IEC 62259 pdf download
IEC 62259 pdf download Secondary cells and batteries containing alkaline or other non-acid electrolytes – Nickel-cadmium prismatic secondary single cells with partial gas recombination 1 scope This International Standard specifies marking，designation，dimensions,tests and require-ments for vented nickel-cadmium prismatic secondary single cells where special provisionshave been made in order to have partial or，under very specific conditions,full gasrecombination. NOTE ln this context, “prismatic”...
IEC 62286 pdf download
IEC 62286 pdf download Service diagnostic interface for consumer electronics products and networks – Implementation for IEEE 1394 3 Terms, definitions and abbreviations 3.1 Terms and definitions For the purposes of this International Standard, the following terms and definitions apply. 3.1.1 configuration ROM area of memory within an IEEE 1 394-enabled device which holds specific information about the device, as...
IEC 62330-2 pdf download
IEC 62330-2 pdf download Helical-scan digital video cassette recording system using 12,65 mm (0,5 in) magnetic tape – Format HD-D5 – Part 2: Compression format 1 Scope This part of IEC 62330 defines the encoding process of the HD-D5 video compression and its data format for the 1 080/59,94i system (hereinafter referred to as the 1 080i system) and the...
IEC 62356-1 pdf download
IEC 62356-1 pdf download Video recording – 12,65 mm TYPE D-11 format – Part 1: Tape recording 1 Scope This International Standard specifies the format for the recording of Type D-11 compressedpictures，four channels of AES3 data and associated data which form helical records on12,65 mm tape in cassettes. This standard also defines the helical track record parameters,the content and format...
IEC 62356-2 pdf download
IEC 62356-2 pdf download Video recording – 12,65 mm type D-11 format – Part 2: Picture compression and data stream 1 Scope This International Standard specifies the compression of a high-definition source format to a dual-channel packetized data stream format which is suitable for recording on disc and tape storage devices including the Type D-1 1 tape recorder. The specification...
IEC 62356-3 pdf download
IEC 62356-3 pdf download Video recording – 12,65 mm type D-11 format – Part 3: Data mapping over SDTI 1 Scope This International Standard specifies the mapping of type D-1 1 compressed picture data stream into the SDTI payload area (SMPTE 305.2M) together with the mapping of four channels of AES3 data and time-code data into H-ANC packets. Type D-1...
IEC 80416-1 pdf download
IEC 80416-1 pdf download Basic principles for graphical symbols for use on equipment – Part 1: Creation of symbol originals 1 Scope International Standard 80416 series provides principles and guidelines for the creation of symbol originals and the application of graphical symbols for use on equipment prepared within ISO and IEC. This Part 1 of the standard specifies the key...
IEC TS 61463 pdf download
IEC TS 61463 pdf download Bushings – Seismic qualification 1Scope This technical specification is applicable to alternating current and direct current bushings forrated voltages above 52 kV，mounted on transformers,other apparatus or buildings. It isaccepted that for bushings for rated voltages less than or equal to 52 kV, due to theircharacteristics (resonance frequency greater than 25 Hz) seismic qualification is not...
IEC TS 61813 pdf download
IEC TS 61813 pdf download Live working – Care, maintenance and in-service testing of aerial devices with insulating booms 1Scope This technical specification provides an informative guide on care，maintenance and in-service testing requirements of aerial devices with insulating booms used for live working. This specification is not a replacement for manufacturers’ recommendations but rather asupplement containing critical generic requirements. In...
IEC TS 61944 pdf download
IEC TS 61944 pdf download Integrated circuits – Manufacturing line approval – Demonstration vehicles 1 Scope This technical specification establishes the characteristics of standard evaluation components(SEC) used for verifying capability and reliability. 2Standard evaluation component (SEC) A standard evaluation component(SEC) is a test specimen especially designed or acommercial product taken from production and used for verifying capability (totally or partly)and...