Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 5353228 | Range-finding method and apparatus A method for target-range measurement of round-trip transit time, for laser light pulses transmitted from the rangefinder and target-reflected back to a measuring device, is based on the fact that a predetermined measurement cycle is subdivided into time ... | 10/04/1994 |
| 5251156 | Method and apparatus for non-contact measurement of object surfaces Pictures of an object to be measured are taken from several different positions or aspects by a video camera which is mounted via a two-axis articulating head to the measurement arm of a coordinate-measuring machine. The pictures taken from the different ... | 10/05/1993 |
| 5134782 | Coordinate-measuring machine A coordinate-measuring machine has a vertical column which is linearly guided in one horizontal direction (x) and on which a measurement arm is guided for vertical displaceability. The linear movement (x) is produced by a carriage in which the column is m... | 08/04/1992 |
| 5129733 | Device for preloading a guided machine part The invention contemplates use of a suction bell to enhance the loading with which a guided machine part is gravitationally supported on its guide. In application to a machine in which the machine part is movably supported on air bearings, the suction bel... | 07/14/1992 |
| 5111592 | Probe head of the switching type A probe head for a multiple-coordinate measuring machine defines the at-rest or zero position of a movable probe-pin holder part with respect to a relatively fixed housing part of the head, by employing a flexible coupling between a circular base of the p... | 05/12/1992 |
| 5083379 | Probe head for a coordinate-measuring machine The invention concerns a probe head of the so-called measuring type with scales which supply signals proportional to the position of a probe pin in its deflected state. A probe-pin carrier is the movable part of the probe head, being mounted indirectly on... | 01/28/1992 |
| 5065525 | Length or angle measuring device At least one of the surfaces of the glass or glass-ceramic graduated-scale support (12) of a measuring device is drawn toward a corresponding surface of the guide part (11) by the capillary action of a liquid film (13). The graduated-scale support floats ... | 11/19/1991 |
| 5024003 | Work-contacting probe system for a coordinate-measuring instrument A work-contacting probe system is selectively operable as a single-stage or as a two-stage system. The system consists of a first central probe head of large diameter and of one or more small or auxiliary probe heads of dimensions which are reduced as com... | 06/18/1991 |
| 5018280 | Method and device for the operation of a workpiece-contacting probe head of the switching type To overcome friction in the mount of the switching-type probe head, a probe (5/6) displaceably mounted therein is transiently excited in oscillation for a predetermined time after each contacting process. The same piezoelectric element (17) as that which ... | 05/28/1991 |
| 5018278 | Probe head of the switching type The invention contemplates a pneumatically driven piston as a preloading device, continuously urging the movable part (11) of a probe head into precise seating engagement with its fixed bearing (10), (12) in the housing of the probe head. The piston is mo... | 05/28/1991 |
| 5005297 | Probe head of the switching type For a horizontal orientation of a switching-type probe head, force developing device is provided to compensate for a component (F1) of the gravitational weight vector (Fg) of the deflectably movable part (11) of the probe head, the c... | 04/09/1991 |
| 4998810 | Illuminating device for an operation microscope An illuminating device for an operation microscope having a light source including a light guide with a light-exit surface centered on an illumination optical axis. An optical system is arranged on this axis between the light-exit surface and the main obj... | 03/12/1991 |
| 4964221 | Counterbalanced coordinate-measuring instrument A coordinate-measuring instrument has a purely mechanical device (14) to compensate for the weight of a vertically displaceable spindle (9). The compensation device consists of a helical-coil spring having a working range which is small as compared with i... | 10/23/1990 |
| 4962591 | Calibration-test member for a coordinate-measuring instrument A calibration-test member in the form of a ball plate fixedly mounts a plurality of precision balls arrayed in spaced relation in a single plane. The ball plate is of symmetrical construction with respect to this plane, the balls being so mounted within o... | 10/16/1990 |
| 4888877 | Articulating head for a coordinate-measuring instrument The invention contemplates an articulating head having bearings of reproducible travel behavior, for precision angular displacment of a mounted probe-pin, about each of two orthogonal component axes of rotation. The precision of angular displacement relie... | 12/26/1989 |
| 4884348 | Testing device and method of determining the uncertainty of measurement of coordinate-measuring instruments A testing device for use in determining the uncertainty of measurement of a coordinate-measuring instrument comprises a support which can be placed on the measurement table of the coordinate-measuring instrument; the support contains a plurality of locati... | 12/05/1989 |
| 4882848 | Probe head for a coordinate-measuring instrument A probe head for a coordinate-measuring instrument has a torsionally rigid, play-free and friction-free probe-suspension system which defines a three-dimensional coordinate system wherein the work-contact pin of the probe is deflectable in all three direc... | 11/28/1989 |
| 4842247 | Method and apparatus for the detection of helicopters The presence of an operating helicopter within a given field of view is remotely and passively monitored by optically imaging the field of view at a focal surface, using an infrared detector to produce an electrical signal. The electrical signal is filter... | 06/27/1989 |
| 4835718 | Method and means for controlling a coordinate-measuring instrument In the automated performance of multiple measurements on each of a succession of workpieces, the invention contemplates establishing a plurality of safety-reference positions (S1 to S7) along the programmed displacement path intended... | 05/30/1989 |
| 4785545 | Means for simultaneously connecting a plurality of switch-type probe heads to the measurement arm of a coordinate-measuring machine Plural switch-type probe heads used in a coordinate-measuring machine are electrically connected in parallel, and each probe head contains a resistor (106) which is series-connected to its switch contact (103/110). In addition, each probe head has a measu... | 11/22/1988 |
| 4777728 | Mounting to establish a basic reference for measuring machines and machine tools For the mounting of measuring scales or straight-edges, they are clamped on balls (2, 6) rollably retained within small regions, which form a lengthwise guide and are fixed relative to their mounting (3) at a single point (5).... | 10/18/1988 |
| 4758720 | Method and means for measuring guidance errors at one or more points along the length of a displacement-measuring system In order to initiate the operation of an incremental-correction measurement system, which measures such guidance errors as instantaneous lateral offset of a movable machine part with respect to its guidance direction (Y), a reference mark is provided by t... | 07/19/1988 |
| 4742524 | Laser with variable emission wavelength A laser with variable wavelength contains, as laser-active material in the laser resonator, a mixture consisting of a first substance present as granulate and of a fluid (liquid or gaseous) second substance. One of these substances is laser-active. The co... | 05/03/1988 |
| 4720922 | Anti-collision device for the sensing head of a measuring machine The sensing head of a measuring machine is pendulously suspended via self-centering ball-and-socket structure which affords resilient dislocating relief from its normal precisely centered position of measurement. The resilient connection permits feeedom f... | 01/26/1988 |
| 4721852 | Laser-warning device for military vehicles A passive collector/detector system is described for automatic response to laser range-finder radiation, the response being with capability to determine the general direction from which the range-finder radiation is incident.... | 01/26/1988 |
| 4713892 | Apparatus for the protection of a movable elongate machine part For protecting an elongate machine part (e.g., the z-quill of a measurement machine) from collision in the course of movement transverse to its longitudinal axis (z), an angularly distributed plurality of directionally responsive ultrasonic transducers is... | 12/22/1987 |
| 4695137 | Motorized focus drive for a microscope The operating means for manual focusing of a microscope having a motorized-focus drive is embodied in a separate control console that is flexibly connected to and positionable alongside the microscope; the operating means includes a finger wheel or knob w... | 09/22/1987 |
| 4637119 | Chucking device for interchangeable holding of probe pins in a coordinate-measuring instrument The invention concerns a receiver (1) in the probe head of a multiple-coordinate measuring machine in which probe-pin combinations (21) can be replaceably chucked with high precision with respect to their position in space. The receiver contains an isosta... | 01/20/1987 |
| 4614411 | Microscope with correlatable fixation target The invention contemplates a binocular ophthalmological operation microscope with an optical fixation mark defined as effectively a point source of light, at the output end of an optical-fiber cable, wherein the output end faces the patient on the mechani... | 09/30/1986 |
| 4613217 | Spectacle lens having astigmatic power The invention contemplates an astigmatic-power lens having at least one lens surface which differs from spherical or toric shape and which is characterized by the fact that, for each elemental region of said lens surface, the principal curvatures and the ... | 09/23/1986 |
| 4606622 | Multi-focal spectacle lens with a dioptric power varying progressively between different zones of vision The invention contemplates a multi-focal spectacle lens with a dioptric power varying progressively between different zones of vision, namely, a progressive lens which, with a short progressive zone, substantially satisfies in the progressive zone as well... | 08/19/1986 |
| 4587622 | Method and apparatus for determining and correcting guidance errors Two methods are disclosed for eliminating the influence of guidance errors on the precision of determining the position of guided machine parts as in a coordinate-measuring machine, whereby the resulting measurement may be provided with a correction which... | 05/06/1986 |
| 4568188 | Microscope photometer The invention contemplates a photometer tube having a rotatably mounted slit-diaphragm insert, with provision for scanning a specimen object through the slit, in the direction perpendicular to the instantaneous longitudinal orientation of the slit. In a f... | 02/04/1986 |
| 4567478 | Liquid-crystal display for microscopes A transparent multifunction display field (LCD display 23) is reflected by means of a transmitted-light projection ray path (21-27) into the intermediate image plane (11) of a photomicroscope. The LCD display (23) provides the viewer with information on the st... | 01/28/1986 |
| 4557607 | Method and device for structural, superficial and deep analysis of a body A method for the structural, superficial and deep analysis of a body is disclosed. The method includes scanning the body to be examined using a modulated excitation radiation beam so as to impart a thermal modulation to the body. The thermal modulation is... | 12/10/1985 |
| 4529873 | Optical control circuit for electrochromic layers In order to regulate the absorptance of an electrochromic layer, the absorptance of the layer is measured optically. The signal derived therefrom is compared with a guide value and fed to a controller which has a dead zone between two hysteresis regions (... | 07/16/1985 |
| 4529264 | Device for sharp-edge illumination of an observation field lying in a preselectable plane A device for sharp-edge uniform illumination of an observation field lying in a preselectable plane is adapted to utilize light from a remote source, via a flexible fiber-optic connection having a glass-rod termination for producing a uniformly illuminate... | 07/16/1985 |
| 4523818 | Ocular eyecups for wearers of glasses For non-fatiguing observation through microscope eyepieces, the invention contemplates continuously displaceable eyecups for adjustment of pupil coincidence. The simple mechanical structure is based on force-fitted connection of one part of the eyecup to ... | 06/18/1985 |
| 4523450 | Method of calibrating probe pins on multicoordinate measurement machines This invention contemplates a rapid method of calibrating probe-pin combinations, such as star probes or rotary-swing probes, which method is applicable when the probe system forms part of or is coupled to the control system of a measuring machine wherein... | 06/18/1985 |
| 4523732 | Adjustable stand for optical observation instruments The invention contemplates a support stand having a weight-compensating four-bar linkage in the form of an elongate parallelogram, for adjustable-elevation support of an observation instrument such as an operation microscope. Weight compensation is achiev... | 06/18/1985 |
