"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 |
| 7351018 | Method and apparatus for measuring a depth of holes in composite-material workpieces being machined by an orbiting cutting tool A method and apparatus for measuring a hole depth in a composite-material workpiece machined by a orbital cutting tool, including the steps of applying a low-level electric potential to an electrically insulated cutting tool having a cutting head with radial and axi... | 04/01/2008 |
| 7284937 | Machining apparatus A pulse generation means that generates a pulse each time an XY movable member moves linearly by a certain amount relative to a base is provided. A workpiece and a light and dark pattern member are provided on the base. A tool, a light and dark pattern scanning sens... | 10/23/2007 |
| 7131800 | Circuit board router apparatus and method thereof A circuit board router (10) and method thereof. De-paneling of printed circuit boards (62) off a panel 860) is efficiently increased by a router (40) which is positioned at a location above the panel (60). A fixture positions the p... | 11/07/2006 |
| 6884204 | Machine tool A machine tool comprises: a workpiece spindle (12) having an electromagnetic chuck (18) provided on an upper end thereof for clamping a workpiece (W), and extending along the Z-axis; a tool magazine which accommodates a tool (T) and a centering jig ( | 04/26/2005 |
| 6830416 | System and method for securing workpieces to a worktable of a CNC machining system utilizing a low level vacuum source A system and method for operating a machine whereby a workpiece is held on a worktable of the machine with a suction force. When the work piece has a surface area insufficient to receive a full cut from a tool mounted in a tool head of the machine, the machine autom... | 12/14/2004 |
| 6749377 | Process for edge-machining of optical lenses A process for edge-machining an optical (spectacle) lens including preliminary machining of an edge of the lens rotatable in controlled manner about a rotational axis of a workpiece by a first edge-machining tool adjustable radially relative to the rotational axis o... | 06/15/2004 |
| 6478516 | Stator bar insulation stripping machine and method A machine is provided for stripping the ground wall insulation from a stator bar quickly and in such a manner that the copper strands will not be damaged. The apparatus of the invention includes a power driven cutting tool for milling or routing the insul... | 11/12/2002 |
| 6476575 | Method and system for adaptive control of turning operations An adaptive control system for adaptively controlling a turning operation performed at a work piece by a turning tool adjusts a controlled input operation parameter F to maintain an output operation parameter ƊM substantially at a predetermined value ƊM... | 11/05/2002 |
| 6000113 | Vertical machine tool In a vertical machine tool has a main spindle head (13); a main spindle (15) rotatably supported by the main spindle head vertically; and a worktable (7, 9) movable horizontally, a frontmost stroke end position of the worktable (7, 9) relative to the main... | 12/14/1999 |
| 5678963 | Method for truing sets of rail vehicle wheels by chip removal and under-floor machine for performing the method Wheels of rail vehicles are trued while the wheels are kept rotating about a wheel center of rotation that is continuously corrected to keep the center of rotation in a fixed position in response to eccentricities a wheel may have, especially in its outer... | 10/21/1997 |
| 5620286 | Flycutting machine for manufacturing printed circuit boards A flycutting apparatus and a method of manufacturing printed circuit boards are disclosed. The flycutting apparatus may include a sensor for detecting changes in the relative positioning of an associated rotatable flywheel and the surface of an object, su... | 04/15/1997 |
| 5240359 | Machining apparatus Machining apparatus comprises a boom displaceable along spaced rails and a carriage displaceable along the boom perpendicularly to the displacement direction of the boom. A machining station is adjustably supported on the carriage by three adjustment mean... | 08/31/1993 |
| 5094574 | Spot facing method and apparatus for printed circuit board A spot facing method and apparatus for processing a printed circuit board incorporates a sensing device having a sensor probe capable of sensing the level of the surface of a printed circuit board, another sensing device for sensing the position of the en... | 03/10/1992 |
| 4653965 | Automatic mica undercutter An improved machine for undercutting the commutator of a DC motor. Designed specifically to undercut the mica insulation slots of a commutator, the device includes drive means to allow slippage of an undercutting assembly so that saw and spindle assembly ... | 03/31/1987 |
| 4647261 | Cutting device and method for the precision trimming of the edge of a cast lens A cutting device and method for the precision trimming of a selected portion of the peripheral edge of a cast lens secured on the external surface of a male mold independent of any eccentricity that may exist between the opening defined in the mold and th... | 03/03/1987 |
| 4413936 | Control device in a machine tool The present relates to machine tools, such as hond drills and more particularly to control devices utilized for controlling the speed of the machine tool.... | 11/08/1983 |
| 4400120 | Apparatus for removing temporary side terminals from batteries An apparatus for removing temporary side post terminals of at least one multi-celled battery case for lead acid automobile batteries is disclosed. The subject apparatus comprises a horizontal transversely reciprocating work station containing a plurality ... | 08/23/1983 |