# US 2010/0164152 A1 · Portable electronic device with automatic protection capability > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0164152 A1 - Document ID: US20100164152A1 - Status: Published application - Kind: A1 - Application number: 12/498,458 - Filed: 2009-07-07 - Published: 2010-07-01 - Earliest claimed: 2008-12-25 - Assignees: Shenzhen Futaihong Precision Industry Co., Ltd.; Chi Mei Communication Systems, Inc. - Inventors: QIANG LI - Web page: https://patentgrep.com/patent/US20100164152A1 ## CPC - F16F 15/067: using only wound springs - H04M 1/185: {Improving the shock resistance of the housing, e.g. by increasing the rigidity} - F16F 2230/0023: protective - F16F: SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract A portable electronic includes a main body defining a plurality of mounting holes at corners; a plurality of mounting modules; a plurality of resilient members compressed and mounted in mounting holes of the main body by the corresponding mounting modules; and a control module. The control module includes a MCU; an acceleration transducer connected to the MCU to sample a real-time acceleration value, and a memory connected to the MCU to store a critical acceleration value. The control module controls the mounting modules to release the compressed resilient members so as to eject out the resilient members from the main body, when the real-time acceleration value is larger than the critical acceleration value. ## Claims ### Claim 1 A portable electronic device, comprising: a main body defining a plurality of mounting holes at corners thereof; a plurality of mounting modules; a plurality of resilient members compressed and mounted in mounting holes of the main body by the corresponding mounting modules; and a control module, wherein the control module controls the mounting modules to release the compressed resilient members to eject the resilient members from the main body when the real-time acceleration value is larger than a critical acceleration value. ### Claim 2 (depends on 1) The portable electronic device of claim 1, wherein each mounting module comprises a latching unit and an actuating unit; the latching unit comprises a latching member and a container to receive the corresponding resilient member; the container comprises a base, a sidewall extending from a periphery of the base, the base and the sidewall cooperatively defining an opening facing the corresponding mounting hole, and a latching hole defined in the sidewall adjacent to the opening; the latching member defines a latching protrusion at a side thereof engaged in the latching hole; one end of the corresponding resilient member is fixed to an end surface of the latching member, the other end of the corresponding resilient member is resisted to the base of the container; the actuating unit may release the resilient members from the containers by pressing the latching protrusions to be detached from the latching holes. ### Claim 3 (depends on 2) The portable electronic device of claim 2, wherein the latching member further defines an elongated slot in the end surface that fixes the resilient member. ### Claim 4 (depends on 2) The portable electronic device of claim 2, wherein the latching protrusion further defines a slanted side surface extending toward the end surface that fixes the resilient member. ### Claim 5 (depends on 2) The portable electronic device of claim 2, wherein the actuating unit comprises a connecting rod rotatably fixed in the main body, the connecting rod having a pressing portion adjacent to the latching protrusion, a magnetic member fixed to an end of the connecting rod away from the pressing portion, an electromagnet positioned adjacent to the magnetic member, a battery, and a switch, wherein the electromagnet, the battery, and the switch are electrically connected to form a circuit. ### Claim 6 (depends on 5) The portable electronic device of claim 5, wherein the actuating unit further comprises a hinge comprising a rotary shaft fixed in the main body, and a torsion spring sleeved on the rotary shaft; a middle part of the connecting rod is rotatably fixed to the rotary shaft and the torsion spring resists the connecting rod. ### Claim 7 (depends on 5) The portable electronic device of claim 5, wherein the actuating unit further comprises a supporting bracket fixed in the main body, a middle part of the connecting rod is rotatably engaged with the supporting bracket. ### Claim 8 (depends on 5) The portable electronic device of claim 5, wherein the magnetic member is a permanent magnet or an iron block. ### Claim 9 (depends on 1) The portable electronic device of claim 1, wherein the resilient members are bendable. ### Claim 10 (depends on 1) The portable electronic device of claim 1, wherein the critical acceleration is 9 m/s2. ### Claim 11 (depends on 1) The portable electronic device of claim 1, wherein the control module comprises a micro-controller unit (MCU); an acceleration transducer connected to the MCU to sample a real-time acceleration value, and a memory connected to the MCU to store the critical acceleration value. ### Claim 12 (depends on 11) The portable electronic device of claim 11, wherein the control module further comprises a time measuring unit connected to the MCU to sample a real-time moving time value, the memory stores a critical secure time value. ### Claim 13 (depends on 12) The portable electronic device of claim 12, wherein the critical secure time is 0.32 second.