A kissing shield comprised of a thin, flexible membrane and a frame or holder.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4449286 | Method for producing a semiconductor layer solar cell A method for producing a semiconductor solar cell in which a layer of semiconductor material is applied to a substrate by means of plasma spraying. The energy density in the plasma zone is maintained sufficiently high that the semiconductor vaporizes and ... | 05/22/1984 |
| 4441115 | Thyristor having a center pn junction formed by plastic deformation of the crystal lattice A thyristor comprises two semiconductor plates, discs or chips, one n-doped and one p-doped, each having a structure of parallel ridges on one major surface and an opposite conducting type layer on the other major surface, two plates, discs or chips being... | 04/03/1984 |
| 4434989 | Sealing gasket A flat sealing gasket, such as a cylinder head gasket, for an internal combustion engine, has at least one opening, a cross-sectionally generally U-shaped armor framing the opening. The armor has legs straddling marginal edge zones of the gasket defining ... | 03/06/1984 |
| 4432794 | Hard alloy comprising one or more hard phases and a binary or multicomponent binder metal alloy A hard alloy including at least one hard phase and a binary or multicomponent binder metal alloy, in which the hard substance comprises a finely dispersed, homogeneous distribution in the binder metal. The hard phase comprises a carbide of a Group IVb, Vb... | 02/21/1984 |
| 4418740 | Centrifugal caster A centrifugal caster comprising a motor driven centrifuge arm connected to a weight arm, both of which are rotatable about a vertical axis. A casting chamber is connected to the centrifuge arm and has a melting crucible disposed therein, and a counterweig... | 12/06/1983 |
| 4417654 | Tensioning device for a vertical conveyor A vertical conveyor comprises a driving drum; a tensioning drum spaced vertically from the driving drum and supported shiftably for varying its distance from the driving drum; a vertically oriented endless carrier trained about the driving drum and the te... | 11/29/1983 |
| 4417358 | Amplitude modulated transmitter for single sideband operation In a transmitter of amplitude modulated single sideband signals, which transmitter includes an output stage connected to receive, and effect substantially linear amplification of, a single sideband input signal, the output stage having a nonlinear gain ch... | 11/22/1983 |
| 4415882 | Analog to digital converter The analog output from a local DAC comprising an LDAC and an MDAC, in which the full scale of the LDAC is always larger than the quantized level of the MDAC, is compared with an input analog signal which is sampled and held. A digital code obtained by suc... | 11/15/1983 |
| 4414686 | Compensation of nonlinearities of transmission members in a radio relay system A method for compensating nonlinearities of a transmission member in a radio relay transmission system by means of a linear converter having a linear gain characteristic and a harmonic generator converter having a nonlinear characteristic, in which an int... | 11/08/1983 |
| 4414549 | Method and apparatus for sensing a target A device is provided for use in a proximity-type fuze which includes a rectangular wave generator, the output of which is differentiated to provide pulses for exciting an antenna, which pulses are at the same time used to bias one or more diodes to conduc... | 11/08/1983 |
| 4414487 | Superconducting electron beam generator A superconducting electron beam generator comprising a cavity resonator situated in a refrigerator and containing a superconductive metal member fixed on the cavity end plate, a tip of which member is disposed at the strongest point of a high frequency el... | 11/08/1983 |
| 4414437 | Moving coil dynamic transducer In an electromagnetic transducer including a member producing a magnetic field and presenting an air gap traversed by the field, a mass of magnetic liquid extending across the air gap, and a moving coil mounted on a moving coil carrier supported for movem... | 11/08/1983 |
| 4414075 | Apparatus for and a method of selective plating of components including strip components An apparatus for use in selective plating a component, which apparatus comprises an electroplating zone, a series of movable selective plating heads in an endless chain configuration, wherein each plating head comprises an electrolyte opening, means for i... | 11/08/1983 |
| 4414015 | Process and apparatus for forming a metal or metal compound coating In order to control the thickness of a metal or metal compound coating which is formed on a face of a freshly formed ribbon of hot glass during its travel from a flat glass forming installation by contacting such face at a coating station with a fluid med... | 11/08/1983 |
| 4413216 | Static frequency changer for feeding synchronous machines A static frequency changer for feeding a synchronous machine and composed of a mains side static converter, a machine side static converter and a direct current intermediate circuit connected between the converters, is further provided with an additional ... | 11/01/1983 |
| 4413027 | Protective and decorative molding A molding has an elongated plastic molding body in which there is provided a longitudinally extending channel-like recess having side walls and an open top. The molding body has lips bounding at least opposite longitudinal edges of the recess at the top f... | 11/01/1983 |
| 4412352 | Frequency conversion circuit A circuit arrangement for converting high frequencies to intermediate frequencies by mixing with a heterodyne frequency, wherein the high frequency signal input is connected to the signal output of the circuit arrangement via the primary winding of a pola... | 10/25/1983 |
| 4412219 | Secondary radar responders The invention relates to secondary radar responders which provide a reply in response to a radar signal received from a primary radar transmitter. The frequency of the received radar signal is monitored by the responder and the frequency of the response i... | 10/25/1983 |
| 4412208 | Digital to analog converter A digital to analog converter comprising a first digital to analog converter for generating an output signal of higher order bits; a second digital to analog converter for generating a full scale output as an output signal of lower order bits which is alw... | 10/25/1983 |
| 4412185 | Feedforward amplifiers A feedforward amplifier is designed to exhibit particularly linear transfer characteristics in which distortion signals introduced by the amplifier itself are monitored and the phase and amplitude characteristics of respective adaptive equalizers are modi... | 10/25/1983 |
| 4412122 | Method for welding bodies made of very hard or greatly refined armored steel, respectively, and structures made according to this method A method for welding bodies made of very hard or highly refined armor steel, particularly objects to be armored against the penetration of projectiles, flying bodies, splinters or the like, wherein armor steel bodies arranged in juxtaposition with a gap t... | 10/25/1983 |
| 4411333 | Motor cycle fairing A motor cycle including a frame and a fairing mounted on the frame, the fairing comprising a molded shell formed to provide a bridge portion having two depending side portions which define with the bridge portion a cavity of generally inverted U-shape in ... | 10/25/1983 |
| 4411186 | Stringed musical instrument having soundboard A stringed musical instrument, e.g. a bow instrument or an electric guitar, is disclosed comprising a substantially rigid body and a plurality of strings attached at one end to a tailpiece. A flexible soundboard of acoustic material bears through one edge... | 10/25/1983 |
| 4410997 | Furnaces for the melting of glass A furnace for the melting of glass in which horizontally spaced regions of the molten glass body are heated by passage of alternating electric current between diagonally opposed electrodes of two groups and supplied from a primary power supply circuit, an... | 10/18/1983 |
| 4410915 | Apparatus for protecting an image pickup tube in a television camera In a television camera having an image pickup tube and an iris for controlling an amount of incident light upon the pickup tube both in an automatic control mode and in a manual control mode by selectively actualing a mode selection switch, an additional ... | 10/18/1983 |
| 4410795 | Heating apparatus with programmable timer A heating apparatus, or more particularly a heating-time displaying means which is applicable for a heating apparatus with a programmable timer which is capable of controlling the sequence heating. The heating apparatus comprises heating sources such as m... | 10/18/1983 |
| 4408566 | Boilers A boiler comprising a furnace box, having a peripheral wall, from which products of combustion pass to a smoke box wherein the furnace box comprises a lower compartment, means to establish a fluidized bed in the lower compartment, an upper compartment, an... | 10/11/1983 |
| 4408351 | Directly mixing receiving system In a broadcast signal receiving system, which includes a phase control loop composed of a first mixer having two inputs and an output and arranged to provide at its output a signal proportional to the product of the signals applied to its two inputs, one ... | 10/04/1983 |
| 4408302 | Word processor with display device In a word processing machine which operates to provide text in the form of successive lines of characters, and includes an input keyboard for the input of character representations, a data memory connected for storing such representations, a display devic... | 10/04/1983 |
| 4407465 | Method for guiding missiles In a method for guiding a missile by illuminating the target by means of a laser and tracking the target with a sensor system carried by the missile, the step of illuminating is carried out to illuminate the target by means of the laser for a short period... | 10/04/1983 |
| 4407370 | Separator device A harvesting device for separating round root crops, such as potatoes, from soil and other unwanted material. The crop and the soil in which it is growing is uplifted into the harvesting device by the forward movement of the device. The uplifted material ... | 10/04/1983 |
| 4407166 | Longitudinally and angularly adjustable steering column A longitudinally and angularly adjustable vehicle steering column has two telescopically coupled steering column parts. One part is secured to a vehicle frame for swinging motion about a horizontal axis while the other part carries the steering wheel. The... | 10/04/1983 |
| 4406988 | Circuit for processing a digital signal In a circuit for processing a useful signal which varies in amplitude between positive and negative values about a zero value and contains information in the locations of its zero passages, which circuit includes: a zero passage detector having an input; ... | 09/27/1983 |
| 4406978 | Horizontal deflection output transformer for a television receiver In a horizontal deflection circuit output transformer for a television receiver, which transformer includes a primary coil, a secondary coil inductively coupled to the primary coil, and a rectifier connected to the secondary coil and cooperating therewith... | 09/27/1983 |
| 4406945 | Heating apparatus with numerical display A heating apparatus for microwave ovens, electric ovens, gas ovens and ovens of the hybrid type, includes a digital control unit and a numerical display unit. The heating apparatus further includes numerical value input means (an impulse generator) includ... | 09/27/1983 |
| 4406852 | Method for forming a connecting sleeve having an internal groove at the end section of a tube of thermoplastic material A method for forming a connecting sleeve having an internal groove at the end section of a tube made of crystalline or partially crystalline thermoplastic material in which the end section is heated to the deformation temperature and then is axially upset... | 09/27/1983 |
| 4406684 | Core torch for fabricating single-mode optical fiber preforms A core torch for fabricating a single-mode optical fiber preform wherein fine glass particles are produced eccentrically with respect to the center area of a flame stream, the core torch being so arranged as to blow the flame stream at an angle inclined t... | 09/27/1983 |
| 4406195 | Quick-release tool assembly A tool assembly has a tool head insertable on a basic tool holder. The basic tool holder has a longitudinally displaceable locking bar and a plurality of slidable locking pins actuated by the locking bar. In a first position of the locking bar the locking... | 09/27/1983 |
| 4406156 | Method and device for the inspection of ventilated cigarettes For the electropneumatic inspection of the longitudinal and/or transversal permeability of the ventilated cigarettes, each cigarette is subjected in any order of succession to at least three of the four inspections consisting in applying a pneumatic press... | 09/27/1983 |
| 4406035 | Hinge assembly strip A longitudinally extending hinge assembly strip of indeterminate length is formed of a series of hinges connected to one another. Each hinge includes first and second hinge plates pivotally coupled along adjoining longitudinal edges by a hinge joint which... | 09/27/1983 |