Abstract: A circuit configuration for a brake system with anti-lock control and/or traction slip control composed of circuits for conditioning wheel sensor signals, controller circuits for analyzing and processing the conditioned sensor signals and for generating braking pressure control signals, monitoring circuits which process the sensor signals irrespective of the controller circuits, and circuits for exchanging and comparing signals of the controller circuits with corresponding signals of the monitoring circuits. The monitoring circuits have a simpler structure than the controller circuits. The control philosophy is reproduced in the monitoring circuits. In particular, the control phases are determined by the reproduction on the basis of the same control criteria and control parameters which the controller circuits use. The signals of the reproduction circuits are united with the valve-excitation signals in correlation circuits for the detection of errors.

Abstract: In a dust cover (6) for the brake cylinder (1) of a disc brake with a ring-shaped boot (7), with a fixing torus (8) at a first end of the boot engaging an annular groove (9) in the piston (3) of the brake cylinder (1) and with a stiffening lining in the shape of a ring (11) which is at least partly surrounded by the material of the boot (7) and which urges the second end of the boot (7) against the inside wall (12) of a ring-shaped recess (5) in the front side (4) of the brake cylinder (1) said second end of the boot (7) forms a unilaterally open, ring-shaped bag into which said ring (11) is inserted. Within said bag the ring (11) is formed with perforations (14) which are penetrated by the material of the boot (7). A radial collar (13) of the ring (11) which projects out of said bag constitutes a surface of abutment for an assembly tool.

Abstract: An optical fibre connector is provided which is of simple, dirt-resistant, and easily cleaned construction. The connector includes an outer body (1, FIG. 1) having a main bore (2), a ferrule (4) lying in precision sliding fit in the main bore, with an optical fibre (9) extending through the ferrule, a spacer (15) lying against the front of the ferrule, and a spherical lens (3) lying against the spacer. The outer member (1) has a larger second bore (10). A termination sleeve (8) lies in the second bore, presses forwardly on the ferrule, extends rearwardly through a stepped bore (11) in a securing member (12), and is biased forwardly by an elastomeric part (14) in the securing member. The spherical lens (3) has an anti-reflection coating and is bonded to the front surface (17) of the spacer.

Abstract: An electronic pressure relief system for a traction slip control vehicle brake system maintains the pressure within the brake system at its desirable level by electronically controlling an isolation valve coupled to the brake conduit. The isolation valve is controlled by supplying an energizing current to the valve at a preselected level such that the holding pressure exerted by the valve is maintained at a level approximately equal to the maximum desired pressure level to be maintained within the brake conduit during the traction slip control maneuver.

Abstract: An insertion indicator employed in conjunction with a quick connector assembly includes a base member carried within a female housing, two or more leg members extending axially from the base member and terminating adjacent an axial housing opening. A generally annular indicator member is disposed substantially within the housing opening and releasably engages the ends of the leg members. Means are provided to axially displace the base member upon engagement of the male and female elements to effect separation of the base and indicator members. Guide and limiting means are provided to ensure proper orientation of the indicator device relative to the quick connector before and during coupling of the male and female elements.

Abstract: A power seat adjuster includes a rotatable drive shaft with first and second axial ends and an intermediate arcuate portion connecting the first and second axial ends. The first and second axial ends are respectively axially connected to a drive motor gear assembly and to a driven lead screw. A horizontal drive block threadingly engaging the lead screw is rotatably and vertically translatingly mounted in an aperture in a lower track for self-alignment of the drive block with respect to the lead screw. A housing rotatably receives the axial connection between one end of the drive shaft and the lead screw. The drive nut is rotatably and translatingly mounted in a bracket fixed to an upper track for self-alignment of the drive shaft with the lead screw. A drive block engages the lead screw and is mounted for rotation and translation in a link.

Abstract: An infinite hydraulic check for use with a door that maintains the door in any position until an appropriate check effort is applied to release the door from the position. The check includes an annular needle cavity with a closed first portion and a second portion, the second portion including a by-pass port along an inner circumference. An annular needle is received in the needle cavity. The by-pass port is obstructed when the needle is in a partial open position. Hydraulic fluid driven through an inlet orifice gradually displaces fluid from the closed first portion of the cavity, forcing the needle further into the cavity, unobstructing the by-pass port and permitting increased fluid flow. The controlled activation of the damped check release reduces noise.

Abstract: A coupling device and associated method for coupling an unassociated afocal optical assembly to a night vision apparatus in order to alter the optical power normally associated with the night vision. The coupling device includes two separate adapter rings that threadably connect to each other. The first adaptor ring is sized and shaped to threadably engage the night vision apparatus proximate the objective lens of the night vision apparatus. The second adaptor ring is sized and shaped to screw onto the output end of the afocal optical assembly. Accordingly, when the first adaptor ring is joined to the second adaptor ring, the output end of the afocal optical assembly is optically aligned with the objective lens of the night vision apparatus. Consequently, the afocal optical assembly enhances the optical power associated with the night vision apparatus.

Abstract: A connection apparatus for a mobile telephone, includes a plug (2) and a receptacle (1) that each has both beam contacts and coaxial contacts. The plug includes a receiver (10) with a cavity (46) and with a sheath (50) lying within the cavity, and with a gap (22) between them. The receptacle includes a casing (17) that fits into the gap and that receives the sheath of the plug. The plug sheath includes an elongated bridge (9) from which beam contacts (8) project that mate with beam contacts (4) of the receptacle casing. The sheath also includes a coax sheath part (14) that is contiguous with the bridge and that forms a hole (15) that receives a coaxial contact (11) that mates with a coaxial contact (6) in the receptacle casing.

Abstract: A hinge and check assembly for checking the door of a motor vehicle when in the open position. The assembly provides a base having check profiles formed therein to establish predetermined check positions. The assembly also provides a strap that provides a spring biased contact surface for engaging the check profiles formed in the base. The strap is pivotally connected to the base through a pivot pin that defines a hinge axis, and the strap is allowed to rotate with the door of the vehicle about the hinge axis. Upon rotation of the strap, the contact surface follows the check profile and establishes a predetermined check position. The check profiles are perpendicular to the pivot pin, and the contact surfaces are perpendicular to the check profiles so that the check force applied to the pivot pin is in an axial direction. By having the check force applied axially to the pivot pin, deformation and wear to the pivot pin and its associated bushing does not occur.

Abstract: A pick-up tube of a camera device is optically coupled to an image intensifier tube. An exposure control circuit is provided which monitors the charge supplied to the phosphor screen of an image intensifier device and, thus, to the photodetector of the pickup tube, and which varies the exposure time in accordance with the level of scene illumination and the charge storage capability of the photodetector. The exposure control system also adjusts the gain of the image intensifier in accordance with the scene illumination prior to readout of the photodetector in order to optimize the signal to noise ratio.

Abstract: A steering column mounted stalk switch apparatus includes an elongated shaft having a hub fixedly mounted at one end. The hub fixedly engages one end of a hollow knob housing. An aperture is formed in the opposite end of the housing and movably receives a button therein having at least one electrical contact mounted thereon. A carrier is slidably mounted in the housing for movement between a plurality of discrete positions and includes a projection extending externally through a side wall of the housing. Electrical contacts are mounted on the carrier and engage conductive tracings on the circuit board as the carrier is moved between the discrete positions.

Abstract: A connecting device is described for use in a test clip whose multiple contacts engage multiple leads of an IC (integrated circuit) device, which can be constructed reliably and at low cost. The test clip includes a flat flexible cable (54, FIG. 7 ) mounted on a clip housing, the cable having parallel conductors (50) mounted on insulation 53. Lower end portions of the conductors serve as lead-engaging contacts. Each conductor lower end portion extends in a substantially 180.degree. loop (62), with one side (70) of each loop being positioned to engage a corresponding lead of the IC device.

Abstract: In order to be able to adjust the distance between a reaction disc and a second part of a a two-part valve piston interacting with the former in a completely assembled vacuum brake power booster, a tubular sleeve is provided according to the invention which is disposed coaxially with a piston rod actuating the valve piston, which is axially slidable and which is engageable with a first part of said valve piston being coupled to the second part by means of a threaded union in order to apply a torque to the first piston part.

Abstract: A neural network provides automatic control of a windshield wiper. A rain sensor generates sensing signals indicating a rain pattern, and the neural network generates wiping demand signals indicating a wiping action desired by the driver. A training unit uses manually generated wiping supervision signals to create weight factors for the neural network.

Abstract: The inherent structure of redundant information fields contained in the message format of a multifrequency communication system is utilized to determine if the information on the individual hops has been degraded due to interference. By detecting bit errors in the received data sequence and identifying the frequencies on which signals representing the bits in error were transmitted, one can block out data from those frequencies on a dynamic basis. The received data sequence is correlated against the possible code words that might have been transmitted. The result of this correlation is a decision by the receiver that a particular code word was transmitted. Then, the code word that the receiver decides was transmitted is compared against the received data sequence and bit errors are identified. Finally, by knowing the relationship between the transmission frequencies and the order of the received bits, the receiver can identify the frequencies on which signals representing the bits in error were transmitted.

Abstract: An interactive multi-module program analysis system consists of a batch data base load system for creating databases based upon information derived from program modules interface to be analyzed. This information includes inter-module information which is used in an interactive on-line program analysis system which allows the programmer/analyst to conduct an in-depth, thorough investigation of the modules selected, including data analysis, process analysis and impact analysis. The on-line system includes aids for navigating within the system and for reporting desired results from the on-line analysis.

Abstract: The invention is a method and circuit for improving the settability of the output current (i1) of at least one pad driver (D: D1, D2, . . . Dn) to reduce interfering voltage dips on the supply lines. The pulselike current peaks caused by rapid charging/discharging of high load capacitances (c) are particularly avoided. To this end, the respective output transistor (t1, t1') is operated as a current-controlled element in a first range (b1) of the output voltage (OUR) and as a voltage-controlled element in a second range (b2).

Abstract: A combined retainer clip and shaft for axially fastening a mechanical element to the shaft includes a shaft being hardened to a predetermined hardness. The retainer clip is formed of an annular body with a frusto-conical annulus surrounding a generally central aperture and hardened to a hardness higher than the hardness of the shaft. The retainer clip is mounted on the shaft at a predetermined position to fixedly mount the mechanical element on the shaft. In one embodiment, a plurality of notches are circumferentially spaced about the portion of the annulus surrounding the aperture in the body to form a discontinuous shaft engaging surface.