# US 2014/0191991 A1 · Responding to a touch input

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- Number: US 2014/0191991 A1
- Document ID: US20140191991A1
- Status: Published application
- Kind: A1
- Application number: 14/135,356
- Filed: 2013-12-19
- Published: 2014-07-10
- Earliest claimed: 2013-01-04
- Assignees: Motorola Mobility LLC
- Applicants: Motorola Mobility LLC
- Inventors: Christian L. Flowers; Nathan M. Connell; Michael F. Olley; Michael E. Gunn
- Web page: https://patentgrep.com/patent/US20140191991A1

## CPC

- G06F 1/3262: {Power saving in digitizer or tablet}
- G06F 1/3215: Monitoring of peripheral devices
- G06F 1/3293: by switching to a less power-consuming processor, e.g. sub-CPU
- G06F 3/0416: {Control or interface arrangements specially adapted for digitisers}
- G06F 3/04886: by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
- Y02D 10/00: Energy efficient computing, e.g. low power processors, power management or thermal management
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

Disclosed are systems and methods for responding to a touch input at a user computing device such as a mobile phone, smart phone, tablet, PC or other device. In one aspect, such systems and methods are performed on an electronic device including a touch-input system, a first processor, and a second processor distinct from the first processor. Disclosed systems and methods include, while the first processor is in a sleep mode, receiving, by the second processor from the touch-input system, information associated with a touch, the information including a location of the touch on a screen of the touch-input system and, based, at least in part, on the location of the touch, either ignoring the touch or waking the first processor.

## Claims

### Claim 1

A method for responding to a touch input on an electronic device, the electronic device having a touch-input system, a first processor supporting a sleep mode and an awake mode, and a second processor, the first processor distinct from the second processor, the method comprising:
while the first processor is in the sleep mode:
receiving, by the second processor from the touch-input system, information associated with a touch, the information comprising a location of the touch on a screen of the touch-input system; and
based, at least in part, on the location of the touch, selecting an action from the group consisting of: ignoring the touch at the second processor and waking the first processor by the second processor such that the first processor transitions from the sleep mode to the awake mode.

### Claim 2 (depends on 1)

The method of claim 1 wherein the touch is selected from the group consisting of:
a single-point touch, a multi-point touch, and a gesture.

### Claim 3 (depends on 1)

The method of claim 1 wherein the second processor displays information via the touch-input system while the first processor is in the sleep mode.

### Claim 4 (depends on 1)

The method of claim 1 wherein the second processor logically divides the touch-input screen into live and non-live areas, the second processor ignoring a touch in a non-live area, and the second processor waking the first processor for a touch that is at least in part in a live area.

### Claim 5 (depends on 1)

The method of claim 1 wherein waking the first processor comprises sending a handover signal to the first processor.

### Claim 6 (depends on 1)

The method of claim 1 wherein waking the first processor by the second processor further includes sending information about the touch from the second processor to the first processor.

### Claim 7 (depends on 1)

The method of claim 1 further comprising receiving information associated with the touch at the first processor from the touch-input system.

### Claim 8 (depends on 1)

The method of claim 1 wherein the first processor transitions itself from the sleep mode to the awake mode upon being awakened.

### Claim 9 (depends on 1)

The method of claim 1 wherein the first processor displays information via the touch-input system while the first processor is in the awake mode.

### Claim 10

An electronic device configured for responding to a touch input, the electronic device comprising:
a touch-input system;
a first processor; and
a second processor operatively coupled to the touch-input system and to the first processor, the second processor distinct from the first processor, the second processor configured for:
while the first processor is in a sleep mode:
receiving, from the touch-input system, information associated with a touch, the information comprising a location of the touch on a screen of the touch-input system; and
based, at least in part, on the location of the touch, executing an action selected from the group consisting of: ignoring the touch and waking the first processor.

### Claim 11 (depends on 10)

The electronic device of claim 10 wherein the electronic device is selected from the group consisting of: a personal electronic device, a mobile telephone, a personal digital assistant, and a tablet computer.

### Claim 12 (depends on 10)

The electronic device of claim 10 wherein the first processor is an application processor and the second processor is a sensor hub.

### Claim 13 (depends on 10)

The electronic device of claim 10 wherein the touch is selected from the group consisting of: a single-point touch, a multi-point touch, and a gesture.

### Claim 14 (depends on 10)

The electronic device of claim 10 wherein the second processor is configured to display information via the touch-input system while the first processor is in the sleep mode.

### Claim 15 (depends on 10)

The electronic device of claim 10 wherein the second processor is configured to logically divide the touch-input screen into live and non-live areas, to ignore a touch located in a non-live area, and to wake the first processor for a touch located at least in part in a live area.

### Claim 16 (depends on 10)

The electronic device of claim 10 wherein waking the first processor includes sending a handover signal to the first processor.

### Claim 17 (depends on 10)

The electronic device of claim 10 wherein the second processor is further configured to send information about the touch to the first processor upon waking the first processor.

### Claim 18 (depends on 10)

The electronic device of claim 10 wherein the first processor is configured to receive information associated with the touch from the touch-input system upon waking

### Claim 19 (depends on 10)

The electronic device of claim 10 wherein the first processor is configured to transition itself from the sleep mode to the awake mode.

### Claim 20 (depends on 10)

The electronic device of claim 10 wherein the first processor is configured to display information via the touch-input system while the first processor is in the awake mode.
