GB/T 22779-2017 Active National standards

GB/T 22779-2017 Liquid crystal displaying quartz clocks

GB/T 22779-2017 Liquid crystal displaying quartz clocks

Publish Date: 2017-05-12 Implement Date: 2017-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 22779-2017

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Clocks and watches

ICS Name: Bell

Publish Date: 2017-05-12

Implement Date: 2017-12-01

Pages: 10 pages

Scope

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for liquid crystal quartz clocks (referred to as "LCD clocks"). This standard applies to liquid crystal quartz clocks equipped with quartz resonators and having a nominal operating voltage of DC 3.0 V or DC 1.50 V, featuring time and date displays or other additional functions.

Development Information

Word Count: 20 Thousand words Pages: 10 pages

Replace the following standards

GB/T 22779-2008 Liquid crystal displaying quartz clocks

Referenced Standards

GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 4028-1994 Timekeeping instruments—Symbolization of control positions GB/T 4028-2013 Symbolization of control positions for timekeeping instruments GB/T 17626.2-1998 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2006 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)

Related Standards

GB/T 6046-1992 Replaced

GB/T 6046-1992 Analogue quartz clocks

Publish Date: 1992-08-29

GB/T 4028-1994 Replaced

GB/T 4028-1994 Timekeeping instruments—Symbolization of control positions

Publish Date: 1994-12-30

GB/T 17929-1999 Replaced

GB/T 17929-1999 Quartz clocks for vehicles

Publish Date: 1999-12-17

GB/T 20408-2006 Replaced

GB/T 20408-2006 Radio-controlled clocks

Publish Date: 2006-06-30

GB/T 17929-2007 Active

GB/T 17929-2007 Quartz clocks vehicles

Publish Date: 2007-12-05

GB/T 6046-2007 Replaced

GB/T 6046-2007 Analogue quartz clocks

Publish Date: 2007-12-05