公开(公告)号：US20150362749A1

公开(公告)日：2015-12-17

申请号：US14587639

申请日：2014-12-31

Applicant: Google Inc.

Inventor： William J. Biederman ,  Daniel J. Yeager ,  Brian Otis ,  Nathan Pletcher

IPC: G02C7/08 ,  G02C7/04 ,  A61B3/113

CPC classification number: G02C7/083 ,  A61B3/113 ,  G02C7/04

Abstract: A method of capacitive gaze detection for accommodation includes monitoring at least one capacitance value of a capacitive sensor system disposed within a contact lens. The at least one capacitance value varies in response to changes in a gazing direction of a cornea upon which the contact lens is removeably mounted. The changes in the gazing direction of the cornea are detected in real-time based upon changes in the at least one capacitance value. An accommodation actuator disposed within the contact lens is manipulated to automatically change an optical power of the contact lens in response to detecting changes in the gazing direction.

Abstract translation: 一种用于容纳的电容凝视检测方法包括监测设置在隐形眼镜内的电容式传感器系统的至少一个电容值。 所述至少一个电容值响应于隐形眼镜可拆卸地安装在其上的角膜的注视方向的变化而变化。 基于至少一个电容值的变化来检测角膜的注视方向的变化。 控制设置在隐形眼镜内的调节致动器，以响应于检测到注视方向的变化而自动改变隐形眼镜的光焦度。

公开(公告)号：US20150362750A1

公开(公告)日：2015-12-17

申请号：US14587664

申请日：2014-12-31

Applicant: Google Inc.

Inventor： Daniel J. Yeager ,  Brian Otis ,  William J. Biederman ,  Nathan Pletcher

IPC: G02C7/08 ,  G02C7/04 ,  A61B3/113

CPC classification number: G02C7/083 ,  A61B3/113 ,  G02C7/04 ,  G02C7/048 ,  G02C2202/16

Abstract: An eye-mountable device includes an enclosure material, a capacitive sensor system, and a controller. The enclosure material has a concave surface and a convex surface. The concave surface is configured to be removeably mounted over a cornea and the convex surface is configured to be compatible with eyelid motion when the concave surface is so mounted. The capacitive sensor system is disposed within the enclosure material. The capacitive sensor system has at least one capacitance value that varies with changes in a gazing direction of the cornea. The controller is disposed within the enclosure material and electrically connected to the capacitive sensor system. The controller is configured to measure the capacitance value of the capacitive sensor system to detect the changes in the gazing direction.

Abstract translation: 眼睛安装的装置包括外壳材料，电容传感器系统和控制器。 外壳材料具有凹面和凸面。 凹面被构造成可移除地安装在角膜上，并且当凹面如此安装时，凸面被配置为与眼睑运动相容。 电容传感器系统设置在外壳材料内。 电容式传感器系统具有随着角膜注视方向的变化而变化的至少一个电容值。 控制器设置在外壳材料内并电连接到电容传感器系统。 控制器被配置为测量电容传感器系统的电容值以检测注视方向上的变化。

公开(公告)号：US20150362751A1

公开(公告)日：2015-12-17

申请号：US14694953

申请日：2015-04-23

Applicant: Google Inc.

Inventor： William J. Biederman

IPC: G02C7/08 ,  G02C7/04 ,  H02J7/00

CPC classification number: G02C7/083 ,  G02C7/04 ,  G06F3/14 ,  G09G2330/023 ,  G09G2354/00 ,  H02J7/025 ,  H02J50/10

Abstract: Techniques and mechanisms to power automatic accommodation by an eye-mountable device. In an embodiment, the eye-mountable device includes an accommodation actuator to change an optical strength of the eye-mountable device. Control logic of the eye-mountable device is to transition a supply voltage between different levels to drive operation of the accommodation actuator, including the control logic to perform a step-wise transition of the supply voltage from a first voltage level to a second voltage level. In another embodiment, the control logic includes a bidirectional direct current to direct current (DC-DC) converter. During the step-wise transition of the supply voltage, the bidirectional DC-DC converter is configured to aid in recharging a battery of the eye-mountable device with charge from the accommodation actuator.

Abstract translation: 通过眼睛安装的设备为自动调节提供动力的技术和机制。 在一个实施例中，可眼睛安装的装置包括用于改变眼睛安装装置的光学强度的容纳致动器。 可眼睛安装的装置的控制逻辑是转换不同级别之间的电源电压以驱动调节致动器的操作，包括控制逻辑以执行电源电压从第一电压电平到第二电压电平的逐步转变 。 在另一个实施例中，控制逻辑包括直流直流（DC-DC）转换器的双向直流电。 在电源电压的逐步转换期间，双向DC-DC转换器被配置为辅助来自调节致动器的充电的眼睛安装装置的电池的再充电。