Abstract: An electronic device with an inbuilt mechanism sealing unused interface holes, or gaps, against dust is disclosed. The dust-proof mechanism includes two blocking members and two elastic members. The two blocking members are movably mounted on a bottom wall of a housing and close an interface hole in the manner of drawn curtains. The two blocking members are urged together by the elastic members. When an object is inserted into the interface hole, the guiding surfaces guide and ride over the inserted object, moving the two blocking members away from each other. When the object is pulled out of the interface hole, the two blocking members are moved back toward each other by the elastic members.

Abstract: A projector includes a polarization conversion system and a reflective polarizer. The polarization conversion system receives unpolarized light including first S-polarized light and first P-polarized light, wherein the first S-polarized light passes through the polarization conversion system, a part of the first P-polarized light is converted into second S-polarized light after passing through the polarization conversion system, and another part of the first P-polarized light remains unchanged after passing through the polarization conversion system. The reflective polarizer allows the first S-polarized light and the second S-polarized light to pass through and reflects the first P-polarized light back to the polarization conversion system.

Abstract: An electronic device includes a housing, a circuit board and a volume button. The housing defining a slot, and includes a fixing block. The fixing block is formed on an inner wall of the housing and positioned adjacent to one end of the slot. A through hole is formed in the fixing block. The circuit board received in the housing includes a volume control module and a mute control module positioned adjacent to the slot. The volume button is movably positioned in the slot and exposed out of the housing. The volume button includes a volume increasing portion and the volume decreasing portion. The volume increasing portion and the volume decreasing portion can be pushed on the volume control module. One end of the volume button passes through the through hole and is capable of triggering the mute control module.

Abstract: A portable electronic device includes a housing defining a mounting slot; and a chip card holding mechanism assembled within the housing for holding a chip card. The chip card holding mechanism includes a receiving tray slidably mounted on the housing, and an unlocking assembly for unlocking and ejecting the receiving tray. The receiving tray includes a tray body and a draw-off portion formed at one end of the tray body. The draw-off portion has an inclined resisting surface towards the tray body. The unlocking assembly is mounted in the housing and capable of resisting the inclined resisting surface to drive the receiving tray to move relative to the housing, and thereby eject the receiving tray.

Abstract: A locking assembly includes a guiding post and a hollow locking member. The guiding post includes a locking portion. A clamp hook is formed on a flange of the locking portion. The locking member includes an opening end. The locking member sleeves on the locking portion of the locking member, in which at least one clamping depression is formed on an inner wall of the locking member corresponding to the clamp hook, and the clamp hook is clamped in one clamping depression.

Abstract: An electronic device includes a housing and at least one connector assembly. The housing includes a bottom wall and a sidewall. The sidewall includes an outer side surface, a top surface and an inner side surface. At least one insertion interface is defined through the outer side surface. One resisting groove is defined on each end wall of the insertion interface. The top surface forms at least one receiving groove communicating with the corresponding insertion interface. Each connector assembly includes a connecting member and a connector. The connecting member includes a main body and two positioning ends protruding from the main body. The main body is received in the receiving groove. Each positioning end passes through the receiving groove and extends into the insertion interface to resist a side wall of one resisting groove. The connector is received in the insertion interface and resists between the two positioning ends.

Abstract: An electronic device using a lens module is disclosed. The lens module for a housing, comprises a barrel comprising a containing portion; and at least one lens insert molded mounted in the containing portion; wherein the containing portion comprises an inner sidewall, and a first latching portion in the inner sidewall; the at least one lens comprises a main body, and a second latching portion extends outward from a side surface of the main body; the second latching portion is received in the first latching portion.

Abstract: An electronic device with an inbuilt mechanism sealing unused interface holes, or gaps, against dust is disclosed. The dust-proof mechanism includes two blocking members and two elastic members. The two blocking members are movably mounted on a bottom wall of a housing and close an interface hole in the manner of drawn curtains. The two blocking members are urged together by the elastic members. When an object is inserted into the interface hole, the guiding surfaces guide and ride over the inserted object, moving the two blocking members away from each other. When the object is pulled out of the interface hole, the two blocking members are moved back toward each other by the elastic members.

Abstract: The invention provides a yeast strain and a method for making the same. The method has the step of replacing the regulation region upstream of the hsp104 gene in the genome of the yeast, so as to accelerate and prolong the expression span of hsp104 gene and enhance the capability of the yeast to ferment and produce ethanol in a high-temperature environment. The yeast is capable of fermenting glucose at a temperature higher than 42° C. to produce ethanol, or biomass ethanol, wherein the ethanol production ratio based on fermentation of glucose is higher than 97%. Being able to synchronize the degradation/hydrolysis stage and fermentation stage of biomass ethanol producing process, the yeast in accordance with the present invention is able to lower the production cost of biomass ethanol and further raise the productivity with its high ethanol production ratio.

Abstract: An electronic device includes a housing, a shield cover, a camera module, and a plurality of light emitting members. A connecting hole is defined in the housing. The transparent protective cover is positioned in the connecting hole. The shield cover is positioned in the housing facing the connecting hole. The camera module is positioned and is received in the shield cover. The plurality of light emitting members is positioned and is received in the shield cover around the camera module.

Abstract: The invention provides a yeast strain and a method for making the same. The method has the step of replacing the regulation region upstream of the hsp104 gene in the genome of the yeast, so as to accelerate and prolong the expression span of hsp104 gene and enhance the capability of the yeast to ferment and produce ethanol in a high-temperature environment. The yeast is capable of fermenting glucose at a temperature higher than 42° C. to produce ethanol, or biomass ethanol, wherein the ethanol production ratio based on fermentation of glucose is higher than 97%. Being able to synchronize the degradation/hydrolysis stage and fermentation stage of biomass ethanol producing process, the yeast in accordance with the present invention is able to lower the production cost of biomass ethanol and further raise the productivity with its high ethanol production ratio.

Abstract: A portable electronic device includes a housing and a chip card holding mechanism assembled within the housing. The housing defines a mounting slot and an unlocking hole adjacent to the mounting slot. The chip card holding mechanism includes a support base assembled adjacent to the mounting slot, a receiving tray and an unlocking assembly. The receiving tray is slidably mounted on the support base and includes a tray body and an operating portion formed at one end of the tray body. The operating portion has a resisting surface. The unlocking assembly includes a cam body rotatably assembled to the housing and a driving member. The cam body forms a cam resisting portion resisting against the resisting surface of the receiving tray. The driving portion is inserted into the unlocking hole for driving the cam body to rotate thereby ejecting the receiving tray.

Abstract: A projector includes a polarization conversion system and a reflective polarizer. The polarization conversion system receives unpolarized light including first S-polarized light and first P-polarized light, wherein the first S-polarized light passes through the polarization conversion system, a part of the first P-polarized light is converted into second S-polarized light after passing through the polarization conversion system, and another part of the first P-polarized light remains unchanged after passing through the polarization conversion system. The reflective polarizer allows the first S-polarized light and the second S-polarized light to pass through and reflects the first P-polarized light back to the polarization conversion system.

Abstract: A housing assembly includes a housing and a bumper insert. A jack socket hole is defined in the housing. The bumper insert is made of plastic material, and inserted in the jack socket hole to protect the jack socket hole. A connecting hole is defined through a mounting portion of the bumper insert. The disclosure also provides an electronic device using the housing assembly.

Abstract: An electronic device includes a housing, a circuit board and a volume button. The housing defining a slot, and includes a fixing block. The fixing block is formed on an inner wall of the housing and positioned adjacent to one end of the slot. A through hole is formed in the fixing block. The circuit board received in the housing includes a volume control module and a mute control module positioned adjacent to the slot. The volume button is movably positioned in the slot and exposed out of the housing. The volume button includes a volume increasing portion and the volume decreasing portion. The volume increasing portion and the volume decreasing portion can be pushed on the volume control module. One end of the volume button passes through the through hole and is capable of triggering the mute control module.

Abstract: An electronic device includes a housing and at least one connector assembly. The housing includes a bottom wall and a sidewall. The sidewall includes an outer side surface, a top surface and an inner side surface. At least one insertion interface is defined through the outer side surface. One resisting groove is defined on each end wall of the insertion interface. The top surface forms at least one receiving groove communicating with the corresponding insertion interface. Each connector assembly includes a connecting member and a connector. The connecting member includes a main body and two positioning ends protruding from the main body. The main body is received in the receiving groove. Each positioning end passes through the receiving groove and extends into the insertion interface to resist a side wall of one resisting groove. The connector is received in the insertion interface and resists between the two positioning ends.

Abstract: A housing of an electronic device includes a main body, at least one sidewall, and a strengthening portion. The sidewall bends outward from an edge of the main body. The sidewall includes an inner side surface adjacent to the main body and an outer side surface opposite to the inner side surface. The strengthening portion is located on the inner side surface of the at least one sidewall. The sidewall defines a connecting port at the outer side surface thereof, and the connecting port passes through the at least one sidewall and the strengthening portion. The present disclosure further provides a manufacturing method of the housing.

Abstract: A portable electronic device includes a housing defining a mounting slot; and a chip card holding mechanism assembled within the housing for holding a chip card. The chip card holding mechanism includes a receiving tray slidably mounted on the housing, and an unlocking assembly for unlocking and ejecting the receiving tray. The receiving tray includes a tray body and a draw-off portion formed at one end of the tray body. The draw-off portion has an inclined resisting surface towards the tray body. The unlocking assembly is mounted in the housing and capable of resisting the inclined resisting surface to drive the receiving tray to move relative to the housing, and thereby eject the receiving tray.

Abstract: A locking assembly includes a guiding post and a hollow locking member. The guiding post includes a locking portion. A clamp hook is formed on a flange of the locking portion. The locking member includes an opening end. The locking member sleeves on the locking portion of the locking member, in which at least one clamping depression is formed on an inner wall of the locking member corresponding to the clamp hook, and the clamp hook is clamped in one clamping depression.