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 |
| 7360435 | Ultrasonic control of bolt tightening Tightening of a bolt is controlled by monitoring the change in round trip time of propagating longitudinal ultrasonic waves through the bolt and the reflection of these waves at the end of the bolt. The round trip time of the longitudinal waves through bolt is conti... | 04/22/2008 |
| 7263887 | Method for inspection of metal tubular goods A method for inspection of tubular goods includes using ultrasonic detection means to obtain wall thickness measurement of discrete sections of a tubular good and recording each measurement in association with both the longitudinal and circumferential position at wh... | 09/04/2007 |
| 7194907 | Method for measuring part thickness having an external coating using impedance matching delay lines An ultrasonic transducer for measuring a part with a coating having at least one acoustic transducer, and a buffer delay line having an impedance matched to an impedance of the coating. ... | 03/27/2007 |
| 7082833 | Method and apparatus for determining and assessing a characteristic of a material An acoustic energy-based, non-contact or contact testing approach provides low cost, highly accurate, and reliable information to (a) identify flaws and anomalies and (b) assess the integrity of a particular material. This approach is not hindered by surface conditi... | 08/01/2006 |
| 7080583 | Method and apparatus for presetting specimens in a cutting device In microtomes or ultramicrotomes, it is necessary to preset the specimen (14) onto the knife (16). In order to facilitate and automate this presetting operation, which is intended to guarantee the fastest and most accurate possible positioning of the k... | 07/25/2006 |
| 7002876 | Acoustic-propagation-time measuring apparatus An acoustic-propagation-time measuring apparatus includes an acoustic transmitting and receiving section having an acoustic element capable of transmitting and receiving acoustic waves, an A/D converter which converts an echo signal reflected from a target object to... | 02/21/2006 |
| 6829959 | Apparatus and method for moving a sensor over a workpiece The apparatus and method for moving a sensor over a workpiece includes a sensor, and an actuating member. The sensor, such as a non-destructive test sensor, is carried by the actuating member, and the actuating member is at least partially disposed within a housing.... | 12/14/2004 |
| 6691576 | Thickness measuring device for cylindrical tank bottom plate Plural auxiliary carts 18 and 19 are connected to a measuring cart 11 in the width direction thereof which travels on a tank bottom plate 31 through universal joint mechanisms 26 and 27. Reflection type ultrasonic probes 22, 23 and coating film thickness ... | 02/17/2004 |
| 6684696 | Filling-level measuring device that evaluates echo signals A filling-level measuring device, specifically a filling-level radar system, comprises a transmitter (1), a receiver (2) for an echo of a signal emitted by the transmitter (1), and an evaluation circuit (3) for estimating the filling level. The transmitte... | 02/03/2004 |
| 6250160 | High resolution ultrasonic thickness gauge A gauge for determining a thickness of a coating on a substrate includes a transducer for emitting ultrasonic signals into the coating and for generating electrical signals proportional to the ultrasonic signals received by said transducer, said received ... | 06/26/2001 |
| 6012332 | Ultrasonic apparatus and method for measuring animal backfat An ultrasonic measuring apparatus (FIG. 2) and method (FIG. 5) to accurately determine the depth of an overlaying backfat (14-20) on an animal (8) without incurring any damage to the animal. The apparatus employs a reverse time analysis approach in which ... | 01/11/2000 |
| 5723791 | High resolution ultrasonic coating thickness gauge A gauge for determining a thickness of a coating on a substrate includes a transducer for emitting ultrasonic signals into the coating and for generating electrical signals proportional to the ultrasonic signals received by the transducer, the received si... | 03/03/1998 |
| 5635644 | Apparatus for measuring a layer thickness using transverse waves of ultrasonic waves An apparatus which measures a thickness of a layer using transverse waves of ultrasonic waves, and includes: a sensor unit having a probe for obliquely transmitting and receiving to and from the surface of a material to be measured having first and second... | 06/03/1997 |
| 5448915 | Method for improving the accuracy of ultrasonic thickness measurements by calibrating for surface finish The invention provides a method for measuring thickness of sample of material having a surface finish in a time of flight system using an ultrasonic thickness gauge, comprising the steps of: defining the time of flight system as a function of t'=h'.div.Va... | 09/12/1995 |
| 5201225 | Instrument for measuring thickness of coated plate and method thereof One oscillator of a dual type ultrasonic probe generates an ultrasonic pulse and receives a surface reflection wave and a boundary face reflection wave from a coated plate. Another oscillator receives a bottom reflection wave from the coated plate. As a r... | 04/13/1993 |
| 4991440 | Method of ultrasonically measuring thickness and characteristics of zirconium liner coextruded with zirconium tube A coextruded zirconium tube and tube liner are monitored along their lengths by well known ultrasonic measurement techniques that are modified by the blocking out of extraneous signals at opposite sides of a timing gate that varies in width according to v... | 02/12/1991 |
| 4875372 | Echo cancellation system An ultrasonic inspection system for composite materials capable of detecting flaws near the surface of the inspected part which flaws are normally masked by strong reflections from the part surface. An electronic signal representative of the strong surfac... | 10/24/1989 |
| 4751686 | Ultrasonic microscope In order to replace acoustic lenses, frequency units corresponding to frequencies used by the acoustic lenses and housing transmitted pulse generating means, circulators and receiving means can be selected and the signal of a gate opening at a timing at w... | 06/14/1988 |
| 4624142 | Double reference pulsed phase locked loop A double reference pulse phase locked loop for measuring the phase shift between tone burst signals initially derived from the same periodic signal source (voltage controlled oscillator 16) and delayed by different amounts because of two different paths. ... | 11/25/1986 |
| 4596143 | Method and apparatus for detecting fractures by ultrasonic echography along the wall of a material or a formation A method and apparatus of detecting fractures along the wall of a formation, such as a well formed by test-drilling, provides for the transmission of ultrasonic signals in a direction essentially perpendicular to the wall from a position spaced from the w... | 06/24/1986 |
| 4563898 | Acoustic microscope An acoustic microscope comprising an acoustic transducer which performs both generation and detection of acoustic wave beams, and a sample holding member which opposes to an acoustic wave transmitting and receiving surface of the transducer, to hold an ob... | 01/14/1986 |
| 4510811 | Method for distinguishing between interfering signals and signals indicating defects of workpieces during ultrasonic testing In order to safely interfering signals caused by interfering volumina like e.g. air bubbles existing in a coupling medium from signals generated by workpiece defects in the ultrasonic testing of workpieces according to the pulse-echo-method, it is suggest... | 04/16/1985 |
| 4480474 | Method and apparatus for ultrasonic flaw detection of T-welded portion of steel product Herein disclosed is a method for ultrasonic flaw detection of T-welded portion of steel product. The method comprises: maintaining the flange portion horizontally, making convergent ultrasonic beams incident on the flange portion vertically to the top fac... | 11/06/1984 |
| 4437332 | Ultrasonic thickness measuring instrument A programmable ultrasonic thickness and acoustic velocity measuring instrument is provided which includes automatic zeroing (calibrating) means, automatic temperature compensation and high temperature warning means, automatic probe identification means, m... | 03/20/1984 |
| 4413518 | Apparatus and method for measuring the extension of bolts under stress A bolt elongation measurement apparatus and method for measuring the length of bolts of all sizes and shapes. The apparatus utilizes a microprocessor-based digital system including a binary counter which counts pulses generated by a high frequency oscilla... | 11/08/1983 |
| 4395911 | Method and apparatus for precise determination of girth weld defects Pulses of accoustic energy are transmitted at normal incidence to the wall of a welded pipe, and also at an oblique angle thereto, wherein such transmissions, from respective transducers, occur immediately adjacent a girth weld. Reflected pulses are then ... | 08/02/1983 |
| 4386530 | Ultrasonic imaging equipment An ultrasonic imaging equipment employing a transducer which includes an acoustic propagating medium formed with a concave surface at one end thereof and formed with a piezoelectric thin film on the other end thereof opposing to the one end, and a medium ... | 06/07/1983 |
| 4364274 | Ultrasonic inspection with back echo monitoring Method and apparatus for ultrasonic non-destructive testing by the pulse echo method. The pulses received from flaws in a test object are supplied to a main branch circuit for amplification to produce a suitable flaw display and to a back echo branch circ... | 12/21/1982 |
| 4364273 | Apparatus for locating interfaces in media Apparatus to detect and/or locate an inhomogeneity in a medium comprises a transducer to transmit frequency-modulated ultrasonic energy through the medium and a transducer to receive reflected energy. The transducers are connected to a phase-locked loop w... | 12/21/1982 |
| 4353257 | Nondestructive system for testing the thickness of boiler tubes in boilers The present invention relates to a system for the nondestructive testing of the thickness of boiler tubes. The system comprises a probe assembly which includes a mounting unit for mounting the assembly in a mud or water drum of a boiler at the location of... | 10/12/1982 |
| 4205553 | Automated gain control in rail flaw detection Automated gain control in rail flaw detection which includes attenuation of echoes from rails pulsed with a burst of sonic energy, comparing said attenuated signals over discrete intervals, and reducing or increasing said attenuation in response thereto t... | 06/03/1980 |
| 4184373 | Apparatus for evaluating a bond Disclosed is a means and method for evaluating a bond between first and second structures bonded together by an intermediate layer of adhesive. Means are provided for transmitting a pulse of ultrasonic wave energy into the bonded structures whereby a firs... | 01/22/1980 |
| 4168629 | Apparatus for ultrasonic examination In apparatus for ultrasonic examination of an object, the echoes derived at successive positions of an ultrasonic transducer are digitized and subtracted one from the other. If the echoes are not the same, the difference is a discrete indication of a flaw... | 09/25/1979 |
| 4147065 | Ultrasonic testing Ultrasonic echo signals from the rear wall boundary are used to track looking windows for similar signals during a subsequent test cycle as well as for detection of flaw echos, with emphasis on a distinction between end of flaw detection and beginning fir... | 04/03/1979 |
| 4137776 | Automatic base gate positioning circuit An automatic base gate positioning circuit for use in rail flaw detection is disclosed which includes the generation of a string of uniformly spaced pulses corresponding to known rail depth, correlating said pulses with sonic echoes averaging and storing ... | 02/06/1979 |
| 4100808 | Apparatus for evaluating a bond Disclosed is an apparatus and method for evaluating a bond between first and second structures bonded together by an intermediate layer of adhesive. Apparatus is provided for transmitting a pulse of ultrasonic wave energy that has a duration at least as s... | 07/18/1978 |
| 4098131 | Method and apparatus for increasing the speed of ultrasonic pulse-echo testing In order to increase the speed at which a workpiece is tested by the ultrasonic pulse-echo method, the dead time between individual measurement time intervals is shortened by providing a minimum predetermined time interval selected for the specific test c... | 07/04/1978 |
| 4008603 | Ultrasonic method and apparatus for measuring wall thickness of tubular members A method and apparatus for measuring the wall thickness of tubular members using pulses of ultrasonic energy and measuring the time interval between the echoes from the two surfaces of the wall. A rotating diagonal reflector in combination with a fixed tr... | 02/22/1977 |
| 4004455 | Flaw detecting apparatus for railroad rails and the like Apparatus is disclosed for use in detecting flaws in the bolt hole area of railroad rails and the like, and is adapted to detect and record the location of an oversized hole indicating a crack or the like. The apparatus utilizes an ultrasonic transducer d... | 01/25/1977 |
| 3961522 | Apparatus for recording discontinuities In an apparatus for counting the faults contained in a given volume by reflection of ultrasonic waves from a transmitter there are provided pulse counters for registering any pulse constituting the video signal received by said counters which are preset t... | 06/08/1976 |
