Patent Number: 8,717,553

Title: Positioning a first surface in a pre-determined position relative to a second surface

Abstract: A method and an apparatus for positioning a first device in relation to a second device. An optical signal from a first device is sent to a second device. A reflection of the optical signal from the second device is received. A position of one of the devices relative to the other device is adjusted based upon the reflection.

Inventors: Marcu; Gabriel G. (San Jose, CA)

Assignee: Apple Inc.

International Classification: G01B 11/26 (20060101)

Expiration Date: 5/06/12018