CN201029036Y

CN201029036Y - Push rod type hole code reader

Info

Publication number: CN201029036Y
Application number: CNU200620153941XU
Authority: CN
Inventors: 陈树荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-30
Filing date: 2006-11-30
Publication date: 2008-02-27
Anticipated expiration: 2016-11-30

Abstract

The utility model discloses a pusher type punch code reader, aiming at reading the integrated signal of the punch code by a simple mechanical method, so as to make the manufacture simple and provide the reasonable parts with a recognition function. The utility model can be integrated with the electron technology to make some intelligent products. The utility model comprises a shell, a limiting device, a handspike, a handspike trepanning, and a handspike spring. One part of the handspike is positioned at outside of the handspike trepanning, the opening of the other end of the handspike trepanning is provided with an electric contact which can reset elastically. The utility model has the functions of recognizing the punch code, and provides an elastic military chess in cooperation with the elastic military chess practices.

Description

Push rod type hole code reader

Technical Field

The present invention relates to a code reader, and more particularly, to a code reader which mechanically reads codes through holes, changes the hole codes into binary coded electrical signals, and combines and applies the binary coded electrical signals to electronic military chess through a digital logic circuit.

Background

As a storage device for storing information, a perforated paper tape storing program and an optical-electrical code reader reading the program of the perforated paper tape on a numerical control wire cutting machine have been widely used in the past 70 years. This way of storing the procedure with perforated paper tapes is now old. The pusher-type hole code reader is used for detecting hole codes by mechanical action, wherein the hole codes are coded by holes in a rigid solid body. The designer of the utility model has not heard the code reader.

Disclosure of Invention

The utility model aims at creating a can be with simple mechanism to simple mechanical action mode adopts the discernment to set up the object of hole sign indicating number, creates some simple cheap products that have discernment judgement ability. Such as electronic military chess.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the push rod type hole code reader comprises a shell, wherein each code reading unit of the hole code reader is aligned to each storage unit of a hole code storage device by utilizing a limiting device during code reading, each code reading unit in the hole code reader is provided with a sensor for measuring holes or no holes of the storage unit corresponding to the hole code storage device, a plurality of hole code reading units can correspond to the corresponding hole code storage units, the push rod type hole code reader comprises a push rod, a push rod sleeve hole and a push rod spring, the push rod can longitudinally move in the push rod sleeve hole, the elasticity of the push rod spring enables one part of the push rod to be positioned outside the push rod sleeve hole, when the part of the push rod outside the push rod sleeve hole is pressed, the push rod can be pushed into the push rod sleeve hole, and the push rod is pushed out of the corresponding displacement from the other end of the push rod sleeve hole. The outlet of the other end of the push rod sleeve hole is provided with an electric contact which can be pushed and pressed by the push-out part at the other end of the push rod to act and can be elastically reset.

The utility model discloses a push-down hole code reader, hereinafter be referred to as code reader. The hole code container is hereinafter referred to as a container. The code reader is used together with a storage, information is stored in the storage, each storage unit can store a binary number of one bit, and a 'hole' state can be used as a1 st state and is regarded as a logic 0 state. The non-hole state is used as the 2 nd state, and each code reading unit of the code reader which is regarded as the logic 1 state comprises a push rod, a push rod sleeve hole, a push rod spring and an electric contact.

When the code reader reads the code; the storage device is close to the limiting device of the code reader until the storage device reaches the end position, so that each hole code storage unit on the storage device is respectively aligned with each code reading unit on the code reader by using the limiting device, and actually, each push rod of the code reader is respectively aligned with each hole code unit of the storage device. The elastic force of the push rod spring enables the push rod to extend outwards from the push rod sleeve hole. When one storage unit of the storage device is not provided with a hole, the push rod is pushed into the push rod sleeve hole by the surface without the hole, so that the push rod is pushed out from the other end of the push rod sleeve hole, and the electric contact at the outlet of the push rod sleeve hole is pushed to act, and the logic 1 is considered. When the storage unit is provided with a hole, the push rod is sleeved in the hole, the push rod is not pushed, the electric contact does not act, the logic 0 is considered, one contact is connected with high level, the other contact is used as a signal output end, and the code reader can convert the porous and non-porous states of the storage into electric signals of 0 and 1 by connecting a resistor with low level. The push rod pushes and presses the other end of the action of the electric contact to form a big end of the push rod, so that the push rod can be prevented from being ejected out of the trepanning.

The beneficial effects of the utility model are that: the simple code reader can store the information in the common object by using the hole code, and the code reader reads the information stored in the object to be matched with a digital circuit to make an artificial energy-knowing product. The beneficial effects of the electronic military chess developed by the utility model are further explained below by using the application example of the electronic military chess.

In the electronic military chess, a movable contact spring is arranged at the outlet of the other end of each push rod trepanning, and a movable contact is arranged on the spring. The elastic force of the movable contact spring plate simultaneously acts as a push rod spring, and when the storage device leaves the code reader, the push rod is rebounded to the original position. The storage device is arranged at the bottom of the chessman, namely, the hole code is arranged at the bottom of the chessman, the code reader is provided with a guide frame serving as a limiting device, the inner wall of the guide frame is movably matched with the chessman, and when the chessman is pressed into the guide frame, each hole code unit at the bottom of the guide frame faces each code reading unit of the code reader. I.e. each storage unit of the storage device is aligned with each push rod of the code reader, and the code reading function is generated. If the push rod is opposite to the hole storage unit in the 0 state, the push rod is sleeved in the hole and is not pushed, the code reading unit reads out the 0, the push rod does not generate displacement, and the movable contact does not act as 0. The stationary contact is still low and the data line for that bit is also in the 0 state. When the push rod is opposite to the non-hole storage unit in the 1 state, the push rod is pushed to generate movement, and pushes the movable contact spring piece to move the movable contact, so that the movable contact is closed with the fixed contact, the fixed contact is electrified to output high level, and the data line is also in the 1 state.

The military chess is also called land battle chess, and when two players play the chess, the two players can only see the front faces of the chess pieces of the two players but can not see the front faces of the chess pieces of the other player, and the layout and the use condition of the chess pieces of the other player are not known. The chessmen are general commander, army leader, teacher leader, tourist leader, team leader, camp leader, team member, land mine, bomb and army flag. The general game rules are that the respective secret matrixes are arranged and then played. Both sides can not see the formation of the other side and the condition of mobilizing the forces of the soldiers, and can only guess the mental state of the soldiers catching the other side. When a certain chess piece of a certain party meets (or is pieced together, namely, moves to the same position of coincidence) with a certain chess piece of the other party, the third party needs to see that the former commands the strong force of the weapon to eat and the latter commands the weak force of the weapon to eat and the third party needs to take away according to the sequence of 'general command', 'army leader', 'teachers', 'travelers', 'team leader', 'camp' and 'even leader', 'arrange long', 'workers' and 'soldiers'. If the forces are the same, the patient will be hurt both sides and removed. When the landmine is exposed, the landmine is taken out and kept. However, the soldier can dig the mine, namely the mine is taken away, and the soldier keeps. When the bomb is spliced, the two parties explode together, namely, the two parties are taken out together. Except the land mine, any piece can win by removing the army flag of the other side. Most people have played the military chess. The military chess has multiple uncertain factors and large random change rate, and the chess is high in skill and unlikely to win, so that men, women, old and young can play the military chess. Unfortunately, two people are limited to playing chess and a third person is required to serve the referee. Although the computer can be used for playing on the internet at present, everyone needs to use one computer and occupies the internet time, and the old and children cannot play without knowing the computer.

The electronic military chess is characterized in that hole codes are arranged at the bottoms of the chess pieces, a push rod type hole code reader is respectively matched with the first and second parties, and an electronic referee is formed by the hole code reader and a digital logic circuit. When playing chess by the first and second parties, when two chessmen move to the same position, namely, the two chessmen are pieced together (meet), the pieced chessmen are taken to respective code readers in an electronic judge together, the guide frame is pressed in to read respective codes, and the outgoing line of the fixed contact reed welding point of each code reading unit is as shown in 16 positions in figure 5, the outgoing lines of the 4 code reading units of the first party are respectively: a0, A1, A2 and A3, leading-out lines of 4 code reading units of the second party are respectively as follows: b0, B1, B2 and B3. The special digital logic circuit reads out the codes of each two pieces of military chess, and carries out judgment logic operation according to the game rules of the military chess, and the result is displayed by the light-emitting diode. A green LED and a red LED are respectively arranged on the first side and the second side. If the first party eats the second party, the green light emitting diodes of the first party are bright, and the second party is not bright, the chess pieces of the second party are taken away, and the chess pieces of the first party are kept in the original place. If the second party eats the first party, the green light-emitting diodes of the second party are on, and if the first party is not on, the chess pieces of the first party are taken off, and the chess pieces of the second party are kept in the original position. If the chess pieces of the first party and the second party are the same, the first party and the second party are both septicemic, the green light emitting diodes of the first party and the second party are not bright, and the chess pieces of the first party and the second party are taken away at the same time. If one party is army flag, or the general commander of one party is exploded and died, or the general commanders of both parties are spliced, the red light-emitting diode is bright. The red light-emitting diode is bright, then the two parties A and B mutually disclose and look over the piece of piecing together, can see: if one party is the army flag, the army flag is taken off and is defeated. If a certain party's general commander is exploded, the position of the army flag is exposed, and if the general commander of both parties is both damaged, both parties expose the army flag. Thus, the push rod type hole code reader and the logic circuit can replace a third person to serve as a judge service by the display of three light emitting diodes. And is named as 'electronic military chess'.

The plane outline dimension of the bottom of each chess piece is the same as that of the elastic pressure plate in the figure 4, 4 hole code units are uniformly arranged at the bottom of each chess piece, and the plus in the figure is the center of each hole code unit and is aligned with the center of each code reading unit push rod corresponding to the code reader, such as A0, A1, A2 and A3 in the figure 4, which are four code reading units respectively. Each code reader has 4 code reading units corresponding to the 4 storage units of the chessman. The coding of the chess pieces is shown in fig. 8-19, in the figure, each hole code container unit is arranged at the bottom of the chess piece, the circle represents a hole, and the hole code is 0. No circles indicate no holes and a hole code of 1. The chessman codes are coded from left to right as follows:

fig. 8 is a land mine code 1100. Fig. 9 is a bomb code of 1010. Figure 10 is a general commander code 1001. Fig. 11 is a military length code of 1000. Fig. 12 shows that the master length code is 0111. Fig. 13 shows that the travel length code is 0110. Fig. 14 shows that the clique code is 0101. Fig. 15 shows that the code length is 0100. Fig. 16 shows that the run length code is 0011. Fig. 17 shows that the row length code is 0010. Fig. 18 is an engineer code of 0001. FIG. 19 shows that the military flag code is 0000.

In the encoding: the first bit on the left is 1, only: the mine 1100, bomb 1010, and headquarters 1001 can be identified simply by a two-input and gate.

Drawings

Fig. 1 is a cross-sectional view of the code reader at a code reading unit A3, and fig. 3 and 5 are the situation that the bottom of the chess piece is pressed into the guide frame to be in a code reading state. Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1 or 4. FIG. 4 is a top view of a code reader. Fig. 6 is a partially enlarged view of the elastic platen spring. Fig. 7 is an enlarged partial view of the big end of the push rod. FIG. 20 is an enlarged partial view of the head and the slip ring bore of the setscrew. Fig. 21 is an electronic circuit diagram.

In the figure: contact reed screw 2 of casing 1, movable contact reed 3, elastic pressing plate 4, elastic pressing plate spring 5, elastic positioning column 6, fixed contact reed 7, fixed contact 8, movable contact 9, push rod trepanning 10, push rod 11, front 12 (figure 3) of chess piece, back 13 (figure 3) of chess piece, one position 14 (figure 3) of hole code at bottom of chess piece, movable contact lead-out wire welding point 15 (figure 5), fixed contact lead-out wire welding point 16 (figure 5), guiding frame 17 (figure 5), push rod big head 18 (figure 3), limit screw 19 (figure 2), sliding trepanning 20 (figure 2)

The planar size of the elastic pressing plate 4 is the same as the bottom surface of the chessman, four elastic pressing plate springs 5 are respectively arranged at four corners below the elastic pressing plate, and the positions are shown by dotted circles in figure 4. The push rod is prevented from being exposed and bent.

FIG. 3 shows: the bottom of the chessman is pressed into a guide frame of the code reader, the elastic pressing plate is pressed downwards, the storage unit at the bottom of the chessman is in a non-hole 1 state, thus the push rod is pushed downwards, the other end of the push rod, namely the big end of the push rod, presses the movable contact reed downwards, and the movable contact moves downwards to be closed with the fixed contact. When the chessman is taken away, the elastic force of the movable contact spring leaf makes the movable contact spring leaf return to the normally open state and presses the push rod back to the original position, and the elastic pressing plate also springs back to the original position under the action of the four springs. Fig. 5 shows a state where the reservoir is in a0 state with a hole, and the push rod enters the hole without being pushed, and the contact does not operate. A stop screw 19 passes through a sliding sleeve hole in the housing from below and is screwed on the elastic pressure plate, so that the elastic pressure plate is limited in a proper position in the guide frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the figure, the push rod type hole code reader mainly comprises a shell 1, a contact reed fastening screw 2, a movable contact spring 3, an elastic pressing plate 4, an elastic pressing plate spring 5, a spring positioning column 6, a fixed contact reed 7, a fixed contact 8, a movable contact 9, a push rod sleeve hole 10, a push rod 11, a movable contact lead-out wire welding point 15, a fixed contact lead-out wire welding point 16, a guide frame 17, a push rod big head 18, a limiting screw 19, a sliding sleeve hole 20 and the like.

The shell 1 is made of plastic, and is formed by plastic injection molding through a mold together with the guide frame 17, the push rod sleeve hole 10, the spring positioning column 6, the sliding sleeve hole 20 and self-tapping screw holes of 8 contact reed fastening screws. The contact reed fastening screw 2 is a self-tapping screw, the limit screw 19 is also a self-tapping screw, but the part matched with the sliding sleeve hole is not provided with threads and is plain, and a sleeve with smooth appearance can be added on the part matched with the sliding sleeve hole by using the self-tapping screw with enough length. The movable contact spring 3 and the fixed contact spring 7 can be made of phosphor copper sheets with good elasticity, one end is embedded with a silver contact, and the other end is formed by punching a screw Kong Zaiyong at a proper position and bending by a die. The push rod can be made of brass or aluminum, one end of the push rod is pressed into a large end as shown in fig. 7, but a large end with a middle opening can be additionally manufactured to be sleeved on the push rod and then fixed with the push rod by a welding or bonding method, so that the push rod cannot be ejected too much by the push rod spring to play a positioning role. The elastic pressing plate 4 is provided with a self-tapping screw hole in the middle and 4 push rod sleeve holes and is also formed by plastic injection molding at one time. 4 elastic pressure plate springs are sleeved on the spring positioning columns 6, the springs can be installed in the size shown in the figure, and the elasticity of the elastic pressure plate after installation can be felt by hands to be proper.

The number of the code readers is two, namely a first party (A party) and a second party (B party), each code reader is provided with 4 code reading units, and all the moving contact leading-out wire welding points of the two code readers are connected with a high level. The static contact lead-out wire is as follows: and the four code reading unit static contacts facing to the first side (the A side) output data lines, namely A0, A1, A2 and A3 from left to right. And the data lines are output by the static contacts of the four code reading units facing the second party (the B party), and are B0, B1, B2 and B3 from left to right respectively. Respectively connected to the input ends of the A side and the B side of the electronic circuit, and FIG. 21 is an example of an electronic judge circuit of military chess; the judgment result is displayed by the light emitting diode. The specific connections are as follows:

output lines A0, A1, A2 and A3 of the first-party code reader are respectively connected to homonymous terminals A0, A1, A2 and A3 of the four-digit digital comparator, and four end points are respectively connected to A0-potential public terminal through resistors r0, r1, r2 and r 3 r. B square code reader output lines B0, B1, B2 and B3 are respectively connected to homonymous terminals B0, B1, B2 and B3 of the four-digit comparator, and four end points are respectively connected to a0 potential common terminal through resistors r4, r5, r6 and r 7;

the digital logic circuit is connected as follows:

the A0 line and the A1 line are respectively connected with two input ends of a two-input AND gate U1, the B0 line and the B1 line are respectively connected with two input ends of a two-input AND gate U11, and the A0 line, the A1 line and the A2 line are respectively connected with three input ends of a three-NOR gate U2; the output line of U2, the output line of A3 and the output line of U11 are respectively connected to three input ends of a three-input AND gate U3, and the lines B0, B1 and B2 are respectively connected to three input ends of a three-NOR gate U12; the output line of U12, the output line of B3 and the output line of U1 are respectively connected to three input ends of a three-input AND gate U13; the line A & gtB is inverted by a phase inverter U4 and then is respectively connected with the line A0 and the line A3 to three input ends of a three-input AND gate U5, and the line A & ltB is inverted by a phase inverter U14 and then is respectively connected with the line B0 and the line B3 to three input ends of a three-input AND gate U15; the line A0 and the line A2 are respectively connected to two input ends of a two-AND gate U6, and the line B0 and the line B2 are respectively connected to two input ends of a two-AND gate U16; the A0 line, the A1 line, the A2 line and the A3 line are respectively connected to four input ends of a four-NOR gate U7, the B0 line, the B1 line, the B2 line and the B3 line are respectively connected to four input ends of a four-NOR gate U17, and output lines of the A & gtB line and the U3 line are respectively connected to two input ends of a two-input OR gate U8; the output lines of the line A < B and the line U13 are respectively connected to two input ends of a two-input OR gate U18; the output line of U6, the output line of U16 and the output line of U13 are respectively connected to three input ends of a three-input NOR gate U9, the output line of U6, the output line of U16 and the output line of U3 are respectively connected to three input ends of a three-input NOR gate U19, the output line of U8 and the output line of U9 are respectively connected to two input ends of a two-input AND gate U10, the output line of U18 and the output line of U19 are respectively connected to two input ends of a two-input AND gate U20, the output line of U10 is input to the base electrode of a triode S1 through a resistor r8, and the triode S1 drives a first-square green light emitting diode F1 to emit light; the output line of U20 is input to the base of the triode S2 through the resistor r9, the triode S2 drives the second-side green light-emitting diode F2 to emit light, the output line of U5, the output line of U7, the output line of U15, the output line of U17, the output line of the added U1, the line a of the normally open contact of the button Aa and the output line of U11 are respectively connected to six input ends of the six-OR gate U21 through the line b of the normally open contact of the button Ab, the output line of U21 is connected to the base of the triode S3 through the resistor r10, and the red light-emitting diode F3 is driven to emit light through S3.

The and gates, or gates, nor gates described above can be found in digital circuit component manuals.

Description of the circuit principle: the chessman codes are four-digit binary numbers, and the codes are respectively as follows: a mine 1100. Bomb 1010 is generally commander 1001. The army has a length of 1000. The teacher is 0111. The travel length is 0110. The clique is 0101. The camp length is 0100. And a length of 0011. Row length 0010. An engineer 0001. Military flag 0000. Arranged from big to small. When the chess pieces of the first party and the second party are pieced together, the first party and the second party are taken together to the respective code readers to read binary numbers, the binary numbers read by the A party and the B party are respectively input into the homonymous ends of A0, A1, A2, A3, B0, B1, B2 and B3 of the four comparators, if the reading of the A party is greater than that of the B party, namely, the line A is greater than the line B and is high level, and the line A is less than the line B and is low level. If the reading of the B side is larger than the A side, the line A < B is high level, and the line A > B is low level. If the readings of the two parties are equal, the line A is greater than the line B and the line A is less than the line B is low level, and the lines are respectively connected to the input ends of the light emitting diode drivers corresponding to the party A and the party B, so that the situation that the command force is large and the command force is small can be judged. However, the judgment of several special conditions needs to be solved, so the line A > B is connected to the circuit for driving the first-party green light-emitting diode through the two-input AND gates U8 and U10. The line A < B is connected to the circuit for driving the B-side green light emitting diode through two-input AND gates U18 and U20 for controlling the above special conditions. The following special case decisions are also addressed: only one of A, B will be described below, and the same principle will not be repeated for the other.

Firstly, the engineer can dig the mine; the processing method comprises the following steps: the lines A0 and A1 are respectively connected to two input ends of a two-input AND gate U1, and in the chessman codes, only the land mine 1100, the general commander 1001 and the bomb 1010 with the first position 1 from the left are provided. As long as the A0 and A1 lines are both 1, the mine is determined, and the U1 can output 1 which is the code of the mine. The code of the engineer is 0001, the lines B0, B1 and B2 are all 0 and are respectively connected to three input ends of a three-NOR gate U12, the output line 1 of the U12 is 1, the output line 1 of the B3 is 1, namely the output lines of the B3 line and the U12 are 1, namely the engineer, therefore, the output lines of the B3 line and the U12 (namely the engineer) and the output line of the U1 (namely the mine line on the A side) are respectively connected to three input ends of a three-input AND gate U13, and the U13 outputs high level, namely the engineer on the B side meets the mine on the A side. The logical algebraic expression is as follows:

a mine: a0 · A1=1u1=1

U12=1 engineer

The soldier meets the mine:u13=1 this is the engineer that a landmine encounters B. At this time, on one hand, the output line of the U13 is connected to the input end of the three-NOR gate U9 on the A side, so that the U9 outputs a low level, the U10 is locked, the U10 outputs a low level, and the light emitting diode on the A side is not bright, on the other hand, the output line of the U13 is connected to one input end of the two-input OR gate U18 on the B side, so that the U18 outputs a high level to enter the U20, at this time, the three input ends of the U19 are all low levels, the output is also high level, the U20 is turned on to output a high level, and the triode S2 drives the light emitting diode F2 on the B side to emit light. And displaying that the chess pieces (landmines) of the first party are to be taken away.

The second step is as follows: according to the game rule: general casualties, the military flag is exposed; the read total commander code is 1001, namely the line A0 and the line A3 are 1, the line A > B is low level, the line A > B outputs high level after passing through an inverter U4,

the lines A and B are inverted through a phase inverter U4 and then are respectively connected with the line A0 and the line A3 to three input ends of a three-input AND gate U5, the U5 outputs a high level to be a total commander paroxysmal signal, an output line of the U5 is connected with one input end of a six-OR gate U21 to enable the U21 to output a high level, and the triode S3 drives a red light emitting diode F3 to be bright to indicate that two spliced chesses are publicly seen by two parties, so that the fact that the party A is taken away to be the total commander, the total commander paroxysmal is seen, and the party A is required to expose military flags.

And thirdly, when the bomb is encountered, both the bomb and the bomb are exploded and taken out together, the bomb code is 1010, namely A0 and A2 are high level, A0 & A2=1, an A0 line and an A2 line are respectively connected to two input ends of a two-input AND gate U6, an output line of the U6 is respectively connected to one input end of a three-input NOR gate U9 and one input end of another three-input NOR gate U19, so that the U9 and the U19 output low level, the U10 and the U20 are locked, neither can drive a green light-emitting diode to emit light, and the two can be taken out.

And fourthly, whether the army flag of any party is dialed or fried is judged to be failed.

The military flag is coded as 0000, i.e., the A0, A1, A2, and A3 lines are all low. A0 line, A1 line, A2 line and A3 line are respectively connected to four input ends of a four-input NOR gate U7, B0 line, B1 line, B2 line and B3 line are respectively connected to four input ends of a four-input NOR gate U17, and output lines of U7 and U17 are respectively connected to two input ends of a six-input NOR gate U21, so that the military flag of one party is pieced by the other party, and when the military flag is taken to a code reader to be read out 0000, the U7 or U17 outputs high level to the U21, and the U21 also outputs high level to a triode S3 to drive a red light emitting diode F3 to be bright. The two chessmen are indicated to be publicly checked, so that the army flag of one party is seen to be dialed by the other party to be distinguished as a win or a loss.

And fifthly: it is stipulated that the landmine cannot move and can only be placed on the bottom line and the adjacent lines. Therefore, the output line of U1 is connected in series with a pair of normally open contacts of a test button Aa to a line a, the line a is connected to one input end of U21, the output line of U11 is connected in series with a pair of normally open contacts of a test button Bb to a line b, the line b is connected to the other input end of U21, when the other party is suspected to move the mine or the mine is placed at a position which does not allow the mine to be placed, the suspected person can be required to take the suspected person to read codes, the test button of the mine on the party is pressed at the same time, and if the person is the mine, a red light emitting diode is lightened to indicate the movement or placement position of the mine. Aa. Bb are the landmine test buttons of the party A and the party B respectively.

When two parties lay arrays, three land mines and military flags are left open, after the front chess pieces are laid, the three land mines and other chess pieces are laid on the two lines at the bottom, and then the military flags and the other chess piece are laid on two large-base camps. Too many re-scheduling tests may be avoided.

The integrated circuits of the various gates in the digital circuit can be found in the manual and connected as shown in fig. 21. In the figure, K is a power switch, C is a 2200 μ F, 50V bypass capacitor, and r8, r9, r10 are 5K Ω resistors. r11 and r12 are 300 Ω resistances. 5V regulated power supply is arranged, and a printed circuit board is manufactured and is provided with necessary connectors and connecting wires.

Claims

1. The push rod type hole code reader is characterized by comprising a push rod, a push rod trepanning and a push rod spring, wherein the push rod can longitudinally move in the push rod trepanning, the elasticity of the push rod spring enables one part of the push rod to be positioned outside the push rod trepanning, when the push rod is pressed at the outside part of the push rod trepanning, the push rod can be pushed into the push rod trepanning, and is pushed out of the corresponding displacement from the other end of the push rod trepanning, and an electric contact which can be elastically reset and can be pushed by the other end of the push rod to act is arranged at the outlet of the other end of the push rod trepanning.