6th embodiment)
Fig. 6 is the block diagram that is used to illustrate the product with failure safe function according to the 6th embodiment of the present invention.Product 700 shown in Fig. 6 is equipped with the assembly 710 with feature operation circuit 711 and has feature operation circuit 721 and the assembly 720 of fault secure circuit 730.Comprise data line control circuit 722 in the feature operation circuit 721.
The assembly that assembly 710 can directly combine with the risk about the secure context of product 700 corresponding to its fault.Assembly 720 is such assemblies: even when assembly 720 has fault, though this fault can not apply negative effect to the security of product 700, the fault of assembly 720 also makes product 700 lose its major function.Feature operation circuit 711 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 710 700.Feature operation circuit 721 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 720 700.Data line control circuit 722 promptly, is operated required circuit in order to make feature operation circuit 721 under normal operation corresponding to the circuit of the data wire of control feature operation circuit 721.Fault secure circuit 730 is corresponding to following circuit: promptly, in the situation of fault secure circuit 730 continuous monitoring feature operation circuit 711, when fault secure circuit 730 detects the problem of the feature operation circuit 711 that causes owing to degeneration etc., fault secure circuit 730 controls are included in the data line control circuit 722 in the feature operation circuit 721, so that make the data wire of feature operation circuit 721 enter uncontrolled state.Should also be noted that replacedly, fault secure circuit 730 can be installed on outside the assembly 720.
In the 6th embodiment, when fault secure circuit 730 continuous monitorings are included in the situation of the feature operation circuit 711 in the assembly 710 that its fault can directly combine with the secure context of product 700, when fault secure circuit 730 detected the problem of feature operation circuit 711, fault secure circuit 730 made the data wire of feature operation circuit 721 enter uncontrolled state.If the data wire of feature operation circuit 721 enters uncontrolled state, then assembly 720 inoperation, still, if assembly 720 inoperation, then also inoperation of assembly 710.Therefore, might avoid the following incident of mentioning: just, when the fault of the assembly 710 that its fault can directly combine with the risk about the secure context of product 700 continued, product 700 continued operation, makes assembly 710 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 700.
(the 7th embodiment)
Fig. 7 is the block diagram that is used to illustrate the product with failure safe function according to the 7th embodiment of the present invention.Product 800 shown in Fig. 7 is equipped with the assembly 810 with feature operation circuit 811 and has feature operation circuit 821 and the assembly 820 of fault secure circuit 830.Comprise control line control circuit 822 in the feature operation circuit 821.
The assembly that assembly 810 can directly combine with the risk about the secure context of product 800 corresponding to its fault.Assembly 820 is such assemblies: even when assembly 820 has fault, though this fault can not apply negative effect to the security of product 800, the fault of assembly 820 also makes product 800 lose its major function.Feature operation circuit 811 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 810 800.Feature operation circuit 821 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 820 800.Control line control circuit 822 promptly, is operated required circuit in order to make feature operation circuit 821 under normal operation corresponding to the circuit of the control line of control feature operation circuit 821.Fault secure circuit 830 is corresponding to following circuit: promptly, in the situation of fault secure circuit 830 continuous monitoring feature operation circuit 811, when fault secure circuit 830 detects the problem of the feature operation circuit 811 that causes owing to degeneration etc., fault secure circuit 830 controls are included in the control line control circuit 822 in the feature operation circuit 821, so that make the control line of feature operation circuit 821 enter uncontrolled state.Should also be noted that replacedly, fault secure circuit 830 can be installed on outside the assembly 820.
In the 7th embodiment, when fault secure circuit 830 continuous monitorings are included in the situation of the feature operation circuit 811 in the assembly 810 that its fault can directly combine with the secure context of product 800, when fault secure circuit 830 detected the problem of feature operation circuit 811, fault secure circuit 830 made the control line of feature operation circuit 821 enter uncontrolled state.If fault secure circuit 830 makes the control line of feature operation circuit 821 enter uncontrolled state, then assembly 820 inoperation, still, if assembly 820 inoperation, then also inoperation of assembly 810.Therefore, may avoid the following incident of mentioning: just, when the fault of the assembly 810 that its fault can directly combine with the risk about the secure context of product 800 continues, continue operated products 800, make assembly 810 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 800.
(the 8th embodiment)
Fig. 8 is the block diagram that is used to illustrate the product with failure safe function according to the 8th embodiment of the present invention.Product 900 shown in Fig. 8 is equipped with the assembly 910 with feature operation circuit 911 and has feature operation circuit 921 and the assembly 920 of fault secure circuit 930.Comprise address wire control circuit 922 in the feature operation circuit 921.
The assembly that assembly 910 can directly combine with the risk about the secure context of product 900 corresponding to its fault.Assembly 920 is such assemblies: even when assembly 920 has fault, though this fault can not apply negative effect to the security of product 900, the fault of assembly 920 also makes product 900 lose its major function.Feature operation circuit 911 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 910 900.Feature operation circuit 921 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 920 900.Address wire control circuit 922 promptly, is operated required circuit in order to make feature operation circuit 921 under normal operation corresponding to the circuit of the address wire of control feature operation circuit 921.Fault secure circuit 930 is corresponding to following circuit: promptly, in the situation of fault secure circuit 930 continuous monitoring feature operation circuit 911, when fault secure circuit 930 detects the problem of the feature operation circuit 911 that causes owing to degeneration etc., fault secure circuit 930 controls are included in the address wire control circuit 922 in the feature operation circuit 921, so that make the address wire of feature operation circuit 921 enter uncontrolled state.Should also be noted that replacedly, fault secure circuit 930 can be installed on outside the assembly 920.
In the 8th embodiment, when fault secure circuit 930 continuous monitorings are included in the situation of the feature operation circuit 911 in the assembly 910 that its fault can directly combine with the secure context of product 900, when fault secure circuit 930 detected the problem of feature operation circuit 911, fault secure circuit 930 made the control line of feature operation circuit 921 enter uncontrolled state.If fault secure circuit 930 makes the address wire of feature operation circuit 921 enter uncontrolled state, then assembly 920 inoperation, still, if assembly 920 inoperation, then also inoperation of assembly 910.Therefore, may avoid the following incident of mentioning: just, when the fault of the assembly 910 that its fault can directly combine with the risk about the secure context of product 900 continues, continue operated products 900, make assembly 910 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 900.
(the 9th embodiment)
Fig. 9 is the block diagram that is used to illustrate the product with failure safe function according to the 9th embodiment of the present invention.Product 1000 shown in Fig. 9 is equipped with the assembly 1010 with feature operation circuit 1011 and has feature operation circuit 1021 and the assembly 1020 of fault secure circuit 1030.
The assembly that assembly 1010 can directly combine with the risk about the secure context of product 1000 corresponding to its fault.Assembly 1020 is such assemblies: even when assembly 1020 has fault, though this fault can not apply negative effect to the security of product 1000, the fault of assembly 1020 also makes product 1000 lose its major function.Feature operation circuit 1011 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 1,010 1000.Feature operation circuit 1021 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 1,020 1000.Fault secure circuit 1030 is corresponding to following circuit: promptly, in fault secure circuit 1030 in response to via the network of for example internet etc. and in the situation of measuring ability function circuit 1011 from the operation of external unit input, when fault secure circuit 1030 detects the problem of the feature operation circuit 1011 that causes owing to degeneration etc., the operation of fault secure circuit 1030 hold function function circuits 1021.Will also be understood that, detected the problem of feature operation circuit 1011 in fault secure circuit 1030 after, when fault secure circuit 1030 receives the command signal of the operation that is used for hold function function circuit 1021 via network, replacedly, fault secure circuit 1030 is come the operation of hold function function circuit 1021 in response to this command signal.Should also be noted that replacedly, fault secure circuit 1030 can be installed on outside the assembly 1020.
In the 9th embodiment, comprise fault secure circuit 1030 in the assembly 1020, even when assembly 1020 has fault, though the fault of assembly 1020 can not apply negative effect to the security of product 1000, the fault of assembly 1020 also makes product 1000 lose its major function.As a result, when fault secure circuit 1030 is confirmed problem in assembly 1010, but the operation of fault secure circuit 1030 hold function function circuits 1021.Therefore, may avoid the following incident of mentioning: just, when the fault of the assembly 1010 that its fault can directly combine with the risk about the secure context of product 1000 continued, product 1000 continued operation, makes assembly 1010 enter degradation filture.As previously mentioned, when the end-of-life of product 1000, can increase security.
(the tenth embodiment)
Figure 10 is the block diagram that is used to illustrate the product with failure safe function according to the tenth embodiment of the present invention.Product 1100 shown in Figure 10 is equipped with the assembly 1110 with feature operation circuit 1111, the assembly 1120 with feature operation circuit 1121 and fault secure circuit 1130.
The assembly that assembly 1110 can directly combine with the risk about the secure context of product 1100 corresponding to its fault.Assembly 1120 is such assemblies: even when assembly 1120 has fault, though this fault can not apply negative effect to the security of product 1100, the fault of assembly 1120 also makes product 1100 lose its major function.Feature operation circuit 1111 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 1,120 1100.Feature operation circuit 1121 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 1,120 1100.Fault secure circuit 1130 comprises the memory 1131 that the date information of date, initial operation date etc. is for example bought in wherein storage.Fault secure circuit 1130 is corresponding to following circuit: when when the date and time by the date information indication of storage memory 1131 has passed through the preset time section, and the operation of hold function function circuit 1121.Replacedly, after the date and time of indicating from date information has passed through the preset time section, when fault secure circuit 1130 received the command signal of the operation that is used for hold function function circuit 1121 via network, fault secure circuit 1130 can be come the operation of hold function function circuit 1121 in response to the command signal that is received.Should also be noted that replacedly, fault secure circuit 1130 can be installed on outside the assembly 1120.
In the tenth embodiment, buying product 1100 or after the operated products 1100, when having passed through the preset time section, stopping the operation of the feature operation circuit 1121 of assembly 1120 by fault secure circuit 1130 as initial operation.Even when said modules 1120 has fault, though the fault of assembly 1120 can not apply negative effect to the security of product 1100, this fault of assembly 1120 also makes product 1100 lose major function.Usually, about the fault rate after the process scheduled time, design like this: the fault rate of assembly 1110 is lower than the fault rate of assembly 1120.Therefore, may avoid the following incident of mentioning: just, assembly 1100 continued operations exceed the long period section of the scheduled time, make assembly 1110 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 1100.
(the 11 embodiment)
Figure 11 is the block diagram that is used to illustrate the product with failure safe function according to the 11 embodiment of the present invention.Product 1200 shown in Figure 11 is equipped with the assembly 1210 with feature operation circuit 1211, the assembly 1220 with feature operation circuit 1221 and fault secure circuit 1230.In the 11 embodiment, the date information that to for example buy information or initial operation date and time etc. is stored in and is built in recharging device (recharging device, not shown) the memory (not shown) in, wherein adopt described recharging device so that to product 1200 charging.
The assembly that assembly 1210 can directly combine with the risk about the secure context of product 1200 corresponding to its fault.Assembly 1220 is such assemblies: even when assembly 1220 has fault, though this fault can not apply negative effect to the security of product 1200, the fault of assembly 1220 also makes product 1200 lose its major function.Feature operation circuit 1211 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 1,220 1200.Feature operation circuit 1221 is corresponding to the required circuit of function of carrying out the product of being realized by assembly 1,220 1200.Fault secure circuit 1230 is corresponding to following circuit: when the date and time of the date information indication of having stored from the memory by the recharging device that externally provides has passed through the preset time section, and the operation of hold function function circuit 1221.Replacedly, after the date and time of indicating from date information has passed through the preset time section, when fault secure circuit 1230 received the command signal of the operation that is used for hold function function circuit 1221 via network, fault secure circuit 1230 can be come the operation of hold function function circuit 1221 in response to the command signal that is received.Should also be noted that replacedly, fault secure circuit 1230 can be installed on outside the assembly 1220.
In the 11 embodiment, buying product 1200 or after the operated products 1200, when having passed through the preset time section, stopping the operation of the feature operation circuit 1221 of assembly 1220 by fault secure circuit 1230 as initial operation.Even when said modules 1220 has fault, though the fault of assembly 1220 can not apply negative effect to the security of product 1200, this fault of assembly 1220 also makes product 1200 lose major function.Usually, about the fault rate after the process scheduled time, design like this: the fault rate of assembly 1210 is lower than the fault rate of assembly 1220.Therefore, may avoid the following incident of mentioning: just, assembly 1200 continued operations exceed the long period section of the scheduled time, make assembly 1210 enter degradation filture.As previously mentioned, the security in the time of can increasing end-of-life when product 1200.
Can be used as such electronic equipment and useful about electronic equipment of the present invention, this electronic equipment is equipped with: the assembly that its fault can directly combine with the risk about the secure context of electronic equipment; And another assembly, even when the assembly of mentioning later has fault, though this fault can not apply negative effect to electronic equipments safety, the fault of this assembly also makes electronic equipment lose its major function, its security when simultaneously, further improving end-of-life when electronic equipment.
Claims (14)
1. electronic equipment comprises:
First assembly, its fault directly combines with risk about the secure context of described electronic equipment;
Second assembly, by this second assembly, even when described second assembly has fault, though the fault of described second assembly can not apply negative effect to the security of described electronic equipment, the fault of described second assembly also makes described electronic equipment lose its major function; And
Fault secure circuit is used to stop the operation of described second assembly.
2. electronic equipment as claimed in claim 1, wherein
In described second assembly, provide described fault secure circuit.
3. electronic equipment comprises:
First assembly, its fault directly combines with risk about the secure context of described electronic equipment;
Second assembly, by this second assembly, even when described second assembly has fault, though the fault of described second assembly can not apply negative effect to the security of described electronic equipment, the fault of described second assembly also makes described electronic equipment lose its major function;
Power circuit, being used for control provides electrical power to described second assembly; And
Fault secure circuit, this fault secure circuit is operated as follows: when described fault secure circuit monitors the situation of described first assembly, when described fault secure circuit detects the problem of described first assembly, described fault secure circuit is controlled described power circuit, provides electrical power so that stop to described second assembly.
4. electronic equipment comprises:
First assembly, its fault directly combines with risk about the secure context of described electronic equipment;
Second assembly, by this second assembly, even when described second assembly has fault, though the fault of described second assembly can not apply negative effect to the security of described electronic equipment, the fault of described second assembly also makes described electronic equipment lose its major function;
Clock control circuit is used to control the clock signal that provides to described second assembly; And
Fault secure circuit, this fault secure circuit is operated as follows: when described fault secure circuit monitors the situation of described first assembly, when described fault secure circuit detects the problem of described first assembly, described fault secure circuit is controlled described clock control circuit, provides clock signal so that stop to described second assembly.
5. electronic equipment comprises:
First assembly, its fault directly combines with risk about the secure context of described electronic equipment;
Second assembly, by this second assembly, even when described second assembly has fault, though the fault of described second assembly can not apply negative effect to the security of described electronic equipment, the fault of described second assembly also makes described electronic equipment lose its major function;
Reset control circuit, described second assembly is used to reset; And
Fault secure circuit, this fault secure circuit is operated as follows: when described fault secure circuit monitors the situation of described first assembly, when described fault secure circuit detects the problem of described first assembly, described fault secure circuit is controlled described reset control circuit, so that described second assembly is remained under its reset mode.
6. electronic equipment comprises:
First assembly, its fault directly combines with risk about the secure context of described electronic equipment;
Second assembly, by this second assembly, even when described second assembly has fault, though the fault of described second assembly can not apply negative effect to the security of described electronic equipment, the fault of described second assembly also makes described electronic equipment lose its major function;
Data line control circuit is used to control the data wire of described second assembly; And
Fault secure circuit, this fault secure circuit is operated as follows: when described fault secure circuit monitors the situation of described first assembly, when described fault secure circuit detects the problem of described first assembly, described fault secure circuit is controlled described data line control circuit, so that make the data wire of described second assembly enter uncontrolled state.
7. electronic equipment comprises:
First assembly, its fault directly combines with risk about the secure context of described electronic equipment;
Second assembly, by this second assembly, even when described second assembly has fault, though the fault of described second assembly can not apply negative effect to the security of described electronic equipment, the fault of described second assembly also makes described electronic equipment lose its major function;
The control line control circuit is used to control the control line of described second assembly; And
Fault secure circuit, this fault secure circuit is operated as follows: when described fault secure circuit monitors the situation of described first assembly, when described fault secure circuit detects the problem of described first assembly, described fault secure circuit is controlled described control line control circuit, so that make the control line of described second assembly enter uncontrolled state.
8. electronic equipment comprises:
First assembly, its fault directly combines with risk about the secure context of described electronic equipment;
Second assembly, by this second assembly, even when described second assembly has fault, though the fault of described second assembly can not apply negative effect to the security of described electronic equipment, the fault of described second assembly also makes described electronic equipment lose its major function;
The address wire control circuit is used to control the address wire of described second assembly; And
Fault secure circuit, this fault secure circuit is operated as follows: when described fault secure circuit monitors the situation of described first assembly, when described fault secure circuit detects the problem of described first assembly, described fault secure circuit is controlled described address wire control circuit, so that make the address wire of described second assembly enter uncontrolled state.
9. electronic equipment as claimed in claim 1, wherein:
When described fault secure circuit detected the situation of described first assembly and detects the problem of described first assembly in response to the signal that sends from external equipment, described fault secure circuit stopped the operation of described second assembly.
10. electronic equipment as claimed in claim 9, wherein:
After described fault secure circuit has detected the problem of described first assembly, when fault secure circuit receives when stopping the command signal of operation of described second assembly from described external equipment being used to of sending, described fault secure circuit stops the operation of described second assembly.
11. electronic equipment as claimed in claim 9, wherein:
The signal that sends from described external equipment is via the signal of network from its transmission.
12. electronic equipment as claimed in claim 1, wherein:
When from about the indicated effluxion of the temporal information of the initial operation of the purchase of described electronic equipment or described electronic equipment during the scheduled time, described fault secure circuit stops the operation of described second assembly.
13. electronic equipment as claimed in claim 12, wherein:
After having passed through the described scheduled time, when described fault secure circuit receives when stopping the command signal of operation of described second assembly from external equipment being used to of sending, described fault secure circuit stops the operation of described second assembly.
14. electronic equipment as claimed in claim 13, wherein, described external equipment is the recharging device of described electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810144974A CN101655257A (en) | 2008-08-18 | 2008-08-18 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810144974A CN101655257A (en) | 2008-08-18 | 2008-08-18 | Electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101655257A true CN101655257A (en) | 2010-02-24 |
Family
ID=41709648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810144974A Pending CN101655257A (en) | 2008-08-18 | 2008-08-18 | Electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101655257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532925A (en) * | 2020-03-27 | 2020-08-14 | 日立电梯（中国）有限公司 | Elevator power supply protection method |
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| CN111532925A (en) * | 2020-03-27 | 2020-08-14 | 日立电梯（中国）有限公司 | Elevator power supply protection method |
| CN111532925B (en) * | 2020-03-27 | 2021-10-22 | 日立电梯（中国）有限公司 | Elevator power supply protection method |
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Application publication date: 20100224 |