CN1248805A - IC card socket capable of preventing system from being attacked - Google Patents
IC card socket capable of preventing system from being attacked Download PDFInfo
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- CN1248805A CN1248805A CN 98120004 CN98120004A CN1248805A CN 1248805 A CN1248805 A CN 1248805A CN 98120004 CN98120004 CN 98120004 CN 98120004 A CN98120004 A CN 98120004A CN 1248805 A CN1248805 A CN 1248805A
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- card
- protective sleeve
- cage
- attacked
- card cage
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Abstract
The present invention relates to an IC card seat capable of preventing system from being attached. It includes a card-inserting box and its card seat, system reading-writing chip contact, and the chip reading-writing contact on the card seat in the card-inserting box of the IC card is equipped with a connected secondary contact, said contact and system reading-writing chip contact are two relative independent contacts, the card-inserting box of IC card is equipped with matched protetive cover, and the card inlet edge of the card-inseting box of IC card is contacted with internal wall of said protective cover, and the card-inserting inlet is covered with the protective cover. The secondary contact and system reading-writing chip contact are placed in closed cavity formed from the protective cover and card-inserting box, and the positions of both contacts are correspondent. Said invention can prevent various tricks of external superimposed power supply, reverse feeding electricity and interference,etc from attacking said system and making it break down.
Description
The present invention relates to a kind of IC-card deck, especially a kind ofly can prevent from wholely to read, control system suffers outside world and the IC-card deck of paralysing.
Current, along with the progress that electronic technology is maked rapid progress, the IC-card technology has obtained using widely in prepaid control fields such as electric power, water, combustion gas, limited TV.But because the restriction of IC-card deck existing structure is utilizing IC-card to realize existing in the field of prepaid purpose a serious technology hidden danger.Because card inserting mouth is open, the contact of deck does not hide, therefore will cause system power supply to leak outside by the contact, when meeting with the paralysis that outside world that extraneous power supply superposeed, oppositely powered up, sends universal means such as interference causes the prepaid control system, consequence is very serious.And owing to can the system power supply line be guided to machine by deck and attack outward, system can't play control action for actuator, and there is no evidence that system is under attack because the fault paralysis can't be counted.
The objective of the invention is to provides a kind of capable of preventing system from being attacked IC-card deck at the deficiency of prior art, and it can prevent from outside stack power supply, oppositely power up, sends the attack of various means such as interference and cause the situation of prepaid control system paralysis to take place.
The object of the present invention is achieved like this: a kind of capable of preventing system from being attacked IC-card deck, it comprises IC-card cage and deck thereof, system read-write chip contacts, chip read-write contact in its IC-card cage on the deck is connected with the secondary contact, is respectively two relatively independent contacts with the system read-write chip contacts; The cooperation of IC-card cage is provided with protective sleeve, and the plug-in card ingress edge of IC-card cage and the inwall of protective sleeve are tangent, protective sleeve sealing upper shield IC-card cage plug-in card inlet; Secondary contact and system read-write chip contacts are located at the airtight inside cavity of protective sleeve and IC-card cage formation, and two pairs of contact positions are corresponding.
Described protective sleeve engages with IC-card cage side; can be closely sheathed around the outside of plug-in card inlet, plug-in card bottom and a side of IC-card cage; the inwall of plug-in card ingress edge and protective sleeve is tangent, and it is corresponding with the secondary contact that the system read-write chip contacts is located at the protective sleeve bottom.
One side and the protective sleeve bottom of the corresponding protective sleeve bottom of described IC-card cage are provided with the cage return spring.
Be provided with between the bottom of described IC-card cage and the deck and move back the card spring.
The side of the corresponding plug-in card inlet of described protective sleeve is provided with into the card lead-in chamfered.
The power end serial connection protection diode of described system read-write chip contacts.
The degree of depth of described protective sleeve is greater than the width of IC-card cage.
Described protective sleeve and IC-card cage one side angle are hinged, and the plug-in card inlet of IC-card cage and the inwall arcuation of edge and protective sleeve are tangent, and the secondary contact is located at IC-card cage bottom, and the system read-write chip contacts is located at the protective sleeve bottom surface upwards.
Described protective sleeve engages up and down with the IC-card cage; the plug-in card inlet of IC-card cage and the inwall of edge and protective sleeve are tangent; the secondary contact is located at IC-card cage bottom, and the system read-write chip contacts is located at the protective sleeve bottom surface upwards, and the degree of depth of protective sleeve is greater than the thickness of IC-card cage.
The present invention is simple and reasonable, and is easy to use, safe and reliable, can prevent from outside stack power supply, oppositely power up, sends the attack of various means such as interference and cause the situation of prepaid control system paralysis to take place.
The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiments.
Fig. 1 is an embodiment of the present invention structural representation.
Fig. 2 is the another kind of example structure schematic diagram of the present invention.
Referring to Fig. 1, be a kind of embodiment of a kind of capable of preventing system from being attacked IC-card deck of the present invention.Chip read-write contact 3 in its IC-card 2 cages 1 on the deck 3 is connected with inner secondary contact 5, be respectively two relatively independent contacts with system read-write chip contacts 8, secondary contact 5 is corresponding with system read-write chip contacts 8 mutually, and the two is arranged in the airtight chamber.This airtight chamber by the plug-in card of IC-card cage 1 inlet 12, plug-in card bottom and a side outside closely sheathed go into three around protective sleeve 10 constitute.And the enter the mouth inwall of 12 edges and protective sleeve 10 of plug-in card is tangent, and it is corresponding with secondary contact 5 that system read-write chip contacts 8 is located at protective sleeve 10 bottoms.One side and protective sleeve 10 bottoms of corresponding protective sleeve 10 bottoms of IC-card cage 1 are provided with cage return spring 7, are provided with between the bottom of IC-card cage 1 and the deck and move back card spring 6, and the side of protective sleeve 10 corresponding plug-in card inlets 12 is provided with into card lead-in chamfered 9.The degree of depth of protective sleeve 10 is greater than the width of IC-card cage 1.
During actual the use; after IC-card 2 inserts cage 1 from plug-in card inlet 12; press down cage 1 then; owing to go into the effect of card lead-in chamfered 9; the extension of IC-card 2 is pushed in the cage 1, and IC-card 2 arrives the position of corresponding deck contact 3 and is inserted in the cage 1, and cage 1 is inserted in the protective sleeve 10 simultaneously; secondary contact 5 contacts with the system read-write contact 8 of 10 correspondence positions at the bottom of the protective sleeve, thereby can successfully be electrically connected with system.Detected the card of insertion when system after, the beginning read-write operation.Exchanges data finishes, and decontrols press operation down, owing to be subjected to the effect of cage return spring 7, cage 1 ejects protective sleeve 10, and plug-in card card inlet 12 exposes protective sleeve 10 sides, and again because of moving back the effect of card spring 6, the IC-card of insertion 2 is released by bullet.
Owing on technology, closely cooperate between the plug-in card of cage 1 inlet 12 and protective sleeve 10 inwalls, be enough to prevent that any lead from can enter the read-write contact.When wishing that if any lead connects the deck contact contact system contact reaches attacking system, all can be entered the mouth by plug-in card and 12 cut off with the edge of protective sleeve 10 inwalls, final realization can not be by the purpose of IC-card deck source attack system.
Referring to Fig. 2, be the another kind of preferred embodiment structural representation of the present invention.Its protective sleeve 10 is hinged with IC-card cage 1 one side angles 13, and the enter the mouth inwall arcuation 14 of 12 edges and protective sleeve 10 of the plug-in card of IC-card cage 1 is tangent, and the secondary contact is located at IC-card cage bottom, and the system read-write chip contacts is located at the protective sleeve bottom surface and makes progress.Therefore when using; can insert IC-card earlier; again IC-card cage 1 is rotated; the inwall arcuation 14 of 12 edges and protective sleeve 10 is tangent because plug-in card enters the mouth; therefore in rotating process, IC-card inserts in the IC-card cage 1, and IC-card cage 1 is inserted in the protective sleeve 10; the secondary contact that is located at IC-card cage bottom contacts with being located at the system read-write chip contacts that the protective sleeve bottom surface makes progress, and finishes exchanges data.Other structure divisions of present embodiment are consistent with the technical scheme of the foregoing description, so utilize this structure also can stop outer possibility of attacking.
Another embodiment of the present invention; be that protective sleeve 10 is engaged up and down with IC-card cage 1; the enter the mouth inwall of 12 edges and protective sleeve 10 of the plug-in card of IC-card cage 1 is tangent; the secondary contact is located at IC-card cage bottom; the system read-write chip contacts is located at the protective sleeve bottom surface upwards, and the degree of depth of protective sleeve is greater than the thickness of IC-card cage.Therefore in use, IC-card can be inserted in the IC-card cage earlier, by the IC-card cage it is inserted in the protective sleeve downwards again, thus the enforcement of stopping attack means.All the other structures and the embodiment of present embodiment are similar, repeat no more.
In addition, can protect diode 11 in the power end serial connection of system read-write chip contacts 8, thereby strengthen the ability that prevents to protect external attack.
The equivalent transformation technical scheme that inwall is tangent, protective sleeve sealing upper shield IC-card cage plug-in card enters the mouth that other use the plug-in card ingress edge and the protective sleeve of secondary contact and IC-card cage also should belong to protection scope of the present invention.
Claims (9)
1, a kind of capable of preventing system from being attacked IC-card deck, it comprises IC-card cage and deck thereof, system read-write chip contacts, it is characterized in that: the chip read-write contact in the IC-card cage on the deck is connected with the secondary contact, is respectively two relatively independent contacts with the system read-write chip contacts; The cooperation of IC-card cage is provided with protective sleeve, and the plug-in card ingress edge of IC-card cage and the inwall of protective sleeve are tangent; Secondary contact and system read-write chip contacts are located at the airtight inside cavity of protective sleeve and IC-card cage formation, and two pairs of contact positions are corresponding.
2, capable of preventing system from being attacked IC-card deck according to claim 1; it is characterized in that: described protective sleeve engages with IC-card cage side; can be closely sheathed around the outside of plug-in card inlet, plug-in card bottom and a side of IC-card cage; the inwall of plug-in card ingress edge and protective sleeve is tangent, and it is corresponding with the secondary contact that the system read-write chip contacts is located at the protective sleeve bottom.
3, capable of preventing system from being attacked IC-card deck according to claim 2 is characterized in that: a side and the protective sleeve bottom of the corresponding protective sleeve bottom of described IC-card cage are provided with the cage return spring.
4, capable of preventing system from being attacked IC-card deck according to claim 2 is characterized in that: be provided with between the bottom of described IC-card cage and the deck and move back the card spring.
5, capable of preventing system from being attacked IC-card deck according to claim 2 is characterized in that: the side of the corresponding plug-in card inlet of described protective sleeve is provided with into the card lead-in chamfered.
6, capable of preventing system from being attacked IC-card deck according to claim 1 is characterized in that: the power end serial connection protection diode of described system read-write chip contacts.
7, capable of preventing system from being attacked IC-card deck according to claim 2, it is characterized in that: the degree of depth of described protective sleeve is greater than the width of IC-card cage.
8, capable of preventing system from being attacked IC-card deck according to claim 1; it is characterized in that: described protective sleeve and IC-card cage one side angle are hinged; the plug-in card ingress edge of IC-card cage and the inwall arcuation of protective sleeve are tangent; the secondary contact is located at IC-card cage bottom, and the system read-write chip contacts is located at the protective sleeve bottom surface upwards.
9, capable of preventing system from being attacked IC-card deck according to claim 1; it is characterized in that: described protective sleeve engages up and down with the IC-card cage; the plug-in card ingress edge of IC-card cage and the inwall of protective sleeve are tangent; the secondary contact is located at IC-card cage bottom; the system read-write chip contacts is located at the protective sleeve bottom surface upwards, and the degree of depth of protective sleeve is greater than the thickness of IC-card cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98120004 CN1248805A (en) | 1998-09-18 | 1998-09-18 | IC card socket capable of preventing system from being attacked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98120004 CN1248805A (en) | 1998-09-18 | 1998-09-18 | IC card socket capable of preventing system from being attacked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1248805A true CN1248805A (en) | 2000-03-29 |
Family
ID=5226558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98120004 Pending CN1248805A (en) | 1998-09-18 | 1998-09-18 | IC card socket capable of preventing system from being attacked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1248805A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455911B (en) * | 2001-01-26 | 2013-03-20 | 索尼公司 | IC card and IC card adaptor |
| CN103378867B (en) * | 2012-04-19 | 2017-06-16 | 三星电子株式会社 | The apparatus and method that the electric power of external memory storage is controlled in mobile terminal |
-
1998
- 1998-09-18 CN CN 98120004 patent/CN1248805A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455911B (en) * | 2001-01-26 | 2013-03-20 | 索尼公司 | IC card and IC card adaptor |
| CN103378867B (en) * | 2012-04-19 | 2017-06-16 | 三星电子株式会社 | The apparatus and method that the electric power of external memory storage is controlled in mobile terminal |
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