Abstract: An antenna mount includes a main member, a first contacting member, a second contacting member, and a driving member. The main member has a chamber therein to receive the first contacting member, the second contacting member and the driving member. The first contacting member electrically connects to a signal wire of a cable for signal transmission, and the main member electrically connects to a ground wire of the cable. Two ends of the second contacting member are respectively connected to the main member and contacted with the first contacting member, wherein the second contacting member has a predetermined resistance. Once a connector of an antenna is engaged, the driving member is moved to separate the second contacting member and the first contacting member; and when the connector of the antenna is disengaged, the second contacting member contacts with the first contacting member again as a protective circuit.

Abstract: A meter socket for a meter box includes a set of meter jaws to receive a watt-hour meter, a bypass conductor member to selectively connect the meter jaws and provide a bypass for the watt-hour meter, and an activator for the bypass conductor member. The activator is configured to be activated by a user through a closed meter box to move the bypass conductor member from a metered position to a bypass position.

Abstract: Present embodiments include an automation control system that includes an input/output device module with a device bus therein. The input/output module also includes a first bus contact on a first side of the input/output device module and communicatively coupled with a first end of the device bus, and a second bus contact on a second side of the input/output device module and communicatively coupled with a second end of the device bus. The second side generally faces an opposite direction from the first side and the input/output device module is configured to be coupled with additional input/output device modules positioned on the first and second sides of the input/output device module via the first and second bus contacts.

Abstract: A thermostat is configured for automated compatibility with HVAC systems that are either single-HVAC-transformer systems or dual-HVAC-transformer systems. The compatibility is automated in that a manual jumper installation is not required for adaptation to either single-HVAC-transformer systems or dual-HVAC-transformer systems. The thermostat has a plurality of HVAC wire connectors including a first call relay wire connector, a first power return wire connector, a second call relay wire connector, and a second power return wire connector. The thermostat is configured such that if the first and second external wires have been inserted into the first and second power return wire connectors, respectively, then the first and second power return wire connectors are electrically isolated from each other. Otherwise, the first and second power return wire connectors are electrically shorted together.

Abstract: A light unit includes a bulb having a light source with lead wires and a separator, a switch member that includes a support member and a pair of spring terminals, and a socket having two or more conductive terminals and adapted to receive the bulb and the switch member. The switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket. The lead wires form an electrical connection across the conductive terminals and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket.

Abstract: An electrical connector assembly includes a connector, designed to connect to a mating electrical device while maintaining a closed circuit throughout. The electrical device includes conductive contacts. The electrical connector includes an insulating housing with at least a pair of input/output terminals mounted thereon. The terminals include contacts for engaging the electrical device. A switch mechanism, mounted on the housing for movement between connecting and disconnecting positions, includes a latch member and at least one switch terminal. In the connecting position, the latch member engages a latch on the electrical device with the switch terminal out of engagement with the input/output terminals. In the disconnecting position, the latch member disengages from the latch on the electrical device for removal from the assembly with the switch terminal in engagement with the input/output terminals to maintain a closed circuit throughout when the electrical device is removed.

Abstract: An electrical connection device for a gas control valve. In one embodiment the device has a first electrical insulation member with an aperture extending between top and bottom surfaces and a second electrical insulation member having a top face and a bottom face and situated in the aperture of the first electrical insulation member so that the top face resides in the aperture and the bottom face resides outside the aperture. A joint member connects the first and second electrical insulation members. The device also includes first and second electrical terminals that are electrically insulated from one another and wherein each extends from the second electrical insulation member through the joint member to a location outside the first electrical insulation member.

Abstract: The invention relates to a Switch connector for mounting on a printed circuit board, adapted to receive a mating connector in an insertion direction along an insertion axis. The switch connector comprises a shield, a contact element, and a contact spring having at least one fixed leg, at least one elastically deflectable switching leg, and at least one spring bend, the fixed leg and the switching leg extending from the spring bend in a common direction and passing the insertion axis. The switching leg is adapted to be moved by insertion of the mating connector from a rest position, at which the switching leg exerts a spring force onto the contact element, to a switching position, at which the switching leg is spaced apart from the contact element, at least one spring force flux that in the rest position is generated by the switching leg and guided in a closed loop to the fixed leg. To increase the reliability of the switching function, the shield is arranged in the closed loop of the spring force flux.

Abstract: An audio jack connector adapted for receiving a plug has a base having a socket. The base has a first terminal groove and a second terminal groove opened at one side of the socket. The second terminal groove is located between the socket and the first terminal groove and connects with the socket by means of a first connecting passage. A stationary switch terminal has a first fixing slice fastened in the second terminal groove, a first contacting end projected in the first connecting passage and an opening opened in first fixing slice. A resilient switch terminal has a second fixing slice fastened in the first terminal groove, a second contacting end projected into the socket through the first connecting passage and elastically received in the opening when the second contacting end is biased by the plug to be disconnected from the first contacting end.

Abstract: A light unit includes a bulb having a light source with lead wires and a separator, a switch member that includes a support member and a pair of spring terminals, and a socket having two or more conductive terminals and adapted to receive the bulb and the switch member. The switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket. The lead wires form an electrical connection across the conductive terminals and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket.

Abstract: A group protection module for a switchgear arrangement is provided in order to protect a group of load feeders, each having a contactor for connecting or disconnecting a respective load. The group protection module has a circuit breaker for providing short-circuit protection, said circuit breaker being connected to a supply-side input and to a load-side output of the group protection module for connection to a power supply system and for connecting the group of load feeders. The group protection module has a safety evaluation unit via which the circuit breaker can be tripped if a status signal detectable by the respective load feeders indicates that one of the contactors of the load feeders can no longer be de-energized. The group protection module is implemented as a constructional unit.

Abstract: The present invention relates to an electronic signal switching module with connectors on a first side for connecting with a variety of devices and sources and with jacks for receiving patch cords on a second side. The switching modules include two position switches in the circuitry connecting the jacks with the connectors which allow the module to be configured as a straight-through patching module, a fully normal module with paired jacks or a half normal module with paired jacks. One alternative of the invention utilizes card edge connectors on the first side. Another aspect of the invention involves a chassis for holding a plurality of switching modules adjacent to and electronically connected with a plurality of connecting modules. The switching modules may also include designation lenses adjacent to the jacks for holding indicia.

Abstract: An electrical connector includes a housing having a cavity configured to receive a plug therein. Contacts are arranged within the cavity for mating with a plug. The contacts include shield interfaces. A metal strip is arranged within the cavity and is electrically connected to a ground. The shield interfaces of the contacts engaging the metal strip when no plug is loaded in the cavity, and the shield interfaces disengaging from the metal strip when the plug is loaded in the cavity.

Abstract: A shorting terminal (40) includes a contact pieces (41) to be respectively brought into contact with a pair of laterally adjacent female terminal fittings (20) out of a plurality of female terminal fittings (20) arranged in vertical and lateral directions in an auxiliary connector (11), thereby shorting the pair of female terminal fittings (20), wherein releasing ribs (35) thrust themselves between the contact pieces (41) and the female terminal fittings (20) held in contact to release the pair of female terminal fittings (20). The both contact pieces (41) are arranged between the pair of laterally adjacent female terminal fittings (20).

Abstract: A light unit includes a bulb having a light source with lead wires and a separator, a switch member that includes a support member and a pair of spring terminals, and a socket having two or more conductive terminals and adapted to receive the bulb and the switch member. The switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket. The lead wires form an electrical connection across the conductive terminals and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket.

Abstract: An electrical shorting system includes an electrical switch having a first terminal, a second terminal, and a switching terminal. The electrical shorting system also includes a housing, a first contact in electrical communication with the first terminal of the electrical switch and supported by the housing, and a second contact in electrical communication with the second terminal of the electrical switch and supported by the housing. The electrical switch may be in a closed state in which the first contact is shorted with the second contact through the electrical switch, and when a voltage is applied to the switching terminal, the electrical switch is placed in an open state that impedes current flow through the electrical switch between the first contact and the second contact.

Abstract: A coaxial connector with a first connector element forming a socket, having a first body, a resilient return member, and a first central contact element having a first front end, the contact element being movable against the action of a resilient return member, at least in sliding relative to the first body; and a second connector element forming in particular a plug, arranged to be capable of being releasably connected to the first connector element, and the second connector element having a second body and a second central contact element with a second front end; the first and second central contact elements are arranged in such a manner that when the first and second connector elements are connected together, the contact elements bear one against the other via their front ends.

Abstract: A shunt for use in a socket of a string of lights resides in an otherwise typical lamp of a string of lights. The present shunt is a conductive spring held in position by a shunt housing between the two conductive terminals so that both of its curved lateral ends contact the terminals when the bulb holder is removed. When the bulb holder is inserted, a pushrod on the flat central portion of the conductive spring presses the spring down into a well in the shunt housing so that the curved lateral ends of the conductive spring are drawn away from the electrical terminals, thereby allowing current to flow through the Dumet wires to the filament.

Abstract: A mechanical shunt for use in a socket of a string of lights resides in an otherwise typical lamp of a string of lights. The present shunt is a coiled spring shunt inserted in part into a hole formed in one of the electrical terminals in the socket so that it is cantilevered toward the opposing electrical terminal. The bulb holder carries a projection or a “tooth” on its bottom corner that is interposed between the first, cantilevered end of the spring terminal and the first electrical terminal when the holder is inserted into the socket. When the bulb and holder are removed, the spring shunt resiliently returns to engagement with the first electrical terminal.

Abstract: A mechanical shunt for use in a socket of a string of lights resides in an otherwise typical lamp of a string of lights. The present shunt is a pair of cantilevered portions from the electrical terminals inside the socket of a lamp in a string of lights. The portions touch and conduct electrical current when no lamp holder is in the socket but are separated by a button on the bottom of the lamp holder when the lamp holder is not in the socket. The cantilevered portions are formed in such a way that they rub together when opening, closing or when the socket undergoes expansion and contraction with changing temperature in order to prevent the buildup of corrosion on the teeth on the end of the cantilevered portion that would preclude their ability to make good electrical contact when needed.

Abstract: A connector has an insulative housing, a plurality of terminals, switch terminal and a metal shell. The insulative housing has a base and a tongue. The base has a slit and an open slot communicating with the slit. The terminals are mounted in the base and the tongue of the tongue. The switch terminal is mounted in the slit and the open slot and has a mounting section, a contacting section and a soldering section. The mounting section is mounted securely in the slit. The contacting is mounted movably in the open slot. The metal shell covers the insulative housing. With the switch terminal, the connector is capable of activating and deactivating a circuit on a PCB for signal and power transmission depending whether a corresponding plug connector plugged into the connector.

Abstract: A connector block arrangement includes a first connector block housing having a row of first contacts, a second connector block housing having a row of second contacts in engagement with the first contacts when the connector block housings are in a connected condition, a conductive jumper device having a base portion and a plurality of resilient fingers normally connecting together a group of the second contacts, and an electrically-insulated code device carried by one of the housings for selectively disengaging from the jumper device at least one of the contacts of the second contact group. The code device has a planar generally comb-like configuration including a base portion arranged in an opening contained in either one of the connector block housings, and at least one code bar portion operable to separate a resilient finger of the jumper device from the corresponding contact to be disengaged.

Abstract: An electrical card connector (100) mounted on a Printed Circuit Board includes an insulating housing (1), a shell (2) mounted on the insulating housing and a terminal module (3). The insulating housing defines an accommodating room (14), and the shell defines a receiving slot (5) with the insulating housing for a card inserted. The terminal module comprises a plurality of terminals (30) and a position section (32) retained on the PCB. Wherein the terminal module is soldered on the PCB directly, and receiving in the accommodating room of the insulating housing separately.

Abstract: An electrical connector has a dielectric body having longitudinally opposite inner and outer faces and formed with a central cavity opening longitudinally outward at the outer face and a pair of side cavities flanking the central cavity and also opening longitudinally outward at the outer face, respective stiff contacts fixed in the side cavities and each having an outer end projecting longitudinally outward from the respective side cavity past the outer face, an elastically deformable generally U-shaped bridge clip having a bight in the central cavity and a pair of generally longitudinally extending arms each having an outer end projecting longitudinally outward from the central cavity past the outer face, each of the arm outer ends bearing transversely on a respective one of the contact outer ends in an uncoupled position of the connector. The bight is held in the cavity to retain the clip therein against longitudinal movement.

Abstract: An audio jack includes an insulative housing (10) including a tapered, inclined rear end (13) having four sides wherein two horizontal sides are wider than the other two vertical sides, all four sides being inclined and coupled together; first, second, third, and fourth terminals (21, 22, 23, and 24) disposed in respective grooves (131, 132, 133, and 134) and each having an outer terminal (212, 222, 231, or 241) inclined and projected from the rear end (13); a plate (20) in the housing (10) served as a plug stopper; and a metal shell (30) enclosing the housing (10) and including inclined legs 32. The housing (10) further comprises two internal cavities (1311, 1321) positioning two of the first, second, third, and fourth terminals (21, 22, 23, and 24) respectively. The third and fourth terminals (23 and 24) are served as a switch upon insertion and removal of a plug (4).

Abstract: An antenna switch (5) includes an insulative body (50), a guide element (52), a conductive element (53), an actuator (54) and a multiply of signal terminals (51). The conductive element is attached to the guide element, and includes two conductive pieces (531) being parallel and laterally offset with each other. The multiply of signal terminals is secured to the insulative body, and includes contact portions (5111) disposed in a linear line, being parallel to the two conductive pieces and extending toward the conductive element. The actuator is for driving the guide element together with the conductive element to be moveable longitudinally such that the guide element is driven to be at a position where some of the signal terminals are in direct contact with one of the conductive pieces.

Abstract: An automatic power line disconnect apparatus has a sensor pin for signaling the separation of the plug from the disconnect apparatus. The operative movement of the sensor pin is shorter than the length of the male electrical connectors on the apparatus, thereby insuring that the apparatus is disconnected from the power line before the electrical connectors' contact is broken to reduce electrical connector erosion from arcing. A motor driving a rack and pinion gear combination responds to an engine starter signal by driving the rack in a direction that disconnects the power line plug from the automatic disconnect apparatus. Further circuits are provided to lock out low voltage starter signals, photoelectric detectors to control movement of the rack, and timer circuits to limit the duration of the motor operation and to lock out starter signals when the disconnect apparatus is being separated from the power line plug.

Abstract: An electrical connector includes a first terminal fixed on a tubular housing and extending radially into the housing, a second terminal fixed in the housing and having an annular flange, and a conductive ring sleeved movably on the second terminal. The conductive ring has a curved inner annular abutting face. A biasing member biases the conductive ring to move toward the annular flange such that the annular flange comes into electrical contact with the inner annular abutting face of the conductive ring and that the conductive ring contacts electrically the first terminal. The conductive ring is pushed by an actuating sleeve sleeved movably on the second terminal to move away from the first terminal.

Abstract: An electrical shorting system includes an electrical switch having a first terminal, a second terminal, and a switching terminal. The electrical shorting system also includes a housing, a first contact in electrical communication with the first terminal of the electrical switch and supported by the housing, and a second contact in electrical communication with the second terminal of the electrical switch and supported by the housing. The electrical switch may be in a closed state in which the first contact is shorted with the second contact through the electrical switch, and when a voltage is applied to the switching terminal, the electrical switch is placed in an open state that impedes current flow through the electrical switch between the first contact and the second contact.

Abstract: The invention relates to a Microswitch connector (11), having an insulating housing (13) with a contact chamber (31) with an insertion opening (15) and a contact switch spring (25) arranged in the contact chamber (31). The housing (13) has an electrically conductive stop (59) on a side of the contact chamber (31) remote from the insertion opening (15) for making a first external electrical connection. The contact switch spring (25) has a spring bend connecting a fixed leg (37) to a switch leg (39). The fixed leg (37) is fixed in the housing (13) outside the insertion path of the plug-in contact with a connection end (45) for making a second external electrical connection, and the switch leg (39) extends obliquely into the insertion path in the direction of the stop (59) and pivotal resiliently relative to the fixed leg (37) with a free end (57) pre-tensioned to rest against the stop (59).

Abstract: An electrical connector includes a housing that may form a first contact channel and a second contact channel. A first contact having a longitudinal axis may be disposed within the first contact channel, and a second contact may be disposed within the second contact channel. A shorting arm may be configured to move generally parallel to the longitudinal axis of the first contact between a first position and a second position. When the shorting arm is in the first position, the shorting arm electrically connects the first contact with the second contact, and when the shorting arm is in the second position, the shorting arm is separated from the first and second contacts.

Abstract: The electric connector includes: at least two terminal fittings; a connector housing including terminal-receiving chambers each receiving the terminal fitting and having a locking piece for locking the terminal fitting; and a short circuit terminal for electrically connecting the two terminal fittings to each other, wherein when the connector is coupled with a mating connector, electrical connection between the two terminal fittings attained by the short circuit terminal is removed, wherein when the terminal fitting is inserted into the terminal-receiving chamber, the locking piece is once resiliently deformed and thereafter locks the terminal fitting, wherein the connector housing is provided with a bending space in which the locking piece is positioned when the locking piece is resiliently deformed, wherein the short circuit terminal includes a resilient contacting piece which passes through the bending space and comes in resilient contact with one terminal fitting of the two terminal fittings.

Abstract: An audio jack connector suitable for connecting to a plug is provided. The audio jack connector includes an insulating housing, a set of switch terminals, an insulating wrap and a plurality of signal terminals. The insulating housing includes an inserting hole and a chamber. The inserting hole is linked to the chamber. The set of switch terminals includes a first terminal and a second terminal disposed on the corresponding sidewall of the chamber. The second terminal has a contacting part and the insulating wrap covers a portion of the contacting part. The signal terminals are also disposed on the sidewall of the chamber. When the plug is inserted into the chamber, a portion of the contacting part uncovered by the insulating wrap is electrically connected to the first terminal while the portion of the contacting part covered by the insulating wrap is electrically insulated from the plug.

Abstract: An electrical connector generally includes a housing having at least a first electrical terminal and a second electrical terminal. A shorting bar slidably connects to the housing and has at least a first spring portion and a second spring portion. The shorting bar is movable between a shorted condition and a non-shorted condition. The spring portions on the shorting bar are in a relaxed position in the non-shorted condition. Because the connector is typically in the non-shorted condition, the spring portions are less susceptible to stress relaxation.

Abstract: A signal connector is provided according to the invention which signal connector relates to a signal connector used to connect to an electronic circuit and can be switchedly operated between two signal sources. The elements needed are simplified so that the signal connector can reduce the prime cost.

Abstract: An audio connector has an insulated case, an inner and outer contact and a slide. The insulated case has a central socket and second and first inner recesses that communicate with the central socket. The second inner recess has a guide channel. The inner contact is mounted in the first inner recess and selectively protrudes into the central socket. The outer contact is mounted in the second inner recess, and has an outer resilient contact, a resilient switch contact and a stationary switch contact. The outer resilient contact selectively protrudes into the central socket. The resilient switch contact has a distal end that aligns with the guide channel. The slide is mounted movably in the guide channel and is pressed into the central socket by the resilient switch contact. When a jack is inserted into the central socket, the slide keeps the jack from damaging the outer resilient contact.

Abstract: The coaxial connector having a switch includes a switching spring and a connecting plate, which composes a pair of switching means as a switching mechanism arranged in the hollow portion of the insulating housing. The switching spring and the connecting plate extend along the inserting/removing direction of the counter pin into/from the hollow portion, and have shapes so as to face each other in the hollow portion. The switching spring is comprised of a securing section for securing to the insulating housing and a generally S-shaped elastic arm, which is comprised of a generally U-shaped first elastic arm, which extends from the securing section into the hollow portion, and a generally inverted U-shaped second elastic arm that extends from the first elastic arm.

Abstract: The present invention is to provide a power outlet comprising two elastic pieces being formed at the rears of two insertion holes of the outlet panel, wherein one end of each elastic piece, including a fastening hole corresponding with the insertion holes, is disposed on a fastening board connected with the outlet panel and the other end of each elastic piece facing a base of a chassis of the power outlet is connected with one end of an elastic element. The other end of the elastic element is connected with the base of the chassis. In addition, a switch comprising a spring is connected between the fastening board and the base of the chassis, when the panel being compressed towards the inside of the chassis, the switch can be locked in position, enabling a user to safely and easily operate the electricity power outlet.

Abstract: A plurality of switch connectors are arranged in each of a plurality of memory slots. Each of the plurality of switch connectors includes a first-type connector pin and a second-type connector pin. The first-type connector pin is coupled to one of a plurality of signal lines of a memory bus. The second-type connector pin is coupled to impedance matching circuits included in an load circuit. In each of the memory slots in which the memory module is not inserted, a pair of the first-type connector pin and the second-type connector pin provide flexible electric contact. In each of the memory slots in which the memory module is inserted, the first-type connector pin and the second-type connector pin are physically separated and insulated from each other. The first-type connector pin provides electric contact with module pins of the memory module.

Abstract: A self-normalling jack with a magnetically controlled normal circuit, switch or relay comprising a pair of receptacles having a sensing means for sensing the insertion of a plug, the sensing means in communication with an electronic normalling circuit, switch or relay, the electronic normalling circuit, switch or relay in communication with a paired receptacle such that the electronic normalling circuit, switch or relay is located between the source terminal and the source jack and between the destination jack and the destination terminal. The sensing means being the interruption or non-interruption of the magnetic field by the presence or absence of a patch cord in the jack respectively.

Abstract: A jack having switch is constituted so that a movable armature is displaced so as to be separated from a fixed armature which contacts with the movable armature by insertion of a plug, the plug and the movable armature are brought into a contact state, and this state is maintained. The movable armature has two-pronged branch portions along a plug insertion/uninsertion direction, and the branch portions have plug contact portions which are expanded to be displaced outward by the plug to be inserted therebetween and hold the outside of the plug so as to be connected to the plug. The branch portions have fixed armature contact portions which contact with the movable armature arranged to be opposed to the branch portions when the plug is not inserted.

Abstract: A connector housing has a longitudinal axis and includes a first housing portion, having a front end face and a rear end, and at least two accommodation chambers extending parallel to the longitudinal axis, and receiving respectively an electrical contact element, and having a connector tab. The accommodation chambers have, respectively, an insertion opening for a mating contact element and an exiting opening for the connector tab, open to the front end face. An elastic locking arm is provided for each accommodation chamber for retaining the contact element in the accommodation chamber. A second housing portion is formed integrally with the first housing portion and forms an accommodation chamber, into which a portion of a housing of a mating connector can be inserted. The second housing portion has contact elements having female contact terminals, which can be electrically connected to the contact elements.

Abstract: A power supply unit for electronic devices has an insulating battery pack holder with a hollow portion to accommodate a battery pack detachably; a plurality of connector contacts and a switch contact formed of conductive metal and disposed inside the battery pack holder, part of each connector contact protruding toward the hollow portion, the switch contact capable of detaching from or attaching to a predetermined one of the connector contacts with a moving contact portion. When the battery pack is accommodated in the hollow portion, its electrode terminals elastically touch corresponding connector contacts to be conductively connected to a driver circuit. In removal of the battery pack from the hollow portion, when the predetermined connector contact protrudes into the hollow portion by a predetermined distance according to a reduction in urging force of the electrode terminal, the predetermined connector contact touches the switch contact to output a detection signal.

Abstract: An earphone jack includes a dielectric housing, a conductive first contact set, and a conductive second contact set. The housing has a first housing portion formed with a cylindrical first plug receiving hole, and a second housing portion connected to the first housing portion and formed with a rectangular second plug receiving hole. The first contact set includes first, second and third resilient contacts, each of which has a resilient plug contacting portion that extends into the first plug receiving hole. The second contact set includes a pair of first terminals and a pair of second terminals. The first terminals extend into the second plug receiving hole, and are disposed proximate to a lower side of the second housing portion. The second terminals extend into the second plug receiving hole, and are disposed proximate to an upper side of the second housing portion.

Abstract: Contact elements of a plug-in mount are connected in an electrically conducting manner to conductive contact zones on a surface of a substrate after the plug-in mount has been loaded with a switching assembly and are electrically isolated from the signal lines in the unloaded state. Therefore, higher clock rates for the signals transmitted on the signal lines are made possible in not completely expanded systems having empty mounting locations.

Abstract: An electrical connection system includes (1) a jack holding a pair of pins, (2) a plug holding a pair of electrical terminals respectively engaging with the above pins, (3) a shorting clip provided in the above jack for electrically shorting out the pins each other, (4) a latch unit provided in the above plug and (5) a cover provided in the above jack so as to be freely rotatable. The latch unit is movable between a first position where the shorting clip shorts out the pins and a second position where the shorting clip is moved to a non-shorting position. Rotation of the cover allows the plug to engage with the jack and the above latch unit to move to the above second position.

Abstract: A coaxial electrical connector includes a tubular body, first, second and third insulator members, a contact piece, and a central conductor unit. The tubular body defines a through hole, and is formed with a radial hole. The first and second insulator members are mounted in the through hole and are spaced apart from each other. The third insulator member is mounted in the radial hole. The contact piece extends into the third insulator member. The central conductor unit is supported in the through hole by the first and second insulator members, and includes a first conductor component coupled telescopically to a second conductor component. The first conductor component is movable to make or break contact with the contact piece.

Abstract: An electrical connector assembly has first and second connector units which are connectable with each other. One of the connectors has a shell which has a variable number of tabs projecting therefrom. The number and position of the tabs can be selected so that different connectors can be distinguished from each other. A set of switches are mounted on a base adjacent the other connector. The switches are engagable tabs so that the status of the switches represents the number and position of the tabs, thereby generating electrical signals uniquely identifying the connectors.

Abstract: A jack assembly includes a contact switching system for receiving a coaxial plug. The assembly includes an insulative housing having a plug-receiving chamber. A fixed terminal is mounted on the housing and has a fixed switch contact portion located outside the chamber. A moveable terminal is mounted on the housing and includes a spring arm located inside the chamber in the path of insertion of the coaxial plug. A movable switch contact portion is connected to the spring arm for movement therewith into and out of engagement with the fixed switch contact portion. The movable switch contact portion is located outside the chamber. Therefore, engagement of the coaxial plug with the spring arm inside the chamber is effective to cause relative movement of the switch contact portions outside the chamber.

Abstract: A connector assembly (2) includes and arc prevention shunt (20) in one of two mating electrical connectors (10, 30). The shunt (20) engages a terminal (34) when the connectors (10) and (20) are in a partially mated configuration. If the terminal (34) is hot, current will pass from the shunt (20) to a relay coil (62) to close contacts (64) in a Form C relay (60). When the normally open switch contacts (64) are closed a bypass circuit (52) disconnects the terminals (14, 34) in the connectors (10, 30) so arcing will not occur when the connectors (10, 30) are mated or unmated under load. When the connectors (10, 30) are in the fully mated or fully unmated, the shunt (20) is electrically isolated from the terminals (14, 34).