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In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 5125098 | Finite state-machine employing a content-addressable memory A finite-state machine (30), which receives its input on INPUT lines (32) and generates its output on OUTPUT lines (34), is implemented with a content-addressable memory (46), whose output is the address of the location containing the data word presented ... | 06/23/1992 |
| 5085602 | Electrical circuit board mounting apparatus and method A circuit board is aligned with the housing so that a mounting pin may be inserted through a circuit board mounting hole and into a housing mounting bore. The pin is heated when inserted into the bore so that solder at the bottom tip is in a melted state.... | 02/04/1992 |
| 5079735 | High-dynamic-range compressive receiver A compressive receiver (10) includes a modulation circuit (14) that modulates the receiver input signal with compensation values equal to the ratio of the transfer function of an ideal linear dispersive delay line to that of the main compressive-receiver ... | 01/07/1992 |
| 5072372 | Indirect literal expansion for computer instruction sets A digital data processor executes fixed-length instructions containing either a direct literal or part of an address specifying an indirect literal stored in memory. The balance of the address of the indirect literal preferably is provided by the value of... | 12/10/1991 |
| 5053991 | Content-addressable memory with soft-match capability Each word location (18-0, 18-1, 18-255) in a content-addressable memory has a tally circuit (24-0, 24-1, 24-255) associated with it. A data word on data lines (12) is compared simultaneously with the words in all of the word locations, and the tally circu... | 10/01/1991 |
| 5029235 | Compressive receiver An electromagnetic dispersive delay line (10) includes a dielectric strip (28) as well as a coupler (24, 34, 36, and 38) for launching surface electromagnetic waves into the dielectric strip. The upper surface of the dielectric strip (28) is left exposed ... | 07/02/1991 |
| 5024623 | Electrical circuit board mounting method A circuit board is aligned with the housing so that a mounting pin may be inserted through a circuit board mounting hole into a housing mounting bore. The pin is heated when inserted into the bore so that solder at the bottom tip is in a melted state. Aft... | 06/18/1991 |
| 5014997 | Brake-control system for accelerating freely falling objects to a moving craft's speed In a moving craft connected by a towline to an ejected and freely falling object, a brake control system determines when to engage a brake that accelerates the object to the moving craft's speed by retarding the deployment of the towline without exceeding... | 05/14/1991 |
| 4992335 | Composite material and method of making same A protective material comprising a layer of vinylidene chloride or saran or polymer or copolymer of vinylidene chloride between two layers of polyethylene or other polyolefin to provide protection against both permeation and breakthrough. A cloth backing ... | 02/12/1991 |
| 4980584 | Multi-stage wideband successive detection logarithmic amplifier A successive detection logarithmic amplifier consists of multiple stages, with each stage containing a field-effect transistor (FET) which functions as both an amplifier and a detector. The FET, having an external gate biasing terminal, is biased to opera... | 12/25/1990 |
| 4975543 | Energy-absorbing towline with embedded electrical conductors and drogue deployment system including same An energy-absorbing towline (14) comprises an elastomeric core (16) having a set of internal polymeric strands (18) helically wound around the outer surface (20) of the core in a first direction and a set of external polymeric strands (22) helically wound... | 12/04/1990 |
| 4961806 | Method of making a printed circuit Method for protecting intermediate layers of a multi-layer printed circuit board from chemical or other damage from processing of a layer or layers to which previously fabricated layers of the printed circuit board are attached prior to such additional pr... | 10/09/1990 |
| 4941202 | Multiple segment flextensional transducer shell This invention is a multiple segment flextensional transducer shell that is easily and quickly manufactured and modified. The shell may comprise two adjustable, flexible plates and two buttress bars or two J-shaped adjustable, flexible plates. When the bu... | 07/10/1990 |
| 4935308 | Composite material and method of making same A protective material comprising a layer of vinylidene chloride or saran or copolymer of vinylidene chloride between two layers of polyethylene to provide protection against both permeation and breakthrough. A cloth backing or inner layer can be added to ... | 06/19/1990 |
| 4906957 | Electrical circuit interconnect system An electrical circuit interconnect system employs an electrically conductive enclosure (57) and cover (64) which completely encompasses, hermetically seals (54) and electrically isolates from the outside environment a component (18) mounted on first surfa... | 03/06/1990 |
| 4900955 | Voltage sharing circuit A voltage sharing circuit which allows use of low voltage semiconductor devices to obtain higher output voltages is made up of a series stack of the low voltage devices with diode limiters provided to bias the low voltage devices such that the maximum vol... | 02/13/1990 |
| 4879567 | Carriage coupling device system for pen plotter A low-friction, low-play bearing system for use in a carriage coupling drive system for a pen plotter including a moving carriage slidably mounted on a shaft between the ends of and carrying a U-shaped pen-carrying yoke in combination therewith for slidin... | 11/07/1989 |
| 4872023 | Plotter platen mapping system A method and apparatus for providing platen mapping for known clearance pen movement in a graphics plotter system having a platen over which paper is moved longitudinally to create one axis, penholding apparatus moved transversely across the platen and th... | 10/03/1989 |
| 4870420 | Signal acquisition apparatus and method A novel radio receiver capable of simultaneously and instantaneously determining the frequency and azimuthal and elevational position of many radio signal sources is disclosed. The invention makes use of an antenna array and associated beamforming network... | 09/26/1989 |
| 4866663 | Simulation system An interactive simulation system in which a complex system is simulated by means of a plurality of function modules, each defining a predetermined mathematical operation, are enabled to be processed by an executive program in an order defined by an operat... | 09/12/1989 |
| 4861124 | Dual-section spatial modulation transmitter A dual-section spatial modulator transmitter consists of a collector surrounding a source of radiation to collect the energy from the source and form it into multiple beams. The collector is configured in two sections, a rotatable section and a stationary... | 08/29/1989 |
| 4849771 | Plotter pen presence and type identification system An improvement to graphics pen plotters including a pen gripping mechanism for gripping a cylindrical bodied pen in a generally vertical orientation for sensing the presence and type of a pen in the gripping mechanism with a single sensor. There is a mult... | 07/18/1989 |
| 4843707 | Cable retention system A method and apparatus for routing, holding, and hiding cables associated with electronics devices. The preferred embodiment is an extrusion for application to a surface of an electronics device or incorporation into the framework thereof defining a groov... | 07/04/1989 |
| 4828407 | Circuit for improving the resolution in electrostatic printers A plurality of switched voltage sources (10, 10', 10") apply charge to a sheet of paper (16) by way of respective sets of styli (12, 12', 12"). To print a dot when toner is subsequently applied to the paper, the voltage source (10) deposits charge on the ... | 05/09/1989 |
| 4820886 | Low-cost, high-accuracy digitizer signal acquisition apparatus and method An improvement to position digitizing devices wherein sensed response voltages caused by the interaction of a movable instrument relative to conductors beneath a planar surface are converted to digital form and digitally processed to determine instrument ... | 04/11/1989 |
| 4816694 | Radiation system A radiation system consists of a compound collection/beamforming system, surrounding a source of radiation, including an elevation collector/beamformer shaped as a compound parabolic concentrator and an azimuth collector/beamformer shaped so that tangenti... | 03/28/1989 |
| 4808950 | Electromagnetic dispersive delay line An electromagnetic dispersive delay line (10) includes a dielectric strip (28) as well as a coupler (24, 34, 36, and 38) for launching surface electromagnetic waves into the dielectric strip. The upper surface of the dielectric strip (28) is left exposed ... | 02/28/1989 |
| 4794396 | Antenna coupler verification device and method A device for repeatably and accurately testing an antenna coupler of the type used to connect a test antenna adjacent an onboard antenna of an aircraft to inject a test signal into the aircraft's onboard radar system to test its continuity. A base member ... | 12/27/1988 |
| 4792809 | Microstrip tee-fed slot antenna A microstrip tee-fed slot antenna is made up of only a single printed circuit board having the tee feed and slot on the front side and a microstrip transmission line feed on the back side. A plurality of holes in the board surrounding the slot are electri... | 12/20/1988 |
| 4791573 | State-deviation-estimation circuit employing a phase-locked-loop phase reference A system (34) for determining deviations in the state of motion of a projectile (10) from its intended state includes a comparison module (38) that receives the outputs S of a sensor array (36). The comparison module (38) converts the sensor outputs to a ... | 12/13/1988 |
| 4779104 | Pen plotter pen type identification system A pen type sensor for use in a graphics pen plotter wherein plotter pens are moved along a pre-established path between a pen holding area and a plotting area for reading a plurality of vertically oriented reflective indicia positions thereon to create a ... | 10/18/1988 |
| 4777727 | Plotter pen up/down control system Apparatus for accurately raising and lowering the pen and for generating a positional signal for control use in a graphics plotter having a penholding mechanism slidably and rotationally mounted on a beam for longitudinal positional movement along the bea... | 10/18/1988 |
| 4776097 | Dual mode acceleration control for a plotter In a graphics plotter having motor control logic for controlling a motor employed in the process of drawing a series of vector lines comprising a plot, an improvement to the logic for applying optimum control of the motor. The length of each next vector t... | 10/11/1988 |
| 4768004 | Electrical circuit interconnect system An assembly for mounting components to a microwave circuit, using plated through bore holes that extend from the ground plane of the circuit through the insulating substrate to the surface on which the components are mounted. The components have a conduct... | 08/30/1988 |
| 4766439 | Direction finding system An adcock DF-on-the-fly type direction finding system employing a beam forming dispersive delay line (BFDDL). A square array of four elements A1, B1, C1, and D1 with A1, C1 and B1, D1 being the diagonal pairs is used to input signals to combiner, shifter ... | 08/23/1988 |
| 4766448 | Electrostatic printhead method and apparatus Methods and apparatus for forming an electrostatic printhead. The basic printhead member if formed by casting an insulating material around a plurality of side-by-side spaced wires. One side of the insulating material and the wires are cut off to form a p... | 08/23/1988 |
| 4743887 | Fault locating system and method A test system for microwave circuits such as employed in aircraft wherein a plurality of antennas are connected to a single processor whereby the continuity of the antennas and connectors between the antennas and the processor can be determined. A test si... | 05/10/1988 |
| 4736073 | Noise-canceling system for a digitizing tablet A digitizing tablet (10) has common return lines (24, 25, 26, and 27) that tend to suppress sensing of the spurious signals induced in them when the digitizer probe (12) approaches the edge of a digitizing area (14). Each return line includes a connection... | 04/05/1988 |
| 4733237 | FM/chirp detector/analyzer and method A device for determining the frequency range and chirp rate of chirp radars or other sources of frequency-modulated signals includes a compressive receiver (16, 22, 24) for time-compressing single-frequency signals and a discriminator (26) for generating ... | 03/22/1988 |
| 4731622 | Multiple information array registration apparatus and method A multicolor electrostatic plotter is disclosed and includes an image head for imparting a charge pattern to a web medium to be imprinted and a plurality of toner means associated with different colors in which different colors are successively applied to... | 03/15/1988 |
