# US 11,079,299 B2 · Terminal water-entry protection method and electronic device

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- Number: US 11,079,299 B2
- Document ID: US11079299B2
- Status: Granted
- Kind: B2
- Application number: 15/879,704
- Filed: 2018-01-25
- Published: 2018-05-31
- Granted: 2021-08-03
- Earliest claimed: 2016-11-04
- Assignees: Shenzhen Goodix Technology Co., Ltd.
- Applicants: Shenzhen Goodix Technology Co., Ltd.
- Inventors: Ping Zhang
- Web page: https://patentgrep.com/patent/US11079299B2

## CPC

- G01M 3/16: using electric detection means ({G01M3/045,} G01M3/06, G01M3/12, G01M3/20, G01M3/24, G01M3/26 take precedence)
- G01F 23/266: {measuring circuits therefor}
- G01N 27/223: {for determining moisture content, e.g. humidity (rain detectors on vehicle windows B60S1/0825)}
- G06F 1/3206: Monitoring of events, devices or parameters that trigger a change in power modality
- G08B 21/20: responsive to moisture
- G05B 19/0428: {Safety, monitoring (G05B19/0423 takes precedence)}
- G05B 2219/23161: Hand held terminal PDA displays machine control program when user is near that machine
- G01M: TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01F: MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)

## Abstract

The present disclosure relates to a terminal water-entry protection method and an electronic device. The method includes: arranging at least one start region in a touch region of a touch screen of a terminal, where at least one node is included in the start region; acquiring a trigger value of each node in the at least one start region, and acquiring a marker value of each node in the whole touch screen if the trigger value of at least one node in the at least one start region reaches a predetermined trigger threshold; increasing the number of nodes in a water-entry region by one when the marker value of any node in the whole touch screen reaches a predetermined marker threshold; judging whether the number of nodes in the water-entry region reaches a predetermined value; and controlling a power source of the terminal according to a judgment result.

## Claims

### Claim 1

A terminal water-entry protection method, comprising:
arranging at least one start region in a touch region of a touch screen of a terminal, wherein the start region comprises at least one node;
acquiring a trigger value of each node in the at least one start region, and acquiring a marker value of each node in the whole touch screen in response to the trigger value of at least one node in the at least one start region reaching a predetermined trigger threshold;
increasing the number of nodes in a water-entry region by one for each instance of the marker value of any node in the whole touch screen reaching a predetermined marker threshold;
obtaining a judgement result in response to the number of nodes in the water-entry region reaching a predetermined value; and
cutting off a power source of the terminal in response to the judgment result.

### Claim 2 (depends on 1)

The terminal water-entry protection method according to claim 1, wherein the acquiring a trigger value of each node in the at least one start region comprises:
using a measurement value of each node in the at least one start region when the touch screen is in the air as a reference value of each node in the at least start region;
constantly acquiring measurement value of each node in the at least one start region; and
constantly calculating a difference value between the measurement value of each node in the at least one start region and the reference value of each node in the at least one start region, and using the difference value as the trigger value.

### Claim 3 (depends on 2)

The terminal water-entry protection method according to claim 2, wherein the acquiring a marker value of each node in the whole touch screen comprises:
using the measurement value of each node in the whole touch screen when the touch screen is in the air as a reference value of each node in the whole touch screen;
constantly acquiring a measurement value of each node in the whole touch screen; and
constantly calculating a difference value between the measurement value of each node in the whole touch screen and the reference value of each node in the whole touch region, and using the difference value as the marker value.

### Claim 4 (depends on 1)

The terminal water-entry protection method according to claim 1, wherein the acquiring a trigger value of each node in the at least one start region comprises:
constantly acquiring a capacitance value or a current value of each node in the at least one start region; and
processing the capacitance value or current value of each node in the at least one start region to acquire the trigger value of each node in the at least one start region.

### Claim 5 (depends on 4)

The terminal water-entry protection method according to claim 4, wherein the acquiring a marker value of each node in the whole touch screen comprises:
constantly acquiring a capacitance value or a current value of each node in the whole touch screen; and
processing the capacitance value or the current value of each node in the whole touch screen to acquire the marker value of each node in the whole touch screen.

### Claim 6 (depends on 1)

The terminal water-entry protection method according to claim 1, wherein the start region is respectively present in each of touch regions at four corners of the touch screen.

### Claim 7

An electronic device, equipped with a touch screen; wherein a touch region of the touch screen comprises at least one start region, the at least one start region comprises at least one node; and
the electronic device comprises at least one processor and at least one memory;
wherein the at least one processor is communicably connected to the at least one memory; and
the at least one memory stores instructions executable by the at least one processor, which, when being executed, cause the at least one processor to:
acquire a trigger value of each node in the at least one start region, and acquire a marker value of each node in the whole touch screen in response to the trigger value of at least one node in the at least one start region reaching a predetermined trigger threshold;
increase the number of nodes in a water-entry region by one for each instance of the marker value of any node in the whole touch screen reaching a predetermined marker threshold;
obtain a judgement result in response to the number of nodes in the water-entry region reaching a predetermined value; and
cut off a power source of the terminal in response to the judgment result.

### Claim 8 (depends on 7)

The electronic device according to claim 7, wherein the at least one processor is further configured to:
use a measurement value of each node in the at least one start region when the touch screen is in the air as a reference value of each node in the at least start region;
constantly acquire measurement value of each node in the at least one start region; and
constantly calculate a difference value between the measurement value of each node in the at least one start region and the reference value of each node in the at least one start region, and use the difference value as the trigger value.

### Claim 9 (depends on 8)

The electronic device according to claim 8, wherein the at least one processor is further configured to:
use the measurement value of each node in the whole touch screen when the touch screen is in the air as a reference value of each node in the whole touch screen;
constantly acquire a measurement value of each node in the whole touch screen; and
constantly calculate a difference value between the measurement value of each node in the whole touch screen and the reference value of each node in the whole touch region, and use the difference value as the marker value.

### Claim 10 (depends on 7)

The electronic device according to claim 7, wherein the at least one processor is further configured to:
constantly acquire capacitance value or current value of each node in the at least one start region; and
process the capacitance value or current value of each node in the at least one start region to acquire the trigger value of each node in the at least one start region.

### Claim 11 (depends on 10)

The electronic device according to claim 10, wherein the at least one processor is further configured to:
constantly acquire a capacitance value or a current value of each node in the whole touch screen; and
process the capacitance value or the current value of each node in the whole touch screen to acquire the marker value of each node in the whole touch screen.

### Claim 12

A non-transitory computer-readable medium with instructions stored therein, the instructions, when executed by a processor, cause the processor to perform operations, the operations comprising:
arranging at least one start region in a touch region of a touch screen of a terminal, wherein the start region comprises at least one node; acquiring a trigger value of each node in the at least one start region, and
acquiring a marker value of each node in the whole touch screen in response to the trigger value of at least one node in the at least one start region reaching a predetermined trigger threshold;
increasing the number of nodes in a water-entry region by one for each instance the marker value of any node in the whole touch screen reaching a predetermined marker threshold;
obtaining a judgement result in response to the number of nodes in the water-entry region reaching a predetermined value; and
cutting-off a power source of the terminal in response to the judgment result.

### Claim 13 (depends on 12)

The non-transitory computer-readable medium according to claim 12, wherein the acquiring a trigger value of each node in the at least one start region comprises:
using a measurement value of each node in the at least one start region when the touch screen is in the air as a reference value of each node in the at least start region;
constantly acquiring measurement value of each node in the at least one start region; and
constantly calculating a difference value between the measurement value of each node in the at least one start region and the reference value of each node in the at least one start region, and using the difference value as the trigger value.

### Claim 14 (depends on 13)

The non-transitory computer-readable medium according to claim 13, wherein the acquiring a marker value of each node in the whole touch screen comprises:
using the measurement value of each node in the whole touch screen when the touch screen is in the air as a reference value of each node in the whole touch screen;
constantly acquiring a measurement value of each node in the whole touch screen; and
constantly calculating a difference value between the measurement value of each node in the whole touch screen and the reference value of each node in the whole touch region, and using the difference value as the marker value.

### Claim 15 (depends on 12)

The non-transitory computer-readable medium according to claim 12, wherein the acquiring a trigger value of each node in the at least one start region comprises:
constantly acquiring a capacitance value or a current value of each node in the at least one start region; and
processing the capacitance value or current value of each node in the at least one start region to acquire the trigger value of each node in the at least one start region.

### Claim 16 (depends on 15)

The non-transitory computer-readable medium according to claim 15, wherein the acquiring a marker value of each node in the whole touch screen comprises:
constantly acquiring a capacitance value or a current value of each node in the whole touch screen; and processing the capacitance value or the current value of each node in the whole touch screen to acquire the marker value of each node in the whole touch screen.

### Claim 17 (depends on 12)

The non-transitory computer-readable medium according to claim 12, wherein the start region is respectively present in each of touch regions at four corners of the touch screen.