Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7360331 | Pistol with firing pin blocking magazine disconnect mechanism An autoloading pistol with a magazine disconnect mechanism that blocks discharge of the pistol when the magazine is removed by action upon the pistol's firing pin. The pistol may generally include a removable magazine, a housing defining a chamber to hold a cartridg... | 04/22/2008 |
| 7174488 | Echo canceler-based mechanism for performing and reporting fault diagnostic testing of repeatered telecommunication line A repeater-installed fault location mechanism conducts parametric measurements on a segment of wireline to which the repeater is connected, and adjusts taps of an echo cancellation operator in the repeater transceiver equipment, in accordance with the response of th... | 02/06/2007 |
| 7023963 | DSL line card echo canceler-based mechanism for locating telecommunication line fault A digital subscriber loop line card-installed mechanism conducts parametric measurements on the wireline to which the line card is connected, and adjusts taps of an echo cancellation operator in accordance with the response of the wireline to an electrical stimulus ... | 04/04/2006 |
| 6125675 | Wire draw machine with integral coil-supporting table A wire drawing machine includes a draw die for reducing unfinished wire to a predetermined size, a power-driven capstan rotatable about a horizontal axis for drawing wire through the die, and an integral floor-mounted coil-supporting table which carries a... | 10/03/2000 |
| 5937682 | Fail-safe fin mill machine wrap-up detector A fin mill machine for forming electrically conductive strip stock into corrugated fin material includes a form roller for forming corrugations in the strip stock, which is at an electrical common. A detector detects when the strip stock wraps up around t... | 08/17/1999 |
| 5884542 | Method and apparatus for die jam protection/anticipation and correction A method and apparatus for protecting a die from damage due to material jams in material stamping equipment wherein feed material is stamped in a die and then advanced through the die by action of press feed rolls powered by a press feed roll drive motor.... | 03/23/1999 |
| 5761938 | Wire defect detector for a wire handling machine A wire defect detection apparatus (70) is disclosed for use in a machine (10) that process wire (48) during the course of a sequence of manufacturing operations. The defect detector (70) includes a pair of rollers (80, 86), one being a follower roller (86... | 06/09/1998 |
| 5244067 | Wire runout and splice detector for lead-making machines A detector on a wire lead machine includes a pair of contacts biased into a normally closed position. The wire is fed between the contacts, keeping the contacts open, and the insulation on the wire prevents electrical conductivity between the contacts. If... | 09/14/1993 |
| 5097688 | In-line wire drawing machine with overhead turntable An in-line wire drawing machine includes a power-driven capstan rotatable about a horizontal axis and operable to unwind wire from a coil and to pull the wire through a drawing die for reducing the diameter of the wire. In order to conserve floor space, t... | 03/24/1992 |
| 4774824 | Apparatus for straightening self-hardening hot-rolled wires and for feeding them to a consumer In an apparatus for feeding self-hardening hot rolled wires from supply reels to a consumer and for straightening the wires, in each feed path there is a rotor-type straightening device (3) with a straightening rotor (3b) deflecting the wire (1) radially ... | 10/04/1988 |
| 4286446 | Machine control apparatus A machine draws stock from a source to a first work station at which a first operation is performed on the stock. The stock is then delivered to a second work station so a second operation may be performed on the stock. The machine has an electromechanica... | 09/01/1981 |
| 4114413 | Broken wire switch apparatus This disclosure pertains to a broken wire switch for use in conjunction with a wire drawing machine. It includes a light source and a light detector, both mounted on the common side of the path of travel of the wire. The light source and detector are arra... | 09/19/1978 |
| 4079608 | Multi-stand rolling mill with an overload protection device Multi-stand rolling mill with a device for protection against overloads due to irregularities in the feed of the rolled product, comprising a kinematic chain for transmitting motion to the stands from at least one drive means, with an individual drive sha... | 03/21/1978 |
