Abstract: A main Bluetooth circuit of a multi-member Bluetooth device includes: a Bluetooth communication circuit; a data transmission circuit; and a control circuit arranged to operably conduct bidirectional packet transmission with a remote Bluetooth device through the Bluetooth communication circuit by utilizing a Bluetooth wireless transmission approach, and arranged to operably communicate data with other devices through the data transmission circuit. During the period in which the Bluetooth communication circuit conducts packet transmission with the remote Bluetooth device, an auxiliary Bluetooth circuit of the multi-member Bluetooth device sniffs packets transmitted from the remote Bluetooth device.

Abstract: A joining mechanism includes a main body and a positioning assembly. The positioning assembly includes a first positioning member, a second positioning member, a first resilient member and a second resilient member. The first and second positioning members are pivotally connected to the main body. When a first battery and a second battery are installed in the main body, the first and second batteries respectively push the first and second positioning members from a first initial position and a second initial position to a first release position and a second release position. When the first battery is removed, the second resilient member forces the second positioning member to rotate from the second release position to the second initial position and to join with the second battery.

Abstract: A joining mechanism includes a main body and a positioning assembly. The positioning assembly includes a first positioning member, a second positioning member, a first resilient member and a second resilient member. The first and second positioning members are pivotally connected to the main body. When a first battery and a second battery are installed in the main body, the first and second batteries respectively push the first and second positioning members from a first initial position and a second initial position to a first release position and a second release position. When the first battery is removed, the second resilient member forces the second positioning member to rotate from the second release position to the second initial position and to join with the second battery.

Abstract: A solar-powered streetlamp structure (10) includes: a main lamp frame (1), including a top section (11) and a first pivotal hole (12); a solar power module (2), disposed on the top section (11); a rotation unit (3), including a transversal pipe (31) pivoted in the first pivotal hole (12) and an outwardly-protruding pipe (32) connected to the transversal pipe (31), thereby enabling the angle of the outwardly-protruding pipe (32) to be adjusted with the transversal pipe (31) served as an axle core; and a lamp unit (4), including a lamp body (41) having one end thereof formed with a second pivotal hole (410), and a light source module (42); the lamp body (41) is pivoted with the outwardly-protruding pipe (32) via the second pivotal hole (410), thereby enabling the angle of the lamp body (41) to be adjusted with the outwardly-protruding pipe (32) served as an axle core.

Abstract: A lighting fixture includes a lamp housing, a fan, a heat sink and a light engine. The lamp housing includes an air inlet opening, an air outlet opening and an illumination opening. The fan is installed inside the lamp housing, and the fan includes an air inlet corresponding to the air inlet opening and an air outlet corresponding to the air outlet opening. The heat sink includes a plurality of cooling fins, and each cooling fin is arranged corresponding to directions of the air outlet of the fan and the air outlet opening. The light engine includes one side attached onto a plane surface of the heat sink and another side arranged to face toward a direction of the illumination opening. Accordingly, the use of active cooling method is able to effectively increase the cooling effect of the lighting fixture.

Abstract: A smart lamp device applied to a remote host includes a lamp body, an LED module, a power supply module, a detector and a lamp frame assembly. The power supply module is contained in the lamp body and electrically connected to the LED module; the detector is installed to a lid of the lamp body and electrically connected to the LED module and the power supply module; the lamp frame assembly includes a first clamp, a second clamp and a hollow rod, and the hollow rod has a middle section and two extensions extended from both ends of the middle section, and the middle section is adjustably clamped between the first clamp and the second clamp, and the two extensions are fixed to both sides of the lamp body respectively.

Abstract: An LED light source apparatus includes a lamp housing, a lighting module, and a lens. The lamp housing has a first shell body, a second shell body, and a waterproof pad disposed between the first and second shell bodies. The first shell body and the second shell body are covered to each other. The second shell body has an opening. The waterproof pad is provided with a throughhole corresponding to the opening. A light guide flap is disposed on the perimeter of the opening of the second shell body. The lighting module is disposed inside the lamp housing corresponding to the opening. The lens is installed on a side of the lamp housing corresponding to the lighting module. Therefore, the components or the lighting module with a different power can be conveniently replaced by modules and thus the present invention has the flexibility in replacement and maintenance.

Abstract: A positioning structure of an electrical element of a light emitting diode (LED) lamp for is disposed inside a lamp to clip the electrical element. The electrical element can be a power supply of the lamp or a transformer. The positioning structure includes: a base portion fixed inside the lamp, two spring arms standing upright and extending from two ends of the base portion respectively, and two clipping portions disposed on the two spring arms respectively. The two clipping portions are disposed toward each other to form a concave shape, thereby forming a contact portion in contact with the electrical element and applying a clipping force to the electrical element via the two spring arms.

Abstract: An LED lamp heat dissipating structure includes a first cover, a second cover, a heat dissipating device, and an LED light source. The first cover and the second cover cover each other to form a hollow space. The heat dissipating device is disposed inside the first cover and the second cover. The LED light source is disposed below the second cover and is in heat-conducting contact with the heat dissipating device. The heat dissipating device further includes a plurality of cover heat pipes. Each of the cover heat pipes has a heated end and a cooled end. The heated end is connected at the heat conducting base. The cooled end extends along the first flange of the first cover and the second flange of the second cover, respectively, so as to be sandwiched between the first flange and the second flange.

Abstract: A positioning structure of an electrical element of a light emitting diode (LED) lamp for is disposed inside a lamp to clip the electrical element. The electrical element can be a power supply of the lamp or a transformer. The positioning structure includes: a base portion fixed inside the lamp, two spring arms standing upright and extending from two ends of the base portion respectively, and two clipping portions disposed on the two spring arms respectively. The two clipping portions are disposed toward each other to form a concave shape, thereby forming a contact portion in contact with the electrical element and applying a clipping force to the electrical element via the two spring arms.

Abstract: An LED lamp heat dissipating structure includes a first cover, a second cover, a heat dissipating device, and an LED light source. The first cover and the second cover cover each other to form a hollow space. The heat dissipating device is disposed inside the first cover and the second cover. The LED light source is disposed below the second cover and is in heat-conducting contact with the heat dissipating device. The heat dissipating device further includes a plurality of cover heat pipes. Each of the cover heat pipes has a heated end and a cooled end. The heated end is connected at the heat conducting base. The cooled end extends along the first flange of the first cover and the second flange of the second cover, respectively, so as to be sandwiched between the first flange and the second flange.

Abstract: An LED illumination apparatus includes a lens module, an illumination module and a sealing structure. The lens module includes a ring seat opened on both sides and a diffusion lens installed to a side of the ring seat. The illumination module is contained in the ring seat and includes an illumination unit configured to be corresponsive to the diffusion lens. The sealing structure is filled between the illumination module and an inner edge of the other side of the ring seat. The lens module and the illumination module are telescoped with each other and sealed by the sealing structure to achieve a waterproof effect.

Abstract: A liquid desalination device includes an ice maker, a rotary tank, an impurities collection tank and a desalination collection tank. The ice maker has a freezer module, a liquid inlet and an ice outlet. The liquid inlet and the liquid outlet correspond to the freezer module in position. The rotary tank has a tank body with a plurality of through holes, an ice inlet and an egress. The ice inlet and the egress are located at two end of the tank body. The ice inlet corresponds to the ice outlet in position. The impurities collection tank is disposed around the tank body, and corresponding to the through holes in position. The desalination collection tank corresponds to the ice outlet in position.

Abstract: A liquid desalination device includes an ice maker, a rotary tank, an impurities collection tank and a desalination collection tank. The ice maker has a freezer module, a liquid inlet and an ice outlet. The liquid inlet and the liquid outlet correspond to the freezer module in position. The rotary tank has a tank body with a plurality of through holes, an ice inlet and an egress. The ice inlet and the egress are located at two end of the tank body. The ice inlet corresponds to the ice outlet in position. The impurities collection tank is disposed around the tank body, and corresponding to the through holes in position. The desalination collection tank corresponds to the ice outlet in position.

Abstract: Disclosed is a metal etching method, a metal etching control method and a control device thereof. The metal etching control method is employed in a metal wet etching machine and comprises steps below: performing etching to a metal film and acquiring an etching end time of the metal film; multiplying the etching end time with a constant ratio to acquire the over etching time of the metal film; and performing etching to the metal film with the over etching time to complete the etching to the metal film. The present invention can precisely judge a total real etching time needed for each of a batch of metal films as performing metal etching to the metal films to reduce the issue of unstable etching qualities as the metal film thicknesses are not regular.

Abstract: A waterproof computer mouse includes an upper housing, a lower housing, a first waterproof ring, a second waterproof ring, a roller and a circuit board. The upper housing has an upper tubular portion downwardly extended therefrom in a through manner. The lower housing has a lower tubular portion upwardly extended therefrom through a bottom surface thereof. The upper tubular portion connects with the lower tubular portion to form a roller compartment therein. The first waterproof ring is disposed between a bottom edge of the upper housing and a top edge of the lower housing. The second waterproof ring is disposed between a bottom edge of the upper tubular portion and a top edge of the lower tubular portion. The roller is disposed in a rotatable manner in the roller compartment formed by the upper tubular portion and the lower tubular portion. The circuit board is disposed on the lower housing.

Abstract: A light emitting diode (LED) lamp includes a holding assembly, at least one LED and a heat pipe. The holding assembly includes a thermal-conductive base and at least one fixing component connected to the thermal-conductive base. The LED is mounted on one side of the thermal-conductive base. The heat pipe is inserted in the fixing component, such that a passageway is formed and communicating with an inside of the heat pipe. As this result, a plurality of airflow passages are formed on the thermal-conductive base, and the LED lamp can achieve good thermal-conductive efficiency.

Abstract: An LED lamp includes housing, an LED chip, and a lens. The housing includes an opening shell and a cover, the opening shell has an opening, and the cover is joined with the opening shell and covers the opening. A vent penetrates the cover, and inner rim of the opening shell is bent inwardly to form a fixing part, the fixing part covers an outer fringe of the cover. The LED chip is disposed on the opening shell. The lens is disposed on the housing and corresponded to the LED chip. The lens protrudes out of the cover via the vent. The opening shell and the cover cover other component disposed with the housing, which is easily assembled and with effect of waterproof and dust-proof.

Abstract: A vapor chamber and method of manufacturing the same are disclosed. The vapor chamber includes a lower shell, an upper shell, a wick structure and a working fluid. The lower shell has a bottom plate and a lower side plate extended from a periphery of the bottom plate. The upper shell has a top plate, an annular slot formed on the outer edge of the top plate, and an upper side plate extended from a periphery of the annular slot. The upper shell covers the lower shell so that the upper side plate abuts against the lower side plate, and a solder accommodating space is formed between the annular slot and the lower side plate.

Abstract: A detachable lamp includes a seat, a fastening mechanism and a lighting module. The fastening mechanism includes a rotary latch having a stem and a latching portion extending from the stem. The lighting module is disposed on the seat corresponding by the fastening mechanism and includes a frame and an LED assembly received in the frame. The frame has an engaging member for being fastened by the latching portion. Thereby, the lighting module can be detachably mounted on the seat.