"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 5181208 | Computation-conserving traffic data transmission method and apparatus In the evaluation of traffic announcements received in digitally encoded form in a data packet, the data packet is decoded continuously, and the traffic announcements are stored in memory after the decoding and evaluation. A computer in the receiver must ... | 01/19/1993 |
| 5122763 | Frequency snythesizer for implementing generator of highly pure signals and circuit devices, such as VCQ, BLL and SG, used therein A frequency synthesizer includes a control section; a first signal generator responsive to the control section for selectively outputting one of frequency signals whose frequencies are represented by Fp=a×|P|×ƊF (where the coefficient a is a posit... | 06/16/1992 |
| 4984168 | Method and apparatus for determining a route between a starting point and a destination In a method for determining a route between a starting point and a destination which are located on a digitally memorized road map, the problem is to perform the necessary calculations for determining the route within a short time, even for extensive road... | 01/08/1991 |
| 4974595 | Electrode device intended to be introduced into the body of a living being An electrode device intended to be temporarily introduced into the body of a living being and to essentially locally treat or electrically measure biological body tissue therein in order to, after a performed treatment or measurement, be removed. The elec... | 12/04/1990 |
| 4969885 | High frequency surgery device for cutting and/or coagulating biologic tissue A high frequency AC electro-surgery apparatus is equipped with an automatic regulation loop for controlling the output voltage (Ua) rather than the output power. An electrically isolating coupling in the form of an isolation transformer (5) is ... | 11/13/1990 |
| 4940779 | Method for the preparation of a polycarbonate powder A solution of a polycarbonate resin in a good solvent of the resin is introduced concurrently but separately or as mixed with a poor solvent of the resin into a blending machine of self-cleaning type and heated and devolatilized therein so that a fine pow... | 07/10/1990 |
| 4690762 | Apparatus for removing bubbles from a liquid Apparatus for removing bubbles from a liquid such as blood, includes a conically shaped filtration member disposed in a cylindrical vessel and coaxial therewith. The filtration member divides the space in the vessel into an upper space and a lower space. ... | 09/01/1987 |
| 4685370 | Automatic rhythm playing apparatus having plurality of rhythm patterns for a rhythm sound A plurality of different kinds of rhythm playing pattern data corresponding to each of the different rhythm sounds being used to play specified rhythms is stored in a rhythm pattern memory section (1). When a particular kind of rhythm is being played auto... | 08/11/1987 |
| 4683794 | Automatic music playing apparatus capable of producing a plurality of different sounds simultaneously A plurality of rhythm designation data are supplied from a CPU, and latched in corresponding individual latches which are responsive to channel data from a decoder. The latched data are supplied to an address ROM in response to corresponding channel timin... | 08/04/1987 |
| 4683479 | Thermal printer A thermal printer includes a thermal head having n heating elements arranged at a preset pitch D1 in a line, a memory including a first memory area storing a plurality of high speed printing character data each column of which is composed of n-bit data an... | 07/28/1987 |
| 4678643 | Apparatus for catalytic cleaning of exhaust gases from a furnace system Apparatus for catalytic cleaning of the exhaust gases of furnace systems. For selectively eliminating nitrogen oxides in the exhaust gases of furnace systems, chemical compounds, such as ammonia in vapor form, are introduced into the exhaust gases emergin... | 07/07/1987 |
| 4671634 | Liquid crystal projector A liquid crystal projector which comprises image light-refracting means for deflecting the direction in which ligh beams permeating liquid crystal display panel is projected on a screen by an angle corresponding to the suitable viewing angle of the liquid... | 06/09/1987 |
| 4670022 | Fuel composition for spark-ignition engine A fuel composition for spark-ignition engines consisting essentially of gasoline and a barium compound in an amount of 100 ppm or more in terms of barium metal and relative to the gasoline, said barium compound being selected from the group consisting of ... | 06/02/1987 |
| 4661021 | Expansion body An expansion body for constructions like piles or anchorages located in the earth is adapted for insertion into the ground in a compact shape and expanded therein to an expanded shape. The expansion is achieved by unfolding a folded metallic casing (11) b... | 04/28/1987 |
| 4585020 | Self-contained tent A self-contained tent includes a flat rectangular case which can be freely opened or closed. A tent sheet and a plurality of substantially U-shaped frame pipes are held in the case. The two ends of each frame pipe are pivotally supported in the case throu... | 04/29/1986 |
| 4571759 | Bed apparatus with a urinal A cushion unit with an opening section is placed atop a bed frame. Rails are laid under the bed frame, and a truck reciprocated by a drive mechanism is placed on the rails for traveling. The truck carries movable units on which an elastic pad and a urinal... | 02/25/1986 |
| 4563689 | Method for ink-jet recording and apparatus therefor An on-demand-type ink jet recording apparatus and process wherein the droplet size is controlled to effect halftone-gradiation recording. A preceding pulse is applied to the electromechanical transducer prior to the main pulse so as to control the positio... | 01/07/1986 |
| 4562478 | Liquid crystal television receiver Within a case a main television circuit, a liquid crystal display panel for producing an image on a front side thereof, an EL light illuminating panel and a driving circuit which is driven to cause said EL light illuminating panel to emit light are accomm... | 12/31/1985 |
| 4559973 | Water impervious heat shrinkable tube A water impervious heat shrinkable rubber or plastic tube wherein a laminated metal foil layer consisting of a metal foil film having a thickness of 0.01 mm to 0.1 mm and, laminated on each surface thereof, an electrically insulating or semiconducting rub... | 12/24/1985 |
| 4554605 | Mode setting device of a magnetic tape driving apparatus A mode setting device for establishing various driving modes in a magnetic tape driving apparatus, comprises a cam member, and a cam guide member guided by the cam member to be shifted between a plurality of positions. And a brake member and a pinch rolle... | 11/19/1985 |
| 4532105 | Casting alloy resistant to corrosion and wear at elevated temperatures A high temperature corrosion-resistant and wear-resistant casting alloy used for preparing rotatory cylinder of glass fibers spinning, which consists essentially of 0.08 to 0.8% of C, 15 to 35% of Cr, 1 to 5.5% of W, 0.10 to 0.25% of Ti, 0.10 to 0.25% of ... | 07/30/1985 |
| 4525075 | Electronic wristwatch with printer function An electronic wristwatch with a printer has a printing head which is arranged inside a wristwatch case with a recording paper loading portion and which performs printing on the recording paper. The printing head is moved by an operation member, and a disp... | 06/25/1985 |
| 4522688 | Process for recovery of cyclopentadienes The process gives highly pure cyclopentadiene and methylcyclopentadiene from a cracked gasoline fraction. The merit of the process is that cyclopentadiene and methylcyclopentadiene are recovered by adding a simple distillation system to a conventional cra... | 06/11/1985 |
| 4522138 | Method of preparing intercharacter control data for use in sewing machines Intercharacter data for use in an electronic sewing machine is prepared by the steps of constituting each intercharacter control data with a first stitch control data group for determining relative position between a fabric and a character, a second stitc... | 06/11/1985 |
| 4523232 | Video signal analog-to-digital converter for an image display apparatus A video signal analog-to-digital converter for an image display device comprises a reference signal generator, which can detect variations of the average level of a video signal and generate a variable upper and a variable lower reference potential in acc... | 06/11/1985 |
| 4522891 | Support for lithographic printing plate A support for lithographic printing plate having provided on an iron material (i) a layer substantially consisting of chromium and/or chromium oxide and (ii) a layer consisting essentially of a water soluble polymeric compound and at least one selected fr... | 06/11/1985 |
| 4522269 | Dual motor torque delivering tool A pneumatic power tool for tightening screw joints includes a primary motor 11 for a high speed running down sequence, a secondary motor 12 for a high torque final tightening sequence, a coupling gearing 18 providing a high ratio gearing for the secondary... | 06/11/1985 |
| 4521507 | Multi-layer light-sensitive silver halide color photographic material There is provided a multi-layer light-sensitive silver halide color photographic material having plural silver halide emulsion layers having respective sensitivities to light at different spectral regions on a support, wherein at least 80% of the total nu... | 06/04/1985 |
| 4521794 | Electrode and semiconductor device provided with the electrode A semiconductor layer is formed on at least one portion of a silicon substrate. The layer is made of poly-crystalline or amorphous multicomponent containing silicon, at least one element of Group IV having an atomic radius larger than that of silicon, suc... | 06/04/1985 |
| 4513846 | Motion snubbing device A motion snubbing device in which an inertia mass is rotatably mounted on a rotary shaft through a slide bearing and opposite to a flexible member fixed to the rotary shaft. The shaft rotates in accordance with the relative reciprocating movement of paire... | 04/30/1985 |
| 4512531 | Fishing reel with traverse-cam member rotatably mounted on anti-reverse shaft In a fishing spinning reel, a traverse-cam cylinder is relatively rotatably mounted on an anti-reverse shaft which is arranged inside a reel body in parallel with a spool shaft. An oscillator secured to the spool shaft engages the traverse-cam cylinder so... | 04/23/1985 |
| 4510764 | Control method for air conditioning systems for vehicles A control method for an air conditioning system for a vehicle, which is driven by an engine installed on the vehicle. The control method comprises selecting either a first control manner of controlling the air conditioning system so as to preferentially e... | 04/16/1985 |
| 4509496 | Ignition circuit for internal combustion engine having alternately operable high and low speed control devices An ignition circuit for an internal combustion engine includes an ignition coil having a primary winding which is controlled by a power transistor. The lower transistor is controlled by either a first or a second control transistor. When the primary curre... | 04/09/1985 |
| 4510540 | Cassette ejection mechanism for a cassette tape recorder A cassette ejection mechanism comprises an ejecting plate attached movably to a guide plate, a coupling plate rockably attached to the guide plate, the coupling plate having a pin and rocking in response to the slide motion of a sliding member, a toggle s... | 04/09/1985 |
| 4507932 | Control system for air conditioning systems A control system for controlling an air conditioning system having a variable delivery compressor and an evaporator for cooling and dehumidifying air supplied thereto from a blower. The control system comprises sensor means for sensing the evaporator boil... | 04/02/1985 |
| 4508450 | System for checking defects on a flat surface of an object A checking system for checking defects on an optically flat surface of an object to be checked is adapted to spirally scan the surface of the object with a laser beam which is projected from an optical head. The laser beam is reflected from the surface of... | 04/02/1985 |
| 4507935 | Overheat detecting device of an air conditioning system for automotive vehicles In an air conditioning system for automotive vehicles, an overheat detecting device is provided for detection of overheating of refrigerant circulated in the air conditioning system. The overheat detecting device is arranged in an outlet pipe connected to... | 04/02/1985 |
| 4509085 | Ejecting device of a magnetic tape driving apparatus An ejecting device which is used in a magnetic tape driving apparatus includes a first base plate extending parallel to the axes of reel shafts and at a right angle to a horizontal plane, a second base plate attached to the first base plate so as to be ro... | 04/02/1985 |
| 4507065 | Vane compressor having drive shaft journalled by roller bearings A sealing chamber is defined between the front head and the front side block, and an oil chamber between the rear side block and a partition member secured to the rear end face of the rear side block, respectively. The drive shaft, on which the rotor is r... | 03/26/1985 |
| 4507764 | Objective lens drive device with tracking error correction with flux of opposite direction An objective lens drive device for driving an objective lens comprises an objective lens drive mechanism arranged at both sides of the objective lens for flanking the objective lens in the direction of displacement of the objective lens. The objective len... | 03/26/1985 |