# US 2018/0324985 A1 · Electric shock prevention apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324985 A1 - Document ID: US20180324985A1 - Status: Published application - Kind: A1 - Application number: 15/771,671 - Filed: 2016-10-28 - Published: 2018-11-08 - Earliest claimed: 2015-10-28 - Assignees: Amotech Co., Ltd. - Applicants: Amotech Co., Ltd. - Inventors: Jae Su RYU; Yun Suk CHOI; Yoon-Ho HWANG; Byung Guk LIM - Web page: https://patentgrep.com/patent/US20180324985A1 ## CPC - H05K 9/0009: {with provisions to reduce EMI leakage through the joining parts} - G06F 1/1656: {Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203)} - H01C 1/01: Mounting; Supporting - H01C 7/1006: {Thick film varistors} - H01C 7/123: {Arrangements for improving potential distribution} - H01C 7/126: {Means for protecting against excessive pressure or for disconnecting in case of failure} - H01G 2/06: specially adapted for mounting on a printed-circuit support - H01T 4/02: Details - H01T 4/12: hermetically sealed - H04M 1/0202: {Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets (constructional features of telephone transmitters or receivers, e.g. of speakers or microphones H04M1/03)} - H01C 7/12: Overvoltage protection resistors; Arresters - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H01C: RESISTORS - H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10) - H01T: SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract Provided is an electric shock protection apparatus. The electric shock protection apparatus, according to one exemplary embodiment of the present invention, comprises: a conductive connection part comprising an upper surface, which electrically comes into contact with a conductor of an electronic device, comprising an accommodation part containing a predetermined space formed at a lower part thereof, and having elastic force; a circuit board having a conductive connection part mounted therein; and an electric shock protection device mounted on the circuit board such that at least a portion of the electric shock protection device is disposed at the accommodation part, and blocking leakage current of an external power source which flows into a grounding part of the circuit board, wherein the circuit board comprises a pad and a wiring such that the conductive connection part and the electric shock protection device are electrically connected in series. ## Claims ### Claim 1 An electric shock protection apparatus comprising: a conductive connection part having elastic force comprising an accommodation part which an upper surface is in electrical contact with a conductor of an electronic device and in which a predetermined space is formed at a lower portion; a circuit board on which the conductive connection part is mounted; and an electric shock protection device mounted on the circuit board such that at least a portion of the electric shock protection device is disposed at the accommodation part, and blocking a leakage current of an external power source that flows from a ground of the circuit board of the electronic device, wherein the circuit board comprises a pad and a wiring such that the conductive connection part and the electric shock protection device are electrically connected in series. ### Claim 2 (depends on 1) The electric shock protection apparatus of claim 1, wherein the electric shock protection device passes a communication signal flowing from the conductor or passes the static electricity without a dielectric breakdown when the static electricity flows from the conductor. ### Claim 3 (depends on 1) The electric shock protection apparatus of claim 1, wherein the accommodation part is provided in any one of a shape of a letter “”, a shape of a letter “E”, and a shape of a letter “” on a lower surface of the conductive connection part. ### Claim 4 (depends on 1) The electric shock protection apparatus of claim 1, wherein the accommodation part is provided in a shape of a letter “” on a lower surface of the conductive connection part, and includes an connection part in which a side of the shape of the letter “” extends to the electric shock protection device. ### Claim 5 (depends on 1) The electric shock protection apparatus of claim 1, wherein the accommodation part is formed between a plurality of supporting parts extending vertically from a lower surface of the conductive connection part. ### Claim 6 (depends on 1) The electric shock protection apparatus of claim 1, wherein the conductive connection part shares a space three-dimensionally with elastic members having at least two different elastic forces. ### Claim 7 (depends on 1) The electric shock protection apparatus of claim 1, wherein the conductive connection part including: a body including an elastic member having a spiral shape; a cover part including a contact part formed on the upper side of the body; and a supporting part extending vertically from the body and forming a side wall of the accommodation part. ### Claim 8 (depends on 7) The electric shock protection apparatus of claim 7, wherein the spiral shape is formed by one of folding, rolling, and winding. ### Claim 9 (depends on 7) The electric shock protection apparatus of claim 7, wherein the supporting part is provided in any one of a shape of a letter “”, a shape of a letter “E”, and a shape of a letter “” on a lower surface of the conductive connection part. ### Claim 10 (depends on 7) The electric shock protection apparatus of claim 7, wherein the supporting part is provided in a shape of a letter “” on a lower surface of the conductive connection part, and includes an connection part in which a side of the shape of the letter “” extends to the electric shock protection device. ### Claim 11 (depends on 7) The electric shock protection apparatus of claim 7, wherein the supporting part is respectively separated from a plurality of positions on the lower surface of the body and vertically extends. ### Claim 12 (depends on 1) The electric shock protection apparatus of claim 1, wherein the electric shock protection device includes an electric shock protection part and at least one capacitor layer, wherein the electric shock protection part has a breakdown voltage Vbr satisfying the following equation. Vbr>Vin,Vcp>Vbr wherein, Vin is a rated voltage of an external power source of the electronic device, and Vcp is a total dielectric breakdown voltage of the capacitor layer ### Claim 13 (depends on 12) The electric shock protection apparatus of claim 12, wherein the electric shock protection device including: a sintered body in which a plurality of sheet layers are stacked; an electric shock protection part including at least a pair of internal electrodes spaced apart from each other at a predetermined interval in inside of the sintered body; and at least one capacitor layer electrically connected in parallel with the electric shock protection part and passing a communication signal flowing from the conductor. ### Claim 14 (depends on 12) The electric shock protection apparatus of claim 12, wherein the electric shock protection device including: an electric shock protection part including at least two varistor material layers in which a first varistor material layer and a second varistor material layer are stacked, a plurality of first internal electrodes spaced apart by a predetermined interval L on the first varistor material layer, a plurality of second internal electrodes spaced apart by a predetermined interval L on the second varistor material layer, and at least one laminated capacitor layer electrically connected in parallel with the electric shock protection part and passing a communication signal. ### Claim 15 (depends on 1) The electric shock protection apparatus of claim 1, wherein the conductive connection part is any one of a conductive gasket, a silicone rubber pad, and a clip-shaped conductor having elastic force.