Lock with Electronic Key

Concern:

Losing a key

Countermeasure:

an electronic lock unlocks by inputting a (memorized) code using a keypad, by reading a person’s iris, or by reading their fingerprint.

Limitation:

Battery life

Additional information

Triz Description	6.1: Make a part or object perform multiple functions; eliminate the need for other parts.
Image sources	(www.wired.com/2013/06/smart-locks/ visited by AlChaer on 10/30/2017)

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