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Opposite direction sliding switch to prevent erroneous operation

IP.com Disclosure Number: IPCOM000220616D
Publication Date: 2012-Aug-09
Document File: 6 page(s) / 259K

Publishing Venue

The IP.com Prior Art Database


Disclosed is one new type switch design, it can be either a "toggle"(sliding for continuous "on" or "off") or "momentary"(sliding for "on" or sliding for "off"). To switch between on and off state, move the two sliding tips in opposite direction at the same time.

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Opposite direction sliding switch to prevent erroneous operation

Aswitch in electrical device is an component used for the transition between two states(open or closed), it can be either a "toggle"(flip switch for continuous "on" or "off") or "momentary"(push-for "on" or push-for "off") type. The switch is usually built as push button type in personal and commercial electronic devices, such as mobile phone, laptop, desktop, mainframe server. In a push button type switch, the contacts remain in one state unless actuated. The contacts can either stay open until closed by operation of the switch, or stay closed until opened by the switch action. The surface of push button is usually flat or shaped to accommodate the human finger or hand, so as to be easily pushed or depressed.

From implementation and operation side, push button type switch has its advantage. The biggest problem is it's hard to prevent erroneous operation. The CD-ROM on laptop is one good example. CD-ROM usually locates at the right side of the laptop. When you take up the laptop or touch the right side of the laptop, the CD-ROM eject button is easy to be hit and cause it ejected. Usually CD-ROM being ejected is not a big issue, but considering what's the impact of unattended hit of other push button switch , such as power switch?

Some known solutions to prevent erroneous operation are listed below. Based on drawbacks of such known solution, one new type switch design is needed to prevent erroneous operation, especially for those important switches that erroneous operation will have
a big impact, and maybe bring disaster.

a. Push and confirm - the operation is divided into two stages, push the power switch firstly and then give a confirmation. This is one good solution to prevent erroneous operation, but the drawback is it's not convenient - user needs two actions to power off the device.

b. Push for a long ti...