CN103198561A - Metal encryption keyboard and production method thereof - Google Patents
Metal encryption keyboard and production method thereof Download PDFInfo
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- CN103198561A CN103198561A CN201310111881XA CN201310111881A CN103198561A CN 103198561 A CN103198561 A CN 103198561A CN 201310111881X A CN201310111881X A CN 201310111881XA CN 201310111881 A CN201310111881 A CN 201310111881A CN 103198561 A CN103198561 A CN 103198561A
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- circuit board
- peelable
- safety return
- pcb circuit
- printed conductor
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Abstract
The invention relates to a metal encryption keyboard and a production method thereof. A releasable printed conductor is adopted to design a safe loop in the metal encryption keyboard, and the safe loop is used for triggering a self-destruction device to achieve protection for data in the metal encryption keyboard. The metal encryption keyboard is simple in designed structure and can overcome defects of the existing products and achieve a good safety protection effect. By adopting the production method of the metal encryption keyboard, the metal encryption keyboard is easy to produce and convenient to popularize in the market.
Description
Technical field
The present invention relates to metal encrypted keyboard and method for making.
Background technology
Metal encrypted keyboard is a type of metal keyboard; when it possesses the feature of all metal keyboards; also possesses encryption function; therefore in finance data safeguard protection field; metal encrypted keyboard is widely used in ATM; the POS machine is on a series of input equipments that need ensure by cryptosecurity such as self-help payment system.
Owing to relate to property safety, so metal encrypted keyboard need possess the higher data security, need have some specific devices and measure to guarantee data reliability and security in the operating equipment process.Existing metal encrypted keyboard is aspect security protection; mainly by the can device; flexible FPC circuit structure carries out security protection to data; but this mode is relatively limited in security and design; and it is not enough at the protectiveness of data in the metal encrypted keyboard; can not effectively play protection timely and effectively to the data in the metal encrypted keyboard; behind the flexible keystroke layer of tearing on the PCB circuit board; when data are stolen in the metal encrypted keyboard; be easy to avoid the flip flop equipment of self-desttruction equipment, so just do not reach the effective protection to data in the metal encrypted keyboard.
Summary of the invention
Technical matters to be solved by this invention provides a kind of brand new that has, the metal encrypted keyboard that can effectively play a protective role to the data in the metal encrypted keyboard.
Corresponding therewith, technical matters to be solved by this invention provides the peelable printed conductor design of a kind of employing, realizes the metal encrypted keyboard method for making of the metal encrypted keyboard of making the present invention design.
The present invention is in order to solve the problems of the technologies described above by the following technical solutions: the present invention proposes metal encrypted keyboard, comprise PCB circuit board, flexible keystroke layer and self-desttruction equipment; The PCB circuit board surface is laid key zone, push button signalling cabling and safety return circuit independently, and safety return circuit links to each other with self-desttruction equipment, is used for the triggering self-desttruction equipment; Flexible keystroke layer and corresponding the sticking on the PCB circuit board surface of PCB circuit board surface key zone, and cover safety return circuit; Described safety return circuit comprises between many section shape tracks being laid on the PCB circuit board surface, front and back two the section shapes track and being connected by laying peelable printed conductor that the peelable printed conductor of described each bar connects and composes safety return circuit with each bar section shape track.
As a kind of optimal technical scheme of the present invention: described peelable printed conductor comprises conductive layer and peelable glue-line, and wherein, between two section shape tracks, conductive layer was laid on the peelable glue-line before and after peelable glue-line was laid on the described PCB circuit board.
As a kind of optimal technical scheme of the present invention: described peelable printed conductor also comprises the welding resistance oil reservoir, and wherein the welding resistance oil reservoir is laid between described conductive layer and the peelable glue-line.
As a kind of optimal technical scheme of the present invention: described conductive layer is conductive adhesive layer or carbon oil layer.
As a kind of optimal technical scheme of the present invention: the safety return circuit on the described PCB circuit board is laid in the periphery of key zone and push button signalling cabling, and safety return circuit surrounds key zone and push button signalling cabling fully.
As a kind of optimal technical scheme of the present invention: before and after described peelable printed conductor straight line is laid between two section shape tracks.
As a kind of optimal technical scheme of the present invention: the distance between two the section shapes track of described front and back is no longer than 10mm.
Metal encrypted keyboard of the present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) adopts the flip flop equipment of brand-new structural design self-desttruction equipment in the metal encrypted keyboard of the present invention design, can constitute effectively protection to the data of metal encrypted keyboard inside;
(2) it is single simple that the metal encrypted keyboard of the present invention's design efficiently solves the guard method of conventional metals Encryption Keyboard, only protect in non-key-side, and the deficiency of not protecting in key-side;
(3) in the metal encrypted keyboard of the present invention's design, at front and back two section shapes track, adopt peelable printed conductor to carry out straight line and connect, increased the sensitivity that adopts peelable printed conductor to constitute flip flop equipment effectively, improved the security protection performance of metal encrypted keyboard;
(4) simple in structure in the metal encrypted keyboard of the present invention's design, be easy to realize, and design and manufacture cost is low, be easy to promote.
Corresponding therewith, the present invention is in order to solve the problems of the technologies described above by the following technical solutions: the present invention has designed the method for making of metal encrypted keyboard, comprises the steps:
Step 2. is flexible keystroke layer and corresponding the sticking on the PCB circuit board surface of PCB circuit board surface key zone, and covers safety return circuit;
In the described step 1, the distribution method of safety return circuit comprises the steps: on the PCB circuit board
Step a. connects each bar section shape track of laying in advance by laying peelable printed conductor at the PCB circuit board respectively, by laying the peelable printed conductor of each bar each bar section shape track conducting is constituted safety return circuit.
As a kind of optimal technical scheme of the present invention: described step a specifically comprises following method, realize laying peelable printed conductor connect before and after two section shape tracks:
The step I. laying peelable glue-line between two the section shape tracks in front and back on the described PCB circuit board;
The step II. lay conductive layer at peelable glue-line, constitute peelable printed conductor.
As a kind of optimal technical scheme of the present invention: described step I and step II also comprise the steps: to lay the welding resistance oil reservoir between described conductive layer and peelable glue-line.
The above technical scheme of the employing of the method for making of metal encrypted keyboard of the present invention compared with prior art has following technique effect:
(1) method for making of the metal encrypted keyboard of the present invention's design adopts peelable printed conductor design, has realized the making of the metal encrypted keyboard of the present invention's design.
Description of drawings
Fig. 1 is the structural representation of the metal encrypted keyboard that designs of the present invention;
Fig. 2 is the side view of peelable printed conductor in the metal encrypted keyboard that designs of the present invention.
Wherein, 1. safety return circuit, 2. key zone and push button signalling cabling, 3. section shape track, 4. peelable printed conductor, 5. PCB circuit board.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is described in further detail.
As depicted in figs. 1 and 2, the present invention proposes metal encrypted keyboard, comprise PCB circuit board, flexible keystroke layer and self-desttruction equipment; The PCB circuit board surface is laid key zone, push button signalling cabling and safety return circuit independently, and safety return circuit links to each other with self-desttruction equipment, is used for the triggering self-desttruction equipment; Flexible keystroke layer and corresponding the sticking on the PCB circuit board surface of PCB circuit board surface key zone, and cover safety return circuit; Described safety return circuit comprises between many section shape tracks being laid on the PCB circuit board surface, front and back two the section shapes track and being connected by laying peelable printed conductor that the peelable printed conductor of described each bar connects and composes safety return circuit with each bar section shape track.
Adopt the flip flop equipment of brand-new structural design self-desttruction equipment in the metal encrypted keyboard of the present invention's design, can constitute effectively protection to the data of metal encrypted keyboard inside.
As a kind of optimal technical scheme of the present invention: described peelable printed conductor comprises conductive layer and peelable glue-line, and wherein, between two section shape tracks, conductive layer was laid on the peelable glue-line before and after peelable glue-line was laid on the described PCB circuit board.
As a kind of optimal technical scheme of the present invention: described peelable printed conductor also comprises the welding resistance oil reservoir, and wherein the welding resistance oil reservoir is laid between described conductive layer and the peelable glue-line.
As a kind of optimal technical scheme of the present invention: described conductive layer is conductive adhesive layer or carbon oil layer.
As a kind of optimal technical scheme of the present invention: the safety return circuit on the described PCB circuit board is laid in the periphery of key zone and push button signalling cabling, and safety return circuit surrounds key zone and push button signalling cabling fully.
It is single simple that the metal encrypted keyboard of the present invention's design efficiently solves the guard method of conventional metals Encryption Keyboard, only protect in non-key-side, and the deficiency of not protecting in key-side.
As a kind of optimal technical scheme of the present invention: before and after described peelable printed conductor straight line is laid between two section shape tracks.
In the metal encrypted keyboard of the present invention's design, at front and back two section shapes track, adopt peelable printed conductor to carry out straight line and connect, increased the sensitivity that adopts peelable printed conductor to constitute flip flop equipment effectively, improved the security protection performance of metal encrypted keyboard.
As a kind of optimal technical scheme of the present invention: the distance between two the section shapes track of described front and back is no longer than 10mm.
The metal encrypted keyboard of the present invention's design owing to adopt peelable printed conductor that each bar section shape track on the PCB circuit board is connected conducting, constitutes the safety return circuit in the metal encrypted keyboard, is used for triggering the self-desttruction equipment of metal encrypted keyboard; In the middle of actual application, what the flexible keystroke layer was corresponding with PCB circuit board surface key zone sticks on the PCB circuit board surface, and cover safety return circuit, wherein, the flexible keystroke layer can adopt adhesive sticker to stick on the PCB circuit board surface, when data are stolen in to metal encrypted keyboard, need tear the flexible keystroke layer, at this moment will make peelable printed conductor be subjected to the pulling force of the external world's (adhesive sticker), the field of load that this pulling force generally all allows greater than peelable printed conductor itself, like this to the action of tearing of flexible keystroke layer, will cause the fracture of peelable printed conductor, and then by safety return circuit triggering self-desttruction equipment, the data in the metal encrypted keyboard are protected; And the safety return circuit that constitutes is laid in the periphery of key zone and push button signalling cabling on the PCB circuit board, and key zone and push button signalling cabling are surrounded fully, so just can effectively play the effect of protection to the data in the metal encrypted keyboard.
Moreover, adopting peelable printed conductor to carry out straight line on the PCB circuit board between each bar section shape track connects, can effectively improve when tearing the flexible keystroke layer, the sensitivity of peelable printed conductor, as long as the small flexible keystroke layer of tearing moves, will make peelable printed conductor be subjected to the external force effect, improve the security of metal encrypted keyboard more.
Corresponding therewith, the invention allows for the method for making of metal encrypted keyboard, comprise the steps:
Step 2. is flexible keystroke layer and corresponding the sticking on the PCB circuit board surface of PCB circuit board surface key zone, and covers safety return circuit;
In the described step 1, the distribution method of safety return circuit comprises the steps: on the PCB circuit board
Step a. connects each bar section shape track of laying in advance by laying peelable printed conductor at the PCB circuit board respectively, by laying the peelable printed conductor of each bar each bar section shape track conducting is constituted safety return circuit.
As a kind of optimal technical scheme of the present invention: described step a specifically comprises following method, realize laying peelable printed conductor connect before and after two section shape tracks:
The step I. laying peelable glue-line between two the section shape tracks in front and back on the described PCB circuit board;
The step II. lay conductive layer at peelable glue-line, constitute peelable printed conductor.
As a kind of optimal technical scheme of the present invention: described step I and step II also comprise the steps: to lay the welding resistance oil reservoir between described conductive layer and peelable glue-line.
In the metal encrypted keyboard of the present invention's design, at the design of peelable printed conductor, wherein peelable glue-line can adopt blue glue, also is not limited to the selection of blue glue certainly, so long as peelable glue is all passable; Described conductive layer is conductive adhesive layer or carbon oil layer.
The method for making of the metal encrypted keyboard of the present invention's design adopts peelable printed conductor design, has realized the making of the metal encrypted keyboard of the present invention's design.
By reference to the accompanying drawings embodiments of the present invention have been done detailed description above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from aim of the present invention, makes a variety of changes.
Claims (10)
1. metal encrypted keyboard comprises PCB circuit board, flexible keystroke layer and self-desttruction equipment; The PCB circuit board surface is laid key zone, push button signalling cabling and safety return circuit independently, and safety return circuit links to each other with self-desttruction equipment, is used for the triggering self-desttruction equipment; Flexible keystroke layer and corresponding the sticking on the PCB circuit board surface of PCB circuit board surface key zone, and cover safety return circuit; It is characterized in that: described safety return circuit comprises between many section shape tracks being laid on the PCB circuit board surface, front and back two the section shapes track and being connected by laying peelable printed conductor that the peelable printed conductor of described each bar connects and composes safety return circuit with each bar section shape track.
2. according to the described metal encrypted keyboard of claim 1, it is characterized in that: described peelable printed conductor comprises conductive layer and peelable glue-line, wherein, between two section shape tracks, conductive layer was laid on the peelable glue-line before and after peelable glue-line was laid on the described PCB circuit board.
3. according to the described metal encrypted keyboard of claim 2, it is characterized in that: described peelable printed conductor also comprises the welding resistance oil reservoir, and wherein the welding resistance oil reservoir is laid between described conductive layer and the peelable glue-line.
4. according to claim 2 or 3 described metal encrypted keyboards, it is characterized in that: described conductive layer is conductive adhesive layer or carbon oil layer.
5. according to the described metal encrypted keyboard of claim 1, it is characterized in that: the safety return circuit on the described PCB circuit board is laid in the periphery of key zone and push button signalling cabling, and safety return circuit surrounds key zone and push button signalling cabling fully.
6. according to the described metal encrypted keyboard of claim 1, it is characterized in that: described peelable printed conductor straight line is laid between two the section shape tracks in front and back.
7. according to the described metal encrypted keyboard of claim 1, it is characterized in that: the distance between two the section shapes track of described front and back is no longer than 10mm.
8. make the method for making of any described metal encrypted keyboard in the claim 1 to 7, comprise the steps:
Step 1. is laid key zone, push button signalling cabling and safety return circuit independently according to designing requirement at the PCB circuit board, and safety return circuit is connected with self-desttruction equipment;
Step 2. is flexible keystroke layer and corresponding the sticking on the PCB circuit board surface of PCB circuit board surface key zone, and covers safety return circuit;
It is characterized in that:
In the described step 1, the distribution method of safety return circuit comprises the steps: on the PCB circuit board
Step a. connects each bar section shape track of laying in advance by laying peelable printed conductor at the PCB circuit board respectively, by laying the peelable printed conductor of each bar each bar section shape track conducting is constituted safety return circuit.
9. the method for making of described metal encrypted keyboard according to Claim 8, it is characterized in that: described step a specifically comprises following method, realize laying peelable printed conductor connect before and after two section shape tracks:
The step I. laying peelable glue-line between two the section shape tracks in front and back on the described PCB circuit board;
The step II. lay conductive layer at peelable glue-line, constitute peelable printed conductor.
10. according to the method for making of the described metal encrypted keyboard of claim 9, it is characterized in that: described step I and step II also comprise the steps: to lay the welding resistance oil reservoir between described conductive layer and peelable glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310111881XA CN103198561A (en) | 2013-04-02 | 2013-04-02 | Metal encryption keyboard and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310111881XA CN103198561A (en) | 2013-04-02 | 2013-04-02 | Metal encryption keyboard and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103198561A true CN103198561A (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310111881XA Pending CN103198561A (en) | 2013-04-02 | 2013-04-02 | Metal encryption keyboard and production method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030025617A1 (en) * | 2001-07-18 | 2003-02-06 | International Business Machines Corporation | Foil keyboard with security system |
| CN1812031A (en) * | 2005-01-26 | 2006-08-02 | 深圳市证通电子有限公司 | Metal encrypted keyboard |
| WO2011038619A1 (en) * | 2009-09-29 | 2011-04-07 | 广州广电运通金融电子股份有限公司 | Encryption keyboard |
| WO2012024995A1 (en) * | 2010-08-27 | 2012-03-01 | 广州广电运通金融电子股份有限公司 | Encryption keypad capable of preventing illegal disassembly |
| CN102779677A (en) * | 2012-06-29 | 2012-11-14 | 百富计算机技术（深圳）有限公司 | Keyboard safety protection device |
| CN203224935U (en) * | 2013-04-02 | 2013-10-02 | 深圳市睿兴胜电子科技有限公司 | Metal encryption keyboard |
-
2013
- 2013-04-02 CN CN201310111881XA patent/CN103198561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030025617A1 (en) * | 2001-07-18 | 2003-02-06 | International Business Machines Corporation | Foil keyboard with security system |
| CN1812031A (en) * | 2005-01-26 | 2006-08-02 | 深圳市证通电子有限公司 | Metal encrypted keyboard |
| WO2011038619A1 (en) * | 2009-09-29 | 2011-04-07 | 广州广电运通金融电子股份有限公司 | Encryption keyboard |
| WO2012024995A1 (en) * | 2010-08-27 | 2012-03-01 | 广州广电运通金融电子股份有限公司 | Encryption keypad capable of preventing illegal disassembly |
| CN102779677A (en) * | 2012-06-29 | 2012-11-14 | 百富计算机技术（深圳）有限公司 | Keyboard safety protection device |
| CN203224935U (en) * | 2013-04-02 | 2013-10-02 | 深圳市睿兴胜电子科技有限公司 | Metal encryption keyboard |
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Application publication date: 20130710 |