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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7225740 | Electromagnetic pulse transmitting system and method A plasma antenna generator includes an ionizable material, an explosive charge capable of projecting the ionizable material upon detonation, and a detonator coupled with the explosive charge. An electromagnetic pulse transmitting system includes an electromagnetic p... | 06/05/2007 |
| 7197981 | Projectile A projectile, having a casing, a projectile base, which closes off the casing at the rear, a receiver coil for receiving electromagnetic signals, an energy source, brought into contact with the receiver coil, and a logic module. The casing is made of a plastic mater... | 04/03/2007 |
| 7089865 | Bullet The present invention relates to a hollow bullet for a light weapon which comprises within said hollow: (a) At least one proximity sensor at the front portion of the bullet for sensing an object, and for providing a sensing indication of a proximity object to a cont... | 08/15/2006 |
| 6253679 | Magneto-inductive on-command fuze and firing device A fuze is enabled, armed, and fired while indicating its status to remote command/receiver stations so that interconnected line charges and other ordnance items can be detonated with increased safety and reliability from a safe man-weapon separation dista... | 07/03/2001 |
| 5886283 | Desensitized firing circuit A desensitized firing circuit has a pair of diodes, a resistor, and a sevble wire loop used in combination with an existing firing circuit. With the severable wire loop intact, current flow through the resistor is shunted to ground, and the circuit opera... | 03/23/1999 |
| 5497704 | Multifunctional magnetic fuze A multifunctional magnetic fuze is disclosed. The sensor includes an apparatus and method for counting each rotation of a projectile after firing from a weapon. A signal is generated which indicates the rotations of the projectile and a counter counts the... | 03/12/1996 |
| 5450805 | Warhead influence An active electromagnetic influence firing system has transmitter coils and eceiver coils mounted on a single warhead section. One set of receiver coils has vertical look capability for detecting surface ships and another set has 360° look capability for ... | 09/19/1995 |
| 5423262 | Magnetic proximity fuse A magnetic proximity fuse for initiating a charge of a moving charge carrier. The proximity fuse includes at least one sensor for sensing a terrestrial magnetic field and producing a signal. At least one sensor senses movement of the charge carrier and pr... | 06/13/1995 |
| 4825766 | Fuzing arrangements A submunition has a metallic body 1 a sensor 4 for sensing the presence of metal and an extendable probe (e.g. a spring 3) separating the sensor 4 and body 1 to avoid interference with the sensor. A circuit including the metal sensor and an impact sensor ... | 05/02/1989 |
| 4614546 | Sizes based on ketene dimers New aqueous sizes, in particular paper sizes, are made available which contain (a) ketene dimers of the formula ##STR1## in which R1 and R2 can be identical or different and represent hydrocarbon radicals having 6 to 30 carbon ... | 09/30/1986 |
| 4583461 | Method for attacking of target objects with small bombs and a small bomb-carrier for implementing the method A method for the attacking of target objects through the intermediary of small bombs which are ejected from a carrier or canister in the longitudinal axial direction of the latter. The small bomb-carrier or canister includes a controllably ignitable eject... | 04/22/1986 |
| 4580497 | Munition In combination: an air core coil; a passive detector connected to said coil for giving a first output in response to change in the ambient magnetic field due to movement of a magnetic body near the coil; an active detector connected to the same coil and o... | 04/08/1986 |
| 4422075 | Proximity monitor A proximity monitor for movement at a selected distance from a surface, including a first microwave sensor having an antenna pattern directed toward the surface, the principal component of the pattern parallel to the surface being in the direction of the ... | 12/20/1983 |
| 4417518 | Detonating arrangement for missiles A detonating arrangement for missiles in which, as a result of a change of the magnetic field of a permanent magnet at an approach to a ferromagnetic object, a voltage will be induced in an induction element, which is transmissible to the control input of... | 11/29/1983 |
| 4308501 | Digital peak sensor A digital circuit for sensing peaks exceeding a predetermined threshold in nalog signals employs clock and control oscillators arranged such that their frequencies vary in opposite senses in response to changes in the sensed signal. The clock oscillator fr... | 12/29/1981 |
| 4220093 | Electromagnetic proximity fuze An electromagnetic proximity fuze is utilized to initiate the detonation of a charge in a projectile when the projectile approaches within a particular triggering distance of an electrically conducting target object. A transmitter is disposed in the nose ... | 09/02/1980 |
| 4190000 | Mine proximity fuse 1. A proximity fuze for a stationary mine comprising: (a) a power supply; (b) a vibration sensitive switch having a stationary contact and a vibrat contact, one of said contacts being connected to said power supply; (c) an LC ringing circuit connected to the ... | 02/26/1980 |
| 4185556 | Mine firing system 1. In a submarine mine, a normally open mine firing circuit, a timing dev operable in unit cycles and having means for closing said firing circuit partially during a cycle of operations thereof, and pressure and magnetic responsive means each of which is... | 01/29/1980 |
| 4185552 | Mine firing control system 1. In a mine firing control system of the character disclosed, the combination of a mine firing control circuit including a plurality of electron discharge devices each of which is adapted to be rendered conducting when the bias voltage thereon is elevate... | 01/29/1980 |
| 4164905 | Lumped neutralization coil arrangement for inductance fuze An inductance fuze for armor defeating shells and missiles that utilizes ped neutralization, i.e., cancellation of an AC voltage, induced by a primary coil in a sensing coil under free-space conditions, by an equal and opposite voltage. The lumped neutra... | 08/21/1979 |
| 4068164 | Harmoic flux gate magnetometers and gradimeters and windings An improved ring core second harmonic flux gate magnetometer is constructed as a module for use as a ferrous metal detector. Pairs of modules may also be used as gradiometers. Various uses and winding arrangements on the ring cores are disclosed.... | 01/10/1978 |
| 3976012 | Arrangement for automatic switching in electric fuses for projectiles An automatic switching arrangement in electric fuses for projectiles which can be set on at least three different operational functions, for example proximity fuse function and inpact fuse function with two different sensitivities. The electric fuse compr... | 08/24/1976 |
