# US 2014/0152531 A1 · Head Mounted Display With Remote Control

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- Number: US 2014/0152531 A1
- Document ID: US20140152531A1
- Status: Published application
- Kind: A1
- Application number: 14/177,208
- Filed: 2014-02-10
- Published: 2014-06-05
- Earliest claimed: 2011-12-01
- Assignees: Seebright Inc.
- Inventors: John T. Murray; Douglas L. Michels; Ronald D. Lachman
- Web page: https://patentgrep.com/patent/US20140152531A1

## CPC

- G02B 30/35: using reflective optical elements in the optical path between the images and the observer
- G02B 27/0172: {characterised by optical features}
- G02B 27/0176: {characterised by mechanical features}
- G02B 27/022: {Viewing apparatus (G02B27/04, G02B27/06, G02B27/08 take precedence)}
- G02B 27/028: {characterised by the supporting structure}
- G06F 1/1632: {External expansion units, e.g. docking stations}
- G06F 3/012: {Head tracking input arrangements}
- G06F 3/0482: Interaction with lists of selectable items, e.g. menus
- H04N 13/344: with head-mounted left-right displays
- H04N 13/363: using image projection screens (volumetric display H04N13/388)
- G02B 3/08: with discontinuous faces, e.g. Fresnel lens {(diffractive Fresnel lenses G02B5/1876)}
- G02B 2027/0129: {comprising devices for correcting parallax}
- G02B 2027/0134: {of stereoscopic type}
- G06F 2200/1637: Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

A head mounted display device that displays three dimensional images from a mobile device, which includes a strap that secures the head mounted display to the head of a viewer, a viewing assembly connected to the strap, that includes a housing, a mobile device holder, connected to the housing, a reflecting surface, connected to the housing, that reflects images displayed by the mobile device; and an eyepiece onto which the reflecting surface reflects the images.

## Claims

### Claim 1

A head mounted display device for displaying images from a mobile device, comprising:
a housing that secures an inserted mobile device, the mobile device comprising a display, and fits on the head of a human viewer; and
an optical assembly, connected to the housing, that reflects images displayed by the mobile device display wherein the optical assembly comprises an eyepiece, connected to the housing, onto which the reflected images focus for display to the viewer.

### Claim 2 (depends on 1)

The device of claim 1, wherein the distance between the lowest extent of the housing and the upper extent of the eyepiece is at least 20 millimeters.

### Claim 3 (depends on 1)

The device of claim 1, wherein the lower extent of the housing rests at least 10 millimeters above the eyebrow of the viewer when the housing is fitted securely around the head of the viewer.

### Claim 4 (depends on 1)

The device of claim 1, wherein the optical assembly further comprises a reflecting surface, connected to the housing, that reflects the images displayed by the mobile device display.

### Claim 5 (depends on 4)

The device of claim 4, wherein the optical assembly further comprises a lens, connected to the housing, that focuses the images reflected by the reflecting surface onto the eyepiece.

### Claim 6 (depends on 4)

The device of claim 4, wherein the optical assembly further comprises a plurality of lenses, each connected to the housing, that focus the images reflected by the reflecting surface onto the eyepiece.

### Claim 7 (depends on 1)

The device of claim 1, wherein the eyepiece is half-silvered.

### Claim 8 (depends on 1)

The device of claim 1, wherein the eyepiece made of an electro-active material, wherein the opacity of the electro-active material changes when an electrical charge is applied.

### Claim 9

A head mounted display device for displaying images from a mobile device, comprising:
a housing that secures an inserted mobile device, and fits on the head of a human viewer;
an optical assembly, connected to the housing, that reflects images displayed by the mobile device display; and
an eyepiece onto which the reflected images focus for display to the viewer, wherein the eyepiece is secured by a frame, independent of the housing, to the head of the viewer.

### Claim 10 (depends on 9)

The device of claim 9, wherein the distance between the lowest extent of the housing and the upper extent of the eyepiece is at least 20 millimeters.

### Claim 11 (depends on 9)

The device of claim 9, wherein the lower extent of the housing rests at least 10 millimeters above the eyebrow of the viewer when the housing is fitted securely around the head of the viewer.

### Claim 12 (depends on 9)

The device of claim 9, wherein the optical assembly comprises a reflecting surface, connected to the housing, that reflects the images displayed by the mobile device display.

### Claim 13 (depends on 12)

The device of claim 12, wherein the optical assembly further comprises a lens, connected to the housing, that focuses the images reflected by the reflecting surface onto the eyepiece.

### Claim 14 (depends on 12)

The device of claim 12, wherein the optical assembly further comprises a plurality of lenses, each connected to the housing, that focus the images reflected by the reflecting surface onto the eyepiece.

### Claim 15 (depends on 9)

The device of claim 9, wherein the eyepiece is half-silvered.

### Claim 16 (depends on 9)

The device of claim 9, wherein the eyepiece made of an electro-active material, wherein the opacity of the electro-active material changes when an electrical charge is applied.

### Claim 17

A head mounted display device for displaying images from a mobile device, comprising:
a housing that secures an inserted mobile device, which fits on the head of a human viewer, the mobile device comprising a forward-facing side with a display and a backward-facing side;
a reflecting surface, connected to the housing, that reflects images displayed by the mobile device display;
one or more lenses, connected to the housing, that focuses the images reflected by the reflecting surface, and
an eyepiece, connected to the housing, onto which the images from the one or more lenses focus for display to the viewer.

### Claim 18 (depends on 17)

The device of claim 17, wherein the backward-facing side of the mobile device has a backward-facing camera with a lens, the device further comprising:
a periscope, connected to the housing, that reflects light emanating substantially from the field of view of the viewer into the lens of the backward-facing camera, enabling the mobile device to receive images from the field of view of the viewer.

### Claim 19 (depends on 18)

The device of claim 18, wherein the periscope comprises:
a periscope housing connected to the housing of the head mounted display;
an upper periscope mirror, connected to the periscope housing, that reflects light emanating substantially from the field of view of the viewer; and
a lower periscope mirror, connected to the periscope housing, that reflects the light reflected from the upper periscope mirror into the lens of the backward-facing camera.

### Claim 20 (depends on 17)

The device of claim 17, wherein the mobile device has a forward-facing camera with a lens, and wherein the lens of the forward-facing camera receives images of the viewer's eyes reflected from the eyepiece through the lens which is then reflected by the reflecting surface.

### Claim 21 (depends on 17)

The device of claim 17 wherein said mobile devices displays a first image on its right side and a second image on its left side and wherein said reflecting surface comprises a right mirror that reflects images from the right side of the mobile device and a left mirror that reflects images from the left side of the mobile device.

### Claim 22 (depends on 17)

The device of claim 17 wherein said reflecting surface comprises a right mirror that reflects a first image displayed on the right side of the mobile device and a left mirror that reflects a second image displayed on the left side of the mobile device.

### Claim 23 (depends on 22)

The device of claim 22 wherein said housing further comprises an opaque optical block that prevents the first image over to the left mirror and prevents the second image from crossing over to the right mirror.

### Claim 24 (depends on 17)

The device of claim 17 wherein the eyepiece comprises two separate elements.

### Claim 25 (depends on 17)

The device of claim 17 wherein the eyepiece comprises a single element.

### Claim 26 (depends on 17)

The device of claim 17, wherein the eyepiece is half-silvered.

### Claim 27 (depends on 17)

The device of claim 17, wherein the eyepiece made of an electro-active material, wherein the opacity of the electro-active material changes when an electrical charge is applied.

### Claim 28 (depends on 17)

The device of claim 17 further comprising an adjustable strap that fits over the head of a human and connects to the housing.

### Claim 29 (depends on 17)

The device of claim 17 wherein the focal length from the lens to the eyepiece is between 100 and 150 millimeters.

### Claim 30 (depends on 29)

The device of claim 29 wherein the focal length from the lens to the mobile device is between 75 and 150 millimeters.

### Claim 31 (depends on 30)

The device of claim 30 wherein the forward-facing side of the mobile device includes a camera and the camera receives images of the eyes of the viewer.

### Claim 32

A head mounted display device for displaying images from a mobile device, comprising:
a housing that secures an inserted mobile device, which fits on the head of a human viewer, said mobile device comprising a forward-facing side with a display and a backward-facing side;
a reflecting surface, connected to the housing, that reflects images displayed by the mobile device;
a lens, connected to the housing, that focuses images reflected by the reflecting surface, and
an eyepiece, connected to the housing, onto which the images from the lens focus for display to the viewer; and
a remote control, comprising:
a plurality of controls operable by the viewer, and
a wireless transceiver for communicating with the inserted mobile device.

### Claim 33 (depends on 32)

The device of claim 32 wherein the remote control can be detached from the housing by the viewer operated by hand.

### Claim 34 (depends on 32)

The device of claim 32 wherein the remote control further comprises:
a housing; and
a battery.

### Claim 35 (depends on 34)

The device of claim 34 wherein at least one of the plurality of controls is selected from the group consisting of forward, backward, and select.

### Claim 36 (depends on 34)

The device of claim 34 further comprising an LED capable of emitting light and wherein the remote control is capable of receiving a signal from the mobile device to illuminate the LED.

### Claim 37 (depends on 36)

The device of claim 36 wherein the remote control is further capable of receiving a command that specifies the color of light to emit when the LED is illuminated.

### Claim 38 (depends on 34)

The device of claim 34 further comprising at least one sensor for determining geographic position.

### Claim 39 (depends on 38)

The device of claim 38 wherein the at least one sensor is selected from the group consisting of an accelerometer, a gyroscope and a magnetometer.

### Claim 40 (depends on 38)

The device of claim 38 wherein the at least one sensor comprises an accelerometer, a gyroscope and a magnetometer and wherein the remote control transmits a signal that comprises sensor data that specifies its absolute position.

### Claim 41

A system for integrating a a head mounted display with a mobile device comprising:
a head mounted display comprising:
a housing that secures an inserted mobile device, which fits on the head of a human viewer;
a reflecting surface, connected to the housing, that reflects images displayed by the mobile device display;
an eyepiece, connected to the housing, onto which the images from the mobile device display to the viewer;
a remote control for a mobile device comprising:
a plurality of controls operable by the viewer each control having a state; and
a wireless transceiver for communicating with the inserted mobile device; and
a mobile device with a forward-facing side and backward-facing side comprising:
a display screen on the forward-facing side;
a processor; and
a memory in communication with the processor for storing instructions, which when executed by the processor, cause the mobile device:
to receive status updates that specify the state of each of the plurality of controls; and
to provide the status updates to a mobile application that runs in the mobile device.

### Claim 42 (depends on 41)

The system of claim 41 wherein at least one of the plurality of controls is selected from the group consisting of forward, backward, and select.

### Claim 43 (depends on 41)

The system of claim 41 wherein the remote control further comprises an LED capable of emitting light and wherein the remote control is capable of receiving a signal from the mobile device to illuminate the LED.

### Claim 44 (depends on 42)

The system of claim 42 wherein the remote control is further capable of receiving a command that specifies the color of light to emit when the LED is illuminated.

### Claim 45 (depends on 41)

The system of claim 41 wherein the remote control further comprises at least one sensor for determining geographic position.

### Claim 46 (depends on 45)

The system of claim 45 wherein the at least one sensor comprises an accelerometer, a gyroscope and a magnetometer and wherein the remote control transmits a signal that comprises sensor data that specifies its absolute position.

### Claim 47 (depends on 45)

The system of claim 45 wherein the at least one sensor is selected from the group consisting of an accelerometer, a gyroscope and a magnetometer.

### Claim 48 (depends on 46)

The system of claim 46 wherein the mobile device receives the sensor data and the instructions, which when executed by the processor, further cause the mobile device to provide a specification of the absolute position of the mobile device to the mobile application.

### Claim 49 (depends on 41)

The system of claim 41, wherein the backward-facing side of the mobile device has a backward-facing camera with a lens, and wherein the head mounted display further comprises:
a periscope, connected to the housing, that reflects light emanating substantially from the field of view of the viewer into the lens of the backward-facing camera, enabling the mobile device to receive images from the field of view of the viewer.

### Claim 50 (depends on 49)

The system of claim 49, wherein the instructions, which when executed by the processor, further cause the mobile device:
to analyze the received images from the field of view of the viewer;
to determine the location of the remote control within the received images; and
to provide the location of the remote control to the mobile application.

### Claim 51

A device for tracking eye movements, comprising:
a housing, which fits on the head of a human viewer, which secures a digital camera that captures a sequence of digital images of the eyes of the viewer;
an eyepiece, connected to the housing, that reflects images of the viewer's eyes; and
a reflecting surface, connected to the housing, that receives the images reflected by the eyepiece and further reflects them into a lens of the digital camera.

### Claim 52 (depends on 51)

The device of claim 51, further comprising at least one lens, connected to the housing, through which the reflected images of the viewer's eyes pass, and which focuses the reflected images.

### Claim 53 (depends on 52)

The device of claim 52, wherein one focal plane formed by the at least one lens is proximate to the eyes of the viewer.

### Claim 54 (depends on 53)

The device of claim 53, wherein a second focal plane formed by the at least one lens is proximate to the lens of the digital camera.

### Claim 55 (depends on 54)

The device of claim 54, wherein a focal plan is proximate to an object if it intersects the object or is within 2 centimeters of the object.

### Claim 56 (depends on 51)

The device of claim 51, wherein the reflecting surface is a curved mirror.

### Claim 57

A head mounted display, comprising:
a housing, which fits on the head of a human viewer, which secures a digital device that comprises a camera, said camera comprising a lens, wherein the lens of the camera faces in a direction substantially different than the view of the eyes of the viewer; and
a periscope, attached to the housing, comprising:
a periscope housing that secures an optical assembly;
an optical assembly connected to the periscope housing that (i) increases the field of view of the camera, and (ii) substantially the same field of view of the viewer into the lens of the camera.

### Claim 58 (depends on 57)

The head mounted display of claim 57, wherein the lens of the camera faces substantially in the opposite direction from the field of view of the viewer.

### Claim 59 (depends on 57)

The device of claim 57, wherein the optical assembly comprises:
an upper periscope mirror, connected to the periscope housing, that reflects light emanating substantially from the field of view of the viewer; and
a lower periscope mirror, connected to the periscope housing, that reflects the light reflected from the upper periscope mirror into the lens of the camera.

### Claim 60

A head mounted display device for displaying images from a mobile device, comprising:
a housing that secures an inserted mobile device, said mobile device comprising a display, and fits on the head of a human viewer; and
an optical assembly, connected to the housing, that focuses images displayed by the mobile device display, wherein the optical assembly comprises an eyepiece, connected to the housing, which reflects the focused images towards the eye of the viewer.

### Claim 61 (depends on 60)

The device of claim 60, wherein the distance between the lowest extent of the housing and the upper extent of the eyepiece is at least 20 millimeters.

### Claim 62 (depends on 60)

The device of claim 60, wherein the lower extent of the housing rests at least 10 millimeters above the eyebrow of the viewer when the housing is fitted securely around the head of the viewer.

### Claim 63 (depends on 60)

The device of claim 60, wherein the mobile device is secured in a substantially vertical position by the housing, such that its display faces away from the viewer.

### Claim 64 (depends on 60)

The device of claim 60, wherein the mobile device is secured in a substantially horizontal position by the housing, such that its display faces downwards, towards the eyepiece.

### Claim 65 (depends on 60)

The device of claim 60, wherein the optical assembly further comprises a lens, connected to the housing, that focuses the images from the display of the mobile device onto the eyepiece.

### Claim 66 (depends on 60)

The device of claim 60, wherein the optical assembly further comprises:
a field lens, connected to the housing, in close proximity to the display of the mobile device, that focuses images from the display of the mobile device, and
a middle optical element, substantially equidistant, as measured in optical distance, from the display of the mobile device and the eye of the viewer.

### Claim 67 (depends on 66)

The device of claim 66, wherein the middle optical element is a prism that refracts light from the mobile device onto the eyepiece.

### Claim 68 (depends on 60)

The device of claim 60, wherein the eyepiece is half-silvered.

### Claim 69 (depends on 60)

The device of claim 60, wherein the eyepiece made of an electro-active material, wherein the opacity of the electro-active material changes when an electrical charge is applied.
