Pointer
A pointer and red light technology, applied in the field of teaching appliances, can solve problems such as inconvenience, easy sweating, and student distress, and achieve the effects of low manufacturing cost, convenient use and simple structure
Inactive Publication Date: 2009-09-02
刘月升
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- Abstract
- Description
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Problems solved by technology
[0002] At present, teachers often use pointers when they are in class and when lecturers in exhibition halls give instructions to the audience. The pointers used are generally wooden sticks, bamboo sticks or metal hollow tubes. The disadvantage is that they cannot make students concentrate and some eyesight Poor students can't see the pointer clearly, let alone the place indicated by the pointer, which has caused troubles for students
For teachers or instructors, ordinary stick-shaped pointers are difficult to hold, especially in summer, hands are prone to sweat, and holding the pointer is easy to slip, which is very inconvenient
Method used
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[0010] Accompanying drawing is a kind of specific embodiment of the present invention.
[0011] The pointer of the present invention is special in that: one end is provided with a red light bulb 1, the other end is provided with a ring handle 2, a battery 3 and a switch 4, and the ring handle is provided with a rubber sheath.
[0012] When in use, the teacher or explainer holds the ring handle with his hand, which is not easy to slip and feels comfortable. Turn on the switch to make the red light bulb at the other end of the pointer glow, so that the instructions are clear and students can see clearly. The rubber cover can enhance the anti-skid effect.
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The invention relates to a pointer which is characterized in that: a light bulb radiating red light is arranged at one end; and a ring-shaped handle, a battery and a switch are arranged at the other end; and a rubber sleeve is arranged on the ring-shaped handle. The pointer has the advantages of simple structure, portability, low manufacturing cost, convenient use for teachers and easily looking and easy concentration for students.
Description
(1) Technical field [0001] The invention belongs to teaching tools and relates to a pointer. (2) Background technology [0002] At present, teachers often use pointers when they are in class and when lecturers in exhibition halls give instructions to the audience. The pointers used are generally wooden sticks, bamboo sticks or metal hollow tubes. The disadvantage is that they cannot make students concentrate and some eyesight Poor students can't see the pointer clearly, let alone the place pointed by the pointer, which has caused troubles for students. For teachers or lecturers, ordinary stick-shaped pointers are difficult to hold, especially in summer, hands tend to sweat, and holding the pointer is easy to slip, which is very inconvenient. (3) Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the present invention provides a pointer that is easy for teachers to use and easy for students to see and concentrate on. [0004] The...
Claims
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Inventor 刘月升
Owner 刘月升