Abstract: A mobile machine includes controllable mechanism that performs a prescribed operation on a worksite as the mobile machine travels over the worksite in a direction of travel, and a communication system that receives attribute data indicative of an attribute corresponding to the worksite, and that receives effect data indicative of an effect of the prescribed operation being performed on the worksite. The mobile machine may further include a control system that generates a difference map indicative of a difference between the attribute data and the effect data, and that controls the controllable mechanism to adjust performance of the prescribed operation on the worksite, based on the difference.

Abstract: Disclosed herein are systems and methods for providing supplemental identification abilities to an autonomous vehicle system. The sensor unit of the vehicle may be configured to receive data indicating an environment of the vehicle, while the control system may be configured to operate the vehicle. The vehicle may also include a processing unit configured to analyze the data indicating the environment to determine at least one object having a detection confidence below a threshold. Based on the at least one object having a detection confidence below a threshold, the processor may communicate at least a subset of the data indicating the environment for further processing. The vehicle is also configured to receive an indication of an object confirmation of the subset of the data. Based on the object confirmation of the subset of the data, the processor may alter the control of the vehicle by the control system.

Abstract: The present application discloses at least a the steering control method and apparatus for a driverless vehicle. In some embodiments, the method includes: acquiring in real time a current location of a driverless vehicle; finding, on a high precision map, a curvature radius of a turn on a road at the current location; acquiring a distance between a front axle and a rear axle and an axle length of the driverless vehicle in response to finding the curvature radius; determining a rotation angle of a steering wheel of the driverless vehicle based on the curvature radius, the distance between the front axle and rear axle, and the axle length; and controlling the steering wheel of the driverless vehicle to rotate by the rotation angle. This implementation can reduce the number of times the driverless vehicle is steered, thereby improving passenger experience of the driverless vehicle.

Abstract: A computer in a vehicle can determine a first distance from a vehicle to a traffic object and receive, via a network interface, a second distance from a second vehicle to the traffic object and a third distance from the second vehicle to the vehicle. The computer can determine a fourth distance by triangulation based on the second distance and the third distance and pilot the vehicle based on combining the first distance and the fourth distance.

Abstract: Systems and methods for automatically servicing autonomous vehicles are provided. In one example embodiment, a computer implemented method includes obtaining data associated with one or more reference mechanisms located on an autonomous vehicle. The method includes identifying information associated with the autonomous vehicle based at least in part on the data associated with the one or more reference mechanisms located on the autonomous vehicle. The information associated with the autonomous vehicle includes an orientation of the autonomous vehicle. The method includes determining a vehicle maintenance plan for the autonomous vehicle based at least in part on the information associated with the autonomous vehicle. The method includes providing one or more control signals to implement the vehicle maintenance plan for the autonomous vehicle based at least in part on the orientation of the autonomous vehicle.

Abstract: A system is disclosed for autonomously removing waste from a plurality of receptacles at separate locations within a service area. The system may include a service vehicle, and a plurality of transporters. The plurality of transporters may be configured to autonomously move the plurality of receptacles to the service vehicle.

Abstract: The purpose of the present invention is to enable a parallel work by a first work vehicle and a second work vehicle to be achieved while measuring the locations of the work vehicles utilizing cheaper satellite location measurement systems. A first satellite location measurement system is mounted on one of a first work vehicle and a second work vehicle, a second satellite location measurement system, which has lower accuracy than that of the first satellite location measurement system, is mounted on a remote control device to be carried on the other of the work vehicles, the actual locations of the first work vehicle and the second work vehicle are measured by the first satellite location measurement system and the second satellite location measurement system, and the locations of the first work vehicle and the second work vehicle are displayed on a display device in the remote control device.

Abstract: Various embodiments include methods for operating a photovoltaic-powered drone having a photovoltaic surface on one side of at least one of wing or fuselage body of the drone. The method may include determining a flight attitude for the drone based on a first drone attitude for optimizing light energy harvesting by the photovoltaic surface and a second drone attitude for minimizing power expenditure by an onboard propulsion system of the drone to reach a designated destination. The method may include flying the drone in the determined flight attitude while converting light into electricity en route to the designated destination.

Abstract: A method for controlling a drone includes receiving a natural language request for information about a spatial location, parsing the natural language request into data requests, configuring a flight plan and controlling one or more drones to fly over the spatial location to obtain data types based on the data requests, and extracting and analyzing data to answer the request. The method can include extracting data points from the data types, obtaining labels from a user for one or more of the data points, predicting labels for unlabeled data points from a learning algorithm using the labels obtained from the user, determining the predicted labels are true labels for the unlabeled data points and combining the extracted data, the user labeled data points and the true labeled data points to answer the request for information. The learning algorithm may be active learning using a support vector machine.

Abstract: A motor control device may include a position command output means, a first subtraction means that calculates and outputs a position deviation, a position control means, a second subtraction means that calculates and outputs a position deviation, a speed control means that outputs a torque command, a limiter limits the level of the torque command, a motor drive means, and a voltage fluctuation detection means. When the voltage fluctuation detection means detects that the voltage of said power source has dropped below a predetermined reference level, either the position command output means varies the position command so as to reduce the rotational speed of the motor and/or said position control means limits said speed command to be output.

Abstract: A roof 201 has an apex 200. A wind turbine 202 is positioned above the apex 200. Air flows through the gap 204 between the apex 200 and the turbine 202. A flow optimizer 203 diverts a section of airflow close to the apex 200 into the region 205, downstream of the apex. This section of diverted airflow is turned away from the local airflow direction towards the surface of the roof 201, downstream of the apex. This reduces the boundary layer separation and turbulence downstream of the apex 200, which reduces energy loss associated with sub-optimal static pressure recovery downstream of the apex 200, and thus increases the discharge coefficient of the system.

Abstract: A pressure estimator, based on information acquired by an acquirer and model information that includes connection information of nodes in a water distribution pipeline network, estimates water pressure at at least one part of the nodes in the water distribution pipeline network. An extractor extracts a minimum water pressure value from a plurality of water pressures that include the water pressure estimated by the pressure estimator. A controller controls an adjustor to adjust at least one of a water pressure and a flow rate of water flowing into the water distribution pipeline network, based on a minimum water pressure value extracted by the extractor.

Abstract: A method for detecting onset of oscillatory instability in a device is described. The method includes obtaining a symbolic time series of a time series signal corresponding to a dynamic state variable of the device. The method further includes detecting the onset of oscillatory instability in the device based on the symbolic time series.

Abstract: A method for isolating vibrations from a source on a structure includes modeling the structure as a beam having a portion for isolation. A sensor is positioned proximate to the source, and at least one actuator is positioned on the structure between the source and the portion for isolation. A controller receives signals from the sensor and calculates vibrational inputs for each actuator that will isolate the structure portion. Driving signals are provided to each actuator by the controller in response to the calculated vibrational inputs, and each actuator is vibrated accordingly, isolating the structure portion from the source. This method can be implemented in multiple configurations to isolate the structure portion.

Abstract: An air moisture control system for a computer system includes a housing with an air passage and an air moisture control element with an adsorption material, which is exposed in the air passage so as to enable fluid communication towards and from the air moisture control element. The element is designed such that the adsorption material is adapted, in operation, to adsorb moisture from a first air flow flowing into the air passage, having a first temperature and a first relative humidity, and desorb moisture to a second air flow, said air flow having a second temperature at least 5° C. higher than the first temperature and a second humidity at least 3% lower than the first relative humidity.

Abstract: A system and method is used to characterize a user with properties, such as location in relation to established geo-fences, speed of traverse, projected traveling time required for a particular distance, etc. Those properties contribute to yielding a quantitative result in the calculated lead time period prior to the user arriving at a monitored space, including but not limited to a rented room in a hotel, and a house. The method uses the user's arrival time to estimate the setback temperature, which is the indoor temperature of a monitored space maintained during unattended time periods. The method also uses the user's arrival time to estimate the heated water volume to be provided, as well as, to house watch other property management interests.

Abstract: A voltage regulating circuit provides a feedback voltage and an output voltage based on a power voltage. The voltage regulating circuit includes a reference voltage generator and a compensating circuit. The reference voltage generator receives the power voltage, produces the feedback voltage, and includes an impedance having first and second terminals. The second terminal is coupled to a ground voltage and a first current flows through the impedance at the first terminal to produce the feedback voltage. The compensating circuit includes a negative threshold voltage (NVT) transistor having a source terminal, a drain terminal and a gate terminal. The source terminal receives a power voltage, the drain terminal is connected to the gate terminal and coupled to the first terminal of the impedance through a path to add a second current to the first current when the NVT transistor is turned on under an operational condition at the FF corner.

Abstract: A voltage-to-current converter includes an input stage having a first input and a second input. The first input is connectable to a reference voltage, wherein the voltage of the second input is substantially the same as the voltage at the first input. A feedback loop is coupled between the second input and a voltage feedback node. A current feedback node is connectable to a first node of a resistor; the second node of the resistor is connectable to a voltage input, wherein a bias voltage of the current feedback node is set by the voltage of the voltage feedback node. At least one current mirror mirrors the current input to the current feedback node, the output of the at least one current mirror is the output of the voltage-to-current converter.

Abstract: An electronic apparatus comprises several series-connected loads powered by a high voltage power source. To provide voltage regulation for each load, a ladder circuit is described. To automatically balance the voltage at output, one or more voltage-control-oscillators are included.

Abstract: Various implementations disclosed herein include a power distribution system that provides flexible and/or multi-source supply capacity in response to changes in load power demand relative to active power supply capacity, and based at least in part on a performance objective function. In some implementations, a power distribution system includes a plurality of power supplies, and a power control module connected to control the plurality of power supplies. The power supplies are configured to deliver a current to a power supply node, and are also configured to responsively adjust the current in response to a control command. The power control module provides control commands that are produced in response to threshold changes in load power demand relative to active power supply capacity provided by one or more of the plurality of power supplies, and based at least in part on a performance objective function, such as efficiency, redundancy, and demand tracking.

Abstract: An information processing method including: acquiring power information that indicates a power amount supplied by each of a plurality of circuits; outputting a command that causes a change in power consumption for one of the electrical devices; and determining the connection relationship between the one electrical device and the circuit to which the one electrical device is connected, based on the power information acquired, in which, in the determining, when it is determined that the state of the power amounts supplied by the plurality of circuits is a steady state from the power information acquired in the acquiring, the connection relationship is determined by specifying that the circuit corresponding to the power information that includes the change in power consumption corresponding to the command output with respect to the one electrical device in the outputting of the command is the circuit to which the one electrical device is connected.

Abstract: On receiving a request to reduce power consumption such as a request for power conservation, a power control device controls power used in a power consumption system including a plurality of devices so that a user can use enough consumable power while saving power in the most comfortable manner possible. The plurality of devices is classified into controllable devices and control-difficult devices. An information acquisition unit acquires amounts of power used by the controllable devices and an amount of most recently measured power of the entire power consumption system. When an amount of an upper limit power is set for the entire power consumption system, a demand control unit controls the amounts of power used by the controllable devices based on evaluation functions set for the respective controllable devices and differential equations set for the respective controllable devices.

Abstract: The invention relates to a power distribution system (1), especially a Power-over-Ethernet system, comprising at least one dominant sensor, which may be located within a powered device (4) like a lighting device, and at least one non-dominant sensor, which may be located within another powered device (4), wherein the power distribution system is adapted such that in a system low power mode the at least one dominant sensor (6) consumes power provided by a power providing unit (3) and the at least one non-dominant sensor (6) does not consume the provided power and that the power distribution system (1) switches from the system low powermode to a system high power mode, if the at least one dominant sensor (6) has sensed an event. Since in the system low power mode the at least one non-dominant sensor does not consume power, the power consumption can be reduced.

Abstract: An operation mode determination circuit for sensing a setting resistance between a setting node and a reference voltage or a ground to determine an operation mode, comprises: a pull-up power circuit, for generating a pull-up power onto the setting node, and a floating detection circuit. The pull-up power circuit adjusts the pull-up power at a first power level, and triggers an low power detach detection procedure after a predetermined first time period, wherein the pull-up power is adjusted at a second power level which is less than the first power level to an extent that an electrolysis effect is negligible when an electrolytic substance exists and is coupled to the setting node. The floating detection circuit triggers the operation mode detection procedure when the voltage on the setting node is higher than a first voltage threshold in the low power detach detection procedure.

Abstract: An electronic current mirror circuit particularly suitable for use in radio frequency (RF) and microwave power amplifiers. The electronic circuit includes a first current mirror circuit and a second current mirror circuit. The first current mirror circuit includes a first input circuit path and a first output circuit path, the first input circuit path is operated at a first supply voltage and the first output circuit path is operated at a second supply voltage. The second current mirror circuit includes a second input circuit path and a second output circuit path, the second input circuit path is operated at the second supply voltage, and the second output circuit path is connected to the first input circuit path so that variations in a current through the first output circuit path are compensated by a current in the second output circuit path.

Abstract: A start-up circuit arranged to initialize a circuit portion with a zero stable point and a non-zero stable point. The start-up circuit includes: a capacitive voltage divider including a first capacitor and a second capacitor that generate a divider bias voltage at a divider node; a differential amplifier including first and second amplifier inputs and an amplifier output connected to the divider node; a first driver transistor with its gate terminal connected to the divider node, and its drain terminal connected to a first start-up output and the first amplifier input; and a second driver transistor with its gate terminal connected to the divider node, and its drain terminal connected to a second start-up output and the second amplifier input. The differential amplifier controls the divider bias voltage and drives the circuit portion to the non-zero stable point.

Abstract: A remote operation device includes a first operation acceptance portion having a rotary dial, a second operation acceptance portion provided along an outer periphery of the rotary dial and allowed to rotate separately from the rotary dial, and a control portion. When a relative position of a user's hand with respect to the first operation acceptance portion is at a covered position, the control portion switches the first operation acceptance portion and the second operation acceptance portion to a locked state and accepts an operation on the first operation acceptance portion. When the relative position of the user's hand with respect to the first operation acceptance portion is at an uncovered position, the control portion switches the first operation acceptance portion and the second operation acceptance portion to an unlocked state and accepts an operation on the second acceptance portion.

Abstract: Under one aspect, a method for performing a linear algebra operation includes imposing matrix elements onto a chirped optical carrier; inputting into a multi-mode optic the matrix elements imposed on the chirped optical carrier; outputting by the multi-mode optic a speckle pattern based on the matrix elements imposed on the optical carrier; and performing a linear algebra operation on the matrix elements based on the speckle pattern. The matrix elements can be from matrix A and a vector b, and the multi-mode optic can optically transform each of matrix A and vector b by a speckle transformation S, so as to output a speckle pattern including elements of a matrix SA of dimension p,n and matrix elements of a vector Sb of dimension p. The linear algebra operation can include generating {tilde over (x)}=(SA)†Sb, wherein † indicates a pseudo-inverse operation.

Abstract: Aspects of the disclosure include a data storage controller that includes a main circuit, a synchronization circuit, and a detection circuit. The main circuit is configured to receive a test signal, generate a data signal based on the test signal, and generate a compensation signal based on the test signal and a phase shift selected from N predetermined phase shifts. N may be an integer greater than one. The synchronization circuit is configured to receive the data signal and the data compensation signal, and generate a delayed data signal and a latched compensation signal in response to the data signal. The detection circuit is configured to determine whether rising and falling edges of the latched compensation signal and corresponding rising and falling edges of the delayed data signal are synchronized.

Abstract: A display device is disclosed. The display device comprising: a display unit including a display panel providing an image; a housing being apart from the display unit and including an electrical unit; and a cable electrically connected with the display panel and the electrical unit, wherein the electrical unit provides the display panel with a signal and/or power.

Abstract: The invention concerns a portable computing device comprising a microprocessor capable of running software, hardware means capable of providing at least one physical variable, a memory unit carrying the software adapted to read the physical variable and to perform a mathematical operation utilizing the physical variable. An interface means adapted to allow defining of the mathematical operation in the memory unit by a user of the device. The invention also concerns a firmware product of a microcontroller-operated device, a computer program product and a web service.

Abstract: A system includes a first device configured to cause a virtual reality image to be output by a display. The system also includes a second device communicatively coupled with the first device. The second device is configured to detect a user input associated with an action capable of being displayed in the virtual reality image. The second device is also configured to cause the first device to cause an object to be displayed in the virtual reality image based on the user input. The object at least partially includes a graphic representative of one or more of the second device, a user movement with respect to the second device, or the user input.

Abstract: An improved docking station is described herein. The docking station can comprise a first device holder, a base, a plurality of orifices, and a resealable covering. The first device holder can have a slot insertable by a mobile device. The first device holder can comprise a first display opening that can be placed within the front surface of the first device holder. The base can have a chamber that can comprise a USB (Universal Serial bus) hub. The bottom edge of the first device holder can be slantedly attached to the front edge of the base such that the first device holder and the base attached together can form a v-shaped structure. The slot can be accessible through the base. The plurality of orifices can be placed within the outer surface of the docking station. The resealable covering can be capable of closing the inner surface.

Abstract: A motion control assembly includes a motion control device electrically connected to a battery pack and to a mobile computing device for at least data transmission therebetween. The motion control device can generate inputs, such as inputs corresponding to an attribute of a sensed object, for transmission to the mobile computing device. The drain on a battery of a battery-powered mobile computing device can be reduced when used with a motion control device as follows. A motion control assembly, comprising a motion control device and a battery pack, capable of powering the motion control device, as an integral, one-piece unit, is selected. The motion control device is connected to an electrical connector of a battery-powered mobile computing device. The motion control device is supplied with power from the battery pack during use so the motion control device can be operated using the power from the battery pack.

Abstract: This application relates to devices and accessories that include or are configured to react with a mixture of electromagnets and permanent magnets. In particular the permanent magnets are configured to maintain persistent connections between components while the electromagnets are configured to pulse or activate periodically to maintain the connections or fix alignment of the various connections in certain circumstances.

Abstract: A multi-faced display device includes a first display panel and a second display panel, each of which is curved to form an L-shaped structure. The first display panel is encapsulated with the second display panel such that the first display panel and the second display panel together form a closed structure.

Abstract: A flexible display device includes a display panel including a main display area including a plurality of main pixel rows, and a sub display area at a side of the main display area and including a plurality of sub pixel rows, a scan driving circuit configured to provide scan signals to the main pixel rows via a plurality of main scan lines, and provide the scan signals to the sub pixel rows via a plurality of sub scan lines, a data driving circuit configured to provide data signals to a plurality of pixels respectively located in the main pixel rows and the sub pixel rows, and a timing controller configured to control the scan driving circuit and the data driving circuit, wherein a number of the sub pixel rows is less than a number of the main pixel rows.

Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being rollable and unrollable based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a direction from a first side of the rollable structure to a second side of the rollable structure, the first side of the rollable structure being opposite to the second side of the rollable structure, and wherein each of the unit structures includes a metal plate, the metal plate being bent by a bending limit angle in a direction in which the rollable structure is rolled, and a magnetic object on a side region of the metal plate, the magnetic object being magnetically coupled to an adjacent metal plate.

Abstract: An electronic device includes a first unit (100) and a second unit detachable from each other. The second unit includes an input unit, a socket, and a hinge. The socket has a first wall and a second wall. In the first wall and the second wall, a length (L1) of a portion to support both ends of the longitudinal side of the first unit is greater than a length (L2) of a portion to support the region other than both ends of the longitudinal side of the first unit. The lengths (L1) and (L2) are perpendicular to the longitudinal side of the first unit. The portion to support the region other than both ends of the longitudinal side of the first unit has a linear opening-side end parallel to the longitudinal side of the first unit when the first and second walls are seen vertically.

Abstract: A head mounted display device is provided. A head mounted display device includes a main frame including surface formed to face a facial side of a user and an opposite surface on which an external electronic device is mounted; a connecting device connected to the main frame; and a support part connected to the connecting device that fixes the head mounted display device to the facial side of the user. At least a portion of a surface of the connecting device, which is connected to the support part, forms an angle with a direction in which the main frame faces the facial side of the user.

Abstract: Embodiments of the present invention are directed to systems, apparatuses and methods for using a first device with an accelerometer to transfer data by making contact with a second device with an accelerometer, thereby generating interaction data that is representative of the physical contact between the mobile device and the second device. The first device may be a mobile phone. The second device may be a mobile phone or a stationary kiosk or terminal. A first device with an accelerometer physically contacts the second device. Each of the first and second devices generate interaction data (e.g., accelerometer, location, time data, etc.) representative of the physical interaction between the first and second device. A server computer determines, based on interaction data, that the first device and the second device physically contact each other. After determining that the mobile device and the second device made contact, communications may be initiated between the devices.

Abstract: An electronic apparatus and a display control method are described. The display control method includes determining whether the external input device is connected with the electronic apparatus; controlling the display component to display the graphic user interactive interface with a first display mode in a state where the external input device is not connected with the electronic apparatus; and controlling the display component to display the graphic user interactive interface with a second display mode in a state where the external input device is connected with the electronic apparatus, wherein layout of operable objects in the graphic user interactive interface displayed with the first display mode and layout of operable objects in the graphic user interactive interface displayed with the second display mode are different.

Abstract: An apparatus includes a cassette. The cassette includes a carriage. The carriage is retained internally to the cassette. The apparatus further includes a booklet assembly. The booklet assembly includes a cable connector. The cable connector is affixed internally to the booklet assembly. The cassette is configured for insertion into the booklet assembly. The apparatus further includes a cable assembly. The cable assembly is configured for insertion into the cable connector. The carriage is configured for retaining the cable assembly. In an aspect, a method of using the apparatus includes preloading the cable assembly into the carriage, inserting the cassette into the booklet assembly, and configuring the carriage such that the cable assembly is inserted into the cable connector and retained in an inserted position by the carriage.

Abstract: An assembly for a computer system includes a computer chassis having a back panel with a connector panel; a cable covering unit fixable in a mounting position to the back panel that prevents connected plug connectors from being unplugged from the connector panel in the mounting position; wherein the cable covering unit and the computer chassis are arranged such that the cable covering unit can be placed on the computer chassis in an articulated manner to be fixed thereto and subsequently pivoted toward the back panel into the mounting position.

Abstract: A chassis includes a midplane defining a plurality of expansion sockets on one side and one or more motherboard sockets on the other. A modular motherboard is removably inserted in the chassis and engages the one or more motherboard sockets. An expansion card may engage with one or more of the motherboard sockets simultaneously. The expansion sockets are arranged in a coplanar and collinear manner to enable a planar expansion card to simultaneously insert within multiple expansion sockets. The motherboard allocates lanes to the expansion card in response to detecting a number of sockets occupied by the expansion card.

Abstract: A fixing mechanism and a computer chassis are provided. The fixing mechanism includes a main member and a first locking member. The first locking member includes a fixing portion, a support portion and a stop portion. The fixing portion includes a first part and a second part, and two ends of the first part are respectively connected to the main member and the second part. The support portion is connected to the fix portion, and the second part and the support portion are respectively located on two opposite surfaces of the first part. The stop portion is connected to the support portion, and located on a bottom surface of the support portion. An electronic device is assembled in the main member, and the first locking member is locked to a circuit board of a computer chassis to fix the fixing mechanism in a casing of the computer chassis.

Abstract: A processor can be damaged by a heat sink. If the heat sink is improperly installed, the heat sink may damage the processor and/or the motherboard. Sequential tightening of mechanical fasteners is thus recommended, but the sequential tightening is challenging to implement. Sequential tightening of fasteners helps reduce damage to a processor. When a heat sink is fastened over the processor to a motherboard, mechanical fasteners are tightened in a sequence to reduce damage to the processor. To ensure sequential tightening of the mechanical fasteners, the heat sink is first secured with only two of the mechanical fasteners preinstalled in two of four holes in the heat sink and sequentially tightened into a bolster plate on a bottom side of the motherboard. A cover is then installed over the heat sink, and the cover has two mechanical fasteners that align with a remaining two of the four holes in the heat sink. A remaining two of the mechanical fasteners may then be sequentially tightened into the bolster plate.

Abstract: A hardware shield device and an electronic device are provided. The device and electronic device include a shield can including an opening through which at least a part of a device element is exposed, a heat dissipation module including at least a part that is mounted on the opening, a cover member connected to one surface of the heat dissipation module, and a conductor arranged between the shield can and the cover member, the conductor surrounding both the opening and at least a part of a periphery of the heat dissipation module.

Abstract: A portable electronic device including a shell, a cover plate, a battery module, a heat generating element and a heat pipe. The shell includes an arc-shaped surface. The cover plate and the shell jointly define an accommodating space. The battery module is disposed in the accommodating space, and the battery module and the arc-shaped surface have a gap therebetween. The heat generating element is disposed in the accommodating space. The heat pipe is disposed in the gap and thermally coupled to the heat generating element. Moreover, the battery module also includes a stepped groove, and the heat pipe is disposed in the stepped groove.

Abstract: A portable electronic device using a fixed main heat-dissipating module and a detachable auxiliary heat-dissipating module for contacting the fixed main heat-dissipating module. The detachable auxiliary heat-dissipating module includes an outer casing structure and an inside mounted heat-dissipating structure. The outer casing structure includes a detachable casing detachably disposed inside a predetermined receiving groove of the portable electronic device and an electrical connector electrically connected to the portable electronic device. The inside mounted heat-dissipating structure is disposed inside the detachable casing. The inside mounted heat-dissipating structure includes an inside mounted heat-dissipating fan, a plurality of inside mounted heat-dissipating fins, a pump, and a circulation pipe.