Amazon patents technology to harvest vibrations using piezoelectric cantilevers to automatically recharge your smartphone battery

Patent Information:

Patent Number: 9,118,187
Patent Title: Vibrational energy harvester

Inventors: Islam; Rashed Adnan (San Jose, CA)
Assignee: Amazon Technologies, Inc. (Seattle, WA)
Family ID: 1000000341041
Appl. No.: 13/828,740
Filed: March 14, 2013

Some examples include an energy harvester for use in an electronic device to convert mechanical energy associated with vibrations of the electronic device into electrical energy. For instance, an energy harvester including rows of piezoelectric cantilevers may be arranged around a proof mass and may be utilized to convert the vibrations into electrical energy. In some examples, the energy harvester may include an electromagnetic energy harvester in addition to, or in place of the piezoelectric energy harvester.