Abstract: Apparatus, systems and methods for detecting and monitoring fall-down actions and other transient motions are disclosed. In one example, a system for monitoring a transient motion in a venue is disclosed. The system comprises a transmitter, a receiver, and a transient motion monitor. The transmitter is located at a first position in the venue for transmitting a wireless signal through a wireless multipath channel impacted by the transient motion of an object in the venue. The receiver is located at a second position in the venue for: receiving the wireless signal through the wireless multipath channel, and obtaining a time series of channel information (CI) of the wireless multipath channel based on the wireless signal. The transient motion monitor is configured for: monitoring the transient motion based on the time series of CI, and triggering a response action based on the monitored transient motion.

Abstract: Method, apparatus and systems for object tracking are disclosed. In one example, a disclosed method includes obtaining at least one time series of channel information (CI) of a wireless multipath channel using: a processor, a memory communicatively coupled with the processor and a set of instructions stored in the memory. The at least one time series of channel information is extracted from a wireless signal transmitted between a Type 1 heterogeneous wireless device at a first position in a venue and a Type 2 heterogeneous wireless device at a second position in the venue through the wireless multipath channel. The wireless multipath channel is impacted by a current movement of an object in the venue. The method also includes determining a spatial-temporal information of the object based on at least one of: the at least one time series of channel information, a time parameter associated with the current movement, and a past spatial-temporal information of the object.

Abstract: Apparatus, systems and methods for recognizing and classifying events in a venue based on a wireless signal are disclosed. In one example, a disclosed system comprises a first transmitter, a second transmitter, at least one first receiver, at least one second receiver, and an event recognition engine, in the venue. The first transmitter transmits a training wireless signal through a wireless multipath channel impacted by a known event in the venue in a training time period associated with the known event. Each first receiver receives asynchronously the training wireless signal, and obtains, asynchronously based on the training wireless signal, at least one time series of training channel information of the wireless multipath channel between the first receiver and the first transmitter. The second transmitter transmits a current wireless signal through the wireless multipath channel impacted by a current event in a current time period associated with the current event.

Abstract: Method, apparatus and systems for object tracking are disclosed. In one example, a disclosed method includes obtaining at least one time series of channel information (CI) of a wireless multipath channel using: a processor, a memory communicatively coupled with the processor and a set of instructions stored in the memory. The at least one time series of channel information is extracted from a wireless signal transmitted between a Type 1 heterogeneous wireless device at a first position in a venue and a Type 2 heterogeneous wireless device at a second position in the venue through the wireless multipath channel. The wireless multipath channel is impacted by a current movement of an object in the venue. The method also includes determining a spatial-temporal information of the object based on at least one of: the at least one time series of channel information, a time parameter associated with the current movement, and a past spatial-temporal information of the object.

Abstract: A mobile device includes a ground plane, a first antenna, a second antenna, a first metal element, and a second metal element. The first antenna has a first feeding point coupled to a first signal source. The second antenna has a second feeding point coupled to a second signal source. The first metal element has a connection end and an open end. The connection end of the first metal element is coupled to the ground plane, and is adjacent to the first feeding point. The second metal element has a connection end and an open end. The connection end of the second metal element is coupled to the ground plane, and is adjacent to the second feeding point.

Abstract: A mobile device includes a ground plane, a first antenna, a second antenna, a first metal element, and a second metal element. The first antenna has a first feeding point coupled to a first signal source. The second antenna has a second feeding point coupled to a second signal source. The first metal element has a connection end and an open end. The connection end of the first metal element is coupled to the ground plane, and is adjacent to the first feeding point. The second metal element has a connection end and an open end. The connection end of the second metal element is coupled to the ground plane, and is adjacent to the second feeding point.

Abstract: A transmission shaft set including a plurality of transmission shaft structures is disclosed. Each transmission shaft structure includes a metal pin connecting shaft and a base. The metal pin connecting shaft includes an arc part, a fastening block, a plurality of electrically connecting parts and a plurality of electrically connecting metal pins. The plurality of electrically connecting parts are located on the arc part. The plurality of electrically connecting metal pins are located in the fastening block and electrically connected to the plurality of electrically connecting parts. The base is fastened to the metal pin connecting shaft and includes a fastening groove, at least one fastening part and at least one column. The fastening groove is used for fastening the fastening block. The fastening part is located near the fastening groove. The column is located near the fastening groove and the fastening part.

Abstract: An electronic assembly including a first electronic device and a second electronic device is provided. The first electronic device has a first body and a first terminal set disposed in a recess of the first body. The second electronic device has a second body and a second terminal set disposed on the second body in a protruding manner. The first body and the second body are assembled together only by inserting and locking the second terminal set in the recess. Moreover, the first terminal set and the second terminal set are in contact with each other in the recess, such that the first and the second electronic devices are electrically connected to each other via the first terminal set and the second terminal set.

Abstract: An electronic assembly including a first body having at least one recess, a first electronic module disposed within the first body, at least one first terminal set disposed within the recess and electrically connected to the first electronic module, a second body having at least one protruding portion, a second electronic module disposed within the second body and at least one second terminal set disposed in the protruding portion, partially exposed by the surface of the protruding portion and electrically connected to the second electronic module. The first and the second bodies are assembled to each other by the protruding portion inserting into the recess, and the first terminal set contacts the second terminal set, such that the first and the second electronic modules are electrically connected to each other through the first and the second terminal sets.

Abstract: An electronic assembly including a first electronic device and a second electronic device is provided. The first electronic device has a first body and a first terminal set disposed in a recess of the first body. The second electronic device has a second body and a second terminal set disposed on the second body in a protruding manner. The first body and the second body are assembled together only by inserting and locking the second terminal set in the recess. Moreover, the first terminal set and the second terminal set are in contact with each other in the recess, such that the first and the second electronic devices are electrically connected to each other via the first terminal set and the second terminal set.

Abstract: A hinge mechanism includes first torsion shafts, a first torsion sleeve, second torsion shafts, a second torsion sleeve, a first fixing assembly, a second fixing assembly and a third fixing assembly. The first torsion sleeve is sleeved on the first torsion shafts to link the first torsion shafts. The second torsion sleeve is sleeved on the second torsion shafts to link the second torsion shafts. The first and the second torsion sleeves interfere with each other, so the adjacent first and second torsion shafts drive each other to move. The first fixing assembly is engaged with the adjacent first and second torsion shafts respectively. The second fixing assembly is engaged with the first torsion shaft away from the second torsion shafts. The third fixing assembly is engaged with the second torsion shaft away from the first torsion shafts. The first, second and third torsion shafts interfere with each other.

Abstract: An electronic assembly including a first body having at least one recess, a first electronic module disposed within the first body, at least one first terminal set disposed within the recess and electrically connected to the first electronic module, a second body having at least one protruding portion, a second electronic module disposed within the second body and at least one second terminal set disposed in the protruding portion, partially exposed by the surface of the protruding portion and electrically connected to the second electronic module. The first and the second bodies are assembled to each other by the protruding portion inserting into the recess, and the first terminal set contacts the second terminal set, such that the first and the second electronic modules are electrically connected to each other through the first and the second terminal sets.

Abstract: A hinge mechanism includes first torsion shafts, a first torsion sleeve, second torsion shafts, a second torsion sleeve, a first fixing assembly, a second fixing assembly and a third fixing assembly. The first torsion sleeve is sleeved on the first torsion shafts to link the first torsion shafts. The second torsion sleeve is sleeved on the second torsion shafts to link the second torsion shafts. The first and the second torsion sleeves interfere with each other, so the adjacent first and second torsion shafts drive each other to move. The first fixing assembly is engaged with the adjacent first and second torsion shafts respectively. The second fixing assembly is engaged with the first torsion shaft away from the second torsion shafts. The third fixing assembly is engaged with the second torsion shaft away from the first torsion shafts. The first, second and third torsion shafts interfere with each other.

Abstract: A hinge device with a plurality of hinge main bodies and a plurality of connecting parts is disclosed. Each hinge main body aligns along a first direction and has two connecting shafts and a connecting portion. The two ends of the connecting portion connect to the two connecting shafts. Each connecting part is located between the hinge main bodies and respectively connected to the connecting shafts of different hinge main bodies such that each hinge main body can turn to multiple angles relative to each connecting part.

Abstract: A bearing structure is applied to an electronic device, and the electronic device includes a first operation part and a second operation part. The bearing structure includes a first fastening end, a second fastening end, and a plurality of concatenation units. The first fastening end is fastened to the first operation part. The second fastening end is fastened to the second operation part. Each of the concatenation units includes a fastening clip and a fastening axis, one of the concatenation units is fastened to the first fastening end, and another concatenation unit is fastened to the second fastening end. The fastening clip of any one of the concatenation units is fastened to the fastening axis of another neighboring concatenation unit.

Abstract: A transmission shaft set including a plurality of transmission shaft structures is disclosed. Each transmission shaft structure includes a metal pin connecting shaft and a base. The metal pin connecting shaft includes an arc part, a fastening block, a plurality of electrically connecting parts and a plurality of electrically connecting metal pins. The plurality of electrically connecting parts are located on the arc part. The plurality of electrically connecting metal pins are located in the fastening block and electrically connected to the plurality of electrically connecting parts. The base is fastened to the metal pin connecting shaft and includes a fastening groove, at least one fastening part and at least one column. The fastening groove is used for fastening the fastening block. The fastening part is located near the fastening groove. The column is located near the fastening groove and the fastening part.

Abstract: A touch pad module includes a circuit board and a trigger element. The circuit board includes a recessed area. The trigger element is disposed on the circuit board and covers the recessed area. When the trigger element deforms by an external force, at least a part of the trigger element is located in the recessed area.

Abstract: A touch pad module suitable for an electronic device is provided. The touch pad module includes a circuit board and a trigger element. The circuit board includes a recessed area. The trigger element is disposed on the circuit board and covers the recessed area. When the trigger element deforms by an external force, at least a part of the trigger element is located in the recessed area.

Abstract: An electronic device including a display, at least one hinge and a main frame is provided. The display includes a casing, where the casing has at least one first engaging portion. The hinge has a second engaging portion and a pivot portion, where the second engaging portion is engaged with the first engaging portion. The main frame is pivoted to the pivot portion.