Abstract: An array of thin film actuated mirrors includes an active matrix and an array of actuating structures, each of the actuating structures including an elastic member, a pair of conduits, a second thin film electrode with a stripe, a thin film electrodisplacive member and a first thin film electrode.

Abstract: A flat screen receives light from a light projector at a projector location, and reflects the light to a spectator area. The screen has a center, spaced apart upper and lower edges and a pair of spaced apart side edges. The screen includes a multiplicity of reflective elements arranged in a plurality of vertical rows. Each row extends between the upper and lower edges of the screen. The plurality of rows are horizontally spaced and distributed between the pair of side edges. The elements of one row are displaced vertically with respect to the elements of an adjacent row and all of said element lie in a common plane so that the screen is flat. Each element has an optically active convex surface with a vertical generatrix and a curved horizontal directrix which crosses the generatrix at a center of the element.

Abstract: An array of M.times.N electrodisplacive actuated mirrors for use in an optical projection system is assembled by way of: (a) preparing two identical ceramic wafers; (b) forming M identical trenches thereon; (c) interlocking and bonding together to form a ceramic block; (d) forming a composite ceramic structure from the ceramic block by polishing the top and bottom surfaces thereof; (e) providing M.times.N signal electrodes and M+1 bias electrodes; (f) mounting on an active matrix to thereby form an array of M.times.N actuators; (g) placing M+1 photoresistive segments; (h) preparing places for attaching platforms, to be formed thereon a light reflecting layer; (i) forming a light reflecting layer; (j) pattering the light reflecting layer, including the platform, into an array of M.times.N mirrors; and (k) removing the M+1 photoresistive segments to thereby form the array of M.times.N electrodisplacive actuated mirrors.

Abstract: A rotary polyhedral mirror includes a plurality of reflective surface portions and a connecting portion connecting the plurality of reflective surface portions, wherein the plurality of reflective surface portions and the connecting portion being integrally formed portions of a member which is subjected to a mirror surface treatment prior to the member is formed in a polyhedral shape.

Abstract: An M.times.N actuated mirror array for use in an optical projection system, wherein M and N are integers, including: an array of M.times.N electrodisplacive actuators wherein each of the M.times.N electrodisplacive actuators is provided with a top surface, a bottom surface, a pair of external sides and has a bimorph structure having a pair of layers of an electrodisplacive material, a common signal electrode located between the pair of layers of the electrodisplacive material, and a pair of reference electrodes provided on the external sides thereof an array of M.times.N mirrors wherein each of M.times.N mirrors is coupled with each of the M.times.N electrodisplacive actuators and is mounted on the top surface of each of the M.times.N actuators an active matrix substrate comprising a substrate and an array of M.times.N second conductive type MOSFETs formed on the substrate; and an array of M.times.N connecting terminals wherein each of the M.times.

Abstract: A blank is formed of a sintered alloy by sintering a mixture of powdered materials including powdered aluminum, and at least one of powdered silicon, powdered magnesium, and powdered chromium. This blank, being made of the sintered body, can be molded into a shape close to the final shape of a rotary polygon mirror. For example, a mirror surface can be molded into a desired shape in advance. Therefore, the final product of the rotary polygon mirror can be obtained with ease by subjecting the blank to a simple finishing process by cutting.

Abstract: A rotary polygonal mirror for a deflection scanning device includes a regular prism-shaped main body portion consisting of a resin material, a projecting portion which projects from an upper surface of a central portion of the main body portion, and a reflection film formed on side surfaces of the main body portion. The projecting portion consists of the same resin material as the resin material of the main body portion. The main body portion and the projecting portion are integrally molded by injection molding or injection compression molding. A gate portion in the molding is provided to the projecting portion.

Abstract: A polygonal mirror of synthetic resin of low cost and which is faithful to the desired standard mirror with respect to flatness, shape, size and other characteristics is made by improving the shape of the polygonal mirror. The mirror includes a plurality of reflection surfaces on side surfaces of a polygonal pillar and a concave fitting portion, which is made instead of a conventional through hole, in its center. The concave portion is used as a reference point for fitting the polygonal mirror over a scanner motor and a convex portion made in a scanner motor side fits into it. Instead of the concave fitting portion, a convex portion can be made in the center of the polygonal mirror with which a concave portion made in the scanner motor side fits.

Abstract: A scanning system uses a polygonal mirror assembly with each facet of the polygon having an ellipsoidal mirror located thereon. One focal point of each ellipsoidal mirror is located at a common point on the axis of rotation of the polygonal mirror assembly. As the mirror assembly rotates, a second focal point of the ellipsoidal mirrors traces out a scan line. The scanner can be utilized for scanned output display of information or for scanning information to be detected.

Abstract: A rotary polygon mirror has reflecting mirror faces formed at side faces of a prism of a predetermined height, and includes an axially symmetrical projection formed along at least parts of outer peripheral edges of the prism on upper and lower faces of the prism.

Abstract: A method for manufacturing a multi-faceted polygon for a laser writer, comprises the steps of creating a plurality of scanning surfaces on the polygon; and creating a step which is positioned on a mounting surface of the polygon for indicating the center of rotation for the polygon.

Abstract: A digital micromirror device projection system employs an array of digitally operable micromirrors that are individually and selectively tiltable between ON and OFF positions. The array of mirrors is illuminated by a high intensity light source, and light reflected from those mirrors selectively driven to the ON tilted position is reflected to a projection lens for projection onto a screen. Concomitantly, light reflected from those of the mirrors in the OFF position are blocked by a system stop. The system stop is formed by a wedge-shaped bundle of optical fibers positioned immediately adjacent the mirror array. The fiber axes are all mutually parallel and are perpendicular to the mutually parallel planes of those of the mirrors that are tilted to the ON position so that the illuminating light is incident upon the mirrors in a perpendicular relationship and is retroreflected back through the optical fibers to the projection lens of the system.

Abstract: A method for forming an array of M.times.N thin film actuated mirrors for use in an optical projection system comprises the steps of: (a) forming a sacrificial layer on top of an active matrix; (b) forming an array of M.times.N supporting members on the sacrificial layer; (c) depositing an elastic layer; (d) forming M.times.N conduits; (e) depositing a second thin film layer; (f) forming an electrodisplacive layer; (g) patterning the elastic layer, the second layer and the electrodisplacive layer to form an array of M.times.N semifinished actuated mirror structures; (h) heat treating the array of M.times.N semifinished actuated mirror structures; (i) depositing a first thin film layer on each of the semifinished actuated mirror structures to form an array of M.times.N actuated mirror structures; (j) covering each of the actuated mirror structures with a protection layer; and (k) removing the protection layer and the sacrificial layer to thereby form said array of M.times.N thin film actuated mirrors.

Abstract: An actuator for tilting the plane of a mounted mirror comprises a substrate having an opening filled with a first metalization; a pair of electrodisplacive members mounted on the substrate, each electrodisplacive member having a side surface in a facing relationship with a second metalization formed therebetween and a grooved surface opposite therefrom with a third metalization formed thereon, the electrodisplacive members further having a polarization selected so that a voltage applied between the second metalization and the third metalization causes one of the electrodisplacive members to vertically expand and the other to vertically contract, thereby tilting the plane of the mounted mirror; a metal layer having predetermined dimensions, provided underneath the second metalization; and an electrically conductive adhesive paste layer disposed between the metal layer and the first metalization for providing an electrical contact therebetween.

Abstract: A non-reversing image mirror device is provided which is fabricated out of a single kind identical mirror units, with a front mirrored surface whereby the image produced has a centerline split which is virtually invisible or at least minimal when compared to devices mirrored on a rear surface. The mirror units are pivotally connected together at the mitered side edges for relative swinging of the mirror units between a closed position with the reflective surfaces disposed in a substantially parallel juxtaposed relationship and an open position with the reflective surfaces defining an angle of ninety degrees, when the mitered side edges contact each other. A reflected image when viewed in the middle between the mirror units will be a non-reversed image.

Abstract: A method of repairing mirror elements of a digital micromirror device (DMD) that have become stuck in an "on" position. The mirror element (10) is located and targeted with a laser beam. The wavelength, pulse duration, and power of the radiation is selected so that the mirror component (11) of the defective mirror element (10) will be ablated without affecting the underlying circuitry or neighboring mirror elements (10).

Abstract: An adjustable rear-view mirror arrangement for vehicles has a housing, a bearing arrangement arranged in the housing with a retaining plate in particular integrally united with the bearing arrangement for the adjustable positioning of a rear-view mirror and a mirror supporting plate fastenable to the retaining plate for the mounting of a mirror glass and arranged in a housing opening. In the vicinity of two opposite parallel lateral edges, the retaining plate is provided with joining projections, which for being fastened to the mirror supporting plate, are insertable by clamping into rear-recessed portions of complementary shape on the mirror supporting plate in parallel to the plate plane.

Abstract: An array of M.times.N thin film actuated mirrors includes an active matrix having a substrate with an array of M.times.N connecting terminals and an array of M.times.N transistors, and an array of M.times.N actuating structures, wherein each of the actuating structures being a bimorph structure, includes a second thin film electrode, a lower electrodisplacive member, an intermediate thin film electrode, an upper electrodisplacive member and a first thin film electrode.

Abstract: An array of M.times.N thin film actuated mirrors for use in an optical projection system, includes an active matrix, an array of M.times.N actuating structures, an array of M.times.N mirror layers and an array of M.times.N supporting members. Each of the actuating structures includes a first a second and a third identically structured actuating parts, each of the actuating parts having at least a motion-inducing thin film layer, a first and a second electrodes. The first electrode from each of the actuating parts is connected to ground, thereby serving as the bias electrode, and the second electrode thereof functions as the signal electrode. Each of the mirror layers is provided with an odd number of tab portions, each of the tab portions being partially separated from the neighboring tab portions by a dividing slot therebetween.

Abstract: An image projection system wherein light provided from a source passes through a prism and is then incident on an array of reflecting elements which are individually adjustable between a first and second position. Light reflected from each element re-enters the prism. Light from elements in the first position pass through the prism and into a lens. Light from elements in the second position travel through the prism, but do not enter the lens. The principal plane of the lens and the plane in which the elements are located are each parallel to the adjacent surface of the prism.

Abstract: A polygon mirror rotor includes a ceramic ring of a generally hollow cylindrical shape having a cylindrical inner surface serving as a sliding surface of a radial hydrodynamic bearing and a pair of end surfaces each serving as a sliding surface of a thrust hydrodynamic bearing. A plastic ring is fixedly fitted over the ceramic ring, and a polygon mirror made of aluminum is fixedly fitted over the plastic ring by shrinkage fit. The plastic ring has a thermal expansion coefficient greater than that of the ceramic ring as well as greater than that of the aluminum polygon mirror, thereby providing a polygon mirror rotor which does not adversely affect the jitter characteristic of a motor incorporating the rotor.

Abstract: A triangular prism mirror mounted adjacent a driver of a vehicle to enable the driver to view the blind spot area without any distortion of vision. The triangular prism mirror unit has three plane surfaces, the rear surface being blocked. By blocking the rear surface of the prism, the image entering one of the front surfaces will appear on the other front surface. Therefore the triangular prism mirror, when properly mounted, provides a clear vision for the driver of a vehicle giving access to the blind spot area.

Abstract: An array of M .times.N electrostrictive actuated mirrors for use in an optical projection system manufactured using the inventive method, comprising: an active matrix including a substrate and an array of M.times.N connecting terminals thereon; an array of M.times.N electrostrictive actuators, wherein each of the actuators includes an electrostrictive member having a top and a bottom surfaces, the top surface being separated by a trench thereby creating first top surface and a second top surface, a first electrode located on the bottom surface, a pair of second electrodes, each of the of second electrodes placed on the first and second top surfaces, respectively, and a pair of insulating layers, each covering the first and second top surface, respectively, including the second electrode placed thereon; an array of M.times.N hinges, wherein each of the M.times.N hinges is provided with a flat top surface and a bottom surface having a protrusion mounted on the top of each actuators; an array of M.times.

Abstract: A resin polygonal mirror having reflective facets each of which is made by injecting resin from a plurality of pin point gates or a single film gate. A core of the polygonal mirror is made of a different resin from the resin which is the material of the reflective facets. A mold of the polygonal mirror has side segments which are divided by parting lines extended from corners of the reflective facets.

Abstract: An exterior mirror assembly for a motor vehicle comprising a housing (11) containing a first mirror carrier (10, 50, 80) having a first substantially plane mirror (12, 58, 82) mounted thereon and a second mirror carrier (16, 52, 82) mounted adjacent to the first mirror carrier (10, 50, 80) for angular movement about an axis (18, 56, 86) parallel to an adjacent edge of the first mirror (12, 58, 82). The second mirror carrier (16, 52, 82) has a plane mirror (24, 66, 98) on a first face and a convex mirror (26, 68, 100) on a second face. When the second mirror carrier (16, 52, 82) in a first orientation, the mirror (24, 66, 82) on the first face forms a substantially continuous reflective surface with the mirror (12, 58, 88) on the first mirror carrier (10, 50, 80) of substantially uniform curvature.

Abstract: An array of M.times.N electrodisplacive actuated mirrors for use in an optical projection system is assembled by way of: (a) preparing two identical ceramic wafers; (b) forming M identical trenches thereon; (c) interlocking and bonding together to form a ceramic block; (d) forming a composite ceramic structure from the ceramic block by polishing the top and bottom surfaces thereof: (e) providing M.times.N signal electrodes and M+1 bias electrodes on the bottom and top surfaces thereof, respectively; (f) mounting on an active matrix to thereby form an array of M.times.N actuators; (g) preparing platforms, to be formed thereon a light reflecting layer; (h) forming the light reflecting layer; (i) patterning the light reflecting layer, including the platform into an array of M.times.N mirrors; and (j) making electrical connections to thereby form the array of M.times.N electrodisplacive actuated mirrors.

Abstract: An exterior rearview mirror assembly for a vehicle including an extendable mirror for improved rearward viewing is disclosed. Several embodiments of the rearview mirror assembly each comprise a mirror housing, a mirror disposed in the mirror housing, and some structure to allow extension of the mirror between an inboard position and an outboard position. In one embodiment, the mirror assembly includes structure to allow rotation of the mirror between inboard and outboard positions. The mirror may comprise a post disposed in a mirror shell and extending along a longitudinal horizontal axis which extends through a plane defined by the mirror, offset from a central vertical axis of the mirror. In another embodiment, the means for rotating the mirror comprises a pivot part having a shaft disposed in an aperture in the mirror shell, which is disposed along the longitudinal horizontal axis.

Abstract: A faceplate (10a) for directly viewing an image generated by a digital micromirror device (10b), which generates images by tilting tiny mirror elements (11) to on or off positions. The faceplate (10a) has a number of optical fibers (12) parallel to each other and closely spaced together. The ends of the optical fibers (12) are the top and bottom surfaces of the faceplate (10a). Both ends of each fiber (12) is sliced at an angle determined by the on position of the mirror elements (11). This permits light to travel down the fibers (12) and be reflected back to the viewer by only those mirror elements (11) that are on.

Abstract: An array of M.times.N electrodisplacive actuated mirrors for use in an optical projection system is assembled by way of: (a) preparing a ceramic wafer made of an electrodisplacive material, having a top and a bottom surfaces; (b) providing on the bottom surface of the ceramic wafer an array of M.times.N first electrodes; (c) forming a first metallization on the top surface thereof; (d) mask bonding; (e) forming an array of M.times.N actuating members by providing M trenches thereon using a sandblasting method; (f) mounting the ceramic wafer on an active matrix; (g) mask removing; (h) forming a second metallization; (i) providing a first photoresistive layer; (j) electroforming; (k) removing the first photoresistive layer; (l) providing a second photoresistive layer; (m) forming a platform with a flat top surface; (n) providing a light reflecting layer; (o) pattern the light reflecting layer, including the platform, into an array of M.times.

Abstract: An optical projection system, capable of displaying an M.times.N number of pixels and having a reduced optical path and hence a reduced size, wherein M and N are integers, comprises a non-point light source, an array of M.times.N actuated mirrors, a projection screen, a projection lens and a lens system including a first lens unit, a second lens unit and an optical baffle located therebetween, wherein the optical baffle is provided with a plurality of apertures and light absorbing regions, each of the lens units includes an array of M.times.N microlenses.

Abstract: A side mirror for a motor vehicle includes a day/night mirror having a planar reflecting surface and a blind spot mirror having a planar reflecting surface. The mirror includes a housing which covers the day/night mirror in a manner that prevents overhead lights from showing a double image. The day/night mirror reflecting surface is angled with respect to the blind spot mirror reflecting surface, and the blind spot reflecting surface is angled with respect to the day/night mirror reflecting surface in a horizontal plane when the mirror is mounted on the vehicle. Each of the mirrors is mounted on a spherical ball, and the mirrors can be moved independently of each other by a various systems having the controls remote from the mirror inside the vehicle. The systems include a cable system, or an electrical system or a mechanical system. The day/night mirror has an additional control to position the mirror for night driving as well as for day driving.

Abstract: A light stop having at least one appropriately laser textured surface assures the absorption of energy including laser emissions that impinge on the at least one surface to thereby inhibit reflected energy therefrom. Optionally, an improved emitter of energy is created by at least one appropriately laser textured surface having an increased surface area of emission to increase the emissive power of the surface to thereby provide improved conductive and radiative cooling. An improved absorber and emitter is fabricated by providing front side and backside textured surfaces. All these capabilities are provided in a variety of structural configurations.

Abstract: A new and improved hood mounted safety mirror for vehicles comprised of an elongated stem portion having a top surface, a bottom surface, a front portion, a back portion, and two side portions. The two side portions has an elongated mirror secured thereto. The elongated stem portion is secured to a center portion of a hood of a car. An arrow portion is integral with the front portion of the stem portion. The arrow portion has an inner surface, an outer surface, a top surface, a bottom surface, and two outwardly extending side portions. The inner surface of the two outwardly extending portions has a mirror secured thereto. Each of the two outwardly extending side portions is angled at a position as such to allow a driver to view obstructions off to a side of the car as reflected from the mirrors on the side portions of the stem portion to the mirrors within the recess of the outwardly extending side portions to eyes of the driver.

Abstract: A viewing device is adapted to enable an observer in a vehicle to view an object located to the rear of the observer. The vehicle has a rear vision mirror. The device comprises a support adapted to be rigidly affixed to the vehicle and a reflecting means mounted on the support. The reflecting means is capable of cooperating with the rear vision mirror so as to provide an image of the object in the rear vision mirror.

Abstract: An all-directional optical sensor apparatus 8 includes an all-directional prism 20 which has a cylindrical-shaped body with a hollow-out cone section formed in its top surface 22. The surface 28 of the cone works as a reflector 30 for rays received through side surfaces 24 of the cylindrical-shaped body. An optical sensing element is disposed adjacent to a bottom surface 26 of the prism 20. A roof plate 40 having a dimension larger than the top surface 22 of the prism is arranged for shielding the entry of any light other than an input signal into an upper portion of the prism 20.

Abstract: A deformable mirror device comprises a plurality of groups of colored mirrors responsive to electronic signals. Each group of mirrors is coated with a mixture of resist and dye thereby reflecting specified wavelengths of visible light.

Abstract: A new and improved obstruction eliminator with a circular base having a mounting end, a receiving end, and an intermediate surface therebetween. The mounting end has a suction cup thereaffixed. The intermediate surface has a pair of apertures diametrically opposed. A lever is rotatably received within the apertures of the intermediate surface of the circular base. A securement arm is secured to the lever and secured to the suction cup. A support post is secured within the receiving end of the circular base. Two mirror assemblies, each of which are rotatably secured to the support post. Two adjustable mirrors, each of which are rotatably secured to the two mirror assemblies.

Abstract: A true image mirror is provided which consists of a first structure for reflecting a virtual image of an object placed in front of it. A second structure is for reflecting a virtual image of the object placed in front of it. A component is for positioning the first reflecting structure at a right angle arrangement with the second reflecting structure. A true image will be reflected back in which items on a right side will be seen on a right side and items Ion a left side will be seen on a left side, instead of being reversed as in a typical standard mirror.

Abstract: A mirror arrangement for mounting on a motor vehicle, the motor vehicle having a passenger compartment, the mirror arrangement including a polygonal three dimensional member having at least two planar surfaces oriented obliquely with respect to one another and intersecting one another at an apex, at least two mirrored surfaces, one each of the at least two mirrored surfaces being disposed on one each of the at least two planar surfaces, the apex being oriented substantially toward the passenger compartment of the motor vehicle, the angle of the apex being substantially between about 60 degrees and 120 degrees, an adjustment mechanism for rotating the directional orientation of the apex, the adjustment mechanism including: a rotatable support shaft connected to the polygonal three dimensional member, and a coaxial cable connected to the rotatable support shaft, the coaxial cable extending into the passenger compartment of the motor vehicle, and a mounting mechanism for mounting the mirror arrangement on at lea

Abstract: A two-source illumination system includes a reflective array of elements deflectable to first and second positions in response to a drive voltage, and two sources pointed at the array from different angles, so that upon cycling the elements rapidly back and forth between the two positions, and alternately cycling the sources between on and off conditions synchronously with the cycling of the reflective array, light from both sources is (alternately) reflected back along an axis normal to the array. This arrangement allows driving the sources at a higher power level, resulting in a higher total light output from the system than would be possible with a single source driven constantly at a lower power level.

Abstract: An improved optical baffling device for use with an optical projection system has a base; a plurality of flat reflective surfaces of an equal size on a corresponding member of reflectors mounted on the base, the reflective surfaces being substantially parallel to each other; and the corresponding number of slits disposed in an alternating relationship with the reflective surfaces. A fraction of light from a light source is focused on each of the reflective surfaces and transmitted to a projection screen through a corresponding slit of the optical baffling device. Sine a fraction of light is processed separately, it becomes possible to enhance the optical efficiency of the optical projection system with a reduced amount of modulation of the optical path.

Abstract: Reflector for source of radiation, of the plane or cylindrical type, constituted by two reflector elements disposed symmetrically with respect to a plane containing the longitudinal axis of the reflector, each reflector element is constituted by at least one cylindrical part of which the generatrices are parallel to the longitudinal axis of the reflector, the cross-section of this cylindrical part being constituted by a curve such that the rays reflected by the respective ends of this curve constitute two end rays forming respective angles with the plane of symmetry, all the rays reflected on the reflector element being included between the respective angles.

Abstract: An improved lateral transfer retroreflector assembly is provided, comprising a tubular member having a channel, a mirror member and a roof mirror mounted to a mounting member. The tubular member has first and second ends, the first end having mounted thereat the mirror member, and the second end forming a channel within which the roof mirror is mounted. The roof mirror is adhered to a mounting member along a junction formed in the roof mirror. The shape of the mounting member substantially conforms to the shape of the junction in the roof mirror thereby ensuring a secure, accurate mount. The channel has an upper and lower opening through which the roof mirror extends. The openings created and the manner in which the roof mirror is mounted within the channel ensure that the depth of the tubular member will be minimized.

Abstract: A polygon mirror is made by resin-forming and includes, at least on its referential surface for attachment, one or more kinds of elements selected from projections, hollow portions and through-holes. The hollow portions or through-holes are filled with an adhesive in contact with the referential surface for attachment. When only projections are used, pairs of projections are formed at corresponding positions on both the referential surface for attachment and the clamping member-receiving surface. When the polygon mirror is provided with projections in combination with hollow portions or through-holes, the projections penetrate through the respective hollow portions or through-holes.

Abstract: A basic known mirror assembly incorporating a pair of side-by-side plane mirror members (right and left) is provided with the mirror members pivotally supported from each other along adjacent margins and relatively positionable to define an included, angle therebetween of substantially 75 degrees so as to provide to a person viewing himself or herself with side-by-side registered one-half image views together forming a single image of the person which is a true image and not an image which is reversed in front-two-rear relation. The mirror members are pivotally supported from each other through the use of hinge constructions each including a pair of hinge leaves interconnected by a living hinge zone and wherein each hinge leaf defines a hollow open ended housing.

Abstract: An optical switching device with switch elements (224) similar to digital micromirror devices (DMD). The switching element (224) resides in a trench (216) between two elevated areas on the substrate (214a, 214b). Sending and receiving fibers (218a, 218b) face each other across the trench (216) with the switch element (224) between them. When the switch is ON, light travels through lenses (220a, 220b) in the trench (216) from one fiber (218b) to the other (218a). When the switch is flipped OFF, the element (224) is activated and blocks the light from the sending fiber (218b) by reflecting or absorbing the light from the sending fiber (218b). The switch is activated and possibly deactivated by addressing electrodes (226a, 226b) under the element (224), which deflects through an air gap towards the activated electrode (226b). For better deflection angles the posts can be arranged closer to one end of the element than the other. An alternate hinge architecture is also provided.

Abstract: A modulator for modulating an incident beam of light, the modulator comprising a plurality of equally spaced-apart elements, each of which includes a light-reflective planar surface. The elements are arranged parallel to each other with their light-reflective surfaces parallel to each other. The modulator includes means for supporting the elements in relation to one another and means for moving particular ones of the elements relative to others so that the moved elements transit between a first configuration wherein the modulator acts to reflect the incident beam of light as a plane mirror, and a second configuration wherein the modulator diffracts the light reflected therefrom. In operation the light-reflective surfaces of the elements remain parallel to each other in both the first and second configurations. The perpendicular spacing between the reflective surfaces of the respective elements is equal to m/4 .times.

Abstract: A resin polygonal mirror having reflective facets each of which is made by injecting resin from a plurality of pin point gates or a single film gate. A core of the polygonal mirror is made of a different resin from the resin which is the material of the reflective facets. A mold of the polygonal mirror has side segments which are divided by parting lines extended from corners of the reflective facets.

Abstract: Disclosed is an apparatus for providing a pair of images to a fixed security camera, the apparatus comprising an angled mirror assembly comprising a left mirror and a right mirror joined at an edge therebetween and disposed at an angle between approximately 60.degree. and 120.degree., preferably 90.degree., to each other. The mirrors are mounted on the angled mirror assembly such that images transmitted through each of a pair of windows of a housing are reflected by the mirrors towards a camera assembly, and the mirrors are bevelled at a joining edge such that no image is generated from the area within and between the respective surfaces thereof. As a result, a left image incident upon the left mirror is reflected thereby towards the camera, and a right image incident upon the right mirror is reflected thereby towards the camera, and the resultant image captured by said camera is composed of a split image of the left image and the right image.

Abstract: The invention relates to a windshield deflector shield for deflecting insects and debris above the hood and windshield of a vehicle and for increasing the driver's field of vision. The deflector shield includes a lens coupled to the middle deflector section for increasing the field of vision in front of the vehicle. The deflector shield may also include rearview mirrors coupled to the ends of the deflector shield for increasing the driver's field of vision at the sides of the vehicle.