CN104966656B - Cathode ray magnetic following response speed training device - Google Patents

Cathode ray magnetic following response speed training device Download PDF

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Publication number
CN104966656B
CN104966656B CN201510375810.XA CN201510375810A CN104966656B CN 104966656 B CN104966656 B CN 104966656B CN 201510375810 A CN201510375810 A CN 201510375810A CN 104966656 B CN104966656 B CN 104966656B
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CN
China
Prior art keywords
cathode ray
permanent magnet
ray tube
sliding part
pair
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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.)
Expired - Fee Related
Application number
CN201510375810.XA
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Chinese (zh)
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CN104966656A (en
Inventor
吴喜军
赵炳炎
李小华
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Yulin Normal University
University of South China
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Yulin Normal University
University of South China
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.)
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Publication date
Application filed by Yulin Normal University, University of South China filed Critical Yulin Normal University
Priority to CN201510375810.XA priority Critical patent/CN104966656B/en
Priority to CN201610633937.1A priority patent/CN106206222B8/en
Priority to CN201610631420.9A priority patent/CN106298426B/en
Priority to CN201610631419.6A priority patent/CN106098526B/en
Priority to CN201610631418.1A priority patent/CN106683961B/en
Publication of CN104966656A publication Critical patent/CN104966656A/en
Application granted granted Critical
Publication of CN104966656B publication Critical patent/CN104966656B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70Arrangements for deflecting ray or beam
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411Constructional aspects of the reactor
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/0053Apparatus generating random stimulus signals for reaction-time training involving a substantial physical effort
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70Arrangements for deflecting ray or beam
    • H01J29/701Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70Arrangements for deflecting ray or beam
    • H01J29/701Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/706Deviation correction devices, i.e. having the same action on each beam
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70Arrangements for deflecting ray or beam
    • H01J29/72Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76Deflecting by magnetic fields only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3402Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Radiation-Therapy Devices (AREA)
  • Rehabilitation Tools (AREA)
  • Instructional Devices (AREA)
  • Toys (AREA)

Abstract

The invention discloses a kind of cathode ray magnetic following response speed training device, cathode ray tube is fixed on platform by support, and cathode ray is the level of state;Upper permanent magnet is positioned at above cathode ray tube, cathode ray tube is arranged over sliding pair, the stationary part of upper sliding pair is connected on platform by support, upper permanent magnet connects as one with the sliding part of upper sliding pair, the glide direction of the sliding part of upper sliding pair is vertical direction, the sliding part of upper sliding pair is hinged with connecting rod, and rod hinge connection connects crank, and crank connects drive mechanism;Lower permanent magnet is positioned at below cathode ray tube, lower slider it is provided with secondary below cathode ray tube, the stationary part of lower slider pair is connected on platform by support, lower permanent magnet connects as one with the sliding part of lower slider pair, the glide direction of the sliding part that lower slider is secondary is vertical direction, and the sliding part of lower slider pair connects handle;Upper permanent magnet is relative and vertically aligned with lower permanent magnet homopolarity.

Description

Cathode ray magnetic following response speed training device
Technical field
The present invention relates to a kind of hand-eye coordination response speed exercising device, particularly relate to a kind of cathode ray magnetic following response speed training device.
Background technology
In life, people participate in every motion and activity, the quality of its motion all has direct relation with person's development speed, the easier triumph of people that agile response speed is fast, and then the training of concern response speed the most very in peacetime training, the lifting of response speed is possible not only to obtain preferably sports achievement, it is also possible to linkage improves the agility of thinking, and the training of such response speed has just had wider array of application.Through summary of experience, response speed training has had preferably theory support, the visual system entering people from scene can be shortened to the time making movement response by reasonably training, the training of present this respect, be all in the middle of actual motion repeatedly repeat some actions implement, it is all by selection optimum response opportunity in combat training, but it is not to carry out at any time by environmental effects such as places, and the load trained is the biggest, how to alleviate training strength, it is a shortcut that exercising device outside utilizing suitable place under battle conditions carries out response speed training, but so apparatus still awaits exploitation.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of cathode ray magnetic following response speed training device.
The technical solution used in the present invention is: a kind of cathode ray magnetic following response speed training device, it is characterised in that include cathode ray tube, upper permanent magnet and lower permanent magnet;Cathode ray tube is fixed on platform by support, and cathode ray is the level of state;Upper permanent magnet is positioned at above cathode ray tube, cathode ray tube is arranged over sliding pair, the stationary part of upper sliding pair is connected on platform by support, upper permanent magnet connects as one with the sliding part of upper sliding pair, the glide direction of the sliding part of upper sliding pair is vertical direction, the sliding part of upper sliding pair is hinged with connecting rod, and rod hinge connection connects crank, and crank connects drive mechanism;Lower permanent magnet is positioned at below cathode ray tube, lower slider it is provided with secondary below cathode ray tube, the stationary part of lower slider pair is connected on platform by support, lower permanent magnet connects as one with the sliding part of lower slider pair, the glide direction of the sliding part that lower slider is secondary is vertical direction, and the sliding part of lower slider pair connects handle;Upper permanent magnet is relative and vertically aligned with lower permanent magnet homopolarity.
Further, described upper permanent magnet is connected with the sliding part of upper sliding pair by a spring.
Further, the stationary part of described upper sliding pair is connected with support by upper rail, and the stationary part of lower slider pair is connected with support by lower guideway, and the direction of motion of upper rail and lower guideway is horizontal direction.
Further, described cathode ray tube inner cathode ray is left and right is respectively equipped with vertical left fluorescent screen and right fluorescent screen.
Further, a left side in described cathode ray tube, right fluorescent screen has been respectively fixedly connected with left substrate, right substrate, bracing frame relatively-stationary with its shell position it is provided with in cathode ray tube, left substrate is by the left guide pillar coordinated, left guide pin bushing is connected with bracing frame, right substrate is by the right guide pillar coordinated, right guide pin bushing is connected with bracing frame, left substrate, the identical left connecting rod of length and right connecting rod it is respectively articulated with on right substrate, left connecting rod and the right connecting rod other end are near being hinged on a drive block, drive block is provided with screw thread, it is provided with the rotation drive block that axial location is fixing with this threaded engagement, rotate the conductor piece that drive block axial outer end is provided with at cathode ray tube shell and rotates drive block coaxial rotating, corresponding conductor piece is externally provided with rotary magnetic drive mechanism at cathode ray tube shell.
Further, described rotary magnetic drive mechanism is a driving permanent magnet identical with conductor piece shape, and driving permanent magnet to connect has rotating handle.
Further, described rotary magnetic drive mechanism is an electric magnet identical with conductor piece shape, and electric magnet connects driving motor, and the rotation axis driving motor DM is coaxial with rotation drive block.
Further, described electromagnet coil is connected with driving motor current supply circuit, and electromagnet coil is connected with current supply circuit by conducting slip ring.
Further, described conductor piece is more than two panels, to rotate drive block axis for the distribution of axle circumference uniform array, driving permanent magnet quantity and position and conductor piece one_to_one corresponding.
Further, described left and right guide pillar is vertical with left and right fluorescent screen respectively.
Further, described left guide pillar upper end, right guide pillar lower end tilt to same direction respectively.
Further, the described cathode ray tube shell relative with conductor piece position is provided with and caves inward, in horn-like.
Further, upper permanent magnet, lower permanent magnet are the permanent magnets of same specification.
When the present invention uses, cathode ray tube energising produces electron beam, electron beam is deflected fluctuation by upper permanent magnet reciprocating motion effect, now the hand-held lower permanent magnet of trainee is made a response with the action of upper permanent magnet, make lower permanent magnet that electron beam is produced the variation magnetic field of and upper permanent magnet opposite in phase, with the upper permanent magnet effect to electron beam of balance, electron beam is made to tend to straight, if electron beam amplitude of variation is bigger in Xun Lian, illustrate that the response speed of trainee is relatively slow, be adapted to the training of different grade of difficulty by the upper permanent magnet movement velocity of regulation.The training of this device is not restricted by place, and training load is little, can improve response speed and judgement on opportunity, and as the training beyond actual combat, effect is notable, it is also possible to for the training of child's sensory integration, training aids hand-eye coordination ability.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one overall structure schematic diagram.
Fig. 2 is the embodiment of the present invention two cathode ray tube overall structure schematic diagram.
Fig. 3 is the embodiment of the present invention two vertical plane structural representation.
Fig. 4 is internal 30 structural representations of the embodiment of the present invention two.
Fig. 5 is the cross-sectional structural representation of the embodiment of the present invention two.
Fig. 6 is electromagnetic rotary Magnetic driving structural scheme of mechanism of the present invention.
Fig. 7 is the cross-sectional structural representation of the embodiment of the present invention three.
Fig. 8 is that in the present invention, permanent magnet passes through spring connecting structure figure.
Label title in figure: 1 cathode ray tube;Permanent magnet on 2;3 times permanent magnets;4 platforms;The stationary part of sliding pair on 5;The sliding part of sliding pair on 6;7 connecting rods;8 left guide grooves;9 cranks;10 motors;The stationary part that 11 lower slider are secondary;The sliding part that 12 lower slider are secondary;13 handles;14 upper rails;15 lower guideways;16 left fluorescent screens;17 right fluorescent screens;18 left substrates;19 right substrates;20 bracing frames;21 left guide pillars;22 left guide pin bushings;23 right guide pillars;24 right guide pin bushings;25 left connecting rods;26 right connecting rods;27 drive blocks;28 rotate drive block;29 conductor pieces;30 drive permanent magnet;31 rotating handles;32 electric magnet;33 conducting slip rings;34 left guide pillars;35 right guide pillars;36 springs;37 right guide grooves.
Detailed description of the invention
The embodiment of the present invention one is as it is shown in figure 1, this cathode ray magnetic following response speed training device is provided with cathode ray tube 1, upper permanent magnet 2 and lower permanent magnet 3;Cathode ray tube is fixed on platform 4 by support, and cathode ray is the level of state;Upper permanent magnet is positioned at above cathode ray tube, cathode ray tube is arranged over sliding pair, the stationary part 5 of upper sliding pair is connected on platform by support, upper permanent magnet connects as one with the sliding part 6 of upper sliding pair, and the glide direction of the sliding part of upper sliding pair is vertical direction, and the sliding part of upper sliding pair is hinged with connecting rod 7, rod hinge connection connects crank 9, crank connects drive mechanism, and drive mechanism can be hand-rail type or hand spring energy storage formula, and the drive mechanism of the present embodiment is motor 10;Lower permanent magnet is positioned at below cathode ray tube, lower slider it is provided with secondary below cathode ray tube, the stationary part 11 of lower slider pair is connected on platform by support, lower permanent magnet connects as one with the slip 12 of lower slider pair, the glide direction of the sliding part that lower slider is secondary is vertical direction, and the sliding part of lower slider pair connects handle 13;Upper permanent magnet is relative and vertically aligned with lower permanent magnet homopolarity.
For the ease of regulation, on the present embodiment, the stationary part of sliding pair is connected with support by upper rail 14, the stationary part of lower slider pair is connected with support by lower guideway 15, the direction of motion of upper rail and lower guideway is horizontal direction, can make upper permanent magnet, lower permanent magnet and cathode ray on same vertical plane with horizontal adjustment, when certainly implementing, this level(l)ing mechanism can also be located on cathode ray tube, or is directly fixedly connected on support after regulating.
When the present invention uses, cathode ray tube energising produces electron beam, upper permanent magnet moves back and forth under driving motor effect, close, away from cathode ray tube, electron beam is deflected fluctuation by Lorentz force effect, now the hand-held lower permanent magnet of trainee is made a response with the action of upper permanent magnet, make lower permanent magnet that electron beam is applied one and the rightabout magnetic field of upper permanent magnet, with the upper permanent magnet effect to electron beam of balance, electron beam is made to tend to straight, if electron beam amplitude of variation is bigger in Xun Lian, illustrate that the response speed of trainee is slower, the training of different grade of difficulty it is adapted to by the upper permanent magnet movement velocity of regulation, drive motor several gear can be set or use speed governing frequency conversion motor.The training of this device is not restricted by place, and training load is little, can improve response speed and judgement on opportunity, and as the training beyond actual combat, effect is notable, it is also possible to for the training of child's sensory integration, training aids hand-eye coordination ability.
Further, upper permanent magnet, lower permanent magnet are the permanent magnets of same specification.Same specification value must be that shape, size, magnetic induction are the most identical.So it is easy to obtain magnetic field in opposite direction.
nullThe embodiment of the present invention two is if Fig. 2 is to shown in 5,This cathode ray magnetic following response speed training device,Left at cathode ray tube inner cathode ray、The right side is respectively provided with vertical left fluorescent screen 16 and right fluorescent screen 17,A left side in cathode ray tube、Right fluorescent screen is respectively fixedly connected with at left substrate 18、Right substrate 19,Bracing frame 20 relatively-stationary with its shell position it is provided with in cathode ray tube,Left substrate is by the left guide pillar 21 coordinated、Left guide pin bushing 22 is connected with bracing frame,Right substrate is by the right guide pillar 23 coordinated、Right guide pin bushing 24 is connected with bracing frame,Left substrate、The identical left connecting rod 25 of length and right connecting rod 26 it is respectively articulated with on right substrate,Left connecting rod and the right connecting rod other end are near being hinged on a drive block 27,Drive block is provided with screw thread,It is provided with the rotation drive block 28 that axial location is fixing with this threaded engagement,Rotate the conductor piece 29 that drive block axial outer end is provided with at cathode ray tube shell and rotates drive block coaxial rotating,(various equivalent modifications should be known,Conductor piece should be prepared by nonmagnetic substance,Such as prepared by copper,Such as prepared by aluminum,Such as prepared by zinc,Conductor piece 29 should not select ferrum、Cobalt、Nickel material.) corresponding conductor piece is externally provided with rotary magnetic drive mechanism at cathode ray tube shell;The present embodiment rotary magnetic drive mechanism is a driving permanent magnet 30 identical with conductor piece shape, and driving permanent magnet to connect has rotating handle 31;The cathode ray tube shell relative with conductor piece position is provided with and caves inward, in horn-like, permanent magnet is driven to put into horn-like depression, rotate with rotating handle and drive permanent magnet, permanent magnet is driven to drive conductor piece to rotate (according to Lenz's law) across cathode ray shell, conductor piece is rotated drive block makes drive block move axially, drive block drives a left side by left connecting rod and right connecting rod, right guide pin bushing is close or separates, thus regulate a left side, the spacing of right fluorescent screen, driving permanent magnet is removed after being transferred to suitable interval, avoid its magnetic field that training is produced interference, isolation transmission good leak tightness, left, the spacing of right fluorescent screen is stable.The setting of the left and right fluorescent screen of the present embodiment, can beat on fluorescent screen when electron beam deviation is bigger, and fluorescent screen sends bright spot, so judge just can be better seen, make judge more accurately with just, and left and right fluorescent screen spacing is adjustable, can arrange different training difficulty.
Why the present invention uses such regulative mode?Reason is: such regulative mode does not change the volume of cathode ray tube interior.
During enforcement, in embodiment two, conductor piece is more than two panels, is distributed for axle circumference uniform array rotating drive block axis, drives permanent magnet quantity and position and conductor piece one_to_one corresponding, drive magnetic force link more stable.
Cathode ray tube inner cathode ray is left and right is respectively equipped with vertical left fluorescent screen and right fluorescent screen.The reason the most so arranged is: generally people use magnetic induction line generally vertical direction but the most oblique magnetic field, so cause electron beam horizontal direction to deflect.Such as use bar magnet as upper permanent magnet and lower permanent magnet.
Various equivalent modifications is it is to be understood that uniform magnetic field can not be used.
Rotary magnetic drive mechanism in embodiment two during enforcement, can be also an electric magnet identical with conductor piece shape, as shown in Figure 6, electric magnet 32 connects driving motor, the rotation axis driving motor DM is coaxial with rotation drive block, and electromagnet coil is connected with driving motor current supply circuit, and electromagnet coil is connected with current supply circuit by conducting slip ring 33, regulate the spacing of left and right fluorescent screen with the solenoid actuated conductor piece rotated, automatization is convenient laborsaving.During enforcement, electromagnet coil also can connect power supply separately through a conducting slip ring, can cut off the electricity supply voluntarily.
Electric magnet 32 uses the electric magnet of iron-core-free, the electric magnet of iron-core-free to be used?Because iron core often has remanent magnetism, the motion of electron beam can be interfered by remanent magnetism, be difficult to allow electron beam only upper permanent magnet, lower permanent magnet effect under keep balance.In like manner, the wire of coiling electric magnet can not select ferrum, cobalt, nickel to prepare.
Electromagnet coil is connected with driving motor current supply circuit, its reason is: electric magnet energising magnetic field to be produced, this magnetic field produces interference to the motion of electron beam, have undesirable effect using the present invention, the when that the benefit of series connection being exactly not rotate, electric magnet does not produce magnetic field, and the motion on electron beam does not affect.
Electromagnet coil is connected with current supply circuit by conducting slip ring 33, and its reason is: electromagnet coil is connected with driving motor current supply circuit, and electric magnet to rotate, and is so designed with a technical problem: inconvenience is powered to electric magnet.Electromagnet coil is connected with current supply circuit by conducting slip ring 33, it is possible to solve this problem.
Embodiment two middle left and right guide pillar is vertical with left and right fluorescent screen respectively, guide pillar is cylindrical, during enforcement, this guiding mechanism can also be tilting non-cylindrical, as shown in embodiment three Fig. 7, left guide pillar 34 upper end, right guide pillar 35 lower end tilt to same direction respectively, left guide pillar 34 is dove-tail form with right guide pillar 35 cross section, is respectively fitting in left guide groove 8, right guide groove 37, equally realizes the regulation of left and right fluorescent screen spacing.
When the present invention implements, upper permanent magnet is connected with the sliding part of upper sliding pair by a spring 36, as shown in Figure 8, utilizes spring to increase motion complexity, heightens training difficulty further.
Being only present pre-ferred embodiments in sum, all equivalences done according to the application are modified and prior art interpolation is accordingly to be regarded as the technology of the present invention category.

Claims (1)

1. a cathode ray magnetic following response speed training device, it is characterised in that bag Include cathode ray tube, upper permanent magnet and lower permanent magnet;Cathode ray tube passes through Support is fixed on platform, and cathode ray is the level of state;Upper permanent magnetism position Above cathode ray tube, cathode ray tube is arranged over sliding pair, on The stationary part of sliding pair is connected on platform by support, and upper permanent magnet is with upper The sliding part of sliding pair connects as one, the slip of the sliding part of upper sliding pair Direction is vertical direction, and the sliding part of upper sliding pair is hinged with connecting rod, connecting rod Being hingedly connected with crank, crank connects drive mechanism;Lower permanent magnet is positioned at Below cathode ray tube, it is provided with lower slider below cathode ray tube secondary, glides Dynamic secondary stationary part is connected on platform by support, lower permanent magnet and downslide Dynamic secondary sliding part connects as one, the slip side of the sliding part that lower slider is secondary To for vertical direction, the secondary sliding part of lower slider connects handle;Upper permanent magnetism Body is relative and vertically aligned with lower permanent magnet homopolarity.
CN201510375810.XA 2015-06-30 2015-06-30 Cathode ray magnetic following response speed training device Expired - Fee Related CN104966656B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201510375810.XA CN104966656B (en) 2015-06-30 2015-06-30 Cathode ray magnetic following response speed training device
CN201610633937.1A CN106206222B8 (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
CN201610631420.9A CN106298426B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
CN201610631419.6A CN106098526B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
CN201610631418.1A CN106683961B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device

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Application Number Priority Date Filing Date Title
CN201510375810.XA CN104966656B (en) 2015-06-30 2015-06-30 Cathode ray magnetic following response speed training device

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CN201610631418.1A Division CN106683961B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
CN201610633937.1A Division CN106206222B8 (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
CN201610631419.6A Division CN106098526B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
CN201610631420.9A Division CN106298426B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device

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CN104966656B true CN104966656B (en) 2016-11-30

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CN201610631420.9A Active CN106298426B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
CN201510375810.XA Expired - Fee Related CN104966656B (en) 2015-06-30 2015-06-30 Cathode ray magnetic following response speed training device
CN201610631419.6A Active CN106098526B (en) 2015-06-30 2015-06-30 Cathode-ray magnetic following response speed training device
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SU1536431A1 (en) * 1987-06-24 1990-01-15 Львовский Государственный Университет Им.Ив.Франко Training aid on physics for investigation of movement of electrons in electric and magnetic fields

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CN106683961B (en) 2018-03-16
CN106298426A (en) 2017-01-04
CN106683961A (en) 2017-05-17
CN106206222B8 (en) 2018-01-26
CN104966656A (en) 2015-10-07
CN106098526A (en) 2016-11-09
CN106206222A (en) 2016-12-07
CN106206222B (en) 2017-12-22
CN106098526B (en) 2017-09-29

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