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The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 5415033 | Simplified apparatus for detection of leaks in pressurized pipelines An apparatus for detection of leaks in pressurized pipelines which utilizes a large pressure vessel and a small measurement vessel. The measurement vessel magnifies level changes during leak detection tests. The apparatus is connected to a pipeline throug... | 05/16/1995 |
| 5281985 | Video viewing system for a vehicle A video viewing system for a vehicle including a vehicle having a battery which, through an inverter, powers a video and audio generating source. The source transmits video signals to a projector which is also powered by the vehicle battery. The projector... | 01/25/1994 |
| 5263371 | Methods for temperature-compensated liquid height and leak detection measurements using quasi-static reference subsystem A method for measuring the temperature-compensated change in the height of a surface of a liquid. The method positions an acoustic signal transducer for emitting and receiving acoustic signals below the surface of the liquid, positions a quasi-static refe... | 11/23/1993 |
| 5256996 | Integrated coplanar strip nonlinear transmission line An integrated coplanar strip nonlinear transmission line comprising a substrate of gallium arsenide upon which a heavily doped buried layer and a lightly doped surface layer of epitaxially grown gallium arsenide are grown. Two parallel conductors are inte... | 10/26/1993 |
| 5254942 | Single chip IC tester architecture An integrated circuit (IC) test architecture and technique which can be used in conformity with the IEEE 1149.1 test standard and configured on a single chip. This chip can be remotely controlled via a PC or workstation to generate stimulus and collect re... | 10/19/1993 |
| 5231349 | Millimeter-wave active probe system Three classes of active probes all with coaxial inputs and coplanar waveguide probe tips are described. A millimeter-wave active probe for generating signals with frequencies about 50 gHz and supplying same to millimeter-wafer including a substrate upon w... | 07/27/1993 |
| 5229724 | Sample head for nuclear resonance measurements A sample head for performing nuclear magnetic resonance measurements on a first kind of nuclei (1 H) and, further, on a second (15 N) or a third (31 P) kind of nuclei within a magnetic field (B) is disclosed. A measuring c... | 07/20/1993 |
| 5228339 | Automatic tank gauging system with a quasi static reference subsystem An apparatus for measuring liquid levels and leak rates in a storage tank, using an acoustic transducer and a quasi-static reference device that positions an acoustic target within a predetermined distance range below the surface of the liquid.... | 07/20/1993 |
| 5226263 | Weather-tight roof flashing shield An improved device for forming a weather-tight seal to a vent pipe and over a roof flashing. The device utilizes a high durability elastomeric material with a truncated conical shape and thickened upper lip to form a rain shed over the roof flashing, ther... | 07/13/1993 |
| 5224246 | Rope fastening device Rope Fastening Device including a generally flat member having a rope passage slot formed therethrough. The end portions of the device is shaped into rope attachment posts which are utilized to loop portions of the rope thereabout.... | 07/06/1993 |
| 5223879 | Hair-style simulation cassette A hair-style simulation cassette has a back strip, a U-shaped frame fixed to the back strip, a panel fixed to the U-shaped frame, a film fixed to the panel, and a photograph carrier receivable in the U-shaped frame. The photograph carrier has a cavity for... | 06/29/1993 |
| 5223851 | Apparatus for facilitating interconnection of antenna lead wires to an integrated circuit and encapsulating the assembly to form an improved miniature transponder device A method and apparatus for facilitating interconnection of antenna lead wires to an integrated circuit and encapsulating the assembly to form an improved miniature transponder device including the provision of an additional protective layer of insulation ... | 06/29/1993 |
| 5222071 | Dynamic optical grating device The invention relates to an apparatus including a semiconductor grating whose optical properties can be changed electrically in order to steer a diffracted laser beam with no moving parts. Lithographically defined portions, stripes or areas formed in a se... | 06/22/1993 |
| 5221506 | Bar soap with structural core Bar soap for personal use having a structural center selected from an open celled sponge material, or woven or non-woven organic filamentary material, which is preferably fully soap-impregnated. The sponge core is revealed after the soap bar is reduced to... | 06/22/1993 |
| 5219171 | Collapsible golf fairway distance marker A collapsible golf fairway distance marker including a visible structure that can assume two discrete configurations, and an anchor structure. The visible structure is generally cone-shaped when raised and flat when collapsed and is comprised of a base su... | 06/15/1993 |
| 5218771 | Orientation sensing apparatus Orientation sensing apparatus including a bubble suspended in liquid contained within a transparent cylindrical container, light sources aligned along the cylindrical axis of the container that transmit light via light pathways for illuminating the bubble... | 06/15/1993 |
| 5216735 | Metal core fiberoptic connector plug for single fiber and multiple fiber coupling The present invention relates to devices for the transmission of light through the adjoining ends of two fiberoptic cables, and more particularly to connectors adapted to connect an end of a fiberoptic cable to another fiberoptic cable or to a LED or to a... | 06/01/1993 |
| 5214550 | Miniature removable rigid disk drive and cartridge system A miniature removable rigid disk drive and cartridge including a removable, self-contained hard disk storage device. The disk drive includes mechanical and electrical components that act in conjunction with components in the disk cartridge when it is plac... | 05/25/1993 |
| 5212449 | Resonator for electron spin resonance spectroscopy A resonator is provided for electron spin resonance spectroscopy. The resonator comprises walls defining a cavity. In the cavity, a predetermined oscillation mode of a preselectable frequency, in particular in the Q band, is capable of propagating. The wa... | 05/18/1993 |
| 5208784 | Method for influencing an acoustic source, in particular of a submerged submarine, and submarine A method and a submarine are disclosed influencing an acoustic source emitting an acoustig signal having a first frequency spectrum with at least one intensity maximum. In order to make detection of the frequency spectrum by means of passive acoustic loca... | 05/04/1993 |
| 5208579 | Alarm system An improved alarm system having a first electrode carried by at least one of the locking elements and a second electrode carried by the locking surface normally engageable by the locking elements when the locking mechanism is in its locked configuration, ... | 05/04/1993 |
| 5207251 | Liquid level sensing method and apparatus An automated liquid holding tank and method for automatically filling a liquid holding tank. The tank comprises a holding tank with dispensers for filling the tank with liquids and a pressure sensor attached to the tank for measuring the liquid level with... | 05/04/1993 |
| 5205318 | Recirculation hot water system Recirculation hot water system including a fluid delivery system used to supply potable water throughout a home or other facility, having a hot water supply pipe, a cold water supply/return pipe, a hot water heater, a pump, a manifold, a control system, a... | 04/27/1993 |
| 5205173 | Method and apparatus for detecting leaks in pipelines using cross-correlation techniques An improved method and apparatus for detecting leaks in pipelines using cross-correlation techniques including improved correlating circuitry featuring a pair of circulating delay lines for respectively receiving, temporarily storing and processing in a r... | 04/27/1993 |
| 5203607 | Bicycle seat An improved bicycle seat comprising a rigid shell supporting a foam layer having a pad of thermoplastic elastomer honeycomb either bonded thereto or embedded within said foam. A durable skin covers the shell, foam and padding layers. In an alternative emb... | 04/20/1993 |
| 5198807 | Method and apparatus for producing a subcarrier signal for transmission by an inductively coupled transponder A transponder system including a transponder and an interrogator having a transmission coil for producing a high-intensity electromagnetic field for inductively powering the transponder and two receiver coils for receiving a low-intensity electromagnetic ... | 03/30/1993 |
| 5195176 | Method and apparatus to enhance laser printer speed and functionality Method and apparatus to enhance laser printer speed and functionality including a general purpose computer, a laser printer, and a modified laser printer font cartridge, comprised of a 21-bit wide address bus, a read-only data bus, a page register, an add... | 03/16/1993 |
| 5193141 | Vehicular voice storage, playback, and broadcasting device A device for broadcasting a user's audio messages from a vehicle that includes an input device for inputting the user's audio messages, a signal processor for converting the user's messages to an electronically storable format and an erasable memory for s... | 03/09/1993 |
| 5190703 | Plasma reactor chamber The present invention includes a plasma reactor chamber, which is generally constructed such that a large opening exists in a wall of the chamber. The reactor chamber is deployed remotely from a control console, such as on a robotic arm. A plasma generati... | 03/02/1993 |
| 5189904 | Temperature compensated methods for detection of leaks in pressurized pipeline systems using piston displacement apparatus The piston displacement apparatus and method for detection of leaks in pressurized pipelines disclosed herein measures volume changes at different pressures to determine thermally compensated leak rates. The apparatus uses a piston displacement apparatus ... | 03/02/1993 |
| 5186591 | Temporary support pin An improved temporary support pin which may be pushed into place rather than screwed into place and used with either English or metric threads. Resilient arms protruding from the support pin are depressed when a workpiece is pushed over them, and spring b... | 02/16/1993 |
| 5180619 | Perforated honeycomb A panel of perforated thermoplastic material having sound and shock dampening characteristics comprised of a perforated honeycomb core and either whole or perforated facing sheets, thermal compression bonded to the core. The core can be faced on one side ... | 01/19/1993 |
| 5172060 | Method for recording spin resonance spectra A method serves for recording nuclear resonance spectra of test samples having at least three groups of spins. A first group is coupled to a second group, while a third group is uncoupled relative to the second group but has a spectral position, e.g. chem... | 12/15/1992 |
| 5171412 | Material deposition method for integrated circuit manufacturing The improved material deposition process of the present invention utilizes a first, low temperature deposition step followed by a second, high temperature/high power deposition step. In the first deposition step a collimation plate is placed between the s... | 12/15/1992 |
| 5170657 | Temperature compensated methods for detection of leaks in pressurized pipeline systems The apparatus and method for detection of leaks in pressurized pipelines disclosed herein measures thermally compensated leak rates. The apparatus uses an acoustic sensor and fiducial reference system to precisely determine leak rates.... | 12/15/1992 |
| 5169364 | Weight attachable leg exercise device A leg exercise device for permitting isolated exercises of selected muscle groups of the lower extremity comprising a generally tubular ankle collar or boot having an inner surface conformingly fitted to a user's ankle region. The outer forward facing sur... | 12/08/1992 |
| 5163314 | Temperature compensated methods for detection of leaks in pressurized pipeline systems using gas controlled apparatus The gas pressure control apparatus and method for detection of leaks in pressurized pipelines disclosed herein measures thermally compensated leak rates. The apparatus uses a pressure vessel and gas pressure control system to precisely determine leak rate... | 11/17/1992 |
| 5158609 | Water based aerosol marking paint An improved water based aerosol paint is particularly well-suited for use in site marking applications. Its high content of calcium carbonate provides a support for the pigment and resin film. A straight chain, low molecular weight hydrocarbon with betwee... | 10/27/1992 |
| 5154436 | Wheeled riding apparatus A wheeled riding apparatus having as a base embodiment a flexible skateboard including a flat board member, a pair of trucks and an elliptical leaf spring member. The leaf spring member is attached to each truck and is curved to support the flat board mem... | 10/13/1992 |
| 5152562 | Shock-actuated lock with resettable ball A shock-activated lock for attachment to a cabinet that prevents the cabinet door from opening in the event of an earthquake. The lock includes a slotted engaging member attached to the cabinet door, and a lock housing attached to the cabinet frame that c... | 10/06/1992 |
