84results about How to "Prevent wrong insertion" patented technology

This invention is to provide an ultra-miniaturized, thin-sized memory card provided with a mechanism for preventing a wrong insertion to a memory card slot. A multi-function memory card is composed of a card body and a cap for housing the card body. The card body is made of mold resin that encapsulates plural semiconductor chips mounted on a main surface of a wiring substrate. The card body is housed into the cap with the back face of the wiring substrate facing outward. Guide channels are provided at both side faces of the cap for preventing that the card is inserted upside down. Further, a convex section is provided at the trailing edge of the cap for preventing that the card is inserted in the wrong direction.

A memory card connector includes an insulating housing having a top wall and two sidewalls and defining conductive terminal grooves and a switch terminal groove. One sidewall extends upward and then extends toward the other sidewall to define an anti-mismating portion having a transverse portion above the top wall and a vertical portion connecting with the transverse portion and the sidewall. A metallic shell coupling with the insulating housing to form a card cavity has two side sections. One side section extends rearward to form a touching portion. Conductive terminals received in the conductive terminal grooves have a base portion, a soldering portion and a contacting portion. A switch terminal assembled in the switch terminal groove has a main body extending rearward to form a resilient arm received in the card cavity. The resilient arm defines a contacting projection facing the touching portion and a pressing portion facing the inner of the card cavity.

The embodiments of the present invention provide a SIM card slot having a fool-proof function and electronic apparatus containing the SIM card slot. The SIM card slot comprises: an accommodating space for accommodating the SIM card; and a cover, which may be of metal, positioned above the accommodating space; wherein a recessed zone is arranged in the cover, the recessed zone constituting a stopping sheet for blocking the insertion of the bevel edge of the SIM card. The wrong insertion of the SIM card of the electronic apparatus, such as a mobile terminal, may be prevented by the SIM card slot having a fool-proof function and electronic apparatus containing the SIM card slot of the present invention.

An electrical connector includes a first insulative housing defining a base member and a mating member extending forwardly from the base member in a mating direction, and a plurality of first contacts retained in the first housing. The mating member defines opposite first and second mating faces in a vertical direction perpendicular to said mating direction, and a receiving portion recessed towards the first mating face from the second mating face thereof. The receiving portion cooperates with a corresponding portion of a mating connector for preventing incorrect insertion of the electrical connector.

A memory card connector includes an insulating housing defining conductive terminal grooves and a switch terminal groove. A metallic shell coupling with the insulating housing to form a card cavity therebetween has a top section and two side sections. The front of a top surface of one side section extends and inclines to the front of the top section to form an anti-mismating portion connecting with the front of the top section to form an inclined corner at the front of the metallic shell. One side section extends rearward to form a touching portion protruding toward the inner of the card cavity. Conductive terminals received in the conductive terminal grooves have a base portion, a soldering portion and a contacting portion. A switch terminal assembled in the switch terminal groove has a main body extending rearward to form a resilient arm received in the card cavity. The resilient arm defines a contacting projection facing the touching portion and a pressing portion facing the inner of the card cavity.

The invention relates to an automatic testing method for a radar power supply, comprising the following steps: a switching power supply under test is connected to a measurement and control extension through an adapter; at the same time, the test system supplies power to the power supply under test through the adapter, and at the same time collects various working states of the power supply under test including input voltage, output voltage, ripple. According to the rated input and output parameters of the power supply, the upper computer completes the routine test and fault location of the power supply through the automatic test system. If the test result is normal, the test interface of the upper computer will prompt that the normal result is normal; if there is a power failure, the test interface of the upper computer will prompt the fault test result, including the scope and form of the fault. While realizing the automatic test, the invention can detect whether there is a fault in the power supply, find out the location of the fault, and facilitate maintenance by technicians.

A foolproof multi-card connector includes a housing having two sliding grooves bilaterally arranged on the inside, multiple sets of metal terminals, a movable partition board, which has two pivots respectively inserted into the sliding grooves and movable vertically in the sliding grooves, the movable partition board having two guide blocks bilaterally disposed at the front side each guide block having a bottom guide face and an inner guide face, a hook member mounted in the housing and hooked on the movable partition board to prohibit backward displacement of the movable partition board, and spring members supported between the bottom wall of the housing and the bottom wall of the movable partition board to hold the movable partition board in a rear up and front down position. Based on this arrangement, the foolproof multi-card connector prevents erroneous insertion of a card member and prohibits insertion of a second card member after insertion of one first card member.

The invention provides a method for managing optical fiber jumpers and optical fiber ports by applying pairing two-dimensional code labels. The method comprises the following process steps: two-dimensional code labels are provided; handheld equipment and an intelligent terminal are provided; the two-dimensional code labels are attached to two ends of the optical fiber jumpers; the two-dimensional code labels are attached to optical fiber ports of optical distribution equipment; the optical fiber jumpers attached with the two-dimensional code labels are identified in a pairing manner; the paired optical fiber jumpers and the optic fiber ports attached with the two-dimensional code labels are identified in a pairing manner; and the two-dimensional code labels and pairing information, which are read by the handheld equipment, are collected. The invention has the advantages that the simultaneous identification performance of the two-dimensional code labels is utilized to achieve pairing and binding of the optical fiber jumpers and connecting ends of the optic fiber ports and the optical fiber jumpers, so that favorable operation guidance, such as optical fiber jumper guidance, optical fiber jumper connection inquiry and optical fiber jumper tracking, is provided for operation during construction. Therefore, the in-use optical fiber ports and optical fiber jumpers are effectively managed at extremely low cost without breaking off the in-use optical path, and the maintenance efficiency is improved.

There is a needle integrated biosensor, including: a biosensor including at least two electrodes, and a puncture needle to collect a body fluid by piercing a skin of a person to be tested, the biosensor and the puncture needle being integrated, wherein the puncture needle is able to be kept hygienic without the need of a protective cover or the like for the puncture needle.

There is a needle integrated biosensor, including: a biosensor including at least two electrodes, and a puncture needle to collect a body fluid by piercing a skin of a person to be tested, the biosensor and the puncture needle being integrated, wherein a soft material is attached to the front end of the puncture needle so that the front end of the puncture needle is protected.

The invention relates to a positioning monitoring and managing system for a mobile derailer, comprising an upper computer, a wireless signal repeater, a mobile derailer storage and collection terminal and a mobile derailer detection rack, wherein the upper computer comprises a host computer, a display, a wireless data transceiving module, the mobile derailer storage and collection terminal comprises a sensor, a single chip, a wireless data transceiving module and a solar energy power source; the sensor is arranged the bottom of the mobile derailer detection rack, a travel switch is arranged in the mobile derailer detection rack, the sensor is electrically connected with the travel switch; when the mobile derailer is placed on the detection rack, the travel switch acts to power off the sensor; when the mobile derailer is taken away from the detection rack, the travel switch is reset and connected to the power supply of the sensor; the sensor transmits pick-place information to the single chip which transmits the pick-place information to the upper computer by the wireless data transceiving module by way of the repeater. The invention has the advantages of showcasing storage and use of the mobile derailer intuitively and avoiding misinsertion and missed withdrawal thereof.

The invention relates to a combination system for electric connectors, which comprises a first-typed socket, a second-typed socket, a first-typed plug and a second-typed plug. Each socket comprises an insulation base, a clapper extending from the insulation base and a plurality of conductive terminals positioned on the clapper; the upper surface, the lower surface or two sides of the upper surface and the lower surface of the clapper of the first-typed socket are respectively provided with m lugs, and m is more than or equal to 0, while the upper surface, the lower surface or two sides of the upper surface and the lower surface of the clapper of the second-typed socket are respectively provided with m plus n lugs, and n is more than or equal to 1, wherein, the positions of the m lugs in the second-typed socket are correspond to the positions of the lugs of the first-typed socket. The first-type plug and the second-typed plug respectively comprise a first slot and a second slot which match with the clappers and the lugs of the first-typed socket and the second-type socket; the first-typed plug only can be electrically connected with the first-type socket while the second-typed plug can be electrically connected with the first-typed socket and the second-typed socket; therefore, as different amounts of lugs are arranged on the clappers of the sockets, the combination system has the effect of avoiding wrong inserting.

A receptacle connector comprises an insulative housing, a plurality of conductive terminals arranged in the insulative housing, a metal shell and a slide mechanism. The metal shell is engaged with the insulative housing to form a first mating space and an entrance for entering into the first mating space. The slide mechanism is provided in the metal shell and comprises a slide block and a reset resilient element connected to the slide block. The slide block can move between a front position close to the entrance and a rear position away from the entrance. When the slide block is positioned at the front position, an inner side face of the slide block and the metal shell together form a second mating space, and the slide block is capable of being pushed to move to the rear position to move out of the first mating space.

The invention provides a card connector capable of preventing a card such an SIM card from being inserted along the wrong direction. The card connector comprises a sliding body (8) capable of moving in a housing (1), a reset spring (9) for applying the force to the sliding body along the push-out direction, and a locking mechanism for limiting the movement of the sliding body along the preset push-in position, wherein the locking mechanism comprises a rotation stopper (10) rotatably supported on the housing (1), and a locking pin (11) supported on the rotation stopper (10) on one end and provided with a limiting part (14) on another end to limit the movement of the sliding body by being fastened with the sliding body and the limiting part (14) and the rotation of the rotation stopper (10) are switched to the position for limiting the movement of the sliding body (8) and the position for releasing the limit in a linkage way, and the locking mechanism comprises an error insert prevention component capable of preventing the rotation stopper (10) from rotating to the movement limit position side when the card is inserted along the wrong direction.

The invention relates to a safety electrical leakage circuit breaker. The safety electrical leakage circuit breaker comprises a circuit breaker shell and a handle and also comprises a test button, wiring terminals and protection covers, wherein the circuit breaker shell comprises an operation shell, a rectangular concave shell, a spring cavity and a wiring cavity, the test button comprises a button body and a locking device, the locking device comprises a sliding way, a front sliding hole, a locking strip, a shift strip and a limitation strip, the wiring terminals are arranged in pairs, at least two pairs of wiring terminals are arranged, and each wiring terminal comprises a fixed terminal, a U-shaped sliding terminal, a driving bolt and a misplug-preventing plate, a pair of protection covers are arranged, and each protection cover comprises a front plate, a basic-layer plate, a high-layer plate, a wire through hole and an arc front cover. The invention also discloses an application method for protecting the safety electrical leakage circuit breaker. By the safety electrical leakage circuit breaker, misplug during plug of a wire can be prevented, the driving bolts of the wiring terminals and a metal core of the wire can be coated to prevent electrical shock, a test electrical leakage loop can be locked in a conduction state, and the handle is prevented from being operated by mistake.

The invention belongs to the field of an underwater connector, and particularly relates to a segmental watertight connector. The segmental watertight connector is mounted on underwater operation equipment. A socket has a housing, a jack and a guiding hole, wherein the jack and the guiding hole are in a first rubber sulfuration sealing member. One end of the jack is connected with a lead, and the other end is provided with an independent inner chamber. An annular projection exists in the inner chamber. A plug is provided with a plurality of second rubber sulfuration sealing members. Each secondrubber sulfuration sealing member is provided with a pin and a guiding pin. Furthermore the bottom of each pin is provided with an independent rubber insulating rod. One end of the pin is connected with a lead in a cable, and the other end is inserted into the jack. The rubber insulating rod is inserted into the inner chamber and abuts against an annular projection in a sealed manner. The socketand the corresponding plug according to the invention can be plugged in a wet environment and can be used in shallow sea and deep sea and furthermore have reliable sealing performance. The socket andthe corresponding plug are suitable for electric signal transmission in various kinds of underwater operation equipment. Furthermore connection of a plurality of plugs with cables with the equipment through one socket can be realized.

The invention discloses a shielding twisted-pair conductor connector. The connector comprises a plug and a joint; the plug is electrically connected with a flexible shielding twisted-pair cable core through welding, and the joint is electrically connected with a rigid shielding twisted-pair conductor through welding; the plug and the joint are electrically connected through elastic contact connection of the jack contact piece and the pin contact piece. The insulating layer is designed in a split manner and is divided into the mounting plate and the insulator; according to the shielding twisted-pair conductor joint, the wire cores are independently fixed on the mounting plate, the defects of high core wire bending difficulty, small twisted-pair core wire gap and mutual welding influence areeffectively overcome, the welding spots are contained in the insulator, the creepage distance can be effectively increased, and the insulating property of the shielding twisted-pair conductor joint is improved. The connector provided by the invention has the advantages of excellent structure, good sealing performance, stable electrical performance, strong anti-interference shielding capability and the like, and is a special shielding twisted-pair connector capable of meeting special requirements of radiation resistance, aging resistance and the like.

The invention discloses a stacking-type splicing electronic building block. The stacking-type splicing electronic building block comprises a base, the base is of a stacking-type multi-laminated-boardstructure, the topmost laminated boards are provided with pluggable connectors for connecting element blocks, other boards are provided with element devices used for being cooperatively inserted ontothe element blocks on the topmost laminated boards to work, and all laminated boards are inserted into inserting holes formed in edges of adjacent boards through inserting needles installed on the edges of the boards to conduct signal and power transmission among the boards. The stacking-type multi-laminated-board structure is adopted by a baseboard of the electronic building block, the area occupied by the baseboard is effectively reduced, and the structure is more compact while the configurable area is enlarged; meanwhile, all laminated boards are inserted into the inserting holes formed inthe edges of adjacent boards through the inserting needles installed on the edges of the boards to conduct the signal and power transmission among the boards, the inserting needles and the inserting holes are distributed in a U shape in the respective boards, and by recognizing the inter-board inserting direction in the direction of the U-shaped opening, insertion by mistake can be prevented.

The invention discloses a storage card connector with a fool-proof structure, which comprises a body, a baffle door, a stop structure, wherein an opening for inserting with a storage card is arranged on one side, the baffle door is arranged at flange of the opening, a baffle plate with the same height as that of the opening one end of the baffle door is arranged at one end of the baffle door, a port for inserting the storage card is arranged between the other end of the baffle door and the opening, the stop structure is arranged inside the main body and comprises an elastic portion and a catch, the elastic portion is in inclined panel shape, and the catch is withstood on one lateral face of the baffle door. Compared with the prior art, the storage card connector with a fool-proof structure not only has fool-proof structure of wrong insertion prevention and oblique insertion prevention and the like, but has strong practicability.