An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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| Number | Title | Issue Date |
| 6675715 | Electronic projectile fuse A device supplies electric energy for projectile detonators without a battery or additional energy generation during flight of the projectile. For operating the projectile detonator in the flight phase, a supply capacitor charged during an inductive progr... | 01/13/2004 |
| 6619935 | Mixing valve with axially segmented stator windings for axially positioning a control element for controlling the fluid connection between inlets and outlets The invention relates to a mixing valve with at least two inlets and at least one outlet. A control element is configured as a pump wheel controls the fluid connection between the inlets and the outlets. The pump wheel is connected to a hollow shaft which... | 09/16/2003 |
| 6067162 | Process for measuring the roughness of a material surface In order to measure the roughness of the surface of a material, in particular of a paper web, the surface of the material is illuminated with a parallel bundle of light beams and the scattering ellipse of the reflected light is evaluated. According to the... | 05/23/2000 |
| 5934169 | Double-acting electropneumatic positioner A double-acting electropneumatic positioner for controlling an actuator, the actuator having a first and second chamber, comprises a single-acting electropneumatic positioner which provides an output pneumatic pressure to the first chamber of the actuator... | 08/10/1999 |
| 5916250 | Process for setting the static superheating in expansion valves for coolant circuits To effect the adjustment, the expansion valve is first set for a basic coolant (Ro) to a substantially constant static overheating temperature (Ɗtoh) in a predetermined working range of the evaporator temperature and, when the coola... | 06/29/1999 |
| 5830347 | Cleaning mechanism for a fluid filter A filter assembly has a cylindrical filter element immersed in the fluid to be filtered, and which fluid normally flows radially inwards through the filter element and is thereby filtered. When the filter element is to be cleaned by backflushing, fluid fl... | 11/03/1998 |
| 5621220 | Apparatus for evaluating measuring values An apparatus evaluates measuring values from a laminar material, wherein the laminar material is moving in a single plane in a predetermined direction, the laminar material being moved also being under test. The apparatus comprises a measuring platform wh... | 04/15/1997 |
| 5460328 | Method for the automatic optimization of a heating curve A method for the automatic optimization of the heating curve of a heating controller in a heating plant is devised, whereat the heating curve is approximated by the potential function y=k.multidot.x, in which function the coefficient k a... | 10/24/1995 |
| 5406137 | Circuit arrangement for evaluating the signal of a capacitive measuring sensor A capacitive humidity sensor circuit in which a one-shot circuit produces pulses having a pulse duration determined by the capacitance of a capacitive sensing element, the one-shot circuit being triggered by the trailing edges of pulses in a pulse train p... | 04/11/1995 |
| 4848726 | Apparatus for transducing an electrical signal into a pneumatic signal An electro-pneumatic transducer comprises a moving coil supported by the baffle plate covering a nozzle with the baffle plate consisting of a disk spring being concentrically arranged with respect to the nozzle.... | 07/18/1989 |
| 4641255 | Apparatus for simulation of visual fields of view At a simulation of the visual field of view in the training of a battle situation, a TV-monitor is arranged in the field of view of the optics of a person to be trained. On said monitor a cut-out of a digitally stored background image is displayed. The cu... | 02/03/1987 |
| 4597740 | Method for simulation of a visual field of view At the simulation of a visual field of view for training of a battle situation, the image of the background is displayed on a TV-monitor (16) which is arranged in the field of view of the optics of a person to be trained and moveable targets are cut in in... | 07/01/1986 |
| 4585418 | Method for simulation of a visual field of view At the simulation of a visual field of view as it is used on battle trainers, the image (16) of a background and the image (18) of a moveable target is displayed on a TV-monitor in the field of view of the optics of a person to be trained. The images are ... | 04/29/1986 |
| 4583447 | Pneumatic diaphragm actuator with a pneumatic position controller Pneumatic diaphragm actuator having a driving rod for acting upon a push rod of a position controller through a return spring, wherein an inversion device when inserted between the diaphragm actuator and the position controller, inverts the force exerted ... | 04/22/1986 |
| 4522220 | Diaphragm module for pneumatic control systems A diaphragm module for pneumatic control systems comprises at least a pressure comparing stage and a force/pressure transducer controlled by said stage. The design of said module comprises chambers in a housing divided by diaphragms, wherein the force tra... | 06/11/1985 |
| 4510961 | Pneumatic controller A pneumatic controller is disclosed having an automatic switching of its time behavior as a function of the control pressure by means of a relay being arranged in the integrating feedback path and being actuated by the control pressure. According to the i... | 04/16/1985 |
| 4470107 | Digital regulating and/or control system For the implementation of a regulating and/or control system under use of a microprocessor, the system first is arranged column by column and line by line in a functional diagram. The input values of the system are written in an X-register line by line. A... | 09/04/1984 |
| 4299484 | Range and speed measuring equipment with noise frequency modulated transmitter Range and speed measuring equipment is disclosed including a laser transmitter for transmitting laser pulses of a noise modulated carrier frequency toward a target. Return pulses are received by a receiver including a photodetector for mixing the return p... | 11/10/1981 |