Abstract: A drum unit usable in the process cartridge includes a photosensitive drum having an axis L1, a drum flange provided at an end of the photosensitive drum, with a part of the drum flange being positioned within the photosensitive drum, and a coupling member having an axis L2. The coupling member includes (i) a first end portion at least a part of which is positioned within the drum flange, and (ii) a second end portion including (ii-i) a surface recessed in the second end portion and facing away from the first end portion and (ii-ii) at least one projection projecting from a surface adjacent to the recessed surface, and (iii) a connecting portion connecting the first end portion and the second end portion.

Abstract: A driving assembly is provided for a processing cartridge capable of being detachably installed in an electronic imaging device. The driving assembly includes a power receiving unit and a power transfer unit. The power receiving unit is configured for receiving a rotational driving force from a driving mechanism of the electronic imaging device; and the power transfer unit is coupled to the power receiving unit for receiving the rotational driving force from the power receiving unit. The power receiving unit remains constantly inclined with respect to a rotation axis of the power transfer unit, and has an initial position and a displaced position; the power receiving unit moves from the initial position to the displaced position when an external force is applied; and the receiving unit returns to the initial position from the displaced position when the external force is withdrawn.

Abstract: Systems, devices and methods are described including providing infrared (IR) laser radiation to a Digital Micromirror Device (DMD) array and using the DMD array to spatially modulate the IR laser radiation. The spatially modulated IR laser radiation may then be projected to form a voxel array where each voxel of the array represents to a volume of air wherein the IR laser radiation has been focused sufficiently to cause air to ionize. The voxel array may then be spatially rotated.

Abstract: A mechanical timer for setting a snooze time for an alarm mechanism controlling a mechanical actuator cooperating with a striking mechanism controlled by a timepiece movement, including a first control able to be actuated at a first moment by a user during the playing of an alarm chime to disengage the actuator and momentarily stop the chime, and including a timer arranged to automatically cause the alarm chime to play again at a second moment, after a predefined duration from the first moment, this timer including a second control able to be actuated by a user to set this predefined duration, and a release cam indirectly controlled by the first control and arranged to control the pivoting of a hammer lever, which, depending on its angular position, releases or locks the actuator to allow or respectively prevent the playing of an alarm chime.

Abstract: An electronic device includes a solar panel including a solar cell, the solar cell including a plurality of light receiving regions and a connecting region, the connecting region having a width narrower than widths of the plurality of light receiving regions and connecting the plurality of light receiving regions, wherein a conductive reinforcing material made of a conductive material is provided in the connecting region and is electrically connected to the plurality of light receiving regions.

Abstract: A safety shut-off system and method are provided for eliminating power to a load in the event of smoke detection. The system may comprise a device located at the appliance for detecting a signal from a smoke detector, and cutting power to the appliance only when the appliance is in use. The device may be synchronized with any standard smoke alarm signal to reduce the number of false positive shut-offs. The system may also comprise a smoke alarm hard-wired to a circuit breaker, for shutting off power to all appliances on a particular breaker upon receipt of a signal from the smoke alarm, and only when the appliances on the breaker are in use. The system may also have the ability to shut off one breaker, multiple breakers, or all breakers at different time increments to actively prevent and reduce the damages caused by fires.

Abstract: A servomotor control device includes a servomotor control circuit for controlling an inverter such that an alternating current is supplied to a servomotor when receiving a safety signal, and for controlling the inverter such that the alternating current is not supplied to the servomotor when not receiving the safety signal, and a servomotor monitoring circuit for stopping the servomotor by stopping transmission of the safety signal to the servomotor control circuit when determining to stop the servomotor, and for stopping the servomotor by disconnecting supply of a direct current to the inverter with a power source disconnect circuit and stopping the transmission of the safety signal to the servomotor control circuit when determining that at least one of the power source disconnect circuit, the safety signal, and the servomotor control circuit is not normal.

Abstract: Methods for manufacturing automation and a computer executed automated handling system for forming a device are presented. The method includes issuing a transfer request by a tool. The transfer request is processed by a production control system configured for tracking and controlling the flow of carriers. The processing of the transfer request includes selecting a carrier containing production material. A transport system having transport and load/unload (U/L) units in a production area to effect a transfer is controlled and the carrier is transferred by the transport system.

Abstract: A signal processor receives signaling containing information about flow rates from sensorless converters in zone circulators in heating/cooling zones controlled by temperature sensors in a hydronic heating system in order to derive an adaptive pressure set point to meet the flow rates requested by the heating/cooling zones using an adaptive system and flow control curve equation, the signaling containing information about total flow rates requested by the zone circulators; determines desired pump speeds for the zone circulators to meet temperature requirements in heat zones; provides corresponding signaling containing information about the desired pump speeds; and/or determines the adaptive pump control curve equation based upon an adaptive system curve and as a moving maximum system flow rate depending on an adaptive pressure set point, a system flow rate requested by temperature loads, a minimum pressure at no flow, a control curve setting parameter, and an adaptive moving maximum flow and pressure.

Abstract: There is provided an information processing apparatus including a control section which performs control of selecting, based on a state of a user, an ecological action capable of being carried out by the user from among a plurality of ecological actions, and of presenting the selected ecological action to the user.

Abstract: An energy control system (1) includes a photovoltaic power generation unit (10) that is connected to the grid and generates power using sunlight, a gas power generation unit (20) that generates power using gas, and a control unit (40) that performs control to supply a load by prioritizing the power generated by the gas power generation unit (20) when sale of the power generated by the photovoltaic power generation unit (10) to the grid is possible and to supply the load by prioritizing the power generated by the photovoltaic power generation unit (10) when the sale is not possible.

Abstract: A method for controlling intelligent household appliances, comprising: acquiring an appliance control signal set and an initialization feedback signal set corresponding to the control signal set, and sending a control signal; receiving the control signal, sending the control signal to the household appliance to instruct the household appliance to perform an operation represented by the control signal; acquiring state information and a feedback signal of the household appliance; and calculating a variation amount of the state information, and judging a matching rate between the feedback signal and the initialization feedback signal The present invention also provides an intelligent socket, which can allow a terminal to obtain an actual control result after a control instruction being sent An intelligent socket based on a high power infrared emitting tube, wherein the high power infrared emitting tube is provided in a limiting hole for infrared emission in a direction away from a panel.

Abstract: A sequence-program design support device includes a display unit displaying a work screen corresponding to a designing work, an input unit receiving a setting operation of work phases, a zoom-in operation, and a zoom-out operation, a state storage unit storing the work phases and a current work, a work-model storage unit storing a partial order relation of a work specified for each of the work phases with a work screen corresponding to the work, and a control unit displaying a work screen corresponding to a next work of the current work in the order relation and storing the next work when the input unit receives the zoom-in operation with a first operation amount, and displaying a work screen corresponding to a previous work of the current work in the order relation and storing the previous work when the input unit receives the zoom-out operation with a second operation amount.

Abstract: A signal processing apparatus includes an interface module and a signal processing module. The interface module includes an identification resistance for identifying the interface module, the interface module being connectable to a device configured to perform at least one of measuring of a measuring target and operating of an operation target. The signal processing module includes a first connection terminal connected to one end of the identification resistance, a first power source connected to the identification resistance via the first connection terminal, a detector configured to detect any one of voltage and electrical current at the first connection terminal, and a signal processor configured to process signals received from and transmitted to the device.

Abstract: A single-wire safety system is provided that yields reliable safety device monitoring without the need for dual redundant signal channels. The safety system comprises a safety relay acting as a communications master device and one or more safety devices connected in series with the safety relay via a single-wire communication circuit. A smart tap device is used to interface safety devices that are not compliant with the single-wire protocol to the single-wire channel. The safety device or smart tap device farthest from the safety relay on the safety circuit modulates a safety signal with a recognizable pulse pattern that traverses the single-wire safety circuit to the safety relay via the intermediate safety devices or smart taps. The safety relay maintains safety mode as long as the pulse pattern is received and recognized. The architecture allows bi-directional communication of initialization, configuration, and diagnostic messages over the single-wire safety channel.

Abstract: Included are an NC command input unit that receives an NC command serving as an NC command that enables processing independent of NC machining and that is independent of a model of an NC machine tool and an NC command; a machine information storage unit; a tool information storage unit; a command analysis unit that determines whether an NC command input to the NC command input unit is the NC command; a command creation unit that, creates a designated operation program that enables the NC machine tool to perform a series of operations corresponding to the NC command on the basis of the NC command, the model information, and the tool information; and a CNC control unit that controls the NC machine tool.

Abstract: A method performed by one or more processing devices for ensuring that a vehicle seat top is qualified for use with a seat base for a vehicle seat, the method comprising: receiving information that identifies a type of vehicle seat top for coupling to the seat base; verifying that the vehicle seat top is authorized for use with the seat base; and in response to verifying, retrieving, based on the received information that identifies the type of vehicle seat top, pre-determined values of controller parameters of a closed loop control system for isolating vibrations from the vehicle seat top, wherein the predetermined values of the controller parameters are specifically tuned for the vehicle seat top.

Abstract: A field programmable gate array (FPGA) in a machine health monitoring (MHM) module includes interface circuitry, vibration data processing circuitry, and tachometer data processing circuitry. The interface circuitry de-multiplexes a synchronous serial data stream comprising multiple multiplexed data channels, each containing machine vibration data or tachometer data, into separate input data streams. The vibration data processing circuitry comprises parallel processing channels for the separate input data streams containing vibration data, each channel including a highpass filter, two stages of integration circuits, a digital tracking bandpass filter, and multiple parallel scalar calculation channels. The tachometer data processing circuitry processes the tachometer data to generate RPM and other values. A cross-point switch in the FPGA distributes tachometer signals between MHM modules in a distributed control system, thereby allowing multiple modules to share tachometer information.

Abstract: The systems and methods described herein include an approach to performing quality assessment for 3-D printed objects during the printing process, for collecting data regarding 3-D printed objects, and for capturing data to make a digital model of an object. This approach uses sensor data (e.g., digital imagery) to characterize printing progress or to detect 3-D printing defects that would otherwise result in printing incomplete objects, such as premature printing job termination, dry printing, over/under application, movement of the filament, and other defects. Sensor data capturing can also be used as part of a destructive scanning process to perform post-printing object assessment or to collect data on a real-world object to facilitate creation of a digital model. These systems and methods may leverage the discrete nature of a pixel provided through digital imagery to be assessed with limited computational resources in a non-recursive manner.

Abstract: A controller has a varying speed signal generation unit generating a varying speed command signal varying at predetermined amplitude and period, a current control unit generating a current command signal based on the varying speed command signal, a feedback control unit generating a correction signal based on a deviation between the varying speed command signal and a present rotational speed of the spindle motor and adding the correction signal to the current command signal, and a learning control unit calculating a disturbance component caused by cutting resistance based on the deviation every predetermined rotation angle of the spindle motor and, in synchronism with a rotation angle of the spindle motor corresponding to the varying speed command signal input into the current control unit, generating a compensation signal based on the disturbance component corresponding to the rotation angle and adding the compensation signal to the varying speed command signal.

Abstract: The present invention provides systems, methods, and devices related to target tracking by UAVs. The UAV may be configured to receive target information from a control terminal related to a target to be tracked by an imaging device coupled to the UAV. The target information may be used by the UAV to automatically track the target so as to maintain predetermined position and/or size of the target within one or more images captured by the imaging device. The control terminal may be configured to display images from the imaging device as well as allowing user input related to the target information.

Abstract: A vehicle control system includes: an outside-of-vehicle operation device configured to cause a vehicle to travel operated by an operator from outside of the vehicle, inside of a compartment of the vehicle being isolated from the outside of the vehicle by a vehicle body; an assist instruction device configured to cause the operator to select a travel mode in which the vehicle is allowed to travel by an operation of the outside-of-vehicle operation device; a parking brake operation detector configured to detect an operation of a parking brake; and a warning device configured to issue warning in a compartment to stimulate sense of hearing or sense of sight at the time the travel mode is selected and the operation of the parking brake is detected.

Abstract: A method for making the remotely operated control of a movement of a motor vehicle secure using a mobile terminal. The method includes the follow steps: triggering the remotely operated control of a movement of the motor vehicle by a user using the mobile terminal, verifying that the user is within sight of the motor vehicle by means of the mobile terminal, if the verification is positive and shows that the user is in sight of the motor vehicle, said remotely operated control of a movement of the motor vehicle is performed, and if not said control is inhibited.

Abstract: An aircraft includes a wing. The wing includes an aileron pivotally connected to a trailing edge of the wing, and a Lam aileron pivotally connected to the trailing edge of the wing. The aircraft includes a motor connected to the Lam aileron and configured to rotate the Lam aileron. The aircraft includes a controller configured to detect a deflection of the aileron from a neutral position, calculate a target deflection for the Lam aileron using the deflection of the aileron, and cause the motor to rotate the Lam aileron to the target deflection.

Abstract: An autonomous traveling vehicle is controlled to faithfully reproduce a planned traveling route and to autonomously travel. The autonomous traveling vehicle includes a platform, a traveling unit, a teaching unit, a curvature calculation unit, and a control parameter adjustment unit. The traveling unit is mounted on the platform and controls the platform to travel. In a teaching travel mode, the teaching unit acquires subgoal points. The teaching unit stores planned traveling route data as an aggregate of the subgoal points. The curvature calculation unit calculates and stores a key curvature radius. In a reproduction travel mode, the control parameter adjustment unit adjusts a control parameter to determine an direction angle feedback control amount of the traveling unit based on the key curvature radius calculated by the curvature calculation unit.

Abstract: An autonomous travel vehicle includes a traveler, a storage, an elapsed autonomous travel time counter, and a reproduction travel command calculator. The traveler travels according to a travel control command. The storage stores travel route data in which subgoal points and arrival times are associated with each other. In a reproduction travel mode, the elapsed autonomous travel time counter counts the elapsed autonomous travel time while adjusting progress of the elapsed autonomous travel time. In the reproduction travel mode, the reproduction travel command calculator calculates a reproduction travel control command at the elapsed autonomous travel time as the travel control command based on a subgoal point stored in the travel route data in association with an arrival time immediately after an arrival time corresponding to the elapsed autonomous travel time.

Abstract: Disclosed herein are an obstacle sensing module and a cleaning robot including the same. The cleaning robot includes a body, a driver to drive the body, an obstacle sensing module to sense an obstacle present around the body, and a control unit to control the driver, based on sensed results of the obstacle sensing module. The obstacle sensing module includes at least one light emitter including a light source, and a wide-angle lens to refract or reflect light from the light source so as to diffuse the incident light in the form of planar light, and a light receiver including a reflection mirror to again reflect reflection light reflected by the obstacle so as to generate reflection light, an optical lens spaced from the reflection mirror by a predetermined distance, to allow the reflection light to pass through the optical lens, and an image sensor, and an image processing circuit.

Abstract: A flight monitoring system comprises a first set of flight-status detecting sensors comprising a first-type sensor A1 for providing a first-type measurement result and a second-type sensor A2 for providing a second-type measurement result; a second set of flight-status detecting sensors comprising a first-type sensor B1 for providing a first-type measurement result and a second-type sensor B2 for providing a second-type measurement result.

Abstract: A preexisting FMS system may be upgraded to increase its functionality by optimizing the control of autopilot and auto-throttle functions and replacing other preexisting components with different components for enhancing the functionality of the FMS system. The preexisting IRU, CADC, DME receiver and DFGC in the upgraded FMS system are in communication with the legacy AFMC but, instead of employing the legacy EFIS, the EFIS is replaced by a data concentrator unit as well as the display control panel and integrated flat panel display, and a GPS receiver. The upgraded FMS system is capable of iteratively controlling the autopilot and auto-throttle during all phases of flight and of such increased functionality as increased navigation database storage capacity, RNP, VNAV, LPV and RNAV capability utilizing a GPS based navigation solution, and RTA capability, while still enabling the legacy AFMC to exploit its aircraft performance capabilities throughout the flight.

Abstract: In embodiments of electronic compensated pivot control, a computing device includes a device housing that is integrated with a display device, and the device housing tilts for multiple display positions. Pivotable components pivot in coordination to position the display device in a display position, and sensors detect positioning inputs that are received to re-position the display device. Actuators are implemented for electronic actuation to drive the pivotable components to position the display device, and clutches are implemented to limit movement of the pivotable components. A pivot controller is implemented to receive input data corresponding to a user input to change a position of the display device, control the actuators based on the input data to assist with positioning the display device, receive an indication that the user input has stopped, and control the one or more clutches to hold the position of the display device.

Abstract: Systems and methods for automatically regulating the flow of fumes suctioned through a welding fume gun are provided. In certain embodiments, an automatic flow control assembly includes a vacuum system configured to suction a vacuum fume flow through an internal passage of a welding fume gun. The automatic flow control assembly also includes a sensor configured to measure a parameter related to the vacuum fume flow. The automatic flow control assembly further includes a flow regulation device configured to regulate an ambient air flow introduced into the vacuum fume flow. In addition, the automatic flow control assembly includes control circuitry configured to control the flow regulation device based at least in part on the measured parameter related to the vacuum fume flow.

Abstract: A fuel valve for regulating a flow of fuel to a combustion appliance includes a control module configured to determine fuel consumption based on a measure related to fuel flow through the fuel valve. The measure related to fuel flow through the valve may be determined using a known relationship between firing rate and the flow rate of fuel through the valve. Measurement accuracy may be enhanced by correcting for the excess air ration (also referred to as lamda).

Abstract: A pressure reducing valve has a seal member, which is mounted on a side wall of a piston. The seal member is arranged between a first ring and a second ring. Consequently, depending on the direction of displacement of the piston, the first ring or the second ring is positioned on one of a displacement direction upstream side or a displacement direction downstream side of the seal member. The first ring and the second ring are made of a resin material, for example a polytetrafluoroethylene resin or a polyetheretherketone resin, having lower coefficient of friction compared with that of the seal member.

Abstract: There is provided a functional element capable of preventing an oblique vibration due to a vibration leakage phenomenon from propagating to degrade the detection accuracy. A gyro element as the functional element includes a support body, a detection section, a drive coupling section having a first part and a second part, and a mass section connected to the drive coupling section, and connected to the support body via the drive coupling section, and the mass section performs the drive vibration in a direction along a third axis parallel to a normal line of a plane including the first axis and the second axis perpendicular to each other.

Abstract: A thermostat may include one or more temperature sensors, a processor configured to operate in a sleep mode and a wake mode, and a Wi-Fi chip that wirelessly communicates with a thermostat management server. The Wi-Fi chip may be configured to receive data packets from the thermostat management server while the processor operates in the sleep mode, and determine a priority level of the received data packets. The priority level may include a standard priority level and a keep-alive priority level. The Wi-Fi chip may also be configured to filter the received data packets based on the determined priority level of each packet such that the keep-alive priority level packets are discarded, and forward the standard priority level packets to the processor.

Abstract: A method for controlling and adjusting fans of the electronic apparatus is disclosed and comprises following steps: controlling a fan to operate according to a default value after an electronic apparatus is booted; obtaining operating watt value of a CPU after detecting that the temperature of the CPU reaches a set-point; inquiring one of a learning table and a pre-established neural-network data array for obtaining a PWM value and P,I,D parameters corresponding to the operating watt value; performing an error adjustment process to the obtained PWM value through a PID controller; controlling the operation of the fan according to the adjusted PWM value; storing the adjusted PWM value to the learning table if the temperature of the CPU equals the set-point; and, continuing to obtain, adjust and store the PWM value to continuously control the operation of the fan before the electronic apparatus is powered off.

Abstract: A voltage supply regulator includes a first output resistor including a first terminal coupled to an output voltage of the voltage supply regulator and a second terminal; a first comparator including a first input coupled to a reference voltage, a second input coupled to the second terminal of the first output resistor, and an output coupled to a base of a first regulator transistor; a current mirror coupled to a collector of the first regulator transistor; and an slew rate detector coupled to the current mirror that includes a first terminal coupled to control electrodes of first and second transistors in the current mirror, and a detection bipolar junction transistor having a collector coupled to the control electrodes of the first and second transistors in the current mirror, and a base coupled to a second terminal of the capacitor.

Abstract: Disclosed are a temperature compensation apparatus and method. The apparatus includes a reference signal generator that supplies at least one of a first current which is constant regardless of temperature variation and a second current which is proportional to temperature variation, a slope amplifier that determines a first output current having a second temperature coefficient which is a multiple of a first temperature coefficient of the second current, based on the first current and the second current, and a slope controller that determines a second output current having a third temperature coefficient, using a weighted average of the first current and the second current.

Abstract: [Problem] To provide a hollow operating lever that is easily manufactured with good operability. [Solution] A hollow operating lever (4), which is formed in such a manner that end portions (W1 and W2) of a flat plate-shaped workpiece (W) are joined to each other at a joint (31) and thus is rotatably provided with respect to a support shaft (3), is characterized by including: a first wall (10) that is an operation surface side on which rotational force (F) acts to rotate; a pair of second walls (20) that are provided with coaxial holes (21) through which the support shaft is inserted, and are bent continuously to both ends of the first wall; and a third wall (30) that is provided to face the first wall (10) and is configured to connect the pair of second walls to each other through the joint.

Abstract: A pedal-side rotating member is composed of a boss portion rotatably supported by a pedal shaft, a spring holding portion for holding one end of a return spring, a stopper arm being operatively in contact with an inner wall surface of a supporting body, and a mechanically-weaker portion, wherein the boss portion, the spring holding portion, the stopper arm and the mechanically-weaker portion are integrally formed as one unit. The spring holding portion is so configured as to be broken away from the boss portion at the mechanically-weaker portion, if an acting force larger than a predetermined value is applied to the stopper arm when the rotating member is rotated in a direction to an acceleration fully-closed position. A broken piece is held at a position inside of the supporting body, so that rotation of the boss portion is not adversely affected by the broken piece.

Abstract: An integrated circuit including a universal monitor system includes a detector circuit. The detector circuit includes a start trigger circuit receiving first signals, an end trigger circuit receiving second signals, and a latency circuit coupled to outputs of the start and end trigger circuits. The start trigger circuit detects a start event from the first signals. The end trigger circuit detects an end event from the second signals. The detector circuit further includes: a data trigger circuit receiving third signals and detecting transferred data therefrom; a first counter circuit coupled to the latency circuit and calculating a total latency; a second counter circuit coupled to at least one of the start trigger circuit and counting start events, or the end trigger circuit and counting end events; and a third counter circuit coupled to an output of the data trigger circuit and counting a total amount of data transferred.

Abstract: An electronic device having a display including a curved display panel, a curved body, the curved body having an input unit at curved surface of the curved body, the curved surface of the curved body corresponding to a curvature of the curved display panel and a hinge connecting the display to the curved body is provided.

Abstract: Disclosed in various examples of the present invention is a configuration in which a hinge part of a portable device can be disposed so as to be hidden. The disclosed portable device comprises: a base part; a display part; and the hinge part, which provides a hinge axis by rotatably connecting the display part to the base part and is separated from the display unit so as to be disposed to be hidden by moving into the inside of the base part.

Abstract: Improved housings for electronic devices are disclosed. In one embodiment, an electronic device housing can have one or more outer members (e.g., exposed major surfaces), such as front or back surfaces, that are formed of glass. The one or more glass surfaces can be part of outer member assemblies that can be secured to other portions of the electronic device housing. In other embodiments, apparatus, systems and methods for robustly attaching a cover portion of an electronic device to a bottom portion, e.g., a housing portion, of the electronic device are described. The electronic device can be portable and in some cases handheld.

Abstract: To provide a wearable information terminal enables to reduce power consumption and to improve operability. A wearable information terminal 1 wearable around a user's arm having a display 11, a touch pad 12 on the outside to the opposite position of the display 11 when worn on the user's arm, a sensor 13 detecting an inclination of the wearable information terminal 1 against a reference axis, and a controller 3 to show a pointer icon 110 at a position corresponding to an operation position on the display 11 when an operation to the touch pad 12 is detected and to switch the display 11 to an energy saving mode in case the inclination is within a predetermined range and the operation to the touch pad 12 is undetected.

Abstract: An electronic device includes a device body, a touch panel which having a front side and a reverse side, a vibration unit that is disposed on the reverse side and vibrates the touch panel, and a flexible member that is disposed on an inside and on the reverse side of the touch panel, the flexible member connecting the device body and the reverse side of the touch panel in a watertight manner and being flexibly deformed upon vibration of the touch panel.

Abstract: A display device includes a display panel, a touch sensor on the display panel, a window on the touch sensor, an adhesive layer between the window and the touch sensor, a touch key printed circuit board at least partially located between the window and the display panel, a touch key backlight unit on the touch key printed circuit board, and a shielding layer between the touch key printed circuit board and the display panel.

Abstract: A portable electronic device includes a display, a sliding track, a hinge, and a host. The display has a receiving groove. The sliding track is disposed in the display, and faces the receiving groove. The hinge is movably disposed on the sliding track, and located in the receiving groove. The host is disposed on the hinge. The host is rotated and moved relative to the display via the hinge. When the portable electronic device is in a tablet mode, the host is located in the receiving groove, and sustainably parallel to the display.

Abstract: A housing assembly structure is provided. The housing assembly structure includes a first housing, a second housing assembled with the first housing, a protrusion accommodating recess formed in the first housing, a hooking protrusion formed in the second housing to be accommodated in the protrusion accommodating recess in a protruding manner, and at least one contact protrusion formed in at least one area of the hooking protrusion in a protruding manner, wherein when the hooking protrusion is accommodated in the protrusion accommodating recess, the at least one contact protrusion is in contact with an inner surface of the protrusion accommodating recess.

Abstract: One embodiment provide an electronic device, including: a housing having an upper face and a lower face; a keyboard disposed in the upper face of the housing; a display part including a display; a hinge mechanism connecting the housing to the display part in a rotatable fashion; and a link mechanism that operates in conjunction with rotation of the display part to buffer the rotation of the display part when the display part is rotated beyond a predetermined angle with respect to the housing. Other aspects are described and claimed.