With the development of science and technology, electronic products such as mobile phones have been greatly developed. Useful for daily life. On the other hand, there are some disadvantages. For example, during testing, we often see phenomena such as using mobile phones to fill cans. It has a negative impact on the fairness of the examination. More and more students use smartphones during class. Many people use mobile phones during class. For teachers, “how to prevent students from messing up their smartphones” is an annoying problem. Interfering equipment is used to solve these problems.
Distracted driving is a trend that shows no signs of slowing down. Although Manitoba has imposed the most severe penalties on the country, it will impose a fine of $200 and five penalties, but this does not seem to be enough to prevent drivers from answering calls or sending text messages. The father Hart Levine (Hart Levine) designed a mobile cell phone jammer device called Drive ID. Global’s Zahra Premji reports.
An automobile manufacturer has developed a compartment to block cell phone signals. Nissan said that the Signal Shield prototype has been integrated into the armrest of its Juke crossover, which will eliminate interference caused by incoming calls, messages and social media notifications. The working principle of the box is in the Faraday cage invented in the 1830s. It uses materials such as wire mesh to protect its contents from electromagnetic fields. Once the lid is closed, all movement, Bluetooth and Wi-Fi signals will be blocked from entering the interior of the compartment.