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GB/T 37878-2019: General technical specifications of energy consumption design for electrophones Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 37878-2019: General technical specifications of energy consumption design for electrophones---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT37878-2019(General technical specifications for the design of energy consumption of electronic musical instruments) ICS 97.200.20 Y58 National Standards of People's Republic of China General technical specifications for the design of energy consumption of electronic musical instruments Generaltechnicalspecificationsofenergyconsumptiondesignforelectrophones Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. Publication of this document The organization does not assume responsibility for identifying these patents. This standard was proposed by the China Light Industry Association. This standard is under the jurisdiction of the National Instrument Standardization Technical Committee (SAC/TC371). This standard was drafted. Yufei Technology (Jiangsu) Co., Ltd., Changzhou Hongtai Wood Industry Co., Ltd., Beijing Musical Instrument Research Institute. The main drafters of this standard. Qin Hongwei, Zhang Jun, Chen Guobin, Zhu Xiaohong, Liang Junwei, Fan Tingguo, Wang Wei. General technical specifications for the design of energy consumption of electronic musical instruments1 ScopeThis standard specifies the terms and definitions, classification, general principles, requirements, tests, and inspections of the energy consumption of the products and auxiliary equipment of the electronic musical instruments. Inspection rules and energy consumption levels. This standard is applicable to products and auxiliary products of electroacoustic instruments that can work normally under the power supply of grid power (220V, 50Hz). device. This standard does not apply to products and auxiliary equipment of electroacoustic instruments that are powered by batteries or network interfaces (such as USB interfaces). This standard does not apply to products that display a category of electroacoustic instruments with a drive frequency greater than or equal to 1 GHz.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 20943-2013 Single output AC-DC and AC-AC external power supply energy efficiency limit value and energy saving evaluation value3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Electroacoustic instrument electrophones An instrument that produces sound directly or indirectly through electricity. [GB/T 23173-2008, definition 2.5] 3.2 Auxiliary equipment auxiliaryequipment A component or product that complements or refines the function of a musical instrument. 3.3 Liquid crystal display Applied voltage to change the orientation of the liquid crystal molecules to force the light intensity of the liquid crystal layer to produce a grayscale or color image display device or Component. [GB/T 9002-2017, definition 9.5.11] 3.4 Working mode onmode Boot mode The products and auxiliary equipment of the electroacoustic instruments are connected to the power supply of the grid to provide various functional status. 3.5 Idle mode idlemode The products and auxiliary equipment of the electroacoustic instruments are not performing the main functions and have no signal (audio, video) output in the working mode. GB/T 37878-2019 (General technical specifications for the design of energy consumption of electronic musical instruments) ICS 97.200.20 Y58 National Standards of People's Republic of China General technical specifications for the design of energy consumption of electronic musical instruments Generaltechnicalspecificationsofenergyconsumptiondesignforelectrophones Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issuedForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. Publication of this document The organization does not assume responsibility for identifying these patents. This standard was proposed by the China Light Industry Association. This standard is under the jurisdiction of the National Instrument Standardization Technical Committee (SAC/TC371). This standard was drafted. Yufei Technology (Jiangsu) Co., Ltd., Changzhou Hongtai Wood Industry Co., Ltd., Beijing Musical Instrument Research Institute. The main drafters of this standard. Qin Hongwei, Zhang Jun, Chen Guobin, Zhu Xiaohong, Liang Junwei, Fan Tingguo, Wang Wei. General technical specifications for the design of energy consumption of electronic musical instruments1 ScopeThis standard specifies the terms and definitions, classification, general principles, requirements, tests, and inspections of the energy consumption of the products and auxiliary equipment of the electronic musical instruments. Inspection rules and energy consumption levels. This standard is applicable to products and auxiliary products of electroacoustic instruments that can work normally under the power supply of grid power (220V, 50Hz). device. This standard does not apply to products and auxiliary equipment of electroacoustic instruments that are powered by batteries or network interfaces (such as USB interfaces). This standard does not apply to products that display a category of electroacoustic instruments with a drive frequency greater than or equal to 1 GHz.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 20943-2013 Single output AC-DC and AC-AC external power supply energy efficiency limit value and energy saving evaluation value3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Electroacoustic instrument electrophones An instrument that produces sound directly or indirectly through electricity. [GB/T 23173-2008, definition 2.5] 3.2 Auxiliary equipment auxiliaryequipment A component or product that complements or refines the function of a musical instrument. 3.3 Liquid crystal display Applied voltage to change the orientation of the liquid crystal molecules to force the light intensity of the liquid crystal layer to produce a grayscale or color image display device or Component. [GB/T 9002-2017, definition 9.5.11] 3.4 Working mode onmode Boot mode The products and auxiliary equipment of the electroacoustic instruments are connected to the power supply of the grid to provide various functional status. 3.5 Idle mode idlemode The products and auxiliary equipment of the electroacoustic instruments are not performing the main functions and have no signal (audio, video) output in the working mode. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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