April 27, 2025Apr 27, 2025
KCNA Naenara (En)

Card-type Locker Based on Uncommon Technology

Date: 27/04/2025 | Source: Naenara (En) | Read original version at source

In October last year the Intellectual Property Development Exhibition-2024 was held at the Sci-Tech Complex in Pyongyang, the capital of the DPRK. The jury and visitors showed particular interest in a mechanical locker presented by a retired man called Kim Tong Hui.

The 72-year-old lives in Pipha-dong No. 2, Moranbong District, Pyongyang.

His wife Kim Song Ok says that her husband still likes reading as he had done before.

He began his career as a researcher at a scientific research institute after he graduated from Pyongyang University of Mechanical Engineering.

For more than 30 years of service at the institute he made several technological hits conducive to the country’s machine-building and fishing industries and won many certificates of invention and introduction of sci-tech achievements.

Even after retirement he often visited the Sci-Tech Complex and the Grand People’s Study House to explore the data on advanced science and technology. He sometimes made for himself what he had conceived.

Mechanical card-type locker is one of his inventions. It arouses tremendous interest among customers and enjoys growing popularity as it is incomparably superior to ordinary electronic ones.

Simple in structure and easy to change password, it requires no power supply. Moreover, it is much more reliable than sophisticated electronic lockers.

Besides, it is immune to change in temperature and humidity and easy to use.

It is now in use in many families and institutions and the demand for it is increasing daily.

Ko Chol Hwa

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