China Naming Network - Almanac query - What's the name of the inventor of the compass? Is there a compass on the mobile phone?

What's the name of the inventor of the compass? Is there a compass on the mobile phone?

The compass has no clear inventor. Because there is no clear historical record to show who was the inventor, the compass first appeared in the area of Cishan in the Warring States Period, which was called Sina in ancient times. Compass is the result of China ancient working people's understanding of magnet magnetism in long-term practice. If you want to know the name of the inventor of the compass better, you can read on. What's the name of the inventor of the compass?

1. In China's azimuth culture, it has gone through three stages, from astronomical positioning to making Sina by magnetic method, and then from Sina to compass. Through continuous experiments, the orientation determination technology has been improved.

2, and the predecessor of compass is Sina, and Sina is the earliest magnetic guide. ? Sina? The appellation of ""began in the Warring States Period (475 BC? 22 BC1), ending in the Tang dynasty (ad 6 18? AD 907).

3. The main part of the compass is the magnetic needle installed on the rotating shaft. The magnetic needle can rotate freely under the action of natural geomagnetic field, and keep in the tangential direction of magnetic meridian. The north pole of the magnetic needle points to the geographical north pole, and the direction can be distinguished by using this property.

In ancient China, the compass was first used for etiquette, etiquette, military affairs, divination and geomantic omen. In modern times, it is often used in navigation, geodesy, tourism and military affairs. Is there a compass on the mobile phone?

There is an electronic compass on the mobile phone. In our commonly used smart phones, electronic compasses are basically installed. Electronic compass, also known as digital compass, is a method to determine the North Pole by using geomagnetic field. An electronic compass generally consists of a magnetoresistive sensor and a fluxgate. The above is a detailed introduction to the name of the inventor of the compass.

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