Invention Grant
- Patent Title: Optical encoder with direction-dependent optical properties having an optically anisotropic region to produce a first and a second light distribution
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Application No.: US15060069Application Date: 2016-03-03
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Publication No.: US10145711B2Publication Date: 2018-12-04
- Inventor: Paisith P. Boonsom , Serhan O. Isikman , Richard Ruh , Prashanth S. Holenarsipur , Colin M. Ely , William N. Pickeral , Jairam Manjunathaiah , David G. Havskjold , Anant Rai , Maegan K. Spencer , Milind S. Bhagavat
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: APPLE INC.
- Current Assignee: APPLE INC.
- Current Assignee Address: US CA Cupertino
- Agency: Brownstein Hyatt Farber Schreck, LLP
- Main IPC: G01D5/347
- IPC: G01D5/347
Abstract:
Embodiments of the present disclosure provide an optical encoder for an electronic device. The optical encoder includes a spindle and an encoded pattern disposed around a circumference of the spindle. The encoded pattern may include one or more surface features that create a direction-dependent reflective region.
Public/Granted literature
- US20160258784A1 OPTICAL ENCODER WITH DIRECTION-DEPENDENT OPTICAL PROPERTIES Public/Granted day:2016-09-08
Information query
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