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Simple book inquiry system

An inquiry system and book technology, applied in the field of book management, can solve the problems of inconvenient inquiry, inconvenient inquiry and management, lack of book inquiry facilities, etc., and achieve the effect of facilitating inquiry and management and overcoming inconvenience in inquiry and management.

Inactive Publication Date: 2012-06-20
杨丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the field of book management technology, there is no book query facility specially set up on the bookshelf, and the query is inconvenient
[0003] In the process of realizing the present invention, the inventor found that there are at least defects such as inconvenient query and management in the prior art

Method used

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Embodiment Construction

[0018] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0019] According to an embodiment of the present invention, a simple book query system is provided. Such as figure 1 As shown, the present embodiment includes a multi-layer bookshelf, a power supply 7, a control switch 1, a normally open relay 2, and the 1st to n book indication units arranged in parallel; the negative pole of the power supply 7 is grounded; the positive pole of the power supply 7 is sequentially controlled by the control switch 1 and the electromagnetic coil of the normally open relay 2 are then grounded, and the contact switch of the normally open relay 2 is grounded with each book indicating unit in turn; n is a natural number.

[0020] Wherein,...

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PUM

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Abstract

The invention discloses a simple book inquiry system, which comprises a power supply, a control switch, a normally opened relay and first to nth book indicating units, wherein the first to nth book indicating units are arranged in parallel; the cathode of the power supply is grounded; the anode of the power supply is grounded after passing through the control switch and an electromagnetic coil of the normally opened relay in sequence, and is grounded after passing through a contact switch of the normally opened relay and each book indicating unit in sequence; and n is a natural number. According to the simple book inquiry system disclosed by the invention, the defects of inconvenience in inquiring, management and the like existing in the prior art can be overcome, and the advantage of convenience in inquiring and managing is realized.

Description

technical field [0001] The invention relates to the technical field of book management, in particular to a simple book query system. Background technique [0002] At present, in the field of book management technology, there is no book query facility specially arranged on the bookshelf, and the query is inconvenient. [0003] In the process of realizing the present invention, the inventors found that there are at least defects such as inconvenient query and management in the prior art. Contents of the invention [0004] The purpose of the present invention is to propose a simple book query system to achieve the advantages of easy query and management in view of the above problems. [0005] In order to achieve the above object, the technical solution adopted by the present invention is: a simple book query system, including a power supply, a control switch, a normally open relay, and the 1st to n book indication units arranged in parallel; wherein: [0006] The negative p...

Claims

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Application Information

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IPC IPC(8): G07G1/00
Inventor 杨丽
Owner 杨丽