Abstract: A refrigerator shelf for dispensing cans or thawing food. Adapted for mounting in the limited height space below a meat keeper, the shelf defines a one-legged tray which is supported by the cross members of a cantilever-suspended frame. The cross bars are substantially L-shaped and inverted such that the respective supporting short sides are at different vertical heights. When the legged end of the tray is forward, the tray is held horizontally. When the legged end of the tray is rearward, the tray functions as a front loading can dispenser because it is inclined towards the rear.

Abstract: A method for controlling a rotating-field machine supplied from an inverter, the output voltage system of the inverter being variable with respect to amplitude, phase and frequency includes supplying amplitudes of stator flux components formed from measured stator current components and stator voltage components as actual value of a flux control loop, and changing the phase and frequency of the inverter output voltage system with a flux control as a function of a predetermined stator flux reference value by directly setting-in the switching state of the inverter and an apparatus for carrying out the method.

Abstract: Compressible metal spring washers are mounted around the shank portions of terminal rivets and are clamped against thin conductor laminae of a flexible printed circuit having a resilient resinous plastic base lamina, clamped by the rivets against a relatively rigid plastic terminal supporting member. Each washer has a central dished portion, a reversely dished peripheral portion, and a smoothly rounded annular bulging portion therebetween for engaging one of the thin conductor laminae, without cutting into the laminae. The spring washers obviate any looseness of the terminal rivets due to dimensional variations, shrinkage with age, and temperature variations.

Abstract: A multiple male pin electrical header is provided for connection to the surface of a printed circuit board. No header components need extend entirely through the board. The header comprises an integral and electrically insulating body member; and the plurality of male pin connectors extend through the body member. The pins have tail portions adapted to electrically contact pads or other surfaces of a printed circuit board. Pin head portions extend upwardly for connection with another electrical connector. The header body portion is formed to define a plurality of pin cavities, each cavity being shaped to expose only an individual male pin connector for contact by test probe. These cavities are shaped to discourage simultaneous test probe shorting contact across a plurality of connector pins.

Abstract: The installation system accommodates modular circuit boards, each board providing several RJ-11-style jacks. The circuit boards are secured to the front panel in a parallel, spaced apart configuration using mounting brackets which have metal shield plates to minimize cross talk and radio interference. Connections between a central computer and peripheral devices are conveniently made by plugging jumper cables into selected jacks. The jacks are arranged in a compact matrix with all entrance cables being provided with solderless connectors and being laid side-by-side and secured to the circuit board with tie straps. A method of interfacing a computer to peripheral devices is also disclosed.

Abstract: An electrical connector and an apparatus for providing staging of electrical connections between a motherboard and a daughterboard is disclosed. An angled insulator having first and second legs forms a pie-shaped cavity for receiving one edge of a printed circuit board. The first leg forms a fulcrum about which the printed circuit board is rotated until it abuts an alignment surface of an electrically insulating stiffener formed in the second leg. A second connector is used for providing staging of electrical connections. Protective end caps prevent the insertion of a printed circuit board until it is properly aligned.

Abstract: A plurality of wide flat bus bars (A,B,C,N) stacked in flat face-to-face relation are clamped against separation forces of short circuit currents in the bus bars by U-shaped reinforcement channels (6,14) disposed over opposite edges of the bus bars with bight portions (6a,14a) of said channels abutting the edges of the bus bars and leg portions (6b,14b) thereof extending along flat surfaces of outer ones of said bus bars. A plurality of bolts (8) through aligned holes in outwardly directed flanges (6c,14c) formed on the free ends of the legs of the channels and are threadably tightened to draw the channels together and to exert a clamping force against the flat faces of the bus bars. A flat sided housing (16,24) is attached to the channels (6,14) and may be provided with access openings (16a) at intervals therealong for making plug-in connections with the bus bars.

Abstract: A switch including a plug and a socket for use with high intensity currents includes a power circuit and a pilot circuit for maintaining current flowing through the power circuit. The switch also includes an apparatus for controlling the pilot circuit and preventing insertion of the plug into the socket when the at least one socket pilot contact and the at least one plug pilot contacts are in a closed position.

Abstract: A chip connector which includes conductive contacts which electrically contact the carrier. The contacts include an outwardly extending cantilevered projection to allow the contacts to be shifted outwardly on downward engaging movement of the connector top to allow insertion or removal of the chip. The connector base includes a wall positioning part which biases the contacts into a preloaded or clamped position.

Abstract: In a connector in which a plug connector is held in a cover, locking members are mounted on the cover, and when the plug connector is engaged with a receptacle connector the locking members automatically engage locking pieces of the receptacle connector to lock the connectors in an engaged state, the plug connector is entirely housed in the cover for release levers of the locking members used for unlocking. The locking pieces of the receptacle connector are formed integrally with the body of the connector and each is fitted into a square reinforcing frame formed integrally with the flange of a metallic shell of the receptacle connector, by which the locking pieces are mechanically reinforced.

Abstract: An electric multiple-socket end connector has registering housing shells which present sets of openings for receiving plug blades and interlock when pressed together by way of flexible legs with locking feet on one of the shells which pass through passages in the other shell. These legs deflect while the feet pass through the passages whereupon the legs spring back causing the feet to snap into locking position. The housing shells present a central wireway between two conductor plates registering in the housing shells with sets of openings for receiving plug blades. These plates have extensions presenting cord piercing contact barbs to make electrical contact with the wire leads in an insulated cord held in the wireway when the housing shells are pressed together.

Abstract: A panel for the connection of lights on motor vehicles, comprising strip connectors and a support defining guiding walls which cooperate by interference with the connectors after installation.

Abstract: A metal junction box effects connection of a cable (13) having a grounding shield (15) surrounding insulated electrical conductors (17) which extending out from the end of the said shield, and connected to a multi-pin connector plug (10). The box is equipped with a sleeve (4) over which the grounding shield (15) is fitted and held in place around the sleeve by a ferrule (19). The box is formed by a bracket (1) consisting of a central arm (2) and two, right angle side arms (3). Two lateral covers (11), have flanges (12) orthagonal to the planes of the covers (11). The sleeve (4) is coaxial of the bracket. The bracket (1) includes on its two side arms (3) two double mounting lugs (6) against which the two covers (11) are screwed from opposite sides. The ends of the two side arms terminate in tabs (7) directed toward each other. A metal plate (9) of the connector plug ( 10) is pressed at its ends against the tabs (7).

Abstract: The invention is an EMI shielded electrical connector characterized by a molded plastic housing (20) that has embedded therein an electrically conductive wire mesh (10). The wire mesh (10) includes an electrically exposed internal shoulder (11) and ends (12 and 13) that may be connected to other electrically conductive members to ground out unwanted electromagnetic interference.

Abstract: An L-type coaxial plug connector adapted to be connected to one end of a coaxial cable has a crimp sleeve on the outer sheath of the coaxial cable and adapted to be collapsed so as to fix the coaxial cable to the plug connector. The outer shell has a cylindrical portion holding a dielectric member in which the central terminal is fixed, a cylindrical outer conductor fitting portion adapted to be inserted into the boundary between the inner dielectric layer and the outer conductor of the coaxial cable, and an intermediate portion which extends axially from a portion of the upper circumferential edge of the cylindrical portion so as to connect the portion of the cylindrical portion to the corresponding portion of the lower circumferential edge of the outer conductor fitting portion, such that the axes of said cylindrical portion and the outer conductor fitting portion extend in parallel with each other.

Abstract: A single piece contact element including a termination portion at one end, a female contact portion at the other end, a press fit region between the two portions, the press fit region being adapted to form a contacting region when the contact element is pressed into a circuit board. An opening is provided in the contact element in an area above the press fit region such that a press-in tool pin inserted through the female contact portion comes into engagement with a location of the contact element, which location is aligned with the longitudinal axis of the termination portion.

Abstract: A photo scanner device including a rotary disk having a plurality of holograms thereon and arranged in at least two concentric circles with respect to the axis of rotation of the disk, and a light source which generates a beam of light which is incident on the disk at a selected radial distance which may be varied so as to illuminate the holograms arranged on a selected concentric circle. The holograms on the same concentric circle each subtend the same angle from the axis, and the holograms on different concentric circles subtend different angles from the axis, thereby permitting the angle of scan to be switched by selection of the radial distance at which the beam of light is incident.

Abstract: An electrical and fiber optic connector assembly terminates the electrical conductors and fiber optic transmission members of a cable so that the electrical conductors are electrically connected to electrical terminals latchably mounted in a housing member and for electrical connection to electrical paths of a circuit board and the fiber optic transmission members are optically connected to transmitting and sensing photoelectric devices which are mounted in the housing member and also electrically connected to electrical terminals latchably mounted in the housing member for electrical connection to electrical paths of the circuit board.

Abstract: A light waveguide plug device which has a body with a concentric bore for receiving a light waveguide being received in a guide sleeve which supports an optical light transmitter such as an LED for emitting light which is coupled into an end of the light waveguide in the bore characterized by an arrangement to sense the condition of the optical light transmitter or LED which comprises an additional or second bore receiving an additional or second light waveguide whose end receives some of the light scatter from the transmitter and conducts it to an optoelectrical transducer to convert the light into electrical signals utilized to monitor the condition of the transmitter.

Abstract: The semiconductor layer of an opto-electronic device has one or more films of a pnictide rich material deposited thereon. The pnictide has a smaller reflective index than the semiconductor layer. These films provide a wave-guiding effect to light within the semiconductor layer in opto-electronic devices, such as solid state lasers and light emitting diodes and wave guides interconnecting such devices.

Abstract: Coupling between narrow-and wide-channel optical waveguides is found to be very efficiently performed by coupling regions in the form of parabolas. Design equations for parabolic coupling regions are given.

Abstract: The method for constructing microlens ends for optical fibres, particularly for biomedical and/or surgical use, is characterised by propagating in the optical fibre a radiation of the type used during the application of the fibre itself, and to which said fibre is transparent, and converting the wavelength of the radiation, outside to the fibre and in proximity to its output end, which has been previously cut along a plane orthogonal to its axis, into a band of wavelengths which can be absorbed by the fibre, for a time sufficient to cause localized fusion of the end.

Abstract: Increased light energy is introduced into the end of a fiber in a fiber optic light transmission system by this invention, thus providing further distances between repeater stations along long transmission paths and producing higher signal energy levels along the transmission path. This is achieved by presenting input modulated light from a ring shaped light emission pattern concentrically configured about a fiber near an end for receiving input light signals, and processing the modulated light from the ring pattern with an optical system including a parabolic reflector receiving the modulated light to direct and focus it upon the end of the fiber for transmission along the fiber. Light emitting semiconductors with ring shaped emission junctions about a central duct for passing a fiber provide more energy than conventional shapes in a manner that may be processed in a simple low loss optical system.

Abstract: An optical repeater for an undersea telecommunications system has a tubular casing (1) closed by a bulkhead (2) with a tail cable gland (2a) providing a common feed through for electrical power conductor (39) to power the regenerator and for optical fibres (28) for optical intelligence signals. Then the electrical power conductor and optical conductor are fed through separate glands ((40) and (32)) which facilitates manufacture and individual pressure testing prior to assembly in the regenerator.

Abstract: An apparatus for providing and maintaining the alignment between a fiber and a device during the bonding of the fiber to the device and the subsequent assembly of a housing thereover is disclosed. The apparatus comprises a base, including means for holding the device, adjustably connected to a first support. A lower fiber holding means is attached to the first support such that it extends over the device holding means. An upper fiber holding means is attached to a second support which extends over the lower holding means. Means are also provided for securing the device housing above the lower fiber holding means.

Abstract: An optical fiber splice comprises two coated fibers, generally of fused silicon, fusion spliced end-to-end. The coating is removed from the ends of the fibers for a short distance prior to fusion. After fusion the uncoated ends and a short length of coated fiber, each side of the fusion joint, are encased in a synthetic resin. Conveniently, the resin is molded about the fibers and is cured by radiation, such as UV light, bright visual light and ion bombardment. The resin may contain reinforcement material.

Abstract: An optical fiber for transmitting high optical power and of the type having a central core portion adapted to conduct radiation, a cladding layer surrounding the core and at least one covering surrounding the cladding adapted to give an improved mechanical stability to the fiber and to damp scattered radiation wherein, in order to prevent the radiation level in any volume part of the covering from exceeding the limit at which the material of the covering is damaged, the fiber is, at least at its entrance side over a part of its length, provided with radiation resistant and radiation absorbing materials comprising a radiation resistant transmitting material with a real refractive index exceeding or close to that of the cladding, and one, or several, additional material layers of which the outermost are of heat-conducting materials, the radiation being absorbed in the outermost heat-conducting layer(s).

Abstract: A low loss cladded halide fiber for transmission of infrared energy is provided, and a process for making the same by growing a single crystal ingot from a powder of a core halide, extruding or machining the ingot to provide a cylindrical billet core, assembling the billet core, preferably wrapped in a polymer film, within a sleeve member of a second halide of lower refractive index than the core, prepared in the same fashion as the core, and coaxially core drilled to accept the billet core. The assembled composite billet is covered with a polymer film, heated, and extruded to form a polymer coated fiber having a diameter in the range of 75 to 2,000 microns. The extruded fiber may be rapidly cooled as it leaves the extrusion die to minimize grain size and scattering loss and may be contained in a coaxial outer strength member.

Abstract: An optical fiber which is able to transmit high power infrared energy, and is flexible and long in life is described. The fiber consists essentially of a mixed crystal of 40 to 45 wt % of thallium bromide and the balance of thallium iodide, each having a purity not less than 99.9%. The fiber is free of any particles having a size not smaller than 1 .mu.m.

Abstract: An objective lens drive/support mechanism in an optical disc player system includes an objective lens support member which is slidably and rotatably secured to a main shaft of the mechanism. An objective lens is supported by the objective lens support member at a position which is separated from the main shaft by a predetermined distance. The objective lens support member is driven to slide along the main shaft to perform the focus control, and the objective lens support member is rotated around the main shaft to perform the tracking operation. A symmetrically "8" shaped elastic damping member is tightly secured to the main shaft at the center of the symmetrically "8" shaped elastic damping member. Both ends of the symmetrically "8" shaped elastic damping member are fixed to the objective lens support member, whereby the single symmetrically "8" shaped elastic damping member conducts the damping operation in both the focal direction and the tracking direction.

Abstract: The invention relates to a method of discrimination in spectrometry, particularly of eliminating phenomena of fluorescence in Raman spectrometry. According to the invention, a sample (6) is excited by a luminous pulse (5) generated from a laser (1). The light (7) emitted by the sample (6) is directed into an interferometer (8) of which the duration of a round trip of a luminous ray is significantly longer than the duration of the pulse of the incident wave and shorter than the duration of the phenomenon of fluorescence. The resulting light (9) is then directed to a second interferometer (10) of which the optical path is slightly different from that of the preceding interferometer (8). The light (11) is recovered at the outlet of the second interferometer (10) and this wave is analyzed by means of a spectrometer (12). The invention is applicable particularly to the analyzing of samples in the chemical industry.

Abstract: A sight tube for ultraviolet monitoring of liquid and capable of handling industrial scale flow rates for example 40 gallons (180 liters) per minute in which the shape is especially designed to allow oppositely disposed windows, through which the ultraviolet light passes, to be relatively close together. The sight tube has an interior the central section of which has a flat sided portion adjacent and parallel to the windows, the flat sided portion being flanked by two side portions which are thicker than said flat sided portion, the tube having cylindrical end sections joined to the central section by intermediate sections which provide gradual transitions between the section shapes.

Abstract: A photoradiator in the form of an elongate light conducting member is formed with at least one strip of light diffusing material, spiral groove or annular groove, which serves as light radiating means. Light input into one end of the light conductor is routed therethrough to be radiated radially outwardly of the light conductor by the radiating means. Despite a small diameter and flexibility of the light conductor, the grooves, either spiral or annular, are formed accurately and efficiently with the light conductor held stable in position. The light radiation efficiency is increased by a flat reflector located at the other end of the light conductor, the pitch of the radiating means which progressively decreases toward the other end of the light conductor, and/or, in the case of grooves, the depth of the radiating means which progressively increases toward the other end of the light conductor. A protective casing hermetrically encloses the periphery of the light conductor at a spacing therefrom.

Abstract: The invention concerns a method of making a segmented mirror, the mirror comprising, in combination(a) a myriad of surfaces carried by a support, certain of said surfaces dimensionally offset from one another in a common direction generally parallel to the general direction of incident radiation to reflected, said surfaces being radiation reflecting surfaces each oriented in such a way that as a group they collectively reflect radiation essentially as they were a continuous reflecting surface,(b) each of said surfaces having a periphery comprising an irregular or repeating series of line segments which are connected, curved or linear, the peripheries of said surfaces, when projected in said common offset direction onto a plane perpendicular thereto, contiguously conforming to one another,said method including providing a die, used for casting the mirror segmented surface and constructing the die from a casting of a continuous surface of the desired shaped by cutting said casting, or a casting thereof, into sm

Abstract: Circuit layout for the actuation of liquid crystal layers, formed by flip-flops (4, 5) arranged in the feeder lines of the conducting layers, with a common dimmer-IC preceding the reset inlets (R) and synchronized in a frequency dependent manner, wherein the flip-flops (4, 5) are timed synchronously, so that their preparatory inlets (4/5, 5/9) are actuated with a phase shift of 180.degree. and the clocking inlets (4/3, 5/11) are timed with the double frequency of the preparatory inlets (4/5, 5/9). The timing means consists of an oscillator (10a) and a decoupling gate (10b), the outlets of which are connected with a frequency divider, each (8, 9) preceding the dimmer-IC (7) and the flip-flops (4, 5), of which the frequency divider (9) preceding the flip-flops (4, 5) serves as an alternator, the inverted outlets (9/1, 9/2) of which are connected with a preparatory inlet (4/5, 3/9) of the flip-flops (4, 5).

Abstract: A light influencing display is provided which has a plurality of pixel group, each pixel of which includes a first electrode formed on a first surface and an opposing, second electrode formed on a second surface. A separate three terminal control device of deposited semiconductor material is formed on the first surface in association with each pixel. Each control device has a control terminal and two current path terminals, a first of which is connected to the first electrode of the control device's associated pixel. A voltage supply lead is formed on the first surface in association with each pixel group, and is connected to the second current path terminals associated with its pixel group. Similarly, a control lead is formed on the first surface in association with each pixel group, and is connected to the control terminals associated with its pixel group.

Abstract: Trialkanoyloxysilanes of the formula IR.sup.1 --A.sup.1 --A.sup.2 --O--C.sub.n H.sub.2n --Si(OOCR.sup.2) 3 Iwherein R.sup.1 is H or an alkyl group of 1-10 c atoms, wherein one or two non-adjacent CH.sub.2 groups may also be replaced by oxygen atoms, or is F, Cl, Br or CN, R.sup.2 is an alkyl group of 1-5 atoms, A.sup.1 and A.sup.2 are each 1,4-phenylene or 1,4-cyclohexylene groups and n is 2, 3, 4, 5 or 6, can be used for generating a homeotropic orientation of liquid-crystalline phases on surfaces.

Abstract: A liquid crystal display comprises two sheets of plastic film, two transparent electrodes respectively formed on one sides of the sheets and opposed to each other with spacer powder therebetween, and liquid crystal material sealed-in between the electrodes. The spacer powder is coated with a hot melt adhesive, such as vinyl acetate adhesive or polyethylene adhesive, by adding an antiflocculating agent, such as polyethylene wax, and spacer powder, such as aluminum oxide, to suspension of the hot melt adhesive, and then drying the suspension. The resultant powder is fixed to the sheets by the adhesive.

Abstract: A liquid crystal color display device for displaying a color image represented by an applied image signal, including a liquid crystal cell, one or two polarizers, and a fluorescent light-emitting means. The liquid crystal cell and one polarizer disposed on one side thereof, or the liquid crystal cell and the two polarizers sandwiching the same, jointly constitute a switching element responsive to the image signal applied to the liquid crystal cell for passing electromagnetic radiation in a pattern representing the image given by the image signal. The fluorescent light-emitting means has a fluorescent layer and a lamp for generating electromagnetic radition, and may additionally include a color filter. The fluorescent layer is responsive to the electromagnetic radiation from the lamp for emitting chromatic fluorescent light. Where the fluorescent light-emitting means has the color filter, the fluorescent light passes through the color filter to display the image.

Abstract: A spatial light modulator consisting of an electron beam source formed within a vacuum envelope and an electro-optic crystal assembly for storing electrons emitted from the electron beam source as a charge to change the optical property thereof. The electro-optic crystal assembly consists of a pair of electro-optic crystal plates of the same materials, i.e., LiNbO.sub.3, LiTaO.sub.3, or Bi.sub.12 SiO.sub.20. As an example, LiNbO.sub.3 is cut in such a way that the normal to its surface is located in the (-Y, Z) plane and makes an angle of 55 degrees with the Z-axis. The electro-optic crystal assembly further consists of a pair of electro-optic crystal plates having different thickness which are combined through a transparent conductive film so that the surface of the thinner electro-optic crystal plate faces the electron beam.

Abstract: The simultaneous and equal tuning of two birefringent crystal elements of a Solc type optical filter by pairs of quarter-wave plates adjacent to each and oriented such that equal and opposite physical rotations between the plates of each pair tunes its adjacent birefringent element in the same direction without changing the relative orientations of the filter input and output. Also, the simultaneous and equal tuning of two birefringent crystal elements of a Solc type optical filter by the rotation of a single contiguous group of optical components.

Abstract: A laser instrument of the kind used to read or to detect light reflected from a target which is spaced from the laser instrument comprises a laser for generating a laser beam for transmission to the target, and a detector for detecting light reflected from the target and a trifocal, composite, single piece lens system. The trifocal lens system receives the laser beam from the laser at an angle which is off the optical axis of the lens system, routes the received laser beam onto the optical axis for transmission through the lens system and toward the target, collects light reflected from the target and images and transmits the collected light along the optical axis to the detector means. In a specific embodiment of the invention the trifocal, composite, single piece lens system is a plastic molded structure.

Abstract: The deflection of a light beam in two mutually perpendicular directions ensues by rotating two spindles which are hinged to a single deflection mirror and whose axes reside perpendicular to one another. The first spindle is hinged to the deflection mirror via a fork joint such that the trunnion axis of said fork joint and the axis of the first spindle are perpendicular to one another. The second spindle is hinged to the deflection mirror via a turning arm and a dog secured to the backside of the deflection mirror. So that the two spindles can be turned independently of one another, the dog is guided in the turning arm so as to be freely pivotable around the axis of the first spindle. The dog is preferably guided in a slot of the turning arm. Apparatus equipped with only a single deflection mirror for the deflection of a light beam in two mutually perpendicular directions are usefully employed in laser labeling.

Abstract: For use in inspecting the interior pipelines and other machinery subjected to risk of explosive gasses, an improved explosive proof apparatus is disclosed. The apparatus includes a periscope assembly having an optical system and lamp sealed therein for viewing a specified area subject to illumination by the lamp. Moreover, a separate battery pack is included. A flow of nitrogen gas is delivered to the battery pack and periscope to surround the electrical components to thereby prevent explosion.

Abstract: To allow rapid change between the conoscopic observation method and the orthoscopic observation method in a microscope, while showing a small overall size and permitting and optically correct position of the Bertrand lens and the associated diaphragm, an additional supplementary beam path can be selectively used in addition to the main beam path. The supplementary beam path includes the Bertrand lens and the iris diaphragm and extends away from the optical axis of the microscope objective in a lateral direction.

Abstract: A plurality of thin flexible sheet ribs are secured to thin flexible sheet stringer members to form a distortable frame structure. One edge of the ribs lie in a curved surface such as a parabolic cylindrical surface. A thin sheet of boron-silicate glass, preferably formed with a second surface mirror, is annealed and then bent at room temperature to abut the edges of the ribs lying in the curved surface and is retained in place by ribs at opposite edges of the sheet. The inherent strength of the glass under stress, when bent, provides structural rigidity to the combined elements.

Abstract: The invention relates to a mirror having a non-plane reflecting face (M.sub.2), said mirror being constituted by a mass of optical material (M) having cells (A) formed therein in such a manner that the centers of gravity (g) of the portions of mirror material surrounding each cell lie in the same plane as the center of gravity (G) of the mirror as a whole. The invention is particularly applicable to large diameter mirrors used in telescopes and whose optical axes are generaly used in a horizontal position (or close thereto). The aim of the invention is to reduce the distortion phenomena which may occur due to the mirror bending under its own weight.

Abstract: A mirror assembly for attachment to a vehicle such as a motorhome or semi-truck includes a first mirror plane adjusted to bring the distant rearward right highway lane into view of the driver, a second mirror plane adjusted downward and outward to bring to the driver's eye a view of only 50 feet of rearward right lane, and a bugeye mirror for bringing to the driver's eye a view of an immediately adjacent vehicle being passed. When the driver of the passing vehicle has passed the other vehicle, he knows it is safe to pull back into the right lane, ahead of the passed vehicle, when the images of both headlights of the passed vehicle come into a predetermined relationship with the second plane mirror.

Abstract: A memory positioning system for use in a remote control rear-view mirror having electric motors for adjusting the mirror's position, which position is electrically detected by linear potentiometers connected to a microprocessor that records the potentiometer-generated signals. After the signals corresponding to a pre-selected position have been recorded and the mirror adjusted to a different position, the mirror can be returned to the pre-selected position by commanding the microprocessor to operate the motors until the potentiometers detect the previously recorded positions corresponding to the recorded signals. A rib and slot on the mirror's main spherical pivot mounting provide only a limited predetermined amount of vibration-absorbing pivotal movement about an axis which intersects the plane of the mirror. The mirror also has stops which permit only a limited amount of pivotal movement about the same axis.

Abstract: A night driving dazzle protection system uses anti-dazzle screening material transmitting less than 40% of incident light and arranged on screened portions of right and left eyeglass regions 30 and 20 in front of a driver's eyes. As viewed by the driver, the eyeglass region 20 in the view of the driver's left eye is screened between about 7:30 o'clock and about 9:00 o'clock, and the corresponding eyeglass region 30 in the view of the driver's right eye is unscreened between about 7:30 o'clock and about 9:00 o'clock. Preferably, right and left eyeglass regions 30 and 20 between about 3:00 o'clock and about 4:30 o'clock are screened for the driver's right eye and unscreened for the driver's left eye. Also, upper portions of each of the eyeglass regions are preferably screened from about 9:00 o'clock to about 3:00 o'clock.