Abstract: A recording and/or reproducing apparatus, such as a tape recorder, includes a recording and/or reproducing unit housed within a main body portion, an electro-acoustic transducing section, an actuating input unit, first and second connection cord assemblies and first and second cord take-up units. The recording and/or reproducing unit records and/or reproduces the information on or from a recording medium, such as a magnetic tape. An electro-magnetic transducer is fed with information signals reproduced by the recording and/or reproducing unit. An actuating input unit, removably mounted on the main body portion, sets or switches the recording or reproducing state of the recording and/or reproducing unit. The first connection cord assembly interconnects the actuating input unit and the recording and/or reproducing unit for exchanging information signals, and the second connection cord assembly interconnects the electro-acoustic transducing unit and the actuating input unit.

Abstract: A reconfigured standard telephone cable assembly for connecting cable plug receptacles on a generic control box to a telephone terminal block includes a standard telephone cable containing several lead wires within a cable casing, each lead wire having a plug end and a block end and a distinctive color code corresponding to an established color code sequence; a first cable plug and a second cable plug, each cable plug having a connection structure for connecting several lead wires, where the first eight of the lead wire plug ends in the cable code sequence are connected to the connection structure of the first cable plug, and where the second eight of the lead wire plug ends in the cable code sequence are connected to the connection structure of the second cable plug. The assembly preferably additionally includes a third cable plug.

Abstract: A telephone line tester includes a pin socket connector, a modular jack connector and a plurality of lines out. The telephone line tester can be connected to a telephone line at a modular jack interface, and alternatively, at a pin socket interface. Testing can be performed by accessing signals of the telephone line through the plurality of lines out. Testing can also be performed by accessing signals of the telephone line through the modular jack connector.

Abstract: A modular jack includes a filter circuit for each of the transmit and receive pins in order to shape the signal waveforms, isolate the user from the line, and filter out both common and differential mode noise in high-speed communications systems, such as 10BASE-T, 100BASE-T, token ring and ATM applications. The manufacture of the modular jack of the present invention is simplified by the design of the components which make up the modular jack assembly. More specifically, the contact pins of the modular jack are divided into a contact pin array and a mounting pin array. The two pin arrays are electrically coupled through a printed circuit board which carries the two filters. A platform formed on the mounting pin array facilitates the attachment of the printed circuit board during manufacture.

Abstract: A coil cord snarl preventing device comprising, in part, a substantially circular hollow body and an operably joined coil cord fastening member (composed of a somewhat flexible, resilient material such as a low density plastic polyethylene plastic) having an opening through which one end of a retractable coil cord item is slidably inserted thence traversing the entire length of the hollow body, interiorly, and exiting an outlet end thus mostly eliminating tangling conditions commonly associated with coil cord products, thereby preventing a dropping and damaging of telephone base and handset products because of snarled coil cords. The device also enjoys strong advertising or promotional capabilities because of its mountable proximity to the vast number of telephonic units in use universally.

Abstract: A coiled cord holding assembly and a method for installing the assembly so as to conceal a coiled handset telephone cord within an enclosure. The assembly includes a face plate with an aperture therein, a tubular elbow mounted to the face plate, a length of tubing extending from the elbow and a cord securing device for preventing a portion of the coiled handset telephone cord from traveling out of the length of tubing when the handset telephone cord is being extracted from and retracted into the coiled cord holding assembly.

Abstract: A portable telephone line storage device, including a housing, a manually rotatable reel within the housing, a telephone line having a first end with a telephone jack, and a second end with a telephone jack, wherein said line is movable between a first retracted position inside the housing, and a second extended position where a majority of the line is outside of the housing, and wherein the telephone jacks are positioned inside the housing in the first position, and outside the housing in the second position.

Abstract: A test system directed to apparatus for transmitting and receiving multiple telephone transmission signals over a single twisted pair. The system converts an analog signal from a local switching station to an 80 ksymbols/sec signal for transmission over a twisted pair by a line card. A remote terminal converts the 80 ksymbols/sec signal back into a conventional analog signal for use in conventional telephone, facsimile or other related equipment. The test equipment separately tests the entire system, the line card portion of the system, the remote terminal portion of the system, and the twisted pair.

Abstract: An electrical cord retraction device including a spring biased reel contained within a housing, a retractable cord stored on the reel, and an electrical connector capable of accommodating relative rotation between the reel and housing. A preferred embodiment of the device includes an electrical connector comprising a set of printed circuit boards with one printed circuit board having concentric rings and the other printed circuit board having electrical contacts. Another embodiment of the device includes an electrical connector defined by a spiral electrical connector, in particular a spiral strip electrical connector. A preferred embodiment is a retractable telephone cord device mounted to or part of a telephone base receiver unit, and/or a handset or headset.

Abstract: A metal tension resisting bracket for use with public telephone pay stations and the like which anchors the distal end of an armored connecting cable within the telephone cabinet. The bracket provides for rapid disconnection of both the distal end of the armored cable and the internally contained lanyard which resists tension applied to the cable.

Abstract: A modular plug is locked in a modular receptacle by a frangible locking member disintegral from such modular plug. An internal first catch on that frangible locking member catches an inside of the modular receptacle. The internal first catch is rendered inaccessible from outside the modular receptacle when the frangible locking member and the modular plug are in place in that modular receptacle. A second catch on the frangible locking member detains the modular plug in the modular receptacle until the frangible locking member has been broken up. A device for locking a modular plug in a modular receptacle has a locking member disintegral from such modular plug and having a frangible head. A pair of spaced flexible prongs project from such head. A catch on each of such flexible prongs is spaced from the frangible head and a third or middle prong projects from the head between the pair of spaced flexible prongs.

Abstract: A rotary base for telephones and the like is disclosed, including a base and a plate for holding a telephone which is rotatable relative to the base. The rotatable plate is attached to the base by a coupling portion which enables rotation of the plate without causing twisting of a telephone line passing through the plate and the base. The ability to rotate a portion of the telephone cable without causing the chord to twist is enabled by a plurality of circular contacts attached to part of a telephone line on one side of a connection and a plurality of contacts which move along the circular contacts on an opposing side so that the connection is continuous as the plate is rotated.

Abstract: The present invention is directed to a local telephone line tamper protection device. In particular, it protects a conventional security alarm system using telephone lines from being disabled by an intruder before it has a chance to function. Telephone service lines are generally accessible from the exterior of the structure. The alarm system is protected by providing an service enclosure having a strong box and a conduit to enclose the telephone service box and service line. The protection device includes sensors and switches to inform the security monitor before an intruder can disable the alarm system. A vibration sensor is activated when movements of the strong box and conduit occur and a signal is generated to announce the intruder. The strong box has two access doors where the locked outside door must be opened to access the locked inside door. Each access door has a separate tamper switch means that generates a signal to also activate the alarm system.

Abstract: According to the invention there is provided a cord rewinder which includes two sets of multiple pulleys, each set being seated at an opposite end of an elongate housing. One set is fixed in place while the other set is biased toward its corresponding end of the housing. When a pull is applied to a cord helically wound around the pulleys and extending along the length of the housing between the pulleys, the biased pulley set moves toward the fixed pulley set releasing the cord. When the pull is removed, the biased pulley set moves back to its end position retracting the cord.

Abstract: An automatic rewinding device outside a telephone set for retracting its conductor, wherein a housing comprises a bottom seat and a cap having a plug connected with the telephone set; the conductor is wound in a conductor connecting seat on the top of a rotation plate in the housing, several conducting pieces in the seat contact a conducting disk which contacts some conducting springs connected to the plug through some concentric conducting rings in the conducting disk, a coiled spring and a stop mechanism comprising a cam and a stop sheet spring and a blocking piece etc.

Abstract: A medical monitor (1) comprises a recess (6) in its bottom side. A lateral wall (9) of this recess (6) is oriented in the same direction as the front panel (2) of medical monitor (1) and carries connectors or jacks. If the medical monitor is operated in a vertical position, its rear panel becomes its top panel. The rear panel does not comprise any connectors, and the connectors at lateral wall (9) as well as patient connectors (3a, 3b, 3c, 4) are oriented downwards. Therefore, the monitor is safe against sprayed or spilled fluids even if operated in vertical position.

Abstract: A handset of a pay phone includes a reinforcing coupler firmly secured to the handset for coupling the handset with an armored cord linked to the pay phone, having a locking head of the reinforcing coupler stably secured to a mouthpiece of the handset for firmly fastening a flexible hose of the armored cord and a transmitter bracket stably mounted in the mouthpiece of the handset for holding a transmitter in the bracket with a retarding member protruding downwardlly from the transmitter bracket to retain the locking head of the reinforcing coupler to resist an inwardly pushing of the armored cord, thereby preventing an easy breaking of a plurality of communication wires of the armored cord.

Abstract: Cellular telephone apparatus comprise a portable carrying case, such as a conventional attache case to provide the utility of a business briefcase, a cellular telephone base unit situated within an interior space of the carrying case, an antenna coupled to the base unit, a hand-held receiver, and either a cable or radio link coupling the base unit and hand-held receiver with each other so that the receiver is positionable during use at a position which is spaced away from the antenna which is situated at the carrying case. High frequency, electromagnetic radiation emitted from the antenna is substantially attenuated by the time it reaches the user of the cellular telephone.

Abstract: A one-piece, molded subassembly with a near-field acoustic chamber and a far-field acoustic chamber on either side of a centrally disposed microphone. A slightly-flared passage through the subassembly couples the far-field acoustic chamber to an exterior port in order to provide noise cancellation. A cord passage in the subassembly is directed in three mutually orthogonal directions so that a strain on the cord is not transmitted beyond the subassembly where it initially enters the handset.

Abstract: The present invention provides a telephonic headset bridging apparatus having relay based circuitry for automatically or manually switching a single telephonic headset to operate and monitor a plurality of communication apparatuses. The bridging apparatus includes isolated circuits so that the various communication devices which are to be operated, using the headset bridging apparatus, are not able to communicate with each other. The invention is particularly designed for use in a police station to use a single telephonic headset to monitor a plurality of communication apparatuses that includes an integrated Public Safety Answering Equipment (PSAP), a telephone, and, in a more particular embodiment, a radio. A recorder connection is also provided in the bridging device.

Abstract: A retainer member uses a simply curved surface to engage the yoke-receiver handset juncture. The retainer member includes a top portion which matches the handset receiver circuitry and includes end portions that engage the substantially circular receiver portion of the handset to provide a further distribution of applied forces. The top portion of the retainer member is provided with an end plug bore or opening having a top surface to prevent the end plug from becoming dislocated within the receiver portion. Also, a separate telephone wire channel is provided to keep separate the telephone wires from the flexible stranded cable thus insuring that no damage will occur to the telephone signal wires when the handset is subsequently stressed.

Abstract: An armored protective system for telephone wires on the exterior of a building to prevent severing (cutting, breaking, etc.) of the wires by an intended intruder into the building. Standard telephone service components are covered with interlocking tamper-proof cover elements. These include, in the preferred embodiment, metallic protector channel members to cover otherwise exposed wires, and a protective cover on other telephone system components that overlap the protector channel members so as to eliminate points at which the telephone wires can be severed. The protective cover is provided with a self-contained alarm unit to emit an audible sound when the protective cover is disturbed from its fixed position on the building. Fastening elements for attaching the components to a building wall are of the type that require specialized tools.

Abstract: A telephone cord reel is particularly suited for use in airplanes, motor vehicles, and other places where space is limited. The reel contains a section of telephone cord and a hollow, cylindrical spool having helical channels around which the cord winds. The reel also contains a cord guide assembly having a track-mounted cord guide with a protrusion which engages the helical channels of the spool such that the cord guide moves along the track as the spool rotates to guide the cord into the proper channel. The reel further contains a biasing spring to provide a force to wind the cord and a ratchet assembly to hold the cord in a desired position against the force applied by the biasing spring. Finally, the reel contains an electrical contact assembly which enables the portion of the cord on the spool to rotate freely from the portion of the cord running to the telephone base.

Abstract: A weatherproof network interface module for providing connection between a customer's equipment and the telephone company owned portion of the customer loop includes an overvoltage protection device disposed therein in addition to the circuitry which provides a prescribed line test termination impedance having particular characteristic signature to the telephone central office when a continuity test is made on a subscriber line and may include an illumination device and test switch for indicating when the telephone company owned portion of the customer loop is in operating order, or may include a device for connecting or disconnecting the telephone company owned portion of the customer loop from the customer loop portion wherein all of terminals are weatherproof (protected from the environment).

Abstract: A call box (201) provides vandal-resistant operation by using a concealed magnetic switch and magnet (179) and specially locked compartments (101 and 103) in a heavy duty structure. The concealed magnetic switch determines the position of a handset (119) within the call box (201). When the handset (119) is removed from its resting position, a radio (129) within the call box (201) responds when a pushbutton (127) within the call box (201) is pressed. When the pushbutton (127) is pressed, telephone service is provided via a radio (129) to a preprogrammed phone number, such as the highway patrol for a call box (201) located on a highway, to handle situations such as a malfunctioning vehicle.

Abstract: A telephone cord retraction device to be positioned between a base unit and handset of a telephone, and to a telephone provided with such a device. The telephone retraction device includes a spiral spring telephone connector connecting the telephone to a retractable telephone cord of the handset.

Abstract: A personal stereo sound system device, of no larger than hand size for carrying and using on the person of at least one individual listener, has a miniaturized playback program source with control of program selection, a stereo amplifier, a volume adjuster, a power source, a multi-conductor lead for electrically connecting the amplifier to miniaturized lightweight stereo headphones or earphones, and a lead-reeling device capable of receiving and of dispensing a desired length of the lead to permit the phones to be used at a variable distance from the amplifier.

Abstract: An improved telephone handset dispenser to store and dispense a telephone handset from the seat back of an airplane, including a housing for retaining the handset, a handset electrically attached to a cord which is dispensed from a cord reel contained within the housing, a protective bezel, and a self-resetting latching mechanism to retain the handset.

Abstract: A hand held telephone test set includes an internal strain relief interface configuration. The interface includes a well structure formed in a housing of the test set, with a plug receptacle disposed in the well structure. Additionally, a plug line channel is disposed in the housing and receives a plug line associated with a plug connected to the plug receptacle. The channel has a shape that provides strain relief for the plug/receptacle connection and the connecting line/plug connection.

Abstract: Apparatus and methods are disclosed for anchoring each end of an armored telephone cord and restraint cable assembly to both the telephone housing and the associated handset. With respect to the handset, a removable anchor is positioned intermediate the receiver and transmitter ends along the hand-grip portion, the inside walls of the hand-grip being provided with a ledge or other means for transmitting longitudinal pulling forces along the restraint cable as a shear force along the peripheral sidewalls of the hand-grip portion.The housing anchor is specifically adapted for elbow type public telephones, and utilizes an elbow with the extremity of the armored telephone cord and restraint cable assembly and the cable stop fitted into the elbow generally parallel with the sidewall of the housing.

Abstract: An improved telephone handset dispenser stores and dispenses a telephone handset and dispenses the handset upon insertion of an implement such as a credit card. A rectangular front face of a generally box-shaped housing has a longitudinal trough defined therein for receiving the handset. Upon insertion of the implement into a slot defined in the front face of the housing, the handset is dispensed for use. The telephone is electrically attached to the housing by a cord. A rotatably cylindrical cord reel dispenses the cord through the longitudinal trough as the handset is removed, and also stores unused cord. Cord is directed between the cord reel and the longitudinal trough perpendicular to the circumference of the cord reel by a cord guide, thereby permitting the cord reel to be centered in the housing with respect to the longitudinal trough. The housing has two sides and two ends, tapered toward the front face to prevent objects from being placed and retained thereon.

Abstract: A lockable telephone plug apparatus comprises a shank member for insertion into a line jack unit said shank member having suitable connections for connecting with the electrical connections in the line jack unit. The shank member has a movable locking member mounted thereon and arranged to be in use moved by a locking means to engage a part of the line jack unit socket to prevent removal of the telephone plug apparatus from the line jack unit. The shank member and the locking means are mounted in a housing.

Abstract: A telephone cord reel according to the teachings of the present invention is shown as including a non-metallic housing base with end walls and divider walls separating a cord reel with a spring activated recoil action from a copper clad disk rotatable with the cord reel. Insulated positive and negative wires extend from the cord reel into a connecting tube where they separate at connecting wires which go to opposite sides of the disk. Copper brushes contacting the rotating disk on each side bring the current through a divider wall to a phone jack which allows connection to the phone housing. Alternate means are provided to secure the unit in or on a wall with alternate covers which have exit holes for the phone cord with means to brake the recoil action of the reel.

Abstract: A bracket for mounting within a telephone paystation to retain a telephone handset armored cable of the type including a central cable terminated at at least a first end in a stop secured to said cable, and with an armored sheath encircling said cable.

Abstract: A mobile telephone console for use in a motor vehicle includes arcuate side shoulders on an upper surface supporting the telephone to guide the hand of the user to the telephone to release it from the telephone cradle. The console may have a writing table assembly removably connected thereto by a stab joint arrangement between an elongate table support arm and a slot in the console. The writing table is pivotable on the support arm between a deploying position for use by the driver or a storage position when the table assembly is removed from the console.

Abstract: A telephone set includes a base and a handset which are interconnected by a cord terminated in a modular plug and jack, at least on the handset end of the cord. The plug is recessed far enough in the handset to preclude an electrostatic coupling between a human hand holding the handset and the plug and jack. Also, the recessing is far enough to keep the plug from becoming dislodged from the jack by an accidental movement of a locking leaf spring or plug associated with said plug.

Abstract: The safety interlock for a cover of a housing in a telephone apparatus provides electrical safety for the user by requiring the apparatus to be disconnected from a telephone line before the cover of the housing can be opened. The apparatus is connected to the telephone line by means of a two-part pluggable connector, with one of the parts being a receptacle fixed in the case of the apparatus. The safety interlock comprises a flap (8) which slides inside the case (1, 2) of the apparatus over the opening (5) giving access to the telephone line connector receptacle, with the flap sliding between a closed position in which it disengages the opening (5) while holding the cover (8) of the housing closed, and an open position in which it obstructs the opening (5) while allowing the cover (3) of the housing to be opened.

Abstract: In a folding type telephone apparatus of folding type comprising a first housing and a second housing rotatably connected by a hinge, electric components and printed circuit boards of respective housings are connected by an electrical connecting member of a tape shaped flexible printed circuit which is wound at least two times around a shaft of the hinge. Using the wound electrical connecting member maintains a reliable electrical connection between the housings even after the telephone apparatus has been used for a long time.

Abstract: A tamperproof pay telephone is disclosed.

Abstract: A pay telephone station having a lower housing coin chute (14) which is provided with a coin fraud prevention unit (10) in the form of a thin base (15) arranged in a slot (11) of a coin channel cover plate (12). The base (15) is provided with a pawl (23) having a tooth (24) with a chamfered face ( b 25) which is biased into the path of a coin passing through a coin path (39) by a torsion spring (26). An anchor (59) for connecting a handset (56) to the upper housing coin dial unit (50) of the station includes a base with apertures (63, 64) and a V-shaped body (65) with a notch 66 defined between surfaces (69, 70). A long thumbscrew member (74) with a textured gripping surface connects the anchor (59) to a projector (51) integral with the upper housing (50). The handset cord assembly (A) is first passed through an aperture (54) in the projection (51) and then through the aperture (64) in the base (60).

Abstract: A telephone bracket, for example, for vehicles, has a reception recess for a support plinith, on which a hand receiver can be fastened, to which a spiral cable is connected, which is accommodated in a cable storage container, which adjoins the reception reces and has a cavity, which extends in the direction of a vehicle floor and into which a cable deflection member can be inserted from above, which is arranged in it so that it can be quickly removed again and around which the spiral cable is guided.

Abstract: A cover for a telephone handset includes a monolithic, one-piece body that has speaker-covering and earpiece-covering holes defined therein, and a speaker filter element and an earpiece filter element removably mounted on the body in covering relationship with each of the holes. The filter elements are removed and replaced after each use of the cover so that germs on one handset will not be transmitted to the speaker or earpiece of another handset by the cover.

Abstract: A protective handset cord cover is secured around a handset cord to prevent the handset cord from becoming tangled with itself. The cover is of sufficient length to accommodate a normal and customary stretched length of the handset cord so that the handset cord is prevented from twisting upon itself and becoming entangled. The cover is of a flexible, planar material and is easily placed around a handset cord. The cover is particularly suited for use with handset cords having modular ends which are removable from a phone base at one end and from a handset at the other end or, in an alternate embodiment, for use with older model telephones or car phones in which the handset cord is permanently secured to the phone base at one end and to the handset at the other end.

Abstract: A handset for telephones and the like has electro-acoustical capsules for hearing and speaking, mounted between an upper housing shell and a lower housing shell of the handset. Each of the capsules is connected to the handset cord by a pair of leads received in cutting clamp connections arranged on the rear sides of the hearing and speaking capsules, the opposed housing shells having projections pushing the leads into the cutting clamps. Preferably, the leads are mounted on a foil having openings for the cutting clamps and the projections, and also openings for guide pins, whereby the leads are guided into the cutting clamps when the upper and lower housing shells are brought together on the leads.

Abstract: A pay telephone station having a lower housing coin chute (14) which is provided with a coin fraud prevention unit (10) in the form of a thin base (15) arranged in a slot (11) of a coin channel cover plate (12). The base (15) is provided with a pawl (23) having a tooth (24) with a chamfered face (25) which is biased into the path of a coin passing through a coin path (39) by a torsion spring (26). An anchor (59) for connecting a handset (56) to the upper housing coin dial unit (50) of the station includes a base with apertures (63, 64) and a V-shaped body (65) with a notch 66 defined between surfaces (69, 70). A long thumbscrew member (74) with a textured gripping surface connects the anchor (59) to a projector (51) integral with the upper housing (50). The handset cord assembly (A) is first passed through an aperture ( 54) in the projection (51) and then through the aperture (64) in the base (60).

Abstract: A detachably attachable protection device for use with a circuit routed to a DSX panel or the like in a telephone switching station includes a fixed plate having apertures for visual access to a light associated with the circuit, an aperture for access to a monitor jack and a pivotable plate connected to the fixed plate for selectively providing access to jacks for rerouting the circuit. The lift tab may be incorporated to assist in positioning the pivotable plate. In a variant protection device, a plurality of pivotable plates secured to a common fixed plate may be employed to individually protect all circuits routed to a DSX panel.

Abstract: A bracket for connecting an armored cord to a telephone housing in which the bracket is of unitary construction and comprises a bottom plate having a central portion with a laterally running slot adapted to receive the sheath of the armored cord and a top U-shaped plate overlying the central portion of the bottom plate and having a laterally running slot adapted to receive the flexible cable of the armored cord and to provide an abutment for the end termination of the cable.

Abstract: A shaped anchor member for anchoring a telephone handset to a telephone housing wherein a stranded cable is employed to mechanically connect the handset and the housing. An end portion of the stranded cable is disposed within the anchor member. The anchor member is provided with a top compound surface having first and second radii of curvature such that the compound surface is in substantially full surface contact with an interior surface of the handset at the junction of the handset yoke and receiver.

Abstract: A pay telephone station having a lower housing coin chute (14) which is provided with a coin fraud prevention unit (10) in the form of a thin base (15) arranged in a slot (11) of a coin channel cover plate (12). The base (15) is provided with a pawl (23) having a tooth (24) with a chamfered face (25) which is biased into the path of a coin passing through a coin path (39) by a torsion spring (26). An anchor (59) for connecting a handset (56) to the upper housing coin dial unit (50) of the station includes a base with apertures (63, 64) and a V-shaped body (65) with a notch 66 defined between surfaces (69, 70). A long thumbscrew member (74) with a textured gripping surface connects the anchor (59) to a projector (51) integral with the upper housing (50). The handset cord assembly (A) is first passed through an aperture (54) in the projection (51) and then through the aperture (64) in the base (60).