CN1765446A - Amusement boxing learning system - Google Patents

Amusement boxing learning system Download PDF

Info

Publication number
CN1765446A
CN1765446A CN 200410086260 CN200410086260A CN1765446A CN 1765446 A CN1765446 A CN 1765446A CN 200410086260 CN200410086260 CN 200410086260 CN 200410086260 A CN200410086260 A CN 200410086260A CN 1765446 A CN1765446 A CN 1765446A
Authority
CN
China
Prior art keywords
chip microcomputer
boxing
pressure sensor
amusement
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 200410086260
Other languages
Chinese (zh)
Inventor
米利恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 200410086260 priority Critical patent/CN1765446A/en
Publication of CN1765446A publication Critical patent/CN1765446A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Electrically Operated Instructional Devices (AREA)

Abstract

Disclosed a boxing-entertainment learning system arranges an electrical device on the protective clothing of user when doing boxing or kickboxing. Wherein, said protective clothing has single-chip processor; a pressure sensor unit; a light-emitting unit; an input unit; and a display unit. The single-chip processor is connected to the pressure sensor unit, light-emitting unit, input unit and display unit to control the irradiance of illuminant of light-emitting unit to guide opposite user strike the relative position of protective clothing. The pressure information detected by the pressure sensor of pressure sensor unit is transmitted to said single-chip processor via the A/D converter which can process and record said information to be displayed by connected display unit.

Description

Amusement boxing learning system
Technical field
The present invention relates to amusement boxing learning system, be particularly related to amusement boxing learning system, it mainly comprises: the single-chip microcomputer on protective garment and installation and the protective garment, pressure sensor unit, luminescence unit, input block, display unit, pronunciation unit, serial interface unit.
Background technology
People fight each other when taking exercise with the boxing or the mode of tae kwon do or the sportsman when fighting each other training; generally all wear defensive protective garment; preserve from the protection health; but these protective garments all just have the function of protection; both sides are when taking exercise or train; can not excite the enthusiasm of user's exercise or training; make exercise or training very uninteresting, make the user be difficult to adhere to, after having taken exercise; must divide victory or defeat by the judge; need not look for the judge if not judge, or two people just takes exercise by this kind mode, after having taken exercise, be difficult to decide the winner accurately; even the judge is arranged, both sides impact strength judge and also can't accurately draw.
Summary of the invention
The present invention can make with the boxing or the mode of tae kwon do fight each other take exercise or the sportsman when fighting each other training, can excite the enthusiasm of user's exercise or training, make exercise or training not uninteresting, the user is adhered to, and can be after taking exercise or having trained, just need not judge and can accurately go out the PTS that both sides impact, with minute victory or defeat, and the maximum that can record the other side impacts strength, and response speed.After the user has taken exercise, can be by serial line interface with the PTS that impacts with maximum impacts strength and response speed is imported in the computer.
People fight each other when taking exercise with the boxing or the mode of tae kwon do or the sportsman when fighting each other training; generally all wear defensive protective garment; preserve from the protection health; but these protective garments all just have the function of protection; both sides are when taking exercise or train; can not excite the enthusiasm of user's exercise or training; make exercise or training very uninteresting; make the user be difficult to adhere to; in order to overcome these deficiencies; the invention provides a kind of amusement boxing learning system, it is on existing described protective garment illuminator and pressure sensor to be installed, and guides the other side to impact corresponding position by luminescence unit; so just can excite the enthusiasm of user's exercise or training; make exercise or training not uninteresting, the user is adhered to, also can record the other side's the mark that impacts by pressure sensor; this mark can be used as the foundation of both sides' victory or defeat; need not judge, and the maximum that can record the other side impacts strength, and response speed.After the user has taken exercise, can be by serial line interface with the PTS that impacts with maximum impacts strength and response speed is imported in the computer.
Described amusement boxing learning system, it mainly comprises: the single-chip microcomputer on protective garment and installation and the protective garment, pressure sensor unit, luminescence unit, input block, display unit, sound unit, serial interface unit.
Described pressure sensor unit comprises a plurality of pressure sensors and A/D converter, wherein on pressure sensor distribution and the described protective garment, a plurality of pressure sensors are connected with single-chip microcomputer by A/D converter, and single-chip microcomputer is gathered the information that any one pressure sensor of being connected records by the control A/D converter.
Described luminescence unit comprises the multi-group light-emitting body, the position at the pressure sensor place on illuminator installation and the protective garment, and illuminator is connected with described single-chip microcomputer, and it is luminous to control any one group of illuminator by single-chip microcomputer.Described display unit is used to show the measured information of sensor after single-chip microcomputer is handled.Described input block is a plurality of buttons, uses the program and the described single-chip microcomputer of control that are moved with control single chip computer to show score information by display unit.Described pronunciation unit is used with when impacting mark and run up to a certain degree, by its pronunciation of Single-chip Controlling.Serial interface unit is used for communicating with computer, after the user has taken exercise, and can be by serial line interface with the PTS that impacts with maximum impacts strength and response speed is imported in the computer.
Described amusement boxing learning system has control method in two, method 1: the described luminescence unit of Single-chip Controlling is luminous, the other side then impacts relevant position on the protective garment by the guide of luminescence unit, the strength that impacts records through the pressure sensor of described luminescence unit position, gathered by single-chip microcomputer by described A/D converter, single-chip microcomputer produces a mark according to the size of pressure and the position that impacts, the mark that at every turn impacts all adds up storage, after having taken exercise, the user can control described single-chip microcomputer the cumulative point that impacts is shown by the display unit that single-chip microcomputer connected by the button of described input block.Method 2: both sides freely impact the other side's the position that pressure sensor distributed, the strength that impacts records through described pressure sensor, gathered by single-chip microcomputer by described A/D converter, single-chip microcomputer produces the mark that a representative impacts situation specifically according to the size of pressure and the position that impacts, the mark that at every turn impacts all adds up storage, after having taken exercise, the user can control described single-chip microcomputer the cumulative point that impacts is shown by the display unit that single-chip microcomputer connected by the button of described input block.
Below be description of drawings, comprising two kinds of specific embodiments, embodiment 1 and embodiment 2.
Description of drawings
Fig. 1 is the schematic diagram of protective garment in the described amusement boxing learning system.
Fig. 2 is the functional-block diagram of described amusement boxing learning system.
Fig. 3 is that described amusement boxing learning system is the circuit theory diagrams that the single-chip microcomputer of the embodiment 1 of example and embodiment 2 is connected input block, pronunciation unit, display unit, serial interface unit with the 89C52 single-chip microcomputer.
Fig. 4 is the circuit theory diagrams of the luminescence unit among the embodiment 1.
Fig. 5 is the circuit theory diagrams of the A/D converter among the embodiment 1.
Fig. 6 is the luminescence unit among the embodiment 2 and the circuit theory diagrams of pressure sensor unit.
Fig. 7 is the circuit theory diagrams of every group of illuminator in the luminescence unit among embodiment 1 and the embodiment 2.
Fig. 8 is the main program flow chart of described amusement boxing learning system.
Fig. 9 is the flow chart of the subprogram B shown in Fig. 9.
Figure 10 is the flow chart of the subprogram A shown in Fig. 9.
Figure 11 is the flow chart of the subprogram C of described amusement boxing learning system
Comprise among Fig. 1: protective garment (1), pressure sensor (2), illuminator (3), control circuit (4), circuit (5).
Comprise among Fig. 2: single-chip microcomputer (1), A/D converter (2), pressure sensor unit (3), luminescence unit (4), input block (5), display unit (6), pronunciation unit (7), serial line interface (8).
Comprise among Fig. 3: 89C52 single-chip microcomputer (1), input block (2), pronunciation unit (3), MC14489 (4), seven-segment display (5), power level conversion chip MAX232 (6), serial line interface (7).
Comprise among Fig. 4: lead-in wire (1), luminescence unit (2), illuminator (3).
Comprise among Fig. 5: A/D converter TLC1543.
Comprise among Fig. 6: lead-in wire (1), luminescence unit (2), pressure sensor unit (3), A/D converter (4), illuminator (5).Comprise 8 strain ga(u)ges in the pressure sensor unit (3).
Comprise among Fig. 7: input (1), resistance (2), triode (3), light emitting diode (4), resistance (5).
The specific embodiment
Among Fig. 1: a plurality of pressure sensors (2) are installed on the protective garment (1), illuminator (3) is installed on above the protective garment of pressure sensor position, comprise described single-chip microcomputer, luminescence unit, input block, display unit, pronunciation unit, serial interface unit and A/D converter in the control circuit (4), pressure sensor (2), illuminator (3) on control circuit (4) the control protective garment (1) are also by circuit (5).Pressure sensor and illuminator on control circuit (4) the control helmet.
Among Fig. 2: pressure sensor unit contains a plurality of pressure sensors in (3).Single-chip microcomputer (1) connects the data output end of A/D converter (2), also connect luminescence unit (4), input block (5), display unit (6), pronunciation unit (7), serial line interface (8), a plurality of pressure sensors in the pressure sensor unit (3) connect the analog quantity input of A/D converter (2).The program that the user can be moved by input block (5) control single chip computer (1), single-chip microcomputer (1) is by the measured pressure information of pressure sensor in A/D converter (2) the collection pressure sensor unit (3), illuminator in the luminescence unit (4) is installed on above the protective garment of the pressure sensor position in the described sensor unit (3), single-chip microcomputer (1) is controlled the luminous of luminescence unit (4), the pronunciation unit is used with when impacting mark and run up to a certain degree, by its pronunciation of Single-chip Controlling, the cumulative point that display unit (6) explicit user impacts can be by serial line interface (8) with the PTS that impacts with maximum impacts strength and response speed is imported in the computer.
Among Fig. 3: comprise 5 buttons in the input block (2), they connect the pin P2.2 of 89C52 single-chip microcomputer (1) respectively, P2.3, P2.4, P2.5, P3.3, pronunciation unit (3) connects the pin P3.4 of 89C52 single-chip microcomputer (1), show that control drives P2.0 and P2.1 that chip MC14489 (4) connects 89C52 single-chip microcomputer (1), show that control drives chip MC14489 (4) control seven-segment display (5), 89C52 single-chip microcomputer (1) passes through P3.0, P3.1 expands a slice power level conversion chip MAX232 (6), for 89C52 single-chip microcomputer (1) provides a serial line interface (7).
Among Fig. 4: an end of 8 lead-in wires in the lead-in wire (1) connects the pin P0.0~P0.7 of 89C52 single-chip microcomputer (1) respectively, and the other end of 8 lead-in wires in the lead-in wire (1) connects the input of 8 groups of illuminators in the luminescence unit (2) respectively.
Pin A0~A10 of A/D converter TLC1543 is the analog input channel among Fig. 5, they connect described pressure sensor, pin EOC is by the pin P3.2 of reverser connection 89C52 single-chip microcomputer, and the pin position P1.0 of 89C52 single-chip microcomputer, P1.1, P1.2, P1.3 connect pin I/O CLOCK, ADDRESS, DATA OUT, the CS pin of TLC1543 respectively.
Among Fig. 6: an end of 8 lead-in wires in the lead-in wire (1) connects the pin P0.0~P0.7 of 89C52 single-chip microcomputer (1) respectively, the other end of 8 lead-in wires in the lead-in wire (1), connect the input of 8 groups of illuminators in the luminescence unit (2) and 8 groups of strain ga(u)ges in the pressure sensor unit (3) respectively, the signal output part of 8 groups of strain ga(u)ges connects the pin Vin (+) of A/D converter (4) jointly, the pin RD of A/D converter (4), WR, INTR connects the pin P3.6 of 9C51 single-chip microcomputer (1) respectively, P3.7, P3.2,8 bit data output DB0~DB7 of A/D converter (4) connect the pin P1.0~P1.7 of 9C51 single-chip microcomputer (1) respectively.
Among Fig. 7: input (1) is the input of the illuminator in the luminescence unit among Fig. 4 and Fig. 6, input (1) connects resistance (2), resistance (2) connects the base stage of triode (3), the positive pole of diode (4) connects the positive pole of power supply by resistance (5), the negative pole of diode (4) connects the colelctor electrode of triode (3), the grounded emitter of triode (3).
Shown in Figure 8 is the flow chart of the main program of control amusement boxing learning system.From-initialization single-chip microcomputer at first, register R0=0 is set then, variable W is set, M, S, P, V, G and initialization, R0 is the stochastic variable among the method A, W is the variable of storage score, M is the variable of the pressure information that arrives of storage of collected, S is the variable of recording user reflection time among the method A, P is the variable of the longest reflection time of limited subscriber among the method A, V is the number of times that recording user does not hit corresponding pressure sensor among the method A, G is the variable of record address, analog input channel among the method B, and whether cycle detection button 1 and button 2 are pressed then, and R0 is from adding 1.The call subroutine A if button 1 is pressed, the call subroutine B if button 2 is pressed.
The flow chart of subprogram B shown in Figure 9 is the flow chart of the method two of control amusement boxing learning system.At first initializing variable G is 0, variable W is 0, and initialization M is 0 then.Detect button 3 then and whether be pressed,, then show score W if push button 3.If do not push button 3, detect button 4 again and whether be pressed, if press, then return main program.If do not push button 4, the information that records of the pressure sensor on the described protective garment of circle collection then, if pressure information is 0 next address, analog input channel, road of collection, otherwise this maximum pressure information that collects of this address, analog input channel is sent into integration subroutine C, calculate score by integration subroutine C according to the size of pressure information, and be added among the variable W, backspace subroutine B then, continue circulation and produce next address, analog input channel, road, turn back to " M=0 " then and locate to continue to circulate to carry out.
The flow chart of subprogram A shown in Figure 10 is the flow chart of the method one of control amusement boxing learning system.At first initializing variable W is 0, variable V is 0, and initializing variable M is 0 then, variable S is 0.Detect button 3 then and whether be pressed,, then show score W if push button 3.If do not push button 3, detect button 4 again and whether be pressed, if press, then return main program.If do not push button 4, luminous according to the corresponding luminescence unit of R0 value control, gather the pressure information at corresponding luminescence unit place then, judge that whether pressure information is 0, if pressure information is 0, then calls time delay subroutine.Whenever call time delay subroutine one time, time variable S just adds 1, is used for recording user and how long just hits corresponding pressure sensor after lamp is bright.Relatively whether S, then illustrates after lamp is bright if greater than P greater than P then, and the user concentrates corresponding pressure sensor at the appointed time, and then variable V just adds 1, so forwards to and calls the execution of integration subroutine C place; If S is less than or equal to P, then turns back to " pressure information of gathering corresponding luminescence unit place " and locate to carry out.If the pressure information of gathering is not 0, then preserve the force value that collects, turn back to " pressure information of gathering corresponding luminescence unit place " then and locate to continue to gather the pressure information of this analog input channel, and with the pressure information of preserving relatively, maximum is preserved, maximum pressure information when so circulation is this time hit this address, analog input channel is preserved, then this maximum pressure information that collects of this address, analog input channel is sent into integration subroutine C, C calculates score according to pressure information by integration subroutine, and be added among the variable W, backspace subroutine A then, take R0 as the time-delay of parameter call time delay subroutine, produce new random number according to the R0 value then and deposit among the R0, turn back to " M=0, S=0 " then and locate to continue to carry out.
Figure 11 is the score that impacts that the flow chart that is integrated into program is used to accumulate the user.It converts pressure information to mark and is added among the variable W, returns then.
It below is the program example that produces random number when moving by the program A among Fig. 8 (method 2) about described amusement boxing learning system.
0;--------------------------------------
1 K1 REN P2.2; The pinout of button 1
2 K2 REN P2.3; The pinout of button 2
3 K3 REN P2.4; The pinout of button 3
7;--------------------------------------
8 ORG OH ;
9 JMP BEGIN
10;-------------------------------------
11 BEGIN:
12 MOV R0, #0; R0; Be random number, initial value is 0
13 LOOP:
14 JB K1, L1; Do not press the K1 key and then forward the L1 place to
15 JNB K1, $; Press the K1 key and then wait for relieving
16 CALL A; Press then call subroutine A of K1 key
17 L1:JB K2, L2; Do not press the K2 key and then forward the L2 place to
18 JNB K2, $; Press the K2 key and then wait for relieving
19 CALL B; Press then call subroutine B of K2 key
20 L2:INC R0; R0 is from adding 1 (because of run to the chooser journey from main program
21; Interlude difference between the preface A, the value of R0 are also different, so R0 when not having inferior runtime subroutine A
22; Initial value all different.)
23 JMP LOOP; Return LOOP
24;------------------------------------
25 A:JB K3, A21; Do not press the K3 key and then forward the A21 place to
26 JNB K3, $; Press the K3 key and then wait for relieving
27 CALL A23; Press then call subroutine A23 of K3 key
28;------------------------------------
29 A21:MOV A, R0; Read the value of R0
30 JNZ A22; If the R0 value is not 0 then forwards the A22 place to
31 MOV A, #78H; If R0 is 0 then replaces the value of R0 with #78
32 ANL A, #7H; That reads the R0 value hangs down 3
33 A22::
:; Low 3 according to the R0 value are guided the boxing clothes to go up corresponding luminous list
:; Unit is luminous, and gathers the pressure information of corresponding position.
34 MOV?A,R0 ;
35 ANL A, #FH; That reads the R0 value hangs down 4
36 MOV B, A; Low 4 with the R0 value deposit among the B
37 MOV?A,R0 ;
38 SWAP A; 4 exchanges of height with the value of R0
39 ANL A, #FH; Read the high 4 of R0 value
40 MUL AB; 4 of the height of R0 value are multiplied each other, produce new random variable values
41 MOV R0, A; New random variable values is deposited among the R0
42;------------------------------------
43 JB K4, A21; Do not press the K3 key and then forward the A21 place to
44 JNB K4, $; Press the K3 key and then wait for relieving
45 CALL A24; Press then call subroutine A24 of K3 key
46;------------------------------------
47 JMP A; Return A
48 A24:RET
49;------------------------------------
50 A23::; Be used to show the program part of score
RET

Claims (8)

1, amusement boxing learning system, be box or protective garment that the user of tae kwon do when taking exercise wears on one's body on electronic equipment is installed, it is characterized in that on the described protective garment single-chip microcomputer being installed, pressure sensor unit, luminescence unit, input block, display unit, the pronunciation unit, single-chip microcomputer connects pressure sensor unit, luminescence unit, input block, display unit, the pronunciation unit, illuminator in the Single-chip Controlling luminescence unit is luminous, to guide the other side to impact relevant position on the protective garment, the pressure information that pressure sensor in the pressure sensor unit records imports in the described single-chip microcomputer by A/D converter, record after single-chip microcomputer is handled, and can show by the display unit of its connection.
2, amusement boxing learning system according to claim 1, it is characterized in that described pressure sensor unit comprises a plurality of pressure sensors and A/D converter, wherein on pressure sensor distribution and the described protective garment, a plurality of pressure sensors are connected with single-chip microcomputer by A/D converter, and single-chip microcomputer is gathered the information that any one pressure sensor of being connected records by the control A/D converter.
3, amusement boxing learning system according to claim 1, it is characterized in that described luminescence unit comprises the multi-group light-emitting body, the position at the pressure sensor place on illuminator installation and the described protective garment, illuminator is connected with described single-chip microcomputer, and it is luminous to control any one group of illuminator by single-chip microcomputer.
4, amusement boxing learning system according to claim 1 is characterized in that described amusement boxing learning system contains serial line interface, and the amusement boxing learning system control module can be by serial line interface with the PTS that impacts with impact strength and import in the computer.
5, amusement boxing learning system according to claim 1 is characterized in that described display unit is used to show the measured information of sensor after described single-chip microcomputer is handled.
6, amusement boxing learning system according to claim 1 is characterized in that described pronunciation unit uses with when impacting mark and run up to a certain degree, by its pronunciation of Single-chip Controlling.
7, amusement boxing learning system according to claim 1, it is characterized in that described amusement boxing learning system also contains a kind of control method, the described luminescence unit method of Single-chip Controlling light, the other side then impacts relevant position on the protective garment by the guide of luminescence unit, the strength that impacts records through the pressure sensor of described luminescence unit position, gathered by single-chip microcomputer by described A/D converter, single-chip microcomputer produces the mark that a representative impacts situation specifically according to the size of pressure and the position that impacts, the mark that at every turn impacts all adds up storage, after having taken exercise, the user can control described single-chip microcomputer the cumulative point that impacts is shown by the display unit that single-chip microcomputer connected by the button of described input block.
8, amusement boxing learning system according to claim 1, it is characterized in that described amusement boxing learning system also contains a kind of control method, both sides freely impact the other side's the position that pressure sensor distributed, the strength that impacts records through described pressure sensor, gathered by single-chip microcomputer by described A/D converter, single-chip microcomputer produces the mark that a representative impacts situation specifically according to the size of pressure and the position that impacts, the mark that at every turn impacts all adds up storage, after having taken exercise, the user can control described single-chip microcomputer the cumulative point that impacts is shown by the display unit that single-chip microcomputer connected by the button of described input block.
CN 200410086260 2004-10-29 2004-10-29 Amusement boxing learning system Pending CN1765446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410086260 CN1765446A (en) 2004-10-29 2004-10-29 Amusement boxing learning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410086260 CN1765446A (en) 2004-10-29 2004-10-29 Amusement boxing learning system

Publications (1)

Publication Number Publication Date
CN1765446A true CN1765446A (en) 2006-05-03

Family

ID=36741690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410086260 Pending CN1765446A (en) 2004-10-29 2004-10-29 Amusement boxing learning system

Country Status (1)

Country Link
CN (1) CN1765446A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105457255A (en) * 2016-01-13 2016-04-06 薛晓东 Boxing glove and movement data processing method and device
WO2017166240A1 (en) * 2016-03-31 2017-10-05 深圳市柔宇科技有限公司 Smart garment and control method for smart garment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105457255A (en) * 2016-01-13 2016-04-06 薛晓东 Boxing glove and movement data processing method and device
WO2017166240A1 (en) * 2016-03-31 2017-10-05 深圳市柔宇科技有限公司 Smart garment and control method for smart garment

Similar Documents

Publication Publication Date Title
CN205516255U (en) Intelligence training equipment
CN1477481A (en) Information input device, information processing device and information input method
CN205307722U (en) Intelligence countable table tennis bat
CN1485814A (en) A lens barrel having advancing/retracting mechanism
CN202387192U (en) Boxing striking bag
CN1785461A (en) Learning system of boxing amusement
CN103550923A (en) Wireless intelligent judgment system and method thereof for realizing intelligent judgment and scoring
CN202087004U (en) Manpower driven crawler type multi-media computer treadmill
CN1765446A (en) Amusement boxing learning system
CN209934017U (en) Table tennis service exercise device
CN205549483U (en) Multi -functional timing device is used in sports
CN202961802U (en) Device for judging whether badminton goes out of boundary of fuzzy area of badminton court
CN201862234U (en) Auxiliary device for badminton pace training
CN205796454U (en) A kind of electronics protector
CN101947384B (en) Auxiliary assembly for badminton pace training
CN102213567A (en) Intelligent shooting scoring system
CN209612165U (en) A kind of boxing function vest and Intelligent boxing target system
CN205612991U (en) Ping -pong ball drop point accurately practicing and ball collecting net rack
CN201862192U (en) Long jump training system based on force platform and digital runway
CN206063708U (en) A kind of tennis drop point trainer
CN107185215A (en) Intelligent cloud boxing data collection station
CN206995775U (en) A kind of Intelligent football exercise apparatus
CN209279989U (en) A kind of birds movement pedometer
CN1766894A (en) Method for combining body building device with computer and game, and system using the same
CN204522215U (en) Calculate the catabiotic device of motion

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication