"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 4511958 | Common bus access system using plural configuration tables for failure tolerant token passing among processors A data exchange system includes a plurality of data processing partners which communicate with each other via a common bus. Access to communication is sequentially transferred from one partner to another by the generation of an access-passing-on message w... | 04/16/1985 |
| 4410145 | Stone crusher Rocks are known to contain minute cracks and fissures and such rocks can be crushed under less force than the ordinary crushing force when a vibrational force is applied to exert tension at the cracks and fissures. Rock crushers of the type which include ... | 10/18/1983 |
| 4372127 | Apparatus for heat transformation A heat transformation device which is compact and effective for recovering waste heat from one or more sources which sources may have different temperatures, comprises a closed cylinder containing a working piston made of heat conducting material and at l... | 02/08/1983 |
| 4370864 | Method and apparatus for cooling heated gases or liquids A method and apparatus for cooling a fluid coolant is disclosed. Cooling water, not under pressure, is circulated in a container. The coolant is passed under pressure through cooling pipes immersed in the cooling water.... | 02/01/1983 |
| 4369336 | Method and apparatus for producing two complementary pitch signals without glitch Chorus effect for an original audio signal is developed by forming a complementary pair of signals from the original. The original signal is stored at a write rate (fc), then, after a delay, strobed to a pair of FIFO registers, one strobe at a ... | 01/18/1983 |
| 4369409 | Low-frequency power amplifier A compact and inexpensive LF power amplifier is disclosed. A plurality of pulse trains which are phase shifted relative to each other are width-modulated by an input LF signal. The modulated pulse trains are individually amplified, preferably by means of ... | 01/18/1983 |
| 4367418 | Combining thyristor circuits of various circuit configurations Thyristors included in circuit configurations are, in turn, connected in series circuit fashion such that n circuit configurations are so interconnected, where n is a real integer equal to or greater than 2. The circuit configurations provide a combinatio... | 01/04/1983 |
| 4349713 | Combined cooking and serving microwave apparatus This invention relates to a tabletop-microwave oven combination wherein the microwave oven is provided with a cabinet having an opening at the top in which a horizontally sliding door is mounted. The tabletop also includes an opening in the control portio... | 09/14/1982 |
| 4330275 | Articulator for models of dental arches The articulator is the type which has an upper part with a horizontal branch and a lower part with a horizontal branch below and substantially parallel to the upper branch. The upper part has a pair of spaced wings connected to the rear of the upper branc... | 05/18/1982 |
| 4318064 | Resonator for high frequency electromagnetic oscillations A resonator for a high frequency electromagnetic oscillator is disclosed. The resonator includes a hollow cylinder formed of a material having a low dielectric constant and a dielectric wire formed of a material having a higher dielectric constant and loc... | 03/02/1982 |
| 4313483 | Apparatus for regulating the air pressure in tires of cross-country vehicles In cross-country vehicles where it is desirable to change the pressure in the pneumatic tires of the vehicle to fit the terrain, means are provided for changing the pressure on the tires without leaving the seat of the vehicle. The means provided in this ... | 02/02/1982 |
| 4283449 | Composite material with a core and an adhering coating united thereto A composite material is formed with a porous core obtained by randomly folding or crumpling metal foils or filaments and has a coating adapted to strengthen the final product, of an adhering synthetic resinous material. Preferably, the core material is ma... | 08/11/1981 |
| 4281417 | Inflatable waterproof bathing cap A bathing cap of the type having an inflatable edge portion so that the edges may be more closely sealed to the head of the wearer when the edge portion is inflated and a tubular chin strap through which the edge portion can be inflated by blowing through... | 08/04/1981 |
| 4282606 | Broadcast delay line The disclosure relates to a digital delay line especially suitable for broadcasting live audio programs. The memory of the digital delay line is of sufficient extent to produce a delay of about 6 seconds or more. The device is provided with a Dump button ... | 08/04/1981 |
| 4262656 | Solar climate control for greenhouses A solar heat storage system is provided for greenhouses by providing the greenhouse with a gravel storage bed at the floor level, through which heated air from an air duct at the upper ridge of the greenhouse is circulated to take advantage of and store h... | 04/21/1981 |
| 4257032 | Circuit and process for automatically addressing a plurality of mobile substations from a central station A method is described for the automatic addressing of several mobile substations arranged in series from a central station. A two-wire line transmits information in two frequency channels, this line remaining open for direct current. Means are provided fo... | 03/17/1981 |
| 4257122 | Apparatus for improving the efficiency of the modulation stage of a transmitter The efficiency of the transmitter modulator stage of the type in which an anode current Ia of the modulator tube varies as a function of the grid voltage Ug in accordance with the expression Ia =k.multidot.Ug | 03/17/1981 |
| 4232235 | Combining thyristor circuits of various circuit configurations Thyristors included in circuit configurations are, in turn, connected in series circuit fashion such that n circuit configurations are so interconnected, where n is a real integer equal to or greater than 2. The circuit configurations provide a combinatio... | 11/04/1980 |
| 4166272 | Process for data transfer with increased security against construction member error A process for exerting control over a remote facility by transmission of control data protected against error due to component breakdown and/or failure as a result of said process, which comprises; creating a message having a plurality of bits in which th... | 08/28/1979 |
| 4151622 | Groove cutting machine To eliminate the noisy milling machines for cutting grooves in articulation pieces of innersoles, a machine is provided which comprises a series of pairs of forwarding rollers, one of the rollers of the first few pairs of rollers has a double knife formed... | 05/01/1979 |
| 4140429 | Corrosion protected tensioning member for a prestressable anchor in solid rock A profiled tensioning rod or combination of rods is provided at the end which is to be inserted into the bore hole of a rock, with a corrosion protective tube formed in three parts, an anchoring part adapted to extend over the greater portion of the ancho... | 02/20/1979 |
| 4137686 | Steel rods with hot rolled ribs formed in a partial spiral Steel rods are formed, by hot rolling, with at least three (preferably four) series of ribs extending along the length thereof. The ribs are all formed to extend along a spiral line along the surface of the rods and are so constructed that any cross-cut t... | 02/06/1979 |
| 4125580 | Process for the manufacture of pretensioned carriageway slabs A method of forming a carriageway slab comprising two or more sections with expansion joints between the sections and stressed longitudinal tensioning members extending all the way through the sections is provided. In such structures, the space between se... | 11/14/1978 |
| 4120828 | Pressure sensitive resistance and process of making same A pressure sensitive resistance material and process for making the same is described which is of the type comprising an elastomeric matrix with conducting metal particles dispersed therein. Improved performance and improved ranges of conductivity between... | 10/17/1978 |
| 4112476 | Ground fault protection system A detection circuit for remote release apparatus is disclosed which monitors a circuit carrying high-voltage between two connection points A and B and disconnects the circuit from the rest of a high-voltage network by automatically opening two power switc... | 09/05/1978 |
| 4112293 | Optical fiber data transmission system A TT coupler for use in fiber optics data transmission systems wherein the incoming light to the coupler passes to both the receiver of the subscriber station and through the coupler lead toward the next subscriber station in succession in a ratio control... | 09/05/1978 |
| 4078201 | Oscillator circuit for generating a signal whose frequency is representative of the phase shift of a four terminal network The invention concerns a measuring instrument for measuring phase shifts in four terminal electrical networks, where the network whose phase shift is to be measured is connected into the feedback circuit of an R-C phase shifter oscillator, and where the g... | 03/07/1978 |
| 4054540 | Pressure sensitive resistance and process of making same A pressure sensitive resistance material and process for making the same is described which is of the type comprising an elastomeric matrix with conducting metal particles dispersed therein. Improved performance and improved ranges of conductivity between... | 10/18/1977 |
| 4048875 | Apparatus for screwing a threaded nut onto a steel rod The tool or device of the invention operates on an anchoring rod of the type which has spiral threads which threads only extend around a portion of the circumference thereof. Such an anchoring rod, when used to secure ceilings in mines, for example, has t... | 09/20/1977 |
| 4035745 | Circuit for the production of an open alternating magnetic field In an induction energy transfer device comprising a static power conversion circuit for producing an alternating magnetic field of ultrasonic frequency of the type wherein the static power conversion circuit includes a parallel resonant circuit which comp... | 07/12/1977 |
| 4027153 | Fibre network having a passive optical coupling element for optoelectronic transmission of data between addressable subscriber stations A fibre network is disclosed for the optoelectronic transmission of data between and among a plurality of subscriber stations, each station having a transmitter and a receiver. A specific address code is allocated to each transmitter and its associated re... | 05/31/1977 |
| 4011646 | Apparatus for attaching flexible parts and/or innersoles with joint springs through riveting An apparatus which is suitable for automatic operation is provided for riveting bowed leaf-like springs to flexible bodies, e.g. for riveting shanks to innersoles. Two riveting devices are included in the apparatus for simultaneously riveting the two ends... | 03/15/1977 |
| 3985480 | Apparatus for the sectional cantilever construction of bridge girder systems There is disclosed apparatus for the sectional cantilever construction of bridge girder systems of reinforced or prestressed concrete having a superstructure comprising a closed box cross-section and superimposed laterally overhanging bridge decking, said... | 10/12/1976 |
| 3978674 | Device for the discharge of compression material in the production of the compression member of a pull and pressure anchor The disclosure relates to an anchoring device adapted to hold one end of a to-be-stressed linear member within the bore hole of an earth formation. The anchor device has a tubular body surrounding and retaining a section of the linear member and has a com... | 09/07/1976 |
| 3978288 | Method and apparatus for the secret transmission of speech signals Method and apparatus for enhancing the secret (confidential) transmission of voice (speech) type signals. The voice signals are encoded at a transmitter facility. Filling signals are inserted into breaks and interruptions normally encountered between word... | 08/31/1976 |
| 3977350 | Tank ship, especially liquified gas tank ship The tank ship is made of monolithic reinforced concrete and is formed with two symmetrical, longitudinal chambers for tanks, and an intermediate space for the operating mechanisms thereof. The massive reinforced concrete slabs which form the ship are rein... | 08/31/1976 |
| 3973226 | Filter for electromagnetic waves A plural circuit filter for electromagnetic waves, especially microwaves, of the type which comprises dielectric resonators, is provided wherein dielectric resonator disks or washers are positioned in a tubular metallic housing acting as a shield, the res... | 08/03/1976 |
| 3970790 | Method and device for the coded transmission of messages Method and apparatus are disclosed whereby messages are encoded by message element exchangers which utilize a delay device for transposing selected pairs of message elements so that the first element of the pair undergoes a delay 2T and the remaining mess... | 07/20/1976 |