Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7369916 | Drill press A power tool control system connected with a drill press provides a system for determining operational settings for the drill press and/or structural factors of a workpiece to be operated upon by the drill press. For instance, the power tool control system may estab... | 05/06/2008 |
| 7359762 | Measurement and alignment device including a display system A graphical user interface communicatively coupled with a non-contact measurement and alignment device enables user control over and display of the readings from the non-contact measurement and alignment device. In operation with a power tool, the graphical user int... | 04/15/2008 |
| 7353612 | Laser system and method for alignment of tooling onto corrugated box cutting machines An alignment device adapted to be combined with a manufacturing machine having a rotating cylinder. The device comprises at least one laser that emits a line of light across the vertical axis of the cylinder, and at least one laser that emits a line of light across ... | 04/08/2008 |
| 7290474 | System for rapidly stopping a spinning table saw blade A system for stopping a spinning table saw blade is comprised of a pin assembly disposed adjacent to a saw blade assembly for stopping a spinning saw blade. A receiving block is disposed on a side of the saw blade opposing the pin assembly for receiving the tip of t... | 11/06/2007 |
| 7243440 | Gauge for use with power tools A gauge for connecting with a power tool and providing a system for determining structural factors of a workpiece to be operated upon by the power tool is provided by the present invention. The gauge including a probe connected with a sensor via a spring, wherein co... | 07/17/2007 |
| 7197834 | Variable test object and holder for variable test objects The invention relates to a holder for test objects, which are composed of at least two targets and at least one connecting element, comprising at least one carrier, at least one guide, which is arranged on or/and in the at least one carrier, and seats for the target... | 04/03/2007 |
| 7162956 | Method and control device for determining a register error A method and control device for determining a register error, whereby at least one register mark is printed and at least one sensor records the register mark, whereby the sheet edge of the sheet is recorded by the sensor, and the register error is determined from th... | 01/16/2007 |
| 7158256 | Method of recording image and image recorder An image recorder and a method of recording an image on a printing plate are provided. A punch unit for forming punched holes and the like for use in a printing apparatus in the printing plate positions the printing plate by bringing a pair of reference pins into co... | 01/02/2007 |
| 7137327 | Riving knife assembly for a dual bevel table saw An embodiment of the present invention is directed to a riving knife assembly for a dual bevel table saw, comprising: a first armature configured for coupling with a beveling member; a second armature adjustably and rotatably coupled with the first armature; a first... | 11/21/2006 |
| 7127993 | Positioning apparatus provided with a register for flexible printing plates The invention relates to a positioning apparatus for positioning flexible printing plates on printing cylinders, wherein the printing plates are provided with at least one mark functioning as reference, wherein the apparatus comprises: ... | 10/31/2006 |
| 6966713 | Print media edge detection method and apparatus A print media edge detection method including: generating reference data by scanning an edge zone of a sheet of print media using an optical sensor and detecting the amount of reflected light; if the edge zone of the sheet lies in a sensing zone of the optical senso... | 11/22/2005 |
| 6845713 | Device for registering a printing plate position A device for registering the position of a printing plate on the plate cylinder of a printing machine includes sensors responsive to being covered by the printing plate, the sensors being provided on one of the plate cylinder and an attachment device of the plate cy... | 01/25/2005 |
| 6662725 | Positioning method and positioning device for positioning printing plate relative to surface plate A printing plate is held at one point thereof by a holding portion provided at a surface plate. When pushed by a pushing portion, the printing plate is only rotationally displaced. Thus, an angular error is substantially eliminated and displacement of the... | 12/16/2003 |
| 6502511 | Printing plate processing apparatus and method of detecting the location of a register mark on a printing plate The present invention provides a method of detecting the locations of right and left register marks respectively burned onto right- and left-hand side portions of a printing plate based upon image data of images respectively captured within an image proce... | 01/07/2003 |
| 5797193 | Alignment apparatus for lithographic system An apparatus is provided for configuring a printing station of a lithographic system to align a workpiece with a printing cylinder of the printing station. The apparatus includes an elongated body attached in a predetermined fashion to a platform which su... | 08/25/1998 |
| 5718057 | Register draw-in device A register draw-in device for sheet printing and embossing machines has two front or leading edge stops and a side stop, and position sensors (S1, S2, S3) for detecting print marks (P1, P2, P3) of a sheet (5). Two detectors (D1, D2) associated with the fr... | 02/17/1998 |
| 5648189 | Pin registration for screen printing A pin registration bar aligning an image film to a screen mesh of a screen printing frame. The pin registration bar has a bar and a plate, The bar has an upper surface, a lower surface, and a pair of side surfaces. The plate has a pair of generally parall... | 07/15/1997 |
| 5488781 | Positioning apparatus for printing plates The invention relates to an apparatus for positioning flexible printing plates comprising at least two markings on a printing cylinder, a support device for the printing cylinder, a projection device for projecting reference marks on the printing cylinder... | 02/06/1996 |
| 5479722 | Movable registration pin mechanism Apparatus for providing a movable upright registration pin extending above a horizontal work surface for locating workpieces on the tooling plate of a computer controlled drilling machine. A straight edge member, disposed in a channel in the surface of th... | 01/02/1996 |
| 5337486 | Mechanism for adjusting the skew angle of inclination of a printing plate on its plate cylinder A mechanism is described for adjusting the skew angle of inclination of a printing plate engaging the periphery of a plate cylinder, by means of a lever system which adjusts the edges of the printing plate in opposite directions. For this purpose, the two... | 08/16/1994 |
| 5255607 | Method and apparatus for maintaining registration when making a printing plate A printing plate making apparatus for color printing is provided with a depicting section for recording an image on the surface of a printing plate, a processing section for processing the printing plate, with a processing solution, while conveying the pr... | 10/26/1993 |
| 5226366 | Method and apparatus for aligning screens used for application of ink patterns to a substrate An apparatus and method are provided for registration of screens used in ink transfer processes for the printing of patterns on substrates such as clothing and other articles. The apparatus includes a platen surface and registration members that are mount... | 07/13/1993 |
| 5097763 | Plate cylinder arrangement for a printing press Disclosed is an apparatus for a printing press, with means being provided in the press for correcting any out-of-register position of a printing plate, so as to release, after the printing plate has been clamped onto the plate cylinder, initially the tens... | 03/24/1992 |
| 4896427 | Draughting apparatus A draughting apparatus 10 comprising a plurality of substantially planar symbols elements 30 having raised outlines 50 for depicting predetermined symbols 32, a support panel means 12, 16, for supporting the symbols elements 30 in a generally planar layou... | 01/30/1990 |
| 4872407 | Method for the mounting of a flexible printing plate on a cylinder, and apparatus for the execution of the method An apparatus for the mounting of a flexible printing plate (2) on a plate cylinder (1) comprises optical spotting devices (6) arranged to read register marks (5, 5') on the printing plate outside the printing plate picture (3). The printing plate (2) is s... | 10/10/1989 |
| 4613395 | Apparatus for bonding a printing plate on a base film Methods of bonding a printing plate on a base film and an apparatus therefor are disclosed. The apparatus includes a pair of support mechanisms, one of which is horizontally located and the other of which is disposed at a right angle with respect to the h... | 09/23/1986 |
| 4604811 | Holding unit for mounting and aligning printing plates A holding unit (70) for mounting and aligning printing plates on a printing cylinder (72) of a flexography machine enabling an accurate adjustment of various printing plates with respect to each other. The unit (70) comprises a rail (76) releasably applic... | 08/12/1986 |
| 4573406 | Screen printing device A screen printing device including a work table having a printing position with a holder to retain a substrate in the printing position, a holder for a screen provided with a mask, the mask having referenced portions, a microscope, an adjuster for positio... | 03/04/1986 |
| 4520730 | Presetting process for printing cylindrical or conical articles A process for presetting a dry offset printing machine intended for printing cylindrical or conical workpieces, in which presetting templates are prepared from a matrix film which is also used for producing the working blocks and perform the function of p... | 06/04/1985 |
| 4520389 | Method of mounting printing blocks in correct positions on form cylinders of flexographic printing machines for multicolor printing The invention relates to a method of mounting printing blocks on form cylinders of a flexographic printing machine for multicolor printing in correct positions determined by a mounting pattern, which is secured to a mounting cylinder or mounting table. Tw... | 05/28/1985 |
| 4495583 | Apparatus and method for encoding positions of web press machines An apparatus and method for encoding the lateral or circumferential setting within a web press of a laterally or circumferentially adjustable machine for operating on a web is provided. The machine has an element which moves linearly as the machine is adj... | 01/22/1985 |
| 4449452 | Rapid plate mounter A printing plate mounting device (10) to receive a print cylinder (14) to aid in the application of a printing plate to the cylinder (14), the mounting device includes a support (12) for the cylinder (14) enabling vertical movement of the cylinder (14), a... | 05/22/1984 |
