BLUETOOTH OR OTHER WIRELESS INTERFACE WITH POWER MANAGEMENT FOR HEAD MOUNTED DISPLAY

• US 20120235896A1
• Filed: 09/14/2011
• Published: 09/20/2012
• Est. Priority Date: 09/20/2010
• Status: Active Grant

• Current Assignee: Kopin Corporation
• Original Assignee: Kopin Corporation
• Inventors: JACOBSEN, JEFFREY J., Parkinson, Christopher, Pombo, Stephen A.
• Granted Patent: US 8,736,516 B2
• Time in Patent Office: Days
• US Class Current: 345/156
• CPC Class Codes: G02B 2027/014 comprising information/image processing systems
• CPC Class Codes: G02B 27/0101 characterised by optical features G02B27/0172 takes precedence
• CPC Class Codes: G02B 27/017 Head mounted
• CPC Class Codes: G06F 3/011 Arrangements for interaction with the human body, e.g. for user immersion in virtual reality blind teaching G09B21/00
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: G06F 3/167 Audio in a user interface, e.g. using voice commands for navigating, audio feedback

Abstract

A Head Mounted Display (HMD) system that includes a wireless front end that interprets spoken commands and/or hand motions and/or body gestures to selectively activate subsystem components only as needed to carry out specific commands.

Claims

1. A method for controlling a head mounted display (HMD) system that includes a microdisplay, a user input device, a first processor, and two or more other peripheral circuits comprising:

enabling only the first processor and user input device in a first state;

detecting a user input;

using the processor to interpret the user input as a spoken command or gesture command; and

entering a second state wherein a selected ones of the two or more other peripherals are enabled and other peripherals are disabled, depending upon the spoken command or gesture command.

2. The method of claim 1 wherein the two or more other peripherals include a second processor.

3. The method of claim 2 wherein the second processor consumes more power than the first processor.

4. The method of claim 1 wherein the two or more other peripherals are selected from a group consisting of a wide area network interface, a second processor, a display, a camera and a head motion tracker.

5. The method of claim 2 wherein the user input is a spoken command to access a document, and in the second state power is applied to the second processor and microdisplay, and the document is then displayed.

6. The method of claim 5 wherein the user input is a spoken command to access a webpage, and the second state further enables a wireless interface to connect to a network to fetch the webpage.

7. The method of claim 2 wherein the peripherals include a camera and a second processor that are enabled in the first state, the user input is a hand gesture, and the second processor interpret the hand gesture prior to entering the second state.

8. The method of claim 2 wherein the peripherals include a wireless interface, and the second state transmits the user command over the wireless interface to a host.

9. The method of claim 7 wherein the user command is a request to manipulate an aspect of the display, and the second state modifies presentation of information on the display

15. The apparatus of claim 1 wherein the peripherals further comprise a communication interface providing one or more wireless links between the headset portable device and another data processing device.

16. The apparatus of claim 1 wherein the user commands are processed by the first processor to control aspects of presentation of visual information on the microdisplay.

17. The apparatus of claim 16 wherein the user commands control a field of view.

18. The apparatus of claim 17 wherein the user commands control a zoom, pan, or scale factor.

19. The apparatus of claim 16 wherein the user command selects a hyperlink item in a web page display.

10. A headset portable apparatus comprising:

a microdisplay, for displaying visual information;

two or more peripheral devices that provide one or more peripheral input signals indicating a sensor input or at least one of a user motion and/or vocal input;

a first processor, for translating the peripheral input signals indicating a sensor input or at least one of a user motion and/or vocal input into one or more detected commands; and

a processor controller, for selectively enabling the microdisplay and one or more of the peripherals depending on the one or more detected commands.

11. The apparatus of claim 10 wherein the one or more peripheral devices comprise:

one or more microphones, for receiving audio signals from the user, and

and wherein the first processor further comprises;

a speech recognizer, for processing audio signals to detect vocal commands.

12. The apparatus of claim 10 wherein the one or more peripheral devices is a motion detector and the motion detector provides two or more motion inputs indicative of a user motion along two or more axes.

13. The apparatus of claim 12 wherein the motion detector is a camera for detecting hand and/or body gesture movements of the user.

14. The apparatus of claim 12 wherein the motion detection is a head movement tracking device for detecting head movements of the user.