Universal power symbols are described in the International Electrotechnical Commission (IEC) 60417 standard, Graphical symbols for use on equipment, appearing in the 1973 edition of the document (as IEC 417) and informally used earlier.

2024年6月25日 · The circle and line symbol, often called the universal power symbol, shows whether a device is on and functioning (circle and line) or off and not powered (just the circle). Let me explain this in further detail:

2025年1月28日 · Nearly everyone has seen the universal symbol for power — turning on and off — but not everyone knows why that symbol was chosen.

The circle and line symbol is often referred to as the universal power symbol. This symbol is used to indicate that the device is powered on and working. The circle symbol indicates that the device is turned off and not powered.

2017年4月3日 · We touch, hold, long-press or tap this symbol every day—even several times a day—but the power icon has become so ubiquitous that its meaning doesn’t get a second thought. Where did it come...

2024年11月30日 · The power button symbols "I" and "O" represent "on" and "off" respectively, while the standby symbol (⏻) is a combination of the two, and is neither fully powered nor completely dead. Discover the meaning behind the I/O power button symbols.

2024年12月31日 · One of the most recognizable aspects of the power button is the universal symbols used to indicate the on and off states of devices. At a glance, these symbols may appear simplistic, yet they convey important information and function as a form of non-verbal communication between users and machines.

2023年7月22日 · The power button symbol, typically represented as a circle with a vertical line inside it, is a universal symbol used to indicate the power on/off function of a device. It is commonly found on electronic devices such as computers, smartphones, and televisions.

Universal power symbols are described in the International Electrotechnical Commission 60417 standard, Graphical symbols for use on equipment, appearing in the 1973 edition of the document (as IEC 417) and informally used earlier.

2016年7月7日 · And then sometime in 1973, the International Electrotechnical Commission or I.E.C. officially gave the stamp of approval for this symbol as a universal power button. But that’s not the end of this short but interesting story.