Abstract: A medium thickness detection device includes: a light emitting element; a constant-current control circuit controlling, in a constant-current manner, the light emitting element to output light passing through a medium for an irradiation time; a light-receiving element receiving the light passing through the medium to obtain an analog signal; a receiver circuit receiving the analog signal; a maximum holding circuit holding a maximum of the analog signal; an analog-to-digital converter circuit reading the maximum of the analog signal and converting the maximum of the analog signal into a digital signal; a reset circuit resetting the maximum holding circuit; and a processor controlling operations of the constant-current control circuit, the reset circuit and the analog-to-digital converter circuit, and determining a thickness of the medium according to the digital signal when a specification of the medium is unknown.

Abstract: An electrical connector includes a body portion, a connecting wire, an electrically connecting portion, a locking element and a pressing element. The body portion has a first and a second end portion opposite to the first end. The connecting wire is located at the first end portion. The electrically connecting portion is located at the second end portion. The locking element is located in the electrically connecting portion and has an abutting end and a fastening end. The abutting end is located in the body portion, and the fastening end is located outside of the body portion. The pressing element is movably disposed on the body portion. Two ends of the pressing element are a pressing portion and a driving portion, respectively. The pressing portion is adjacently configured to the first end portion. The driving portion is to contact the abutting end.

Abstract: An electrical connector includes a body portion, a connecting wire, an electrically connecting portion, a locking element and a pressing element. The body portion has a first and a second end portion opposite to the first end. The connecting wire is located at the first end portion. The electrically connecting portion is located at the second end portion. The locking element is located in the electrically connecting portion and has an abutting end and a fastening end. The abutting end is located in the body portion, and the fastening end is located outside of the body portion. The pressing element is movably disposed on the body portion. Two ends of the pressing element are a pressing portion and a driving portion, respectively. The pressing portion is adjacently configured to the first end portion. The driving portion is to contact the abutting end.

Abstract: An apparatus comprising at least one extendable hard drive drawer for replacement and maintenance of at least one hard drive. The apparatus comprises a chassis comprising a front side and a rear side, and a first hard drive carrier and a second hard drive carrier housed within the chassis. The first hard drive carrier can be housed at the front side of the chassis, and the second hard drive carrier can be located behind the first hard drive carrier. The first hard drive carrier and the second hard drive carrier can each be adapted to house at least one hard drive. The first hard drive carrier can be adapted to slide from a closed position to a first open position, and from the first open position to a second open position, such that the second hard drive carrier can be accessed in the second open position.

Abstract: An apparatus comprising at least one extendable hard drive drawer for replacement and maintenance of at least one hard drive. The apparatus comprises a chassis comprising a front side and a rear side, and a first hard drive carrier and a second hard drive carrier housed within the chassis. The first hard drive carrier can be housed at the front side of the chassis, and the second hard drive carrier can be located behind the first hard drive carrier. The first hard drive carrier and the second hard drive carrier can each be adapted to house at least one hard drive. The first hard drive carrier can be adapted to slide from a closed position to a first open position, and from the first open position to a second open position, such that the second hard drive carrier can be accessed in the second open position.

Abstract: The invention provides a down-like fiber which comprises a hollow stem and a plurality of shaped lobes arranged radially around the stem wherein each shaped lobe has a bottom end and a head end opposite the bottom end. The bottom end attaches to the surface of the hollow stem and two adjacent head ends do not connect to one another to form an opening. The present invention also provides a spinneret and a method for manufacturing the above fiber.

Abstract: An apparatus comprising at least one extendable hard drive drawer for replacement and maintenance of at least one hard drive. The apparatus comprises a chassis comprising a front side and a rear side, and a first hard drive carrier and a second hard drive carrier housed within the chassis. The first hard drive carrier can be housed at the front side of the chassis, and the second hard drive carrier can be located behind the first hard drive carrier. The first hard drive carrier and the second hard drive carrier can each be adapted to house at least one hard drive. The first hard drive carrier can be adapted to slide from a closed position to a first open position, and from the first open position to a second open position, such that the second hard drive carrier can be accessed in the second open position.

Abstract: A sliding track assembly including a first, second and third rails, the second rail slidably mounted on the first rail, and the third rail slidably mounted on the second rail, so that the second and third rail can move relatively to the first rail and to each other. The sliding tract assembly also includes a latch member mounted on the third rail near its outer end and having two resilient or/and compressible portions each having asymmetric inward and outward facing slopes, and a lock member mounted or formed on the second rail near its outer end. The third rail can move together with the second rail when the latch member and the lock member are engaged, and the third rails can move freely by itself when the latch member and the lock member are disengaged.

Abstract: An apparatus comprising at least one extendable hard drive drawer for replacement and maintenance of at least one hard drive. The apparatus comprises a chassis comprising a front side and a rear side, and a first hard drive carrier and a second hard drive carrier housed within the chassis. The first hard drive carrier can be housed at the front side of the chassis, and the second hard drive carrier can be located behind the first hard drive carrier. The first hard drive carrier and the second hard drive carrier can each be adapted to house at least one hard drive. The first hard drive carrier can be adapted to slide from a closed position to a first open position, and from the first open position to a second open position, such that the second hard drive carrier can be accessed in the second open position.

Abstract: A sliding track assembly including a first, second and third rails, the second rail slidably mounted on the first rail, and the third rail slidably mounted on the second rail, so that the second and third rail can move relatively to the first rail and to each other. The sliding tract assembly also includes a latch member mounted on the third rail near its outer end and having two resilient or/and compressible portions each having asymmetric inward and outward facing slopes, and a lock member mounted or formed on the second rail near its outer end. The third rail can move together with the second rail when the latch member and the lock member are engaged, and the third rails can move freely by itself when the latch member and the lock member are disengaged.

Abstract: A fixing structure for fixing a device onto a casing. The casing includes a first side, a second side and a first hole. The first side is opposite to the second side. The first hole penetrates the first side and the second side. The device is inserted on the first side of the casing. The fixing structure includes a looping portion, a first string and at least one first protrusion. The looping portion is located at the first side of the casing and has an opening. The device is fastened in the opening. The first string is connected to the looping portion. The first protrusion is fixed to and protrudes from the first string. The first string passes through the first hole from the first side of the casing, so that the first protrusion presses on the second side of the casing.

Abstract: A cold cathode fluorescent lamp connector includes a holding base and a plurality of terminals. The holding base has a base board and a plurality of terminal housings which are integratedly molded with the base board as a single piece, each of the terminal housings is perpendicularly interweaved in the base board, two opposite ends of the base board respectively define a first locking portion and a second locking portion matchable with the first locking portion for making the first locking portion of one cold cathode fluorescent lamp connector can be engaged with the second locking portion of another cold cathode fluorescent lamp connector so as to series-connect a plurality of the cold cathode fluorescent lamp connectors together. The terminals are respectively received in the terminal housings of the holding base.

Abstract: A power jack connector for receiving a power plug connector has an insulating housing, a middle pin, a first shell surrounding a rear end of the insulating housing and a second shell having a supporting plate for covering the rear surface of the insulating housing and being connected with the first shell. The insulating housing defines a chamber passing through a front surface and a rear surface thereof for receiving the power plug connector. The middle pin has an inserting portion inserted into the chamber for contacting the power plug connector and a connecting portion. The first shell has a soldering portion for being connected to ground. A middle of the supporting plate defines a window. A plurality of contacting pieces at intervals are extended towards one side from an edge of the window and extended into the chamber for abutting against the power plug connector.

Abstract: A connector has an insulating housing of which two opposite ends extended frontward to form a pair of supporting arms, terminals mounted in the insulating housing having soldering portions projected out of a bottom of the insulating housing, a positioning member. The positioning member has a base slice received in a through slot formed at the supporting arm. A top slice and a bottom slice are extended from top and bottom edges of the base slice respectively and perpendicular to the base slice. The top slice is located above a top of the supporting arm, the bottom slice is located under a bottom of the supporting arm for being soldered on the PCB. As the height of the base slice is bigger than that of the through recess, intervals are accordingly formed between the supporting arm and positioning member to achieve an up-and-down movement of the positioning member.

Abstract: A receptacle connector includes a shell, an insulating body and a plurality of terminals. The shell has a base board, two side boards and two top boards engaged with each other. A receiving recess is defined by the base board, the side boards and the top boards together. Each of the top boards defines at least one fixing opening. The insulating body has a base portion and a press plate connected with a top of the base portion. The press plate defines at least two fixing portions. The base portion is received in the receiving recess, the press plate is mounted on the top boards and the fixing portions are snapped into the corresponding fixing openings. The terminals are disposed in the base portion and stretch into the receiving recess.

Abstract: A micro USB connector includes a housing, contacts received in the housing and a metal shell shielding the housing. The housing has a body, the body has a front wall, the middle of the front wall extends forward to form a mating portion. The metal shell has a top plate, a bottom plate and two side plates, a receiving space is formed among the top plate, the bottom plate and the two side plates. The metal shell extends towards the receiving space to form at least one blocking portion. The body is received in the rear of the receiving space, the mating portion is received in the front of the receiving space, a front end of the blocking portion is at the front of the front wall of the body. Therefore, the electrical connection between the micro USB connector and the plug is reliable.

Abstract: A flexible printed circuit board connector includes an insulating housing defining two insertion spaces which are opposite to each other and separated by a partition therebetween and two groups of terminal slots defined by and corresponding to the respective insertion spaces. A pair of covers engages in a rotatable manner with the insulating housing for covering the respective insertion spaces, and two groups of terminals are respectively disposed in the two groups of terminal slots of the insulating housing.