"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 |
| 7000278 | Method and apparatus for end of cycle signal for laundry appliance A method is disclosed for producing an end of cycle for a laundry appliance having a drive motor, a timer motor, and at least one water valve. The method includes determining that the drive motor was previously running and is presently turned off, determining that t... | 02/21/2006 |
| 6970750 | Model-free adaptation of a process controller An adaptive process controller drives a process variable to be substantially equivalent to a set point and adapts the controller gain, the controller reset, and/or the controller rate, based on model free adaptation. The adaptive controller combines a controller gai... | 11/29/2005 |
| 6928330 | CAD system, design-support program for CAD system, and design methods A computer-aided-design (CAD) system design-support program and design methods are provided where a generation command to generate a target shape is extracted from existing CAD data. The generation command is displayed so as to make it possible to arbitrarily select... | 08/09/2005 |
| 6865428 | Method and apparatus for providing distributed control of a home automation system A method and apparatus for providing distributed control of a home automation system is provided. Each device participating in a home automation system is equipped with control logic for providing distributed control. Through the control logic, each device maintains... | 03/08/2005 |
| 6834208 | Method and apparatus for providing distributed control of a home automation and control system A method and apparatus for providing distributed control of a home automation and control system is provided. Each device participating in a home automation and control system is equipped with control logic for providing distributed control. Through the control logi... | 12/21/2004 |
| 6684112 | Robust model-free adaptive control A Robust Model-Free Adaptive controller is disclosed for effectively controlling simple to complex systems including industrial processes, equipment, facilities, devices, engines, robots, vehicles, and appliances. Without the need of re-designing a contro... | 01/27/2004 |
| 6058054 | Method and system for providing an instant backup in a RAID data storage system A method and system for providing a backup of a portion of a source drive of a plurality of drives in a redundant array of inexpensive disks (RAID) data storage system is disclosed. The portion of the source includes a plurality of segments. The method an... | 05/02/2000 |
| 5751585 | High speed, high accuracy multi-stage tool positioning system A multi-rate positioner system (50) receives unpanelized positioning commands from a database storage subsystem (64), profiles the commands (72) into a half-sine positioning signal, and further processes the signal into a low-frequency positioning signal ... | 05/12/1998 |
| 5671135 | Programmable controller module The present invention relates to a programmable control module that may be connected to existing instrumentation in order to automate manual operations and/or perform new sequences of functions. As one specific example, the present invention provides for ... | 09/23/1997 |
| 5661648 | Control system for a book-binding machine An improved computer-automated control system for a book-binding machine which provides for emergency manual control of the binding machine in the event of failure of the computer-controlled portion of the control system. The improvement includes a manual... | 08/26/1997 |
| 5654885 | Valve position controller A valve position controller (10) for controlling the position of an industrial-valve element (29, 29') includes a check valve (72, 74) in each of closing and opening pressurized-fluid input lines (68, 70) for respectively leading pressurized fluids from a... | 08/05/1997 |
| 5585704 | Computer means for commercial washing machines An improvement is provided to upgrade preexisting commercial washing machines by incorporating microprocessor based controls. Elimination of unwieldy harnesses between manual operation controls and the washing machine controls provided as are improvements... | 12/17/1996 |
| 5499108 | Document-driven scanning input device communicating with a computer An integral input/computer component combination is disclosed wherein a input device may share a single data port on the host computer with a Fax modem and be mounted to a monitor, printer, keyboard etc. so as to have a small footprint. A pair of UARTS co... | 03/12/1996 |
| 5444614 | Apparatus for creating operation data concerning operating device The Purpose of this invention is to provide an apparatus for creating operation data with which a computer operates a machine tool, a measuring machine, or the like. The apparatus comprises a display unit, an input unit, a storage unit, an output unit, an... | 08/22/1995 |
| 5088020 | Pivotal movement control device for boom-equipped working machine Disclosed is a pivotal movement control device for a boom-equipped working machine provided with a pivotal movement control responsive to the inclined angle of a control lever and a position detector for detecting the moved position of a boom in a lateral... | 02/11/1992 |
| 5081494 | Job supplement for electronic printing machines An electronic printing system having a scanner for scanning documents and converting the document images to image signals, a printer for making prints from image signals, and a programmer for programming job selections including a job supplement selection... | 01/14/1992 |
| 4982694 | Automatic coating system An automatic coating system includes a coating apparatus for coating a coating material on an object to be coated in accordance with a coating operation including a plurality of steps, a memory for storing operation programs of a series of steps, a step u... | 01/08/1991 |
| 4946343 | Method of regulation that prevents surge in a turbocompressor A regulating method for preventing surges in turbo-compressors, in which the compressor flow and forwarding pressure are continuously measured. The compressor operating point is defined by the compressor flow and the forwarding pressure. Surges are preven... | 08/07/1990 |
| 4824229 | Microscope with automatic sweeping device A microscope with an automatic sweeping device which automatically sweeps a preparation, membrane filter, etc. for observing subjects, such as cells, microbes or others, existing thereon, is offered. The automatic sweeping device has the following functio... | 04/25/1989 |
| 4669042 | Stepless pulse count switching An up-down counter is fed pulses generated manually and/or automatically from either or any of two or more command sources. Gating circuitry ahead of the up-down counter may be used to enable counts from only one source at a time. The output of the counte... | 05/26/1987 |
| 4652804 | Acceleration/deceleration system for a numerical controller A numerical controller of the type in which acceleration or deceleration processing is performed by an acceleration/deceleration circuit (7) prior to an interpolation by an automatic mode distributor (1); a smooth acceleration or deceleration is carried o... | 03/24/1987 |
| 4646528 | Temperature set point control for a refrigerator A refrigerator control according to the present invention allows a user to establish one or more set points for controlling the temperature of one or more refrigerated compartments. Means are provided for selecting either a normal mode of operation whereb... | 03/03/1987 |
| 4642540 | Robot control systems During demonstration of a job sequence by an operator, an image error signal generated by a camera raster, is fed into a register, where it corrects the actual raster position, which is then stored in a data store. A tachometer signal from a joint of a mo... | 02/10/1987 |
| 4635209 | Overspeed protection control arrangement for a steam turbine generator control system In a steam turbine control system three overspeed protection circuits (OPC) are provided, each one being identical to the others and each having a programmable digital computer in two-way data communication with a master controller, as well as with the ot... | 01/06/1987 |
| 4533990 | Computer process control system A computer process control system includes at least one control section which is housed in a case and connected to a detection terminal and which automatically produces an operation signal for compensating for a difference between a process variable and a... | 08/06/1985 |
| 4510427 | Method and apparatus for controlling feed speed in numerical control system A method and apparatus for controlling the feed speed of a machine in a numerical control system having a manual pulse generator for generating pulses in response to a manual operation. The numerical control system numerically controls the machine by supp... | 04/09/1985 |
| 4509000 | Bumpless feedback switching apparatus for use in a servo system Apparatus, for use in a servo-control system and which provides a smooth "bumpless" transition while switching from one transducer feedback signal to another, is described. Specifically, with this apparatus, a plurality of tracking signals are first produ... | 04/02/1985 |
| 4503373 | Numerical control system Ordinarily, an interpolator (102) executes pulse calculations on the basis of a movement command from a command tape (101), to generate the respective distributed pulses XP, YP, ZP, BP and CP of cartesian coordinate axes and spherical coordinate axes, and... | 03/05/1985 |
| 4491905 | Method for driving a motor used in a loom An arrangement to preclude false starting and stopping of a motor driving a loom in accordance with start and stop control signals from a microprocessor control unit susceptible to noise. The motor is connected to start only upon coincidence between the c... | 01/01/1985 |
| 4469994 | Reference signal circuit In the control of prime movers, automatic and manually generated input signals should be able to be entered into the control system without undue control disturbance or perturbation. Likewise should an automatic signal fail, the switch to a last valid sig... | 09/04/1984 |
| 4463430 | Microprocessor based pellet mill control A microprocessor based pellet mill controller provides fully automatic, programmed operation of a pellet mill with operator selection from among several operating system parameters to control a pellet run. The controller comprises an operator's console ha... | 07/31/1984 |
| 4451879 | Circuit for providing a common setpoint for manual and automatic regulation of a process control system A circuit for providing a common setpoint for both automatic and manual operation of a process control system includes a process controller. A parameter of the process can be changed by changing the output of a controller. A variable input voltage to the ... | 05/29/1984 |
| 4368520 | Steam turbine generator control system A turbine control system which includes dual controllers having microcomputer processing circuits and capable of transmitting and receiving digital information to and from a plurality of valve position control circuits, also including their own microcompu... | 01/11/1983 |
| 4344128 | Automatic process control device Automatic Process Control Device having input transistors to receive process and set point signals; a subtractive amplifier to compare the process and set point signals and produce one of two amplified deviation signals which are limited to maximum values... | 08/10/1982 |
| 4298946 | Electronically controlled programmable digital thermostat An electronic digital programmable wall thermostat system for controlling heating and cooling systems supplying an indoor area or space. The thermostat includes a digital clock, a display for displaying desired parameters of time and temperature and a dat... | 11/03/1981 |
| 4176395 | Interactive irrigation control system An irrigation control system and a related method for controlling a large number of valves in accordance with a plurality of schedules of instructions provided by the user of the system. Schedules of instructions may be created or modified during normal o... | 11/27/1979 |
| 4165532 | Automatic irrigation sprinkler system controller A solid state controller for an automatic irrigation sprinkler system is disclosed. Irrigation information is maintained in and acted upon by solid state logic and control circuit means. Initialization and re-parameterization of the irrigation information... | 08/21/1979 |
| 4151590 | Process control system A process control system for multiplex operation of several process control loops. The system includes process input and process output units, analog and computer operation units and operator's interface stations, the exchange of process information betwe... | 04/24/1979 |
| 4146271 | Control of self-advancing mine roof supports Control units at each support have means for receiving function initiating signals from a communication system common to the supports, means responsive to those function initiating signals for issuing corresponding control signals to component elements of... | 03/27/1979 |
| 4141065 | Electric controller system with bumpless transfer An electric controller system includes a comparator at the input of a processor, the processor including a program memory, an operation control unit and a data memory. A digital/analog converter is provided at the processor output. Analog/digital conversi... | 02/20/1979 |