Abstract: A fastening and locking device which can rapidly join two elements together in a secure manner. The device comprises a male part on one of the elements and a receiving channel for the male part on the other of the elements.

Abstract: A communication control unit useful for operably coupling a plurality of peripheral devices to a data processing system including a central processing unit (CPU) and a main system memory. The communication control unit is comprised of three major sections: (1) A direct memory access module (DMA) for communicating with the memory of the CPU; (2) A serial interface adaptor module (SIA) for converting parallel data to serial data for transmission to a peripheral device and serial data to parallel data on receiving from a peripheral device; and (3) A programmable controller module (PCM) connected between the DMA and SIA for providing the overall control of message reception and transmission. The PCM comprises a small special-purpose programmable parallel computer. A program (firmware) stored in a read-only memory of the PCM enables the PCM to handle the different communication disciplines observed by various peripheral devices operable with the communication control unit.

Abstract: An electrical connector member including a hollow housing member with an internal restricted passageway, an adjacent outer radial shoulder and a reference surface axially spaced from the shoulder oppositely to the passageway; and an insert member snugly retained against axial movement in first and opposite axial directions by said shoulder and surface, the insert member including a restraining surface in abutment with said shoulder, the restraining surface being shaped by plastic deformation of the weakened peripheral surface portion on the insert member by the wall of the restricted passageway during the final stages of the positioning of the insert member. The insert member before deformation includes the weakened peripheral surface portion formed by a plurality of axially extending knurls, and an adjacent protective collar which protects the weakened portion from deformation until the collar has passed through the restricted passageway and the insert member is in the final stage of positioning.

Abstract: A mounting bracket is carried by an end flange of a first electrical connector and includes projections which slidably engage grooves in a second electrical connector which is supported by the bracket. A hood covers the rear end of the first connector and at least partially covers and embraces the second connector supported by the bracket and includes an internal lateral projection which engages a hook-shaped portion of the bracket. The contact capacity of the first connector is greater than that of the second connector and electrical connections extend, within the hood, to connect the contacts of the second connector to contacts in selected positions of the first connector, so that selected conductors of a multi-conductor cable can be extended to the conductors of another multi-connector cable which has a lesser number of conductors, by way of cooperable connectors which are matable with the first and second connectors.

Abstract: An acoustic communication system is disclosed as a secondary means for command control of underwater operations from a surface unit. The system includes a diving acoustic command control unit for use in the event of prime propagation path occlusion. Self-check verification as well as data read-out upon interrogation is provided from the surface unit to an underwater receiver-transponder. The latter will also respond to acoustic command signals from the diving unit. An early warning blowout detector employs sensors at the wellhead to detect seismic waves, mud pressure wave fronts and mud flow rates resulting from an emerging blowout and in response thereto, transmits an alert signal.

Abstract: A master keyboard terminal is provided to communicate with a programmable control unit. Auxiliary keyboard terminals are connected to the master terminal, and utilize a substantial portion of the logic circuitry located in the master terminal. Auxiliary terminals may be scanned by the master terminal and data entered on the auxiliary terminals are communicated, through the master terminal, to the programmable control unit.

Abstract: The following specification describes a hermophroditic RF connector assembly used on an airline and employing a spring biased registration ring having axially extending teeth with cam surfaces for engagement between teeth on a mating registration ring of another airline connector assembly in response to relative rotation between the rings to align the mating contact surfaces of two mating airlines. A coupling nut on one connector assembly is threaded over the registration ring of the other connector assembly to secure the assemblies and airlines to each other and the coupling nut of one assembly may also be partially threaded over the registration ring of the respective assembly and then used to retract the respective ring against the spring bias to provide facile means to the contact surfaces.

Abstract: A miniaturized cardiotachometer is worn by a user typically adjacent the volar aspect of the wrist or the temple to provide the user with a numerical readout of his or her pulse rate. The time between two heartbeats is measured by the number of pulses from a fixed frequency source that occur. The measurement is made after a predetermined delay to eliminate or reduce noise signals, the number of pulses of the fixed frequency being converted into the pulse rate and displayed numerically.

Abstract: A printing apparatus is provided for printing on a document or bank passbook which has affixed thereto a magnetic stripe on which information with respect to the print operation is written and/or read by a magnetic head scanning assembly. The printing apparatus includes a document holder for accommodating the document to be printed on, and an automatic line positioning device in the form of a stepper motor to move the holder, and accordingly the document, to the line to be printed on as recorded on the magnetic stripe, at which time the platen is advanced against the document, and the data printed on the line by the print head. The magnetic head scanning assembly at beginning-of-stripe position is retracted from the magnetic stripe on the document, and when actuated, advances the head to contact the magnetic stripe to read data on the stripe.

Abstract: An electrical connector assembly for connection to a coaxial cable having a housing with a rear tubular metallic member having a pair of radially raised portions separated by a recessed peripheral surface portion for receiving the outer shield of the cable and an outer sleeve with an outwardly expandable section which is slid over one of the raised portions and shield and resiliently closes inwardly to press the shield against the recessed surface portion and axially retained between the pair of raised portions. An inner passageway in the tubular metallic member permits passage of the inner conductor and insulating member of the cable to within the connector housing. The sleeve is further provided with an enlarged front flange which acts with a flange on the housing to secure a radial portion of the shield and further acts with a front outwardly raised projection on the housing to axially retain a coupling ring on the housing.

Abstract: The following specification describes a magnetically operated lock for a coaxial switch in which slide member is operated in opposite directions by a slide magnet in a key to connect an incoming coax line to either another coax line or to ground through a characteristic impedance termination.The key has a configuration corresponding to the lock housing and when associated with the lock housing, automatically positions a plurality of spaced magnets in the key to operate a plurality of pins in opposite directions to unlock the slide. Removal or disengagement of the key from the lock housing enables the pins in the lock to engage the slide and lock the switch in either position to which it is operated.

Abstract: A method and apparatus for soldering terminals to printed circuit boards, and particularly for soldering terminals simultaneously to both sides of a printed circuit board. The apparatus consists of a connected series of preformed cones of solder which are positioned above holes in the circuit board, and through which terminals to be heated are inserted. The solder flows through the hole by capillary action, and provides electrical connection between the terminal and conduction paths on both sides of the circuit board.

Abstract: A hand tool having a handle and an output member mounted for rotation relative to the handle. An actuating member is mounted for rotation on the handle, and a reduction gear couples the actuating member to the output member. The reduction gear comprises a driving pinion, a restraint member permitting gyration of the pinion relative to the handle but preventing rotation thereof about its own axis, and an internally toothed annulus coaxial with and affixed to the output member and driven by said pinion. The actuating member is coupled to the pinion to cause gyration of the pinion and rotation of the output member when the actuating member is rotated relative to the handle. The tool can be used for making either coarse or fine adjustments.

Abstract: Apparatus is disclosed for terminating insulation covered conductors in the individual contacts of a multiple contact connector. The apparatus includes a base or connector-holding jig and an insertion tool. The base includes means for holding the connector in conductor mounting position; stationary and retractable comb elements for aligning the individual conductors with the proper contacts of the connector; and shear means. The tool includes a transverse guide portion and a longitudinal blade which form a generally T-shaped tool head. The tool head is configured to cooperate with slots formed in and by the comb elements to position the tool in proper alignment for the trimming and mounting operations.

Abstract: An electrical clock is provided in which pulses of a 10% duty cycle are repeatedly applied at a one second rate to a solenoid which attracts an armature attached to a reciprocating ratchet once every second, the reciprocating ratchet being returned to a neutral position between each pulse. The reciprocating ratchet drives a toothed wheel which is located on a main axis of the clock frame view suitable pawls. The second hand of the clock is directly coupled by a second hand shaft to the toothed wheel. The toothed wheel, by means of a pinion, drives an intermediate gear which is located outbound from the main axis. The intermediate gear drives a minute gear, the minute gear being mounted on a minute tube concentric with the second hand shaft. The minute hand is directly affixed to the minute hand tube. The minute gear, by means of a pinion, drives an outbound motion gear, the motion gear in turn driving an hour gear coupled to an hour tube whose axis is concentric with the second shaft and the minute tube.

Abstract: Devices, methods, and combinations for securing electrical connectors, wherein one of the connectors has a pair of mounting holes for facilitating mounting to a panel having cooperating mounting holes therein and an intermediate slot to permit passage of a portion of an electrical connector therethrough, can utilize a device which includes a flexible and sturdy planar member having a pair of mounting holes therein oriented so as to co-align with holes in the one connector and the panel. The planar member has a cooperating slot at least as large as the panel slot, and is formed so that two substantive portions can be folded at right angles in a U shape along parallel lines extending from opposite sides of the slot, the folded portions having inner surfaces facing each other with a space therebetween for housing the other connector.

Abstract: A trimming potentiometer having a resistive member and a rotatable member attached to a wiper in contact with the resistive member for varying the position of the wiper thereon, wherein the rotatable member has a peripherally toothed portion and the non-rotatable part of the potentiometer is formed with a plurality of structures defining pivot points for a rotatable adjusting tool, each of the pivot points being spaced from the peripherally toothed portion of the rotatable member by less than the radius of this portion, whereby a toothed adjusting tool can be engaged with any one of the structures and with the toothed portion of the rotatable member for adjustment of the rotatable member by rotation of the tool, the structures being positioned to define different adjustment directions for the tool.

Abstract: Sinker cam segment having its ends beveled at a compound angle, so that the end surfaces are in a plane having no elements which are either radial or axial with reference to the center line of the cam ring on which the segment is used.

Abstract: The following specification is directed to a pressure responsive transducer utilizing dual diaphragms on opposite sides of a sandwich of substrates formed of ceramic and having an intermediate substrate in which a slot is formed to communicate with the diaphragm chamber and eliminate the need for puncturing and/or sealing of one of the diaphragms. External electrical connections to fixed capacitor plates deposited on the outer substrates of the sandwich are extended by forming a lead on the intermediate substrate which connects to the fixed plates through aligned openings in the substrates, that also communicate the chambers formed by the diaphragms.

Abstract: A field termination tool for electrical connectors includes a connector support which is positioned between a pair of rotatably mounted insertion arms. Each of the insertion arms includes a multiblade insertion tool for engaging and pressing insulated conductors into respective insulation-piercing contact portions carried by a supported electrical connector. The connector support is constructed as a one-piece comb structure, preferably molded from glass-filled thermoplastic material with metal conductor cutting strips molded in, which is releasably engageable with the frame of the termination tool, and likewise releasably engageable with a bench-mounted support so that electrical connectors can be positioned in the comb structure and have the insulated conductors aligned with respective insulation-piercing contact portions at a point remote from the insertion tool. An insertion control mechanism takes two forms.