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KR-102962691-B1 - ELECTRONIC DEVICE INCLUDING GRIP SENSOR AND OPERATING METHOD THEREOF

KR102962691B1KR 102962691 B1KR102962691 B1KR 102962691B1KR-102962691-B1

Abstract

An electronic device according to various embodiments may include an antenna, a coupler for acquiring I/Q (inphase/quadrature) data of the antenna, a grip sensor for determining the location and proximity of an external object, a memory for storing a table that matches the I/Q data of the antenna with the recognition threshold of the grip sensor according to the location of the external object, and a processor operatively connected to the coupler, the grip sensor, and the memory. The memory may store instructions in which, at execution, the processor acquires I/Q data of the antenna corresponding to the location of the external object using the coupler, analyzes the acquired I/Q data to determine the approach location of the external object, and adjusts the recognition distance of the grip sensor for the first direction by adjusting the threshold value for the grip sensor to recognize the object for the first direction corresponding to the location of the external object.

Inventors

  • 박종호

Assignees

  • 삼성전자주식회사

Dates

Publication Date
20260511
Application Date
20210706

Claims (20)

  1. In electronic devices, antenna; A coupler for acquiring I/Q (inphase/quadrature) data of the above antenna; A grip sensor that determines the location and proximity of an external object; A memory storing a table and instructions for matching the I/Q data of the antenna according to the position of the external object with the recognition threshold of the grip sensor; and It includes at least one processor operatively connected to the above coupler, the above grip sensor, and the above memory, and When the above instructions are executed by the processor, the electronic device Using the above coupler, I/Q data of the antenna corresponding to the position of the external object is obtained, and The approach position of the external object is determined using the coordinate position on the chart corresponding to the magnitude and phase information included in the above-mentioned acquired I/Q data, and The recognition distance of the grip sensor for the first direction is adjusted by adjusting the threshold value for recognizing the object with respect to the first direction in correspondence with the position of the external object, and An electronic device that controls the adjustment of the recognition distance by performing it differently in correspondence with at least one of the radio access technology (RAT), bandwidth, and frequency band of the antenna, and by reducing the reference value to increase the recognition distance so that the transmission power of the antenna in the first direction satisfies the specific absorption rate (SAR) regulation.
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  3. In Article 1, The I/Q data generated from the above antenna An electronic device that can be generated differently depending on at least one of the radio access technology (RAT), bandwidth, and frequency band of the above antenna.
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  5. In Article 1, When the above instructions are executed by the at least one processor, the electronic device An electronic device that uses the grip sensor to detect the approach of the external object and controls the transmission power of the antenna to reduce it to satisfy the specific absorption rate (SAR) regulation.
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  7. In Article 1, When the above instructions are executed by the at least one processor, the electronic device An electronic device that controls the transmission power of the antenna for a second direction different from the first direction to satisfy the specific absorption rate (SAR) regulation, thereby reducing the threshold value for which the grip sensor recognizes an object and increasing the recognition distance of the grip sensor for the second direction.
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  9. In Article 1, When the above instructions are executed by the at least one processor, the electronic device Using the position of the above coordinates, the strength of the transmission signal of the antenna, whether the external object is approaching, and the direction of approach are determined, and An electronic device that controls the recognition distance of the grip sensor according to a table in which the recognition distance of the grip sensor according to the approach direction of the external object stored in the memory is adjusted.
  10. In Article 9, When the above instructions are executed by the at least one processor, the electronic device An electronic device that controls the recognition distance of the grip sensor for the direction in which the external object approaches by adjusting the threshold value for the grip sensor to recognize an object according to a table stored in the memory.
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Description

Electronic device including grip sensor and method of operation thereof Various embodiments of the present invention relate to an apparatus and method for controlling the operation of a grip sensor in an electronic device. Due to the advancement of wireless communication technology, electronic devices can perform various forms of wireless communication, such as voice communication, data communication, and mobile communication. The electronic device may include an antenna operating in at least one designated frequency band using a conductive portion disposed on at least a part of the side frame of the electronic device connected to a wireless communication circuit. The electronic device may detect a user's grip through a change in capacitance using a grip sensor disposed inside the electronic device. For example, the electronic device can determine whether a user is gripping based on a change in capacitance from a reference value of the grip sensor (e.g., reference capacitance). The electronic device can control the antenna to satisfy the Specific Absorption Rate (SAR) specifications based on the gripping information of the electronic device by the user. For example, the electronic device can adjust the transmission power of the antenna when it is determined that the user's body is in contact or adjacent to it, based on the gripping information of the electronic device by the user. The antenna may operate according to a set radiated power. The performance of the antenna (e.g., data transmission and reception speed) may vary depending on the intensity of the set radiated power. The radiated power of the antenna may be determined within a specified range by considering the specific absorption rate (SAR: the amount of electromagnetic waves that can be absorbed by the human body) generated by the antenna. The electronic device may reduce the amount of electromagnetic waves that can be absorbed by the user by lowering the radiated power. FIG. 1 is a block diagram of an electronic device in a network environment according to various embodiments. FIG. 2 is a block diagram showing the configuration of an electronic device according to various embodiments. FIGS. 3a and 3b show circuit diagrams of a bidirectional coupler for calculating the reflection coefficient of an antenna according to various embodiments. FIGS. 4a and 4b show the I/Q chart and data of an antenna according to various embodiments. FIGS. 5 to 8 show I/Q charts and mapping tables according to various embodiments. FIG. 9 shows a flowchart of an operation method of an electronic device including a grip sensor according to various embodiments. FIG. 1 is a block diagram of an electronic device (101) in a network environment (100) according to various embodiments. Referring to FIG. 1, in the network environment (100), the electronic device (101) may communicate with an electronic device (102) through a first network (198) (e.g., a short-range wireless communication network) or may communicate with at least one of an electronic device (104) or a server (108) through a second network (199) (e.g., a long-range wireless communication network). According to one embodiment, the electronic device (101) may communicate with the electronic device (104) through a server (108). According to one embodiment, the electronic device (101) may include a processor (120), memory (130), input module (150), sound output module (155), display module (160), audio module (170), sensor module (176), interface (177), connection terminal (178), haptic module (179), camera module (180), power management module (188), battery (189), communication module (190), subscriber identification module (196), or antenna module (197). In some embodiments, at least one of these components (e.g., connection terminal (178)) may be omitted from the electronic device (101), or one or more other components may be added. In some embodiments, some of these components (e.g., sensor module (176), camera module (180), or antenna module (197)) may be integrated into a single component (e.g., display module (160)). The processor (120) can control at least one other component (e.g., hardware or software component) of the electronic device (101) connected to the processor (120) by executing software (e.g., program (140)), for example, and can perform various data processing or operations. According to one embodiment, as at least part of the data processing or operations, the processor (120) can store commands or data received from other components (e.g., sensor module (176) or communication module (190)) in volatile memory (132), process the commands or data stored in volatile memory (132), and store the resulting data in non-volatile memory (134). According to one embodiment, the processor (120) may include a main processor (121) (e.g., central processing unit or application processor) or an auxiliary processor (123) that can operate independently or together with it (e.g., graphics processing unit, neural p