# US 9,038,902 B2 · Electronic device for recognizing erroneous insertion of card, and operating method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,038,902 B2 - Document ID: US9038902B2 - Status: Granted - Kind: B2 - Application number: 14/091,557 - Filed: 2013-11-27 - Published: 2014-07-24 - Granted: 2015-05-26 - Earliest claimed: 2013-01-21 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Yong-Sang Yun - Web page: https://patentgrep.com/patent/US9038902B2 ## CPC - G06K 13/06: Guiding cards; Checking correct operation of card-conveying mechanisms - G06K 7/0008: {General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer} - G06K 7/0021: {for reading/sensing record carriers having surface contacts} - G06K 7/0026: {the galvanic contacts of the connector adapted for landing on the contacts of the card upon card insertion} - G06K 7/065: {for conductive marks} - G06K 7/10851: {Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device (basic electronic circuitry H03)} - G06K 13/0825: {the ejection arrangement being of the push-push kind} - H01R 12/721: {cooperating directly with the edge of the rigid printed circuits} - H01R 13/641: by indicating incorrect coupling; by indicating correct or full engagement - H04B 1/3816: Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H04B: TRANSMISSION ## Abstract An electronic device comprises a socket having a plurality of connection terminals that accommodates a card-type external device having a corner cut-out portion, a plurality of contact pads exposed on a surface of the card-type external device that are correspondingly connected to the connection terminals in response to insertion of the card-type external device into the socket. A detection unit detects erroneous insertion of the card-type external device into the socket in response to incorrect location of the cut-out portion during the erroneous insertion. A processor outputs a control signal in response to the detected erroneous insertion of the card-type external device. ## Claims ### Claim 1 An electronic device comprising: a socket provided within the electronic device for receiving a card-type external device having a cut-out portion formed in a corner of the card-type external device; a detection unit for detecting erroneous insertion of the card-type external device in the socket, wherein external device wherein the detection unit includes: (i) a movable piece occupying the cut-out portion when the card-type external device is correctly inserted into the socket, and (ii) a fixed piece that electrically couples to the movable piece when the card-type external device is erroneously inserted into the socket; and a control unit configured to output a control signal in response to the fixed piece electrically coupling with the movable piece. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the fixed piece is spaced apart from the movable piece, and the detection unit further comprises an elastic member configured to support the movable piece when the movable piece occupies the cut-out portion. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the movable piece is provided with a conductor, the fixed piece is provided with a first terminal and a second terminal spaced apart from each other, and the first terminal and the second terminal are electrically connected to each other by the fixed piece when the movable piece is pushed into the fixed piece. ### Claim 4 (depends on 3) The electronic device of claim 3, wherein the movable piece is pushed into the fixed piece when the card-type external device is erroneously inserted into the socket. ### Claim 5 (depends on 1) The electronic device of claim 1, further comprising a display device for outputting an error message in response to the card-type external device being erroneously inserted into the socket. ### Claim 6 (depends on 5) The electronic device of claim 5, wherein the error message identifies a correct way for inserting the card-type external device into the socket. ### Claim 7 (depends on 1) The electronic device of claim 1, further comprising a switch configured to electrically decouple a first terminal of the socket from a first terminal of the control unit and electrically couple the first terminal of the socket to a second terminal of the control unit when the card-type external device is erroneously inserted into the socket. ### Claim 8 (depends on 7) The electronic device of claim 7, wherein the switch is configured to electrically decouple the first terminal of the socket from the first terminal of the control unit in response to the control signal. ### Claim 9 (depends on 1) The electronic device of claim 1, wherein the card-type external device is a Subscriber Identification Module (SIM) card or a memory card. ### Claim 10 (depends on 1) The electronic device of claim 1, wherein the electronic device comprises a mobile communication terminal. ### Claim 11 An electronic device comprising: a socket provided within the electronic device for receiving a card-type external device having a cut-out portion formed in a corner of the card-type external device; a detection unit for detecting erroneous insertion of the card-type external device into the socket according to incorrect location of the cut-out portion during insertion of the card-type external device; and a processor for outputting a control signal in response to the erroneous insertion of the card-type external device; wherein the detection unit comprises at least one photo sensor performing detection by using the cut-out portion of the card-type external device to pass light for correct insertion detection. ### Claim 12 (depends on 11) The electronic device of claim 11, comprising a first photo sensor for detecting whether there is a cut-out portion and a second photo sensor for detecting whether the card-type external device is inserted. ### Claim 13 A method for detecting erroneous insertion of a card-type external device into a socket of an electronic device, comprising: detecting that the card-type external device is erroneously inserted in the socket; and in response to detecting that the card-type external device is erroneously inserted, electrically decoupling a first terminal of the socket from a first terminal of a control unit and electrically coupling the first terminal of the socket to a second terminal of the control unit. ### Claim 14 (depends on 13) The method of claim 13, further comprising outputting an error message in response to detecting that the card-type external device is erroneously inserted. ### Claim 15 (depends on 13) The method of claim 13, further comprising detecting whether the card-type external device is usable without correctly inserting the card-type external device in the socket, wherein the first terminal of the socket is electrically decoupled from the first terminal of the control unit and electrically coupled to the second terminal of the control unit in response to detecting that the card-type external device is usable without correctly inserting the card-type external device in the socket. ### Claim 16 (depends on 13) The method of claim 13, wherein the card-type external device is a Subscriber Identification Module (SIM) card or a memory card. ### Claim 17 (depends on 13) The method of claim 13, wherein the detecting whether the card-type external device is erroneously inserted is performed using a detection unit for detecting erroneous insertion of the card-type external device in the socket, wherein the detection unit includes: (i) a movable piece occupying a cut-out portion of the card-type external device when the card-type external device is correctly inserted into the socket, and (ii) a fixed piece that electrically couples with the movable piece when the card-type external device is erroneously inserted into the socket. ### Claim 18 A method for detecting erroneous insertion of a card-type external device into a socket of an electronic device, comprising: detecting that the card-type external device is erroneously inserted in the socket; and in response to detecting that the card-type external device is erroneously inserted, swapping a first terminal of the socket with a second terminal of the socket, the swapping including: (i) electrically decoupling the first terminal of the socket from a first terminal of a control unit and electrically coupling the first terminal of the socket to a second terminal of the control unit, and (ii) electrically decoupling the second terminal of the socket from the second terminal of the control unit and electrically coupling the second terminal of the socket to the first terminal of the control unit. ### Claim 19 (depends on 18) The method of claim 18, wherein the card-type external device comprises a Subscriber Identification Module (SIM) card or a memory card. ### Claim 20 (depends on 18) The method of claim 18, wherein the detecting whether the card-type external device is erroneously inserted is performed using a detection unit for detecting erroneous insertion of the card-type external device in the socket, wherein the detection unit includes: (i) a movable piece occupying a cut-out portion of the card-type external device when the card-type external device is correctly inserted into the socket, and (ii) a fixed piece that electrically couples with the movable piece when the card-type external device is erroneously inserted into the socket.