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: A device includes: an elastic holder 10 for accommodating a coin type button battery 2 and a multiple number of connecting terminals 20 arranged in the outer periphery of the bottom of elastic holder 10. The elastic holder 10 is formed of an insulative, approximate cylinder with a base. The plural connecting terminals are integrally formed with the bottom. Each connecting terminal 20 is composed of an insulative elastic rubber 21 formed at the bottom of elastic holder 10 and a multiple number of fine conductive wires 22 arrayed and embedded in elastic rubber 21 with their length oriented in the thickness direction of the bottom of elastic holder 10 so as to be in contact with negative and positive poles 3 and 4 of button battery 2. It is possible to reduce the number of parts, make assembly simple and quick, hence improve assembly performance. For example, even if some vibration or impacts act on the device, there is no fear of the device malfunctioning.

Abstract: A connecting mechanism for a battery case and a main body of a portable electronic device includes a main body (10), a connecting member (20), a cover (30), and a shaft (40). The main body has a receptacle (162), and a recessed portion (192) for receiving the battery case. The connecting member has a body (22) and one or more mounting portions (24). The cover defines a sliding space. The shaft extends through the mounting portions and is received in the receptacle. Thus the connecting member is rotatable relative to the main body about the shaft. The connecting member is received in the sliding space and can slide along the sliding space relative to the cover. Thus the cover is both rotatable and slidable relative to the main body, and need not be detached from the main body.

Abstract: A microphone assembly for installation on a surface in a cabin of a vehicle to electrically couple the microphone with a vehicular communication system is disclosed. The assembly comprises a microphone having an outer surface and a plurality of microphone contacts fixedly secured to the outer surface and means for securing the microphone to the surface in an orientation to electrically couple the plurality of microphone contacts to a respective plurality of fixedly secured system contacts to couple the microphone with the vehicular communication system.

Abstract: A portable energy source includes a case defining a battery compartment having an opening, a cover that covers the opening of the battery compartment, a power inverter mechanically coupled to the cover and adapted to be electrically coupled to the battery by leads disposed on the case when the cover is disposed to cover the opening of the compartment.

Abstract: A battery has terminals located on one face of the battery rather than on one end of the battery. The terminals are sized and shaped to be accommodated in terminals that are present in the circuits of existing fire/smoke detector units. The battery is a single function battery and is useable only in a fire/smoke detector unit.

Abstract: An apparatus that prevents standard dry cell batteries from being installed in a battery compartment in a reverse polarity arrangement. The battery compartment operationally houses at least one dry cell battery having a cylindrical casing with positive and negative terminal surfaces on opposing ends thereof. The positive terminal surface has a button protruding from the casing. In this aspect of the invention, the battery compartment is configured with positive and negative device contacts disposed in opposing ends of each battery cradle of the battery compartment to contact positive and negative terminals, respectively, of a dry cell battery installed therein. The battery compartment also comprises a reverse polarity exclusion device disposed in each battery cradle. The device is interposed between the positive device contact and a dry cell battery installed in the battery cradle.

Abstract: An electrical connector system is provided for a mobile phone which includes a lower housing disposed beneath a printed circuit board having a plurality of circuit traces on a bottom side thereof. The housing includes at least one cavity in an upper side thereof opposite the bottom side of the printed circuit board. A connector module is positionable in the cavity and includes a frame having at least one connector thereon. The connector has at least one flexible contact for surface-engaging a respective circuit trace on the bottom side of the printed circuit board. A complementary interengaging mounting structure is provided between the frame of the connector module and the lower phone housing to releasably mount the module in the cavity. Thereby the module easily can be selectively removed from the housing for repair or replacement purposes.

Abstract: A cell connector bar or strap for connecting or coupling electric cells, both electrically and physically, is provided with a heat-sink for dissipating heat generated by the cells when charging rechargeable cells and during rapid discharge of the battery formed by the coupled cells. The heat-sink, in its preferred structure is a plurality of heat dissipating elements, such as extending fingers, extending from the body of the cell connector bar.

Abstract: In order to provide a microphone holder which can hold a microphone tightly and the holding operation can be performed easily, a microphone holder 10 comprises a holder casing 13 having an opening section 12 in one end of which a microphone 11 can be inserted and a connecting terminal 15 supported by the holder casing 13 so as to connect electrically the microphone 11 inside the holder casing and an outer section, the holder casing 13 comprises a side wall 20 and a bottom wall 21 communicating the side wall 20, an undercut sections 24 are provided on the upper edge of the side wall 20, the inside edge section 20 of the connecting terminal 15 is usually in the position having a space between the inside surface of the holder casing 13 and the inside edge section 20; thus, when the microphone 11 is inserted in the holder casing 13, the microphone 11 is held by being put between the undercut sections 24 and the inside edge section 29.

Abstract: An information processing unit and batteries which can be carried with ease even if the batteries have been attached. Includes a main body division for executing given information processing; a first battery division which is attached to the first surface on the rear side of the main body division and is standing out from a second surface adjoining the first surface of the main body division; and a second battery division which is held onto an edge portion on the side of the first battery division which the edge portion stands out from the second surface, such that it can rotate freely in a direction to approach the main body division and also in the reverse direction to depart from the main body division, and one surface of the second battery hits the second surface when rotated in the direction to approach the main body division.

Abstract: To provide battery-driven equipment whereby when a vibrator is installed into a housing of the battery-driven equipment, a body of the battery-driven equipment is reduced in thickness while improving workability of installation and positively holding a vibrator to increase reliability and positively holding the vibrator to increase electrical and mechanical reliability. In the present invention, feeding terminals are caused to protrude to a rear of the vibrator from a bottom of a case of the motor in such a way that the feeding terminals of the vibrator and feeding lands of the battery-driven equipment are electrically connected within a height range in the diameter direction of the vibrator, and the feeding terminals protrude within the height range in the diameter direction of the vibrator while tilting with respect to an extending line of a rotation axis.

Abstract: The battery connector (1) comprises an insulative housing (2). The housing comprises a bottom surface (210) and a plurality of peripheral side walls (22). The bottom surface and the side walls cooperatively define a cavity (21) therebetween for receiving a coin battery therein (5). The bottom surface defines a recess (212) below and in communication with the cavity, for accommodating a first contact (3). The first contact comprise a flat contact portion (310 for connecting with the coin battery, a tail portion (32) for engaging with the printed circuit board, and a connecting portion (33) interconnecting the contact portion and the tail portion. The contact portion has a generally flat looped configuration. A plurality of raised contact points (310) is provided on the contact portion at uniform intervals.

Abstract: This invention proposes an on/off switching device for a battery-powered electric or electronic apparatus or component. The apparatus or component encompasses a battery compartment (3) as well as a battery holder assembly (7, 9) by means of which the battery (11) can be rotated out of and extended from the compartment. In the extended position of the holder, the battery can be turned in and/or with the holder.

Abstract: A retainer clip for holding a battery to an electronic device is disclosed. The retainer clip includes at least three arms that join together at an intersecting point. The intersecting point is urged toward the electronic device to which the retainer clip is coupled to hold more securely the battery in position. It is noted that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to ascertain quickly the subject matter of the technical disclosure and is not be used to interpret or limit the scope or meaning of the claims.

Abstract: An electric power strip with cell charging receptacle including a plurality of plug connecting portions located in a socket body and at least one secondary cell receiving portion located in an opening in an outer surface of the socket body for charging a secondary cell, the plug connecting portions and the cell receiving portions connected by a plurality of conductors for connection to a power source.

Abstract: A button battery having a circular plus terminal formed around its outer periphery is electrically connected to a circuit board through a connector mounted on the circuit board. The connector includes a pair of resilient arms contacting the plus terminal, a main stay formed at a rear side of the arms and an auxiliary stay formed at a front side of the arms. Both stays for supporting the connector are fixed to a surface of the circuit board by soldering. Since the connector is supported at both sides thereof by two stays, the stays can be made in a small size that is enough to secure strength for fixing the connector to the circuit board by soldering.

Abstract: An electronic component is provided that includes a printed circuit board having first and second battery contacts. A battery clip having a bottom portion is connected to the first battery contact. The battery clip also includes a top portion spaced from the printed circuit board with a tab extending from the top portion in a downward direction toward the printed circuit board. A coin cell battery is arranged between the battery clip and the second battery contact. The present invention battery clip biases the battery into engagement with the second battery contacts with the tab. The second battery contacts may be provided by a solder bump or a printed circuit preferably arranged in a criss-cross waffle shaped pattern. The battery clip is secured to the first battery contacts preferably by applying a solder paste that is heated to electrically join the battery clip to the first battery contacts.

Abstract: Few portable electronic devices have built in solar powered recharging device for providing additional charge for the portable units. This special SOLAR PANEL ADAPTER (for Camcorders, portable CD players, radios, cell phones) sandwiches between the spring loaded connector of the electronic apparatus and the rechargeable battery (FIG. 4B) It allows the user to keep the rechargeable battery connected while a solar panel charges the battery, extending the usage time. This is especially useful on longer trips, out in the open camping, hiking, walking where no recharging is available. 1 REFERENCES IN US PATENTS 6,084,379 Buniatyan, Spartak July 2000 Solar powered recharging device D364889 Goldmaster Solar charged radio 5701067 December 1997 Kaji et al. 5814906 December 1996 Spencer, Jerald 4537838 August 1985 Jetter et al. 4686441 August 1987 Petterson 4786851 November 1988 Fuji et al. 5133810 July 1992 Morizane et al.

Abstract: An electronic ignition device for a gas grill is disclosed. The ignition device comprises a housing having a recess therein for the receipt of the battery and a cap with a rotatable clip therein to hold the old battery during the removal process from the recess and to hold the new battery during the insertion process into the recess. The clip and battery remain substantially stationary within the housing of the electronic ignition device as the cap is threadably received thereon. The terminals on the battery engage electrical contacts within the housing of the electronic ignition device after the battery has been inserted therein. An O-ring is provided between the cap and the housing to provide a seal therebetween protecting the electronic ignition device from the outside environment.

Abstract: An electronic equipment comprises a battery storage section that may store two types of rectangular battery which are mutually different in thickness, and a cover that covers the battery storage section, in which the electronic equipment is operative upon receipt of an electric power from the rectangular battery stored in the battery storage section. The battery storage section has a holding member movable between a holding position in which a thin rectangular battery is held and a save position in which it is permitted that a thick rectangular battery is stored in the battery storage section. The cover has a stopper section that stops the holding member at both times when the holding member is at the holding position and when the holding member is at the save position.

Abstract: An improved electric connecting element for piezoelectric plates has an elastic section connecting to an electric connection spot of a piezoelectric plate. The elastic section has one end extending to form a latch section to fasten to a circuit board and another end extending upwards above the piezoelectric plate to form a retaining section to constrain the piezoelectric plate from being shaken loose. Thereby the piezoelectric plate has a better electric connection and can be prevented from escaping under excessive shaking.

Abstract: A solar cell includes electrodes coated with lead-free solder. This solar cell can provide satisfactory output characteristics and also does not cause lead pollution.

Abstract: Systems and methods are described for a connector mounting. A method includes: providing a connector mounting with a compressive connector bracket and a channel conduit; inserting a connector into the connector mounting via the compressive connector bracket; and resting a connector feed assembly in the channel via a connector feed assembly pass-through slot by penetrating a volume defined by the connector feed assembly pass-through slot with the connector at an angle to a principle plane defined by the connector mounting and then rotating a proximal end of the connector toward the principle plane.

Abstract: A quick coupler for connecting power from a wire to a cylindrical terminal of a battery includes an insulted mask having a top plate, a cylindrical wall and an open end forming an internal cavity. A metal disk and a plurality of elastic metal strips are mounted in the internal cavity. The elastic metal strips are downward extended from a periphery of the metal disk and spaced from each other. The lower section of each elastic metal strip is formed with an outward inclined section which is engaged with an inward edge formed on the interior surface at the open end of the cylindrical wall of the insulated mask. The interior surface wall of each elastic metal strip is formed with a plurality of transverse ribs for enhancing contact with the cylindrical terminal of the battery.

Abstract: An integrated circuit having a crack detection structure. A control structure is formed having interleaved electrically conductive layers and non electrically conductive layers in a vertical orientation. Electrically conductive vias are disposed vertically through all of the non electrically conductive layers, which vias electrically connect all of the electrically conductive layers one to another. A test structure is formed having a bonding pad for probing and bonding, with underlying interleaved electrically conductive layers and non electrically conductive layers disposed in a vertical orientation. At least one of the non electrically conductive layers has no vias formed therein, simulating active circuitry under other bonding pads of the integrated circuit. At least one of the interleaved electrically conductive layers of the control structure extends from within the control structure to within the test structure as a sensing layer.

Abstract: A button battery having a circular plus terminal formed around its outer periphery is electrically connected to a circuit board through a connector mounted on the circuit board. The connector includes a pair of resilient arms contacting the plus terminal, a main stay formed at a rear side of the arms and an auxiliary stay formed at a front side of the arms. Both stays for supporting the connector are fixed to a surface of the circuit board by soldering. Since the connector is supported at both sides thereof by two stays, the stays can be made in a small size that is enough to secure strength for fixing the connector to the circuit board by soldering.

Abstract: A battery connector includes a number of connector blocks (1) each including an insulative housing (10) and a terminal (3) retained therein. The insulative housing has a mating face (11), opposite sidewalls (14) and a pair of slabs (16). Each sidewall and a corresponding slab define a passageway (17) therebetween. A pair of apertures (18) is defined through the sidewalls communicating with the passageways. The terminal includes a fixing portion (31) and a contact portion (30). The fixing portion includes a base section (32) and a pair of limbs (33) extending from the base section engaging with the passageways. Each limb forms a protrusion (331) thereon engaging with the aperture. The contact portion protrudes beyond the mating face to engage a terminal (50) of a rechargeable battery (5).

Abstract: A portable lighting product includes a lamp and a lamp holder. The lamp holder has a positive terminal and a negative terminal spaced from the positive terminal for connection with respective terminals on a power source. One of the terminals includes a snap-fitting, pivotable, and electrically conductive battery terminal. Another of the terminals includes an electrically conductive clasp configured to mate in urgable engagement with a terminal of a power source.

Abstract: An electronic equipment comprises a battery storage section that may store two types of rectangular battery which are mutually different in thickness, and a cover that covers the battery storage section, in which the electronic equipment is operative upon receipt of an electric power from the rectangular battery stored in the battery storage section. The battery storage section has a holding member movable between a holding position in which a thin rectangular battery is held and a save position in which it is permitted that a thick rectangular battery is stored in the battery storage section. The cover has a stopper section that stops the holding member at both times when the holding member is at the holding position and when the holding member is at the save position.

Abstract: A test device for internet and telephone lines is provided. The test device includes: a main test set having a stretched casing in which a first circuit board is installed, wherein an internet plug and an internet receiving socket are soldered on the first circuit board and a connecting portion is located on one end of the main test set, the internet plug being formed on the connecting portion; and a secondary test tool having a stretched casing in which a second circuit board is installed, wherein an internet plug and an internet receiving socket are soldered on the second circuit board and a recessed connecting portion is located on one end of the secondary test tool, the internet receiving socket being formed on the recessed connecting portion.

Abstract: A printed circuit board with a coin type electric element of the present invention has the coin type electric element, and printed circuit board, on which the coin type electric element is fixed by soldering. The coin type electric element have a coin exterior case formed of metal and in a coin shape with an opening; a sealing plate, which is fixed on the opening of the coin exterior case, sealing the coin exterior case; and an insulating seal interposed between the coin exterior case and the sealing plate. The coin exterior case and the sealing plate are composed of a pair of terminals, A lead, whose tip portion is bent toward a surface side of a first terminal face, is connected to a second terminal face of the coin type electric element. A soldering face to be soldered by reflow soldering is provided at the tip portion.

Abstract: A coin battery connector includes an insluative housing having a flat base and two pairs of walls extending from the flat base, defining a cavity therebetween for receiving a coin battery. Positive and negative terminals are mounted to the housing for respectively engaging positive and negative electrodes of the battery. The positive terminal includes a base secured to the housing and a contact panel extending from the base for engaging the positive electrode of the battery. Two retention arms extends from the contact panel and have a major surface inclined with respect to an insertion direction of the battery for guiding and facilitating insertion of the battery into the housing. The retention arms have downward directed free ends for engaging and retaining the battery in the housing. A spring tab is formed on the contact panel for biasing the battery against the downward directed ends of the retention arms.

Abstract: A holding device for at least one electronic component (1) which is made up of a first plate-shaped leg (2) and a second plate-shaped leg (3) is specified, the two legs (2; 3) being connected to each other at one of their leg ends and forming in relation to each other a substantially orthogonal angle, the first leg (2) and the second leg (3) in each case having a leg inner wall (4; 5) facing the substantially orthogonal angle, the leg inner wall (4) of the first leg (2) having a receiving surface (6) for the resting of a lateral surface part of the electronic component (1) and the leg inner wall (5) of the second leg (3) having at least one pressing surface (7) for the surface-area contacting of a surface part of the component (1) comprising an electrical terminal.

Abstract: A tablet PC has a body including a printed circuit board, a battery and pen holder. A first connector is fixed to the printed circuit board, and a second connector is fixed to the battery. The second connector is engageable with the first connector when the battery is mounted on the body. A stopper is provided on the printed circuit board to regulate the position of the battery when the battery is mounted on the body. The body has a battery-accommodating portion having an end wall having an opening. The first connector is exposed from that opening.

Abstract: A waterproof cell cabinet comprised of a hollow casing, a cell holder, a connection disk, a lid and a pair of locking plates; the casing being adapted with a coupling flange and two positioning channels on the inner circumference of the coupling flange and containing a retaining plate with resilient member and the cell holder in the casing, multiple rooms in the center of the casing with each provided with an induction coil; the connection disk being adapted to the front of the cell holder and integrated with two fixtures sandwiching a dovetail one end, and two retaining plates on both sides of the other end; the lid having on its one end provided with a dish and a rib at the center of the dish; two wings being provided on the outer circumference of the lid and a locking button extending from the other end of the lid to lock into the dovetail; two semi-circular locking plates each containing a semi-circular channel being provided between the connection disk and the lid; two fixation blocks being provided on t

Abstract: A battery pack system for hand power tools has a plurality of battery packs having different sizes, each of the battery packs having a housing with one side provided with a contact elements for an electrical connection between the battery pack and an electrical drive of a hand power tool and with arresting elements for fixing the battery pack on a housing of a hand power tool, wherein in all the battery packs a geometry of the arresting and contact elements is identical.

Abstract: A battery holder (1) comprises an insulative housing (10) defining a receiving space (15) for receiving a battery (40) and a pair of negative and positive conductive contacts (20, 60) fastened to opposite ends of the housing. Each of the negative and positive conductive contacts forms a base section (22, 62), a spring arm (26, 63) extending from one end of the base section for electrically connecting with a corresponding negative or positive terminal of the battery, and a soldering tail (25, 66) extending from another end of the base section for soldering to a circuit board. Furthermore, one of the first and second conductive contacts forms a pair of clip members (64) extending from opposite sides of the base section for conductively abutting against an outer surface (45) of the battery for preventing the battery from moving or offsetting under variation situations.

Abstract: This invention provides a multipurpose USB connector for charging batteries of various portable electric apparatuses. A connector includes a main body, a circuit unit, an input connector, an output port, an output line, and a battery connecting base. The main body is a hollow casing consisting of a first half and a second half. The output connector, output port, and battery connecting base are electrically connected with the circuit board. The input connector is a universal serial bus (USB) connector.

Abstract: A battery holder (1) comprises an insulative housing (10) defining a receiving space (15) for receiving a battery (40) and a pair of negative and positive conductive contacts (20, 60) fastened to opposite ends of the housing. Each of the negative and positive conductive contacts forms a base section (22, 62), a spring arm (26, 63) extending from one end of the base section for electrically connecting with a corresponding negative or positive terminal of the battery, and a soldering tail (25, 66) extending from another end of the base section for soldering to a circuit board. Furthermore, one of the first and second conductive contacts forms a pair of clip members (64) extending from opposite sides of the base section for conductively abutting against an outer surface (45) of the battery for preventing the battery from moving or offsetting under variation situations.

Abstract: A battery adapter (A) replaces two batteries (10) with a single battery (10) housed within a compartment (48) of a battery powered electrical device (D). An electrically conductive housing (40) adapted to replicate a selected battery and fit within a space adapted to house two of the selected sized batteries. A step up circuit (18) mounted within the battery housing (40) receives an electrical signal from a single battery (10) and transforms the voltage of the electrical signal to simulate an electrical signal from two electrically connected selected batteries (10).

Abstract: An adaptor for a flashlight, the flashlight having a front lens housing and bulb, a power housing secured to the lens housing, the power housing having a plurality of C or D battery types in series and an end cap secured to said power house, the adaptor means in a first embodiment being a first conductor secured in a first insulator and interposed between said first battery and said bulb, a second insulating means secured about a second conductor means and secured to the end cap biasing means, said first conductor means and said second conductor means in electrical communication, a two prong, two conductor adaptor means secured through the face of the end cap and in electrical contact with the second conductor means when the end cap is secured to the power housing, the two prong, two conductor adaptor adapted to receive an electrically conducted communication means which communication means would have an appropriate plug in its opposing end for engagement with a jack on an electrical instrument having a deple

Abstract: A button battery is installed in a electronic device such as a signal transmitter and electrically connected by a terminal contacting a flat electrode terminal of the button battery. The terminal has a circular spring-contact member surrounding a terminal base, and the spring-contact member is connected to the terminal base by a pair of connecting portions. The terminal base is fixed to a substrate by soldering. Since the spring-contact member is formed in a circular shape, its length can be made sufficiently long to make its spring modulus low and to reduce spring-load imposed thereon, thereby avoiding plastic deformation of the spring-contact member. The terminal base soldered to the substrate is prevented from being peeled off by eliminating twisting force applied to the spring-contact member.

Abstract: An electronic ignition device for a gas grill is disclosed. The ignition device comprises a housing having a recess therein for the receipt of the battery and a cap with a rotatable clip therein to hold the old battery during the removal process from the recess and to hold the new battery during the insertion process into the recess. The clip and battery remain substantially stationary within the housing of the electronic ignition device as the cap is threadably received thereon. The terminals on the battery engage electrical contacts within the housing of the electronic ignition device after the battery has been inserted therein. An O-ring is provided between the cap and the housing to provide a seal therebetween protecting the electronic ignition device from the outside environment.

Abstract: A supporting device includes a housing for receiving one or more batteries. A spring blade has a middle flap and an end limb secured to the board, and includes a bent segment for engaging with the batteries. Another spring blade is engaged through the board for attaching to the circuit board, and includes a panel for detachably securing the battery to the housing. The board has two legs for spacing the board from the circuit board.

Abstract: An apparatus for retaining a gold plated battery on a circuit board comprises a gold plated circular cover plate having a circumference, a plurality of support legs extending axially from the circumference of the gold plated circular cover plate, a plurality of prongs extending from each support leg wherein each prong is adapted to fit in respective prong holes on the circuit board, and a gold plated electrical conductor with at least first and second contacts, the first contact adapted for connection to the gold plated battery, and the second contact adapted for connection to an electrical circuit. The support legs extending from the circumference of the circular cover plate are rigid which insures alignment when inserted in to a circuit board. Accordingly, the apparatus is well suited for surface mount technology. The gold plated electrical contacts provide maximum conductivity to the electrical circuit.

Abstract: An electric power for many electronic devices is supplied through a receptacle device having a plurality of plug receiving portions or sockets (outlets). Some of the electronic devices uses electric cells as power sources of low voltage. A shortage of sockets for charging the cells becomes a problem.

Abstract: A battery holder for a microelectronic device, said holder comprising a frame having a substantially circular base and a curved portion with an upper and a lower surface. The curved portion encloses at least part of the substantially circular base, and the frame is adapted to hold a battery. A first conductor extends from a first part of the curved portion to a second part of the curved portion, and wherein a first end of the first conductor is positioned within the first part of the curved portion and wherein a second end of the first conductor is positioned within the second part of the curved portion. A movable member is positioned on the curved portion and adapted to provide an electrical connection between the second end of the first conductor and a point of contact within the second part of the curved portion.

Abstract: A portable wire reel capable of doing emergency charging work is provided. The wire reel includes a main body having a chamber therein and a wire slot thereon; a circuit unit disposed in the chamber; a universal serial bus (USB) connector electrically connected with the circuit unit; an input line having one end electrically connected with the circuit unit and the other end connected with a plug, wherein the input line is wound around the main body lengthwise within the wire slot; and a battery connecting base electrically connected with the circuit unit.

Abstract: A coin battery connector includes an insluative housing having a flat base and two pairs of walls extending from the flat base, defining a cavity therebetween for receiving a coin battery. Positive and negative terminals are mounted to the housing for respectively engaging positive and negative electrodes of the battery. The positive terminal includes a base secured to the housing and a contact panel extending from the base for engaging the positive electrode of the battery. Two retention arms extends from the contact panel and have a major surface inclined with respect to an insertion direction of the battery for guiding and facilitating insertion of the battery into the housing. The retention arms have downward directed free ends for engaging and retaining the battery in the housing. A spring tab is formed on the contact panel for biasing the battery against the downward directed ends of the retention arms.