CN202760539U - Chess table - Google Patents
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- CN202760539U CN202760539U CN 201220494144 CN201220494144U CN202760539U CN 202760539 U CN202760539 U CN 202760539U CN 201220494144 CN201220494144 CN 201220494144 CN 201220494144 U CN201220494144 U CN 201220494144U CN 202760539 U CN202760539 U CN 202760539U
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Abstract
The utility model provides a chess table which comprises a body, a display screen, a control system, chips and chip boxes. The display screen and the chip boxes are arranged on the body, the control system comprises a radio-frequency signal control module and a control module, a chip control module is arranged in each chip, a plurality of baffle plates are evenly arranged in each chip box, a first signal sending-receiving coil is arranged in each baffle plate, the first signal sending-receiving coils are connected with the radio-frequency signal control module, and the axis of each first signal sending-receiving coil is parallel to an extending line of the edge of the body. Magnetic fields sent by the first signal sending-receiving coils are evenly distributed in each chip box, each chip contacts the magnetic fields sent by the first signal sending-receiving coils, and therefore damage to health of users from the magnetic fields is reduced, and scores obtained through counting the chips can be accurate.
Description
Technical field
The utility model relates to the entertainment device field, is specifically related to a kind of chess and card table.
Background technology
Chess and card are liked by masses as a kind of converter tools always.And at present in the mahjong process, most people all can use chess and card table for convenient.When the user calculated mark, generally the medium by other manually carried out; Score such as article such as using playing card.But the method for this manual score is very slow, and inconvenient player's use.
Therefore, existing chess and card table all can provide the method for an automatic score usually, and is user-friendly.Wherein a kind of method of automatic score is for carrying out radio communication by radio frequency identification (RFID) smart card is installed with the base station that is installed on the chess and card table in chip, thereby different chips is identified, and then obtains meter and raise mark.Be that the REID REID is one and utilizes radiofrequency signal to pass through Space Coupling (alternating magnetic field or electromagnetic field) to realize that contactless information transmission and the information of passing through to transmit reach the technology of identifying purpose.This RFID smart card generally is only applicable to the each other larger situation of distance.But on chess and card table, chip usually can be comparatively intensive is placed on one and is used for specially placing in the Chip box of chip.Owing on the chip transmitting coil and receiving coil being installed also, and the magnetic core that is installed on transmitting coil and receiving coil centre, when chip is comparatively intensive, because the coil in the chip and magnetic core can cause change near the magnetic field of being sent by the base station it, a little less than near the magnetic field that just may occur being sent by the base station certain chip to can't with chip in coil produce induction, the accuracy of impact score.Like this, increase the power of base station, with near the magnetic field the enhancing chip, the error that reduces to score.When magnetic field strengthened, the scope in magnetic field also can correspondingly increase, and just so that the user is in the scope in magnetic field, and then excessive magnetic field causes damage to user's health for this.
The method of another kind of automatic score is that the radio-frequency identification method of coil and single chip circuit is installed in coin shape chip.In the method, in chess and card table, be provided with for the base station that sends radiofrequency signal, single chip circuit for reception and transmitted signal is installed in the chip, this single chip circuit forms the chip control module, can carry out the transmission of signal between base station and the chip, go out the score value of chip according to calculated signals.Owing to being overlapping when coin shape chip is placed in the Chip box, the magnetic field that the transmission coil of base station produces is when passing overlapping chip, because electromagnetic induction occurs in chip and magnetic field, therefore whenever passing a chip can weaken accordingly, it is the energy that chip can absorb magnetic field, this has just caused when magnetic field weak when having no idea with certain chip generation electromagnetic induction, and this chip can be by " skip ", so cause last score result inaccurate; In order to improve score result's the degree of accuracy, the transmission coil of base station is tubbiness on the sidewall of Chip box, with ensure magnetic field evenly, and strengthen the power that sends coil, and then guarantee the energy supply of chip.In order to improve the convenience of user when picking and placeing chip, shared area when the Chip box area is placed in the Chip box much larger than chip, so the scope in the magnetic field that sends of the chip transmission coil that can utilize is less, has caused the waste in most of magnetic field.Since the base station send magnetic direction that coil sends mutually over against, and when magnetic field strengthens, the scope in magnetic field also can correspondingly increase, produced overlapping between the adjacent magnetic field, cause the phase mutual interference between the magnetic field, the calculating of goals for can't be carried out, therefore can only a plurality of users score successively in turn, therefore speed is very slow, and the user need to wait for the result that the long time can obtain calculating.And because the magnetic direction that the transmission coil of base station sends is over against the user, excessive magnetic field can cause damage to user's health.
The utility model content
The utility model proposes a kind of chess and card table, this chess and card table can reduce the infringement that cause user's health in magnetic field, can obtain meter accurately, rapidly again and raise mark.
In order to achieve the above object, counting scheme of the present utility model is achieved in that
A kind of chess and card table comprises that described chess and card table comprises body, display screen, control system, chip and Chip box;
Wherein, described display screen and described Chip box all are arranged on the described body; Described control system comprises radiofrequency signal control module and control module; Described chip is built-in with the chip control module;
Evenly be provided with a plurality of baffle plates in the described Chip box; The equal internal coil of described baffle plate; The continuous first signal that forms of coil in a plurality of baffle plates sends and receives coil; Described first signal sends and receives coil and is connected with described radiofrequency signal control module; It is parallel with the extension line at the edge of described body that described first signal sends and receives the axis of coil; Described chip also is built-in with secondary signal and sends and receives coil; Described secondary signal sends and receives coil and links to each other with described chip control module;
Described control module is used for sending RF control signal according to the input instruction to the radiofrequency signal control module;
Described radiofrequency signal control module is used for producing the chip control signal according to described RF control signal, and this chip control signal is sent and received coil by first signal sends to described secondary signal and send and receive coil;
Described secondary signal sends and receives the chip control module that coil is used for this chip control signal is sent to chip;
Described chip control module is used for producing the chip feedback signal according to the chip control signal, and this chip feedback signal is sent and received coil by secondary signal sends to first signal and send and receive coil;
Described first signal sends and receives coil and is used for described chip feedback signal is sent to described radiofrequency signal control module;
Described radiofrequency signal control module is used for producing the RF FEEDBACK signal according to this chip feedback signal, and this RF FEEDBACK signal is sent to described control module;
Described control module is used for raising mark according to RF FEEDBACK signal acquisition meter, and meter is raised mark sends to display screen.
Preferably, comprise the first continuous converting unit and the second converting unit in the described radiofrequency signal control module, described the first converting unit is converted into the chip control signal with RF control signal; Described the second converting unit is converted into the RF FEEDBACK signal with the chip feedback signal.
Preferably, also be provided with lighting apparatus in the described Chip box.
Preferably, described control system also is provided with the control button that links to each other with described control module and receive user's input instruction.
Preferably, also comprise the usb communication interface that is connected with described control module.
Preferably, to send and receive the number of turn of the coil of coil be the 3-15 circle to described first signal; The coil turn that described secondary signal sends and receives coil is the 500-3000 circle.
Preferably, to send and receive the area coil of coil be the 0.2-0.4 square decimeter to described first signal.
Preferably, described body comprises tables, main frame and support portion;
Described main frame is arranged at described tables' inside; Described support portion is bearing in described tables' bottom.
Preferably, to send and receive coil be air core coil to described secondary signal.
Preferably, described chip comprises coin shape chip and/or bar-shaped chip; Described Chip box forms the chip tray of strip; The opening upwards of described chip tray.
Comprise body, display screen, control system, chip and Chip box at chess and card table provided by the utility model; Because described display screen and described Chip box all are arranged on the described body, so the user can raise mark to meter and checks easily; Described control system comprises radiofrequency signal control module and control module; Described chip is built-in with the chip control module; Owing to evenly being provided with a plurality of baffle plates in the described Chip box; The equal internal coil of described baffle plate; The continuous first signal that forms of coil in a plurality of baffle plates sends and receives coil; Like this, send and receive the inside that magnetic field that coil sends just can relatively be evenly distributed in Chip box by first signal, when chip is placed Chip box, each chip all sends and receives the magnetic field even contact that coil sends with first signal, the weak situation in magnetic field that some chip touches can not occur, therefore not need to improve first signal and send and receive the power of coil and then strengthen magnetic field and increase the accuracy that meter is raised mark.Described chip also is built-in with secondary signal and sends and receives coil.Described first signal sends and receives coil and is connected with described radiofrequency signal control module; And it is parallel with the extension line at the edge of described body that described first signal sends and receives the axis of coil, and it is parallel with the extension line at the edge of described body that namely described first signal sends and receives the magnetic field line in the magnetic field that coil sends; Magnetic direction and user are non-intersect, can directly not cause radiation to the user, have reduced the infringement that cause user's health in magnetic field.Described control module is used for sending RF control signal according to the input instruction to described radiofrequency signal control module; Described radiofrequency signal control module is used for producing the chip control signal according to described RF control signal, and this chip control signal is sent and received coil by first signal sends to described secondary signal and send and receive coil; Described secondary signal sends and receives the chip control module that coil is used for this chip control signal is sent to chip; Described chip control module is used for producing the chip feedback signal according to the chip control signal, and this chip feedback signal is sent and received coil by secondary signal sends to first signal and send and receive coil; Described first signal sends and receives coil and is used for described chip feedback signal is sent to described radiofrequency signal control module; Described radiofrequency signal control module is used for producing the RF FEEDBACK signal according to this chip feedback signal, and this RF FEEDBACK signal is sent to described control module; Described control module is used for raising mark according to RF FEEDBACK signal acquisition meter, and meter is raised mark sends to display screen.Like this, can realize by the communication between radio frequency control module and the chip control module transmission of information between chip and the control system.
In addition, because analog circuit easily is subject to extraneous interference, for example when ambient temperature changed, the components and parts in the analog circuit may lose efficacy; And it is larger that analog circuit is subject to extraneous electromagnetic impact, caused extraneous electromagnetic wave to cause interference to chip control signal and chip feedback signal, the result of the final metering of impact, therefore comprise the first converting unit and the second converting unit in the radiofrequency signal control module described in the utility model, described the first converting unit is used for RF control signal is converted into the chip control signal; Described the second converting unit is converted into the RF FEEDBACK signal with the chip feedback signal; The id information that includes this chip in the described chip feedback information, described the second converting unit uses Digital Signal Processing that this chip feedback information is carried out filtering, amplification, demodulation, decoding, and parse according to the just described id information of anti-collision algorithms, generate the RF FEEDBACK signal and send to described control module; And then control module can be raised mark according to the RF FEEDBACK information acquisition meter that includes the chip id information, and meter is raised mark sends to display screen, and phase user shows.In this overshoot, the second converting unit uses Digital Signal Processing that chip feedback information section is carried out filtering, amplification, demodulation, decoding, the analog circuit that circuit simply saves complex and expensive but can adapt to less signal to noise ratio, cost is low, power is little, be not vulnerable to the interference of the factors such as external electromagnetic ripple, temperature, so that control system is more stable.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the side-looking of the chess and card table that provides of the utility model embodiment one;
Fig. 2 is the structural representation of control system and chip in the chess and card table that provides of the utility model embodiment one;
Fig. 3 is the structural representation of the chess and card table that provides of the utility model embodiment two.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1 and Fig. 2, the utility model also provides a kind of chess and card table, this chess and card table uses the point system of chess and card table provided by the utility model, and the chess and card table that the utility model embodiment two provides comprises body 1, display screen 2, control system 3, chip 4 and Chip box 5.
Wherein, described display screen 2 and described Chip box 5 all are arranged on the described body 1; Described control system 3 comprises radiofrequency signal control module 6 and control module 7; Described chip 4 is built-in with chip control module 8.
Described Chip box 5 is interior evenly to be provided with a plurality of baffle plates 9; Described baffle plate 9 equal internal coil; The continuous first signal that forms of a plurality of coils in version sends and receives coil 10; Described first signal sends and receives coil 10 and is connected with described radiofrequency signal control module 6; It is parallel with the extension line at the edge of described body 1 that described first signal sends and receives the axis of coil 10; Described chip also is built-in with secondary signal and sends and receives coil 11.
Described control module 7 is used for sending RF control signal according to the input instruction to radiofrequency signal control module 6; Described radiofrequency signal control module 6 is used for producing the chip control signal according to described RF control signal, and this chip control signal is sent and received coil 10 by first signal sends to described secondary signal and send and receive coil 11; Described secondary signal sends and receives the chip control module 8 that coil 11 is used for this chip control signal is sent to chip; Described chip control module 8 is used for producing the chip feedback signal according to the chip control signal, and this chip feedback signal is sent and received coil 11 by secondary signal sends to first signal and send and receive coil 10; Described first signal sends and receives coil 10 and is used for described chip feedback signal is sent to described radiofrequency signal control module 6; Described radiofrequency signal control module 6 is used for producing the RF FEEDBACK signal according to this chip feedback signal, and this RF FEEDBACK signal is sent to described control module 7; Described control module 7 is used for raising mark according to RF FEEDBACK signal acquisition meter, and meter is raised mark sends to display screen 2.
In the above-described embodiment, because that first signal sends and receives the scope in the magnetic field that coil sends is less, can not cause the overlapping of scope between the adjacent magnetic field, thereby can the phase mutual interference between the adjacent magnetic field, becoming different users to calculate simultaneously.Therefore when calculating mark, a plurality of users can calculate simultaneously, so that the speed of calculating is faster, the user that requires a very short time just can access the result of integration.
In the above-described embodiment, comprise the first continuous converting unit and the second converting unit in the described radiofrequency signal control module 6, described the first converting unit is used for RF control signal is converted into the chip control signal; Described the first converting unit is converted into the RF FEEDBACK signal with the chip feedback signal.
In the prior art, the circuit that adopts in the base station generally is analog circuit, and the signal that transmits also is analog signal.But because analog circuit easily is subject to extraneous interference, for example when ambient temperature changed, the components and parts in the analog circuit may lose efficacy; And it is larger that analog circuit is subject to extraneous electromagnetic impact, caused extraneous electromagnetic wave to cause interference to chip control signal and chip feedback signal.And analog signal is in the process of transmission, need to be through repeatedly amplifying, disturb electromagnetic wave also can when amplifying, be amplified thereupon, result on final metering causes larger impact, therefore comprise the first converting unit and the second converting unit in the radiofrequency signal control module described in the utility model, described the first converting unit is used for RF control signal is converted into the chip control signal; Described the second converting unit is converted into the RF FEEDBACK signal with the chip feedback signal; The id information that includes this chip in the described chip feedback information, described the second converting unit uses Digital Signal Processing that this chip feedback information is carried out filtering, amplification, demodulation, decoding, and parse according to the just described id information of anti-collision algorithms, generate the RF FEEDBACK signal and send to described control module; And then control module can be raised mark according to the RF FEEDBACK information acquisition meter that includes the chip id information, and meter is raised mark sends to display screen, and phase user shows.In this overshoot, the second converting unit uses Digital Signal Processing that chip feedback information section is carried out filtering, amplification, demodulation, decoding, the analog circuit that circuit simply saves complex and expensive but can adapt to less signal to noise ratio, cost is low, power is little, be not vulnerable to the interference of the factors such as external electromagnetic ripple, temperature, so that control system is more stable.Circuit in such the second converting unit can not be subject to the interference of the factors such as external electromagnetic ripple, temperature, so that control system is more stable.And carry out using Digital Signal Processing that it is processed in the process of filtering, amplification, demodulation, decoding amplification in chip feedback information section, extraneous other signals are difficult for it is caused interference, have guaranteed the accuracy that meter is raised mark.
In the above-described embodiment, described control system 3 also is provided with the control button that links to each other with described control module 7 and receive user's input instruction.
This control button can directly be connected with control system 3, also display screen 2 can be set to tangibly display screen, and this control button is shown at tangibly display screen.At this moment, described tangibly display screen also has the user of acceptance to be clicked, and produces the function that corresponding control instruction sends to described control system 3.Like this can be so that user's use be more convenient.
In the above-described embodiment, also comprise the usb communication interface that is connected with described control module 7.This usb communication interface is used for user's download games score data or uploads control instruction.The user can use the memory devices such as USB flash disk, hard disk to download by this usb communication interface score data of will playing, and perhaps control system is arranged, and uploads control instruction.At this moment, control module 7 also is connected with the downloading control button.
In the above-described embodiment, described first signal sends and receives coil 10 and also is used for sending electromagnetic wave, forms magnetic field in Chip box.When chip 4 is placed in the Chip box 5, secondary signal sends and receives coil 11 and with this magnetic field electromagnetic induction generation induced-current occurs, and with in this induced-current conduction chip control module 8, for 8 power supplies of chip control module, so that chip control module 8 can be worked normally.And first signal sends and receives the communication that coil 10 and secondary signal send and receive between the coil 11 all to carry out as carrier wave by this electromagnetic wave.
In existing chip, fix up an aerial wire in the radio-frequency identification method with single chip circuit, because base station transmitting coil, be that the number of turn that alleged first signal sends and receives coil in the utility model generally all can surpass 100 circles, and first signal sends and receives the area coil of coil generally between the 1-2 square decimeter, and when chip is placed in the Chip box, owing to will pick and place chip for the user provides enough spaces, therefore can reserve a part of space in the Chip box, this has just caused chip to be merely able to use the part in the magnetic field in the Chip box, has therefore caused the waste in magnetic field.Again owing to the power that has strengthened magnetic field for the accuracy that improves integral result, cause the expanded range in magnetic field, this has just caused causing of magnetic field that adjacent base station transmitting coil emits overlapping, so that different users can not carry out the calculating of mark simultaneously, and then carry out the calculating of mark so that the user is merely able to rotate, the time that the user need to wait for is more of a specified duration.
In several embodiment of the present utility model, the coil that described first signal sends and receives coil 8 is separately positioned in several baffle plates, and the number of turn of the coil in each baffle plate is the 3-15 circle; The coil turn that described secondary signal sends and receives coil 11 is the 500-3000 circle.And the area coil that described first signal sends and receives coil 11 is set to the 0.2-0.4 square decimeter, first signal sends and receives the less power of 10 needs of coil just can send the magnetic field that only covers Chip box 5, general, the power that first signal sends and receives coil 11 is generally less than the 10W(watt), the magnetic field range that forms is little, can not cause overlapping between the adjacent magnetic field, a plurality of users can calculate mark simultaneously, reduced the time that mark calculates, obtaining meter, to raise mark faster, user-friendly.
Because in the prior art, there is magnetic core the transmitting coil of chip and the centre of receiving coil, and the magnetic interference that the base station is sent is larger, and in the above-described embodiments, it is air core coil that described secondary signal sends and receives coil.Like this, first signal is sent and received the interference that coil causes little, the possibility of " skip " of this chip that causes certain chip and produce because other chips change near the magnetic field it is little, has improved the accuracy that mark calculates.
In the foregoing description, it is cylindric or column that described secondary signal sends and receives coil; Its area coil is that this cylinder or column are launched afterwards formed area.
In above-mentioned several embodiment, chip can be coin shape chip, bar-shaped chip, and two kinds of chips can use separately, also can use simultaneously, are evenly distributed on during use in the Chip box 5, and described Chip box 5 forms the chip tray of strip; The opening upwards of described chip tray, therefore, do not need to reserve special space to make things convenient for the user to pick and place chip, chip can utilize fully to the magnetic field in the Chip box, and because the magnetic field in the Chip box 5 also is equally distributed, therefore certain chip can not occur and not be read, making succeeds in one's scheme, and to raise mark more accurate.
In above-mentioned several embodiment, also be provided with lighting apparatus in the described Chip box 5.The user can open this lighting apparatus under comparatively dim external environment, so that the user can place chip or remove Chip box more clearly.
Referring to Fig. 3, on the basis of the above embodiments one, in the chess and card table that the utility model embodiment two provides, described body 1 comprises: tables 12 and support portion 13; Described support portion 13 is bearing in described tables' 12 bottom.
Described chess and card table can be common desk, also can be automatic Mah-jongg machine, and when chess and card table was automatic Mah-jongg machine, tables' inside also was provided with the main frame for chess and card table automatic card shuffling, Automatic Code board; Support portion 12 is bearing in tables 11 bottom, can be so that the user is more comfortable in amusement.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a chess and card table is characterized in that, comprises that described chess and card table comprises body, display screen, control system, chip and Chip box;
Wherein, described display screen and described Chip box all are arranged on the described body; Described control system comprises radiofrequency signal control module and control module; Described chip is built-in with the chip control module;
Evenly be provided with a plurality of baffle plates in the described Chip box; The equal internal coil of described baffle plate; The continuous first signal that forms of coil in a plurality of baffle plates sends and receives coil; Described first signal sends and receives coil and is connected with described radiofrequency signal control module; It is parallel with the extension line at the edge of described body that described first signal sends and receives the axis of coil; Described chip also is built-in with secondary signal and sends and receives coil; Described secondary signal sends and receives coil and links to each other with described chip control module;
Described control module is used for sending RF control signal according to the input instruction to the radiofrequency signal control module;
Described radiofrequency signal control module is used for producing the chip control signal according to described RF control signal, and this chip control signal is sent and received coil by first signal sends to described secondary signal and send and receive coil;
Described secondary signal sends and receives the chip control module that coil is used for this chip control signal is sent to chip;
Described chip control module is used for producing the chip feedback signal according to the chip control signal, and this chip feedback signal is sent and received coil by secondary signal sends to first signal and send and receive coil;
Described first signal sends and receives coil and is used for described chip feedback signal is sent to described radiofrequency signal control module;
Described radiofrequency signal control module is used for producing the RF FEEDBACK signal according to this chip feedback signal, and this RF FEEDBACK signal is sent to described control module;
Described control module is used for raising mark according to RF FEEDBACK signal acquisition meter, and meter is raised mark sends to display screen.
2. chess and card table according to claim 1 is characterized in that, comprises the first continuous converting unit and the second converting unit in the described radiofrequency signal control module, and described the first converting unit is converted into the chip control signal with RF control signal; Described the second converting unit is converted into the RF FEEDBACK signal with the chip feedback signal.
3. chess and card table according to claim 1 is characterized in that, also is provided with lighting apparatus in the described Chip box.
4. chess and card table according to claim 1 is characterized in that, described control system also is provided with the control button that links to each other with described control module and receive user's input instruction.
5. chess and card table according to claim 1 is characterized in that, also comprises the usb communication interface that is connected with described control module.
6. chess and card table according to claim 1 is characterized in that, the number of turn that described first signal sends and receives the coil of coil is the 3-15 circle; The coil turn that described secondary signal sends and receives coil is the 500-3000 circle.
7. chess and card table according to claim 1 is characterized in that, the area coil that described first signal sends and receives coil is the 0.2-0.4 square decimeter.
8. the described chess and card table of any one is characterized in that according to claim 1-7, and described body comprises tables, main frame and support portion;
Described main frame is arranged at described tables' inside; Described support portion is bearing in described tables' bottom.
9. the described chess and card table of any one is characterized in that according to claim 1-7, and it is air core coil that described secondary signal sends and receives coil.
10. the described chess and card table of any one is characterized in that according to claim 1-7, and described chip comprises coin shape chip and/or bar-shaped chip; Described Chip box forms the chip tray of strip; The opening upwards of described chip tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220494144 CN202760539U (en) | 2012-09-25 | 2012-09-25 | Chess table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220494144 CN202760539U (en) | 2012-09-25 | 2012-09-25 | Chess table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202760539U true CN202760539U (en) | 2013-03-06 |
Family
ID=47767156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220494144 Expired - Lifetime CN202760539U (en) | 2012-09-25 | 2012-09-25 | Chess table |
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| Country | Link |
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| CN (1) | CN202760539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836550A (en) * | 2012-09-25 | 2012-12-26 | 陈本惠 | Chess table and scoring method thereof |
-
2012
- 2012-09-25 CN CN 201220494144 patent/CN202760539U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836550A (en) * | 2012-09-25 | 2012-12-26 | 陈本惠 | Chess table and scoring method thereof |
| WO2014048220A1 (en) * | 2012-09-25 | 2014-04-03 | Chen Benhui | Chess table and scoring method thereof |
| CN102836550B (en) * | 2012-09-25 | 2015-07-15 | 陈本惠 | Chess table and scoring method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20150715 |
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| RGAV | Abandon patent right to avoid regrant |