Therapeutic car mats
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 四川特微能科技有限公司
- Publication Date
- 2021-08-10
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Abstract
Description
technical field
[0001] The invention relates to the field of car mats, in particular to a physiotherapeutic car mat. Background technique
[0002] Early terahertz had different names in different fields. In the field of optics, it was called far infrared, while in the field of electronics, it was called submillimeter wave, ultra-microwave, etc. Before the mid-1980s, the development of infrared and microwave technologies on both sides of the terahertz band was relatively mature, but people's understanding of the terahertz band was still very limited, forming the so-called "THz Gap". THz waves (terahertz waves) include electromagnetic waves with a frequency of 0.1 to 10 THz. The term applies to frequencies between the high-frequency edge (300 GHz) of the millimeter-wave band of electromagnetic radiation and the low-frequency far-infrared spectral band edge (3000 GHz), corresponding to wavelengths of radiation in this frequency band ranging from 0.03mm to 3mm (or 30-3000μm). ...