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A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.
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| Number | Title | Issue Date |
| 5550913 | Network terminating unit for connecting analog and digital communication systems to a digital network A network terminating unit, for interconnecting analog and digital communication systems to a digital network, having an analog voice module for connection to an analog private exchange, a high speed data communication module for connection to high speed ... | 08/27/1996 |
| 5100580 | Phosphorescent materials An organic phosphor which is a solid insoluble in water and organic solvents and which may be used in a phosphorescent printing ink or a paper coating composition comprises molecules of at least one phosphorescent activator held within a matrix of a conde... | 03/31/1992 |
| 5054602 | Sorting system A sorting system comprises a number of sorting conveyors (1, 2 --- 12) each being capable of selectively discharging items fed onto the conveyor at an input thereto, from any one of a number of destination outlets and a plurality of aggregating conveyors ... | 10/08/1991 |
| 5010998 | Diverter A diverter for diverting articles travelling on a conveyor, comprises a diverter member (1) which is mounted on a linkage for movement into and out of the path of the articles and which has an elongate article contact surface to cooperate with the article... | 04/30/1991 |
| 4967857 | Weighing apparatus A weighing arrangement comprises a conveyor system defining a path for articles and including a first feed conveyor, a second upwardly inclined conveyor arranged to receive articles from the first conveyor and a third, downwardly inclined conveyor. The fi... | 11/06/1990 |
| 4635787 | Sorting machine A sorting machine for sorting generally flat items, for example letters, comprises a plurality of sorting destinations arranged in levels, and a conveying system for conveying the items each to an assigned destination. The conveying system includes a plur... | 01/13/1987 |
| 4575182 | Dielectric optical waveguide connecting device Two optical fibres to be coupled end-to-end are respectively located within a cluster of straight rigid elements. The meeting ends of the elements are tapered to provide docking ramps which ensure precise axial alignment of the clusters.... | 03/11/1986 |
| 4509635 | Sorting system A sorting system for generally flat articles includes a number of receptacles (2) mounted on a conveyor (1) each of which is disposed to receive and convey an article to be carried lying with its surface of maximum size perpendicular to the conveyor line ... | 04/09/1985 |
| 4506212 | Method and apparatus for testing integrated circuits using AC test input and comparison of resulting frequency spectrum outputs An integrated circuit is tested by applying to it the output of a clocked word generator. The resulting output from the circuit is analyzed by a phase sensitive detector comprising a series of sampling switches and integrators which are synchronized with ... | 03/19/1985 |
| 4500116 | Identification matter A credential, such as a passport or an identification card, is provided, for example by impregnation or coating, with a phosphorescent composition which includes at least two phosphorescence activators which exhibit different emission characteristics both... | 02/19/1985 |
| 4456331 | Improved communications cable with lines of weakness A communications cable based on optical fibres comprises a core 2 with external helical channels 13. The fibres 6 in the channels are accessible through removable parts 15 of an outer sheath 4.... | 06/26/1984 |
| 4456789 | Audio teleconferencing A control unit for controlling operation of a plurality of audio teleconference terminals comprises a plurality of inputs which are connected each to a particular terminal. A speech detector detects from which terminals speech signals are received and act... | 06/26/1984 |
| 4447276 | Molecular beam epitaxy electrolytic dopant source A method of growing crystalline semiconductors such as GaAs is disclosed. The method involves epitaxial deposition from the vapor phase and provides dopant material such as sulphur in the form of a molecular beam. The molecular beam is developed by effusi... | 05/08/1984 |
| 4417387 | Gold metallization in semiconductor devices Gold is preferred as the conductor material in a metallization layer of a semiconductor device because of its high conductivity and freedom from electromigration effects but gold is inclined to diffuse into the semiconductor substrate typically silicon, s... | 11/29/1983 |
| 4361735 | Electret microphone circuit An electroacoustic transducer for a microphone comprises an electret wherein an additional capacitance substantially greater than the capacitance normally inherent in the electret is connected in parallel with the electret. The additional capacitance may ... | 11/30/1982 |
| 4360911 | Digital signal switch system having space switch located between time switches A digital switching device of the stored program type operating under the control of a central control unit has an input time switching stage, an output time switching stage, and a space switching stage intermediate the time switching stages. Each time sw... | 11/23/1982 |
| 4351659 | Method for manufacture of graded index optical fibres A graded index optical fiber is produced in a double crucible with an elongate heated exit nozzle. The core and cladding glasses of the fiber diffuse into one another in the nozzle.... | 09/28/1982 |
| 4350960 | Self saturating semiconductor lasers A double heterostructure semiconductor laser having the configuration of its optical cavity arranged to impose a constraint on the lasing filament as the spatial distribution of the lasing filament changes from that occuring at the start of the lasing reg... | 09/21/1982 |
| 4348711 | Method and apparatus for implanting a charge in an electret foil In previously proposed arrangements for charging an electret foil the electret charge implanted varies over the area of the foil. In order to promote more even charging of the foil, the method of the invention subjects the foil to a progressively increasi... | 09/07/1982 |
| 4346601 | Testing glass fibres A method of proof testing an optical glass fibre by pulling it around a free roller whose radius is sufficiently small to impart the strain necessary to detect fibres whose surface or near surface flaws weaken the fibre below a required strength. Proof te... | 08/31/1982 |
| 4339302 | Semiconductor materials A Group III element Q selected from gallium, indium and thallium containing a Group VI element X selected from oxygen, sulphur, selenium and tellurium as an impurity can be purified by adding, to molten Q, an element M capable of forming with X a stable s... | 07/13/1982 |
| 4319902 | Joining optical fiber end parts Optical fibers are welded together by positioning the end parts in vacuum chucks 10 and 11. Piezo-electric elements 8 force the chucks towards one another. The piezo-electric elements are put into operation by the power supply of a welding arc operating b... | 03/16/1982 |
| 4315229 | Bandstop filters A filter network that exhibits a bandstop response comprises a network of basically low pass or high pass structure. The network is developed by choosing a bandstop transfer function, a fourth-orderelliptic is disclosed, which is converted to a low pass f... | 02/09/1982 |
| 4312566 | Dielectric optical waveguide cables A waveguide cable comprises an axially extending polymer sleeve, or group of sleeves, the molecules in the sleeve(s) being longitudinally orientated. The or each sleeve contains one or more dielectric optical waveguides. A plurality of elongate filamentar... | 01/26/1982 |
| 4309671 | Control apparatus This invention relates to the control of the wavelength of the emission from a semi-conductor laser 1. The laser driver 5 is connected in a feedback loop comprising a beam-splitter 6, a photodiode 8 and an amplifier 19, which loop controls the driver 5 to... | 01/05/1982 |
| 4307349 | Impatt amplifiers A protection circuit for an Impatt amplifier includes a voltage comparator which is arranged to sense the terminal voltage of the or each Impatt diode. When the comparator senses that a diode terminal voltage has risen above a predetermined value a circui... | 12/22/1981 |
| 4306303 | Switching of digital signals A digital switching device of the stored program type operating under the control of a central control unit has a multiplexing stage for multiplexing signals from a plurality of ports, an input time switching stage which receives multiplexed signals from ... | 12/15/1981 |
| 4278835 | Submarine communication cable including optical fibres within an electrically conductive tube A submarine communications cable comprising a plurality of optical fibres extending longitudinally, an electrically conductive tube surrounding the plurality of fibres with radial clearance, the electrically conductive tube allowing the transmission of el... | 07/14/1981 |
| 4278931 | Location of contact faults on electrically conductive cables The invention relates to the location of contact faults on electrically conductive cables such as telephone pairs. Contact fault location apparatus has a pair of resistors, a constant current source, and means such as a differential amplifier and meter fo... | 07/14/1981 |
| 4275951 | Optical fibres and glasses A range of alkali metal borosilicate glass compositions modified by the addition of alkaline earth metal oxides has been found to be especially suitable for the production of graded index optical fibre by thermal diffusion using the double crucible method... | 06/30/1981 |
| 4268716 | Audio teleconferencing A control unit for establishing a four-wire connection between two terminals via a pair of telephone lines comprises switching means which are operable to provide a connection to a pair of telephone lines, signalling means connectible to said lines via sa... | 05/19/1981 |
| 4262283 | System for transmitting alarm information over telephone lines An alarm system for transmitting alarm information via telephone lines has a plurality of alarm transmitters which are located at subscribers' premises and are adapted to transmit signals indicative of the state of alarms associated with the transmitters ... | 04/14/1981 |
| 4249043 | Electret transducer backplate, electret transducer and method of making an electret transducer An electret transducer backplate is made of a thermo-softening plastics material rendered electrically conducting by electrically conducting particles distributed therethrough. An electret foil diaphragm is mounted on the backplate and the relative flexur... | 02/03/1981 |
| 4243977 | Delta sigma to PCM converter A converter for converting a delta sigma modulated signal into a pulse code modulated signal comprises an n bit counter, an (n-1) true/complement, zero one element which is controlled by the most significant bit of the counter and operates on (n-1) bits o... | 01/06/1981 |
| 4241119 | Dimensionally heat-unstable products The invention relates to a shrinkable sleeve device easily assembled with a body to be protected thereby. It comprises a dimensionally heat unstable sheet-like portion to embrace the body with unique means for securing edge portions thereof together. The ... | 12/23/1980 |
| 4237339 | Audio teleconferencing An electro-acoustic terminal unit for use in an audio teleconferencing system comprises a loudspeaker and one or more microphones each having a sensitivity which is directionally dependent and exhibits at least one null or substantially null position. The... | 12/02/1980 |
| 4229622 | Multiplexing speech signals To transmit a number of individual speech channels over a smaller number of transmission channels, the frequency range of each speech channel is broken into sub-channels and each of these is considered separately for operational activity. Composite speech... | 10/21/1980 |
| 4228316 | Hollow pole with internal wire gripping and securing means A device for securing and anchoring a telephone wire comprises a narrow helix with widely spaced coils with an open bight at one end. The invention further comprises a telephone pole with an internal fixing element such as a ring with the device securing ... | 10/14/1980 |
| 4224787 | Apparatus for forming dielectric optical waveguide cables Apparatus for winding tape around an elongate core comprises a frame structure which supports one or more reels of tape. The frame structure carries a bobbin which is rotatable with the frame structure about the core. Tape passes from the reel to the bobb... | 09/30/1980 |
| 4219610 | Treatment of magnetic garnet film The magnetic bias field required to collapse magnetic domains in an epitaxial liquid phase grown garnet is reduced by a method of depositing a layer of a suitable element, e.g. gallium or chromium, on the surface of the garnet after growth and then heatin... | 08/26/1980 |
