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"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 |
| 5220271 | Cross regulator for a multiple output power supply The disclosed invention regulates the voltage of an output terminal of a multiple output power supply. It operates by diverting current from one output terminal to another output terminal. The invention is less expensive than other alternatives, and has p... | 06/15/1993 |
| 5212776 | Computer system comprising a main bus and an additional communication means directly connected between processor and main memory A processor in a computer system is connected, together with one or more control units of peripheral apparatus, to the main memory via a main bus. For a very fast processor the storage capacity of the main memory should be so high that the full physical a... | 05/18/1993 |
| 5208768 | Expert system including arrangement for acquiring redesign knowledge A new expert system performs a redesign in connection with an original design. The expert system comprises a discrepancy determination component that identifies a discrepancy between operation of the original design and a desired operation. A redesign com... | 05/04/1993 |
| 5208518 | DC-DC boost converter for spindle motor control A process and a circuit control the rotational speed of a direct current motor. In particular, the motor may be used to drive magnetic or optical data carriers. The motor is fed with a motor current by a switching device for commutation wherein the motor ... | 05/04/1993 |
| 5206713 | Mounting silicon chips A mounting for a semiconductor chip is composed substantially of polysilicon materials and incorporates integral heat dissipating elements into its design. The mounting can be cast from molten polysilicon or machined from a block of solid polysilicon depe... | 04/27/1993 |
| 5204496 | EMI shielding gasket An EMI shielding gasket made of springy electrically conductive material. The gasket includes a pair of generally parallel laterally spaced apart U-shaped channel members each with its channel entrance facing away from the other member. A pair of ends ori... | 04/20/1993 |
| 5199743 | Disk carrier A folder is described which holds and protects media, such as multiple disks, during and subsequent to shipping. An insert is provided that may be assembled with the folder and which increases the disk storage capacity of the folder assembly. A pocket is ... | 04/06/1993 |
| 5199168 | Non-slip tachometer roller A method of forming a tachometer roller for a tape drive assembly for detecting the speed of a tape moving along a reference axis when the tape is in contact with the roller. The roller includes a cylinder extending in a longitudinal axis and adapted to b... | 04/06/1993 |
| 5193039 | Permanet magnet easy-axis biased magnetoresistive head Method and apparatus for supplying bias to a magnetoresistive element in an encapsulated thin film head for reducing the likelihood of generation of Barkhausen noise when reading flux from a magnetic storage disk. The invention achieves a relatively unifo... | 03/09/1993 |
| 5192893 | Electromagnetic radiation shield for a video amplifier The disclosed invention relates to a video display system having a device for shielding electromagnetic radiation emitted from electrical wires which connect a video amplifier to a cathode ray tube. The device uses inexpensive unshielded wires which are r... | 03/09/1993 |
| 5192214 | Planar interconnect with electrical alignment indicator In the manufacture of flat-panel video displays, an assembler must align long rows of closely-spaced electrical signal contacts on a planar electroluminescent panel with mating signal contacts on a flex circuit prior to clamping the panel and flex circuit... | 03/09/1993 |
| 5191581 | Method and apparatus for providing high performance interconnection between interface circuits coupled to information buses Methods and apparatus are provided for interconnecting first and second information buses each having a plurality of data lines. A pair of unidirectional information paths each consisting of twisted-pair cables are provided, along with a 25 MHz strobe. In... | 03/02/1993 |
| 5188324 | Self-retaining mounting block A mounting block is disclosed which may be inserted and retained in a standard double-D aperture of a panel. The mounting block has a body which conforms in size and shape to the aperture and two ledges which provide ledge retaining surfaces. The mounting... | 02/23/1993 |
| 5187446 | Feedback isolation amplifier An isolation amplifier employs feedback to accurately amplify an input signal while maintaining electrical isolation between the input and output signals. The isolation amplifier consists of an amplitude modulator, an isolation transformer having a pair o... | 02/16/1993 |
| 5185852 | Antialiasing apparatus and method for computer printers Printer apparatus provides a grayscale bitmap from a bitonal bitmap of desired output data. The apparatus includes a mapping function implemented as a lookup table for assigning predetermined grayscale values to bitonal bitmap pixels according to the neig... | 02/09/1993 |
| 5185561 | Torque motor as a tactile feedback device in a computer system A hand held, one dimensional, torque feedback device is used to feel and manipulate computer generated visual information and associated torque forces. In the preferred embodiment, molecular bond data is manipulated in a virtual reality system. The device... | 02/09/1993 |
| 5178476 | Apparatus for recording and/or reading information A carriage is displaceable parallel to a record carrier and supports a head displaceable in a direction essentially perpendicular to the record carrier. In order to obtain a mounting free of play while maintaining parallelism of the head during its moveme... | 01/12/1993 |
| 5177555 | Method and apparatus for testing electrical connectors A method and apparatus for optically determining the distribution of normal force present at the mating surfaces of an electrical surface connector uses the birefringent properties of a photoelastic material. Photoelastic members are distributed between t... | 01/05/1993 |
| 5175814 | Direct manipulation interface for Boolean information retrieval A method and apparatus that translates a natural language query into a Boolean expression to be used to search a database. The Boolean expression is displayed on a screen so that the user can alter the Boolean expression using a mouse or similar input dev... | 12/29/1992 |
| 5170403 | Modulation circuit for grayscale laser printing A laser diode modulation circuit for grayscale laser printing provides variable control for both the current through the laser diode and the modulation (switching) of the diode in time. The size of a printed area within a pixel region is determined in two... | 12/08/1992 |
| 5156371 | Triaxially-equalized action shock mount A triaxially-equalized action shock and vibration-insulation mount is provided for the protection of a dynamic load-sensitive component, such as a mass-storage device, from external multidirectional dynamic loads above a predetermined magnitude. A substan... | 10/20/1992 |
| 5153794 | Assembly and method for securing head suspensions on actuator arms An assembly and method for securing head suspension members on shelf segments of metallic or ceramic actuator arms in a disk drive. The assembly comprises an actuator arm with a reduced thickness shelf segment, at least one head suspension member, a staki... | 10/06/1992 |
| 5149210 | Apparatus for recording and/or reading information A recording and/or reading head has a recording and/or read nose and is movably mounted. The head is preloaded against a record carrier with first and second preload values. A sensor device senses and maintains the distance between the record carrier and ... | 09/22/1992 |
| 5133667 | Flexible circuit connector An electrical connector serves to connect first and second opposed flex circuits. A female member supports a second of the flex circuits formed with a plurality of raised contact features. A male member supports a first of the flex circuits formed with a ... | 07/28/1992 |
