# US 2019/0171586 A1 · Electronic device and method for recognizing accessories

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- Number: US 2019/0171586 A1
- Document ID: US20190171586A1
- Status: Published application
- Kind: A1
- Application number: 16/272,380
- Filed: 2019-02-11
- Published: 2019-06-06
- Earliest claimed: 2016-08-01
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Won-Wook LEE; Ji-Su RYU; Seok-Joon PARK
- Web page: https://patentgrep.com/patent/US20190171586A1

## CPC

- G06F 13/10: Program control for peripheral devices (G06F13/14 - G06F13/42 take precedence)
- G06F 21/44: Program or device authentication
- G06F 21/85: interconnection devices, e.g. bus-connected or in-line devices
- H01R 13/6683: {with built-in sensor}
- H04M 1/0274: {for an electrical connector module}
- H04M 1/72409: by interfacing with external accessories (hands-free H04M1/60)
- H04M 1/72412: using two-way short-range wireless interfaces
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

An electronic device and a method for recognizing accessories that are mounted into a connector of an electronic device are provided. The electronic device includes a housing that includes a first surface that faces in the first direction and a second surface that faces in the second direction, opposite the first direction, a display that is disposed between the first surface and the second surface and is exposed through the first surface, a power supply unit that applies a voltage, and at least one processor that is electrically connected to the display, wherein: the housing includes a universal serial bus (USB) type-C connector, the connector includes a contact substrate that is electrically connected to the processor to detect the insertion of an accessory, and the power supply unit and the processor are electrically connected to a mid plate that is formed in the contact substrate.

## Claims

### Claim 1

An electronic device comprising:
a housing that includes a first surface facing a first direction and a second surface facing a second direction opposite to the first direction;
a display that is disposed between the first surface and the second surface, the display being exposed through the first surface;
at least one processor that is electrically connected to the display; and
a metal part that surrounds a connector of universal serial bus (USB) type C,
wherein at least one capacitor is connected to a portion of the metal part to prevent leakage current based on power applied from an accessory, and
wherein the at least one capacitor is configured to be short-circuited when an overcurrent occurs.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein the at least one capacitor is connected to both ends of the metal part that surrounds the connector.

### Claim 3 (depends on 1)

The electronic device of claim 1,
wherein the at least one capacitor comprises a first capacitor and a second capacitor, and
wherein the first capacitor is connected to a first end of the metal part and the second capacitor is connected to a second end of the metal part.

### Claim 4 (depends on 1)

The electronic device of claim 1, wherein the at least one processor is configured to identify whether foreign matter exists in the connector.

### Claim 5 (depends on 4)

The electronic device of claim 4, wherein, when the at least one processor identifies that foreign matter exists in the connector, the at least one processor is further configured to control the display to display a warning screen to induce a user to check for the foreign matter in the connector.

### Claim 6 (depends on 5)

The electronic device of claim 5, wherein the warning screen comprises:
a request for the user to check at least one of the insertion state of the accessory, whether the foreign matter is in the connector, or whether the connector is broken, or a request for attaching or removing the accessory.

### Claim 7 (depends on 1)

The electronic device of claim 1, further comprising:
a power supply; and
a circuit device comprising:
the at least one capacitor, the at least one capacitor comprising two capacitors that are formed at both ends of the metal part, respectively,
two resistors configured to:
prevent leakage current based on the power applied from the accessory; and adjust the current, and
a single diode that is formed at an end of the power supply.

### Claim 8 (depends on 7)

The electronic device of claim 7,
wherein the connector includes a contact substrate that is electrically connected to the at least one processor to detect an insertion of the accessory, and
wherein the at least one processor is configured to:
identify whether the accessory is inserted using a mid plate of a contact substrate of the connector; and
identify an insertion state of the accessory based on a portion of a voltage applied to the mid plate by the power supply.

### Claim 9 (depends on 8)

The electronic device of claim 8,
wherein the mid plate comprises an electrically conductive mid plate, and
wherein the power supply and the at least one processor are electrically connected to the mid plate formed in the contact substrate.

### Claim 10 (depends on 8)

The electronic device of claim 8, wherein the at least one processor is further configured to, when the voltage applied to the mid plate decreases after the insertion of the accessory has been detected, identify whether it is possible to communicate with the accessory through a first configuration channel (CC)-pin of the contact substrate.

### Claim 11

An electronic device comprising:
a housing that includes a first surface facing a first direction and a second surface facing a second direction opposite to the first direction;
a display that is disposed between the first surface and the second surface, the display being exposed through the first surface;
at least one processor that is electrically connected to the display; and
a metal part that surrounds a connector of universal serial bus (USB) type C,
wherein the at least one processor is configured to:
identify whether foreign matter exists in the connector;
if the foreign matter exists in the connector, control the display to display a warning screen to induce a user to check for the foreign matter in the connector.

### Claim 12 (depends on 11)

The electronic device of claim 11, wherein at least one capacitor is connected to a portion of the metal part to prevent leakage current based on power applied from an accessory, and wherein the at least one capacitor is configured to be short-circuited when an overcurrent occurs.

### Claim 13 (depends on 12)

The electronic device of claim 12, wherein the at least one capacitor is connected to both ends of the metal part that surrounds the connector.

### Claim 14 (depends on 12)

The electronic device of claim 12, wherein the at least one capacitor comprises a first capacitor and a second capacitor, and
wherein the first capacitor is to a first end of the metal part and the second capacitor is connected to a second end of the metal part.

### Claim 15 (depends on 11)

The electronic device of claim 11, wherein the warning screen comprises:
a request for the user to check at least one of the insertion state of the accessory, whether the foreign matter is in the connector, or whether the connector is broken, or
a request for attaching or removing the accessory.

### Claim 16 (depends on 11)

The mobile device of claim 11, further comprising:
a power supply; and
a circuit device comprising:
the at least one capacitor, the at least one capacitor comprising two capacitors that are formed at both ends of the metal part, respectively,
two resistors configured to:
prevent leakage current based on the power applied from the accessory; and adjust the current, and
a single diode that is formed at an end of the power supply.

### Claim 17 (depends on 16)

The mobile device of claim 16,
wherein the connector includes a contact substrate that is electrically connected to the at least one processor to detect an insertion of the accessory, and
wherein the at least one processor is configured to:
determine whether the accessory is inserted using a mid plate of a contact substrate of the connector; and
determine an insertion state of the accessory based on a portion of a voltage applied to the mid plate by the power supply.

### Claim 18 (depends on 17)

The mobile device of claim 17,
wherein the mid plate comprises an electrically conductive mid plate, and
wherein the power supply and the at least one processor are electrically connected to the mid plate formed in the contact substrate.

### Claim 19 (depends on 17)

The mobile device of claim 17, wherein the at least one processor is further configured to, when the voltage applied to the mid plate decreases after the insertion of the accessory has been detected, identify whether it is possible to communicate with the accessory through a first configuration channel (CC)-pin of the contact substrate.

### Claim 20

A device comprising:
a housing;
a display that is exposed through a surface of the housing;
at least one processor that is electrically connected to the display; and
a metal part that surrounds a connector of universal serial bus (USB) type C,
wherein at least one capacitor is connected to a portion of the metal part to prevent leakage current based on power applied from an accessory, and
wherein the at least one capacitor is configured to be short-circuited when an overcurrent occurs.
