"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7327054 | Linear actuator comprising velocity sensor A linear actuator for a motion system is provided with a velocity sensor for monitoring a velocity of an actuation arm that it is driving. The linear actuator comprises a magnetic field, a first coil that is controllably movable within the magnetic field by adjustin... | 02/05/2008 |
| 7268441 | Control device for motor generator In the control device for motor generator in which an engine is started and power generation is performed while a vehicle is running, a field current limit value Ifm in electric driving to start the engine is larger than a field current limit value Ifg in power gene... | 09/11/2007 |
| 7245049 | Vibrator and method for manufacturing the same A vibrator of the present invention comprises a coreless coil (2), a driver (4) including a magnet (4a) inserted in the coreless coil (2), a yoke (4b) for pinching the coreless coil (2) and facing the magnet ( | 07/17/2007 |
| 7150606 | Electromagnetic fuel pump An electromagnetic fuel pump, including a pump, an electronic control circuit board assembly (PCB) and electromagnetic coil operatively arranged to operate the pump, and, a housing arranged to house the pump and the PCB/coil assembly, the housing including an integr... | 12/19/2006 |
| 7081738 | Generating device having magneto generator A generating device that includes an AC/DC conversion unit having a rectifier circuit that rectifies an output of a magneto rotor and applies the output to a battery, and an inverter circuit that converts a voltage of the battery into an AC control voltage and appli... | 07/25/2006 |
| 7021569 | Fuel injection valve A fuel swirler positioned upstream of an injection orifice is disposed at the tip of a nozzle body in a fuel injector, in which the fixed core and the nozzle body are coupled to each other via a non-magnetic cylindrical seal ring press-fitted and welded to the outer... | 04/04/2006 |
| 6592066 | Thread guide for traversing a thread in a rotating winding bobbin A thread guide (33) for traversing and guiding a thread (5) in a rotating winding bobbin (1) for producing a cross-wound bobbin in a bobbin winder of a textile machine by controlling vibrations of the thread guide. The thread guide (33) is permanently and... | 07/15/2003 |
| 6511012 | Apparatus for controlling the tension of a traveling yarn in an automatic winding device An apparatus for controlling the tension of a traveling yarn includes a rake tensioner having stationary and displaceable yarn tensioning elements in engagement with the traveling yarn, and an electrical coil to which electrical current is supplied by a r... | 01/28/2003 |
| 6411050 | Device for driving vibration actuator In a portable device for driving a vibration actuator by means of a battery, a power supply circuit equipped with a boosting circuit for converting a voltage of a built-in battery 1 into a high voltage and a pulse generating circuit for intermittently sup... | 06/25/2002 |
| 6351089 | Control system for a linear vibration motor A control system for a linear vibration motor capable of eliminating necessity of a separate sensor of detecting the motion of the motor. The linear vibration motor includes a stator provided with a winding, and a vibrator provided with a permanent magnet... | 02/26/2002 |
| 6311919 | Yarn guide for the traversing delivery of a yarn to a rotationally driven takeup bobbin A yarn guide imparts a traversing motion to a yarn being delivered to a rotationally driven takeup bobbin in a textile yarn winding operation to create a cross-wound bobbin, or cheese. The yarn guide includes a fork-like yarn guide pivoted about a pivot a... | 11/06/2001 |
| 4749892 | Spring arrangement with additional mass for improvement of the dynamic behavior of electromagnetic systems A supplementary mass is arranged in an electromagnet system between armature and reset spring in such a way that, after reaching an end position, the armature is relieved of the spring force; due to the relief, a high excess of magnetic force is available... | 06/07/1988 |
| 4702602 | Dither mechanism for ring laser gyroscope A dither mechanism comprises a hub (10) arranged to be fixed to a mounting, and a rim (11) coaxial with the hub and to which the ring laser may be attached. A number of radial spokes (12) interconnect the hub (10) and the rim (11), and each has its point ... | 10/27/1987 |
| 4550266 | Reciprocating armature motor for driving electrical equipment A reciprocating armature motor for electrically driving equipment such as a piston pump for a paint spray gun or a diaphragm compressor characterized by a stator having a solenoid, an armature pivotally mounted at one end to the stator and having a second... | 10/29/1985 |
| 4382243 | Electromagnetic positioning device with piezo-electric control A piezo-electric control device is used to restrain movement of the armature of an electromagnet until the current through the exciter winding of the electromagnet has reached almost the maximum value. This causes the force applied to the armature to be t... | 05/03/1983 |
| 4318016 | Transducer In combination, a water bed frame with side boards, a water filled flotation mattress within the frame, an electromagnetic vibrating transducer unit between a side board and the mattress and operable to generate and transmit motion into the mattress and a... | 03/02/1982 |
| 4010390 | Electromagnetic actuator comprising a plunger core An electromagnetic actuator having a plunger core and a stationary ferromagnetic core, both surrounded by an electrical winding, is provided with means for adjusting the axial position of the stationary core in relation to the winding, said means being op... | 03/01/1977 |