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7194813 |
Gyrocompass
A gyrocompass has a gyrosphere which incorporates a rotor and floats in a liquid tank filled with an electrolyte, and a plurality of electrodes which are disposed in the gyrosphere and the liquid...
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7114263 |
Gyrocompass
A gyrocompass has a liquid tank containing a supporting liquid therein, a gyrosphere floating in the liquid tank by the supporting liquid and whose central portion is rotatably supported by a...
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6816064 |
Escape apparatus detecting an emergency situation and providing illumination
A survival device for use in an emergency situation includes a battery, a lamp, and a detection circuit for detecting an occurrence of the emergency situation and for switching the lamp to be...
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6453570 |
Electrically driven floating gyrocompass
A gyrocompass having a capsule, mounted to float in an air-tight fashion, for at least one electrically driven gyro. The capsule is produced from two mutually adapted shells which are sealed with...
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5771596 |
Container for liquids including a level control and a gyro compass
A first liquid container has therein a level control including a float valve, a storage tank or second container and a third container having therein a liquid which is maintained at a fixed liquid...
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5425281 |
Fluid pendulum arrangement for implementing fast erection of vertical gyroscopes
A fluid pendulum arrangement is used for implementing fast initial erection of vertical gyros by maintaining the gyro wheel spin axis near vertical during the gyro "power-off" mode of operation....
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5107597 |
Magnetic compass
A magnetic compass has an instrument body adapted to be held level by a gimbal mechanism and having a vertical cylinder member, a spherical or semi-spherical float body on the upper end of the...
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4667414 |
Direction-finding devices
A housing defines a chamber having a spherical inside surface, and a spherical float is supported within the chamber by a liquid so that the outside surface of the float is equidistantly spaced...
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4614041 |
Magnetic angular position sensor
A magnetic angular position sensor having a ferrofluid filled spherical chamber in a cylindrical housing, within which floats a body comprising a buoyant core carrying a magnet which aligns itself...
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4603483 |
Thermal gradient compensator for fluid rotor gyroscopic apparatus
A fluid sphere gyroscope is used as the north-seeking sensing element in a gyrocompass. A sensor responsive to angular deviation of the gyroscope from the horizontal provides a tilt signal which is...
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4577414 |
Remotely readable fiber optic compass
A remotely readable fiber optic compass. A sheet polarizer is affixed to a magnet rotatably mounted in a compass body, such that the polarizer rotates with the magnet. The optical axis of the sheet...
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4517750 |
Vertical indicating method and device
A device for sensing angular deviation from the vertical. A housing forming a spherical chamber contains pendulous element comprising a circular plate immersed in a liquid having a low viscosity....
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4451990 |
Gyrocompass
In a gyrocompass in which a gyro is housed in a gyro case with a spin axis arranged substantially horizontal, a container is provided for surrounding the gyro case and for containing a liquid. A...
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4441375 |
Gyroscopic instrument
The present invention is directed to a gyroscopic instrument comprising concentric containers, the inner container enclosing a rotating electric gyro rotor, magnetic fluid enclosed between the...
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4375726 |
Gyro compass
In this gyro compass the direction-indicating gyro system is suspended pivotably in all directions from a pendulum, which is mounted to rotate about a vertical axis in a frame integral with a ship,...
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4297905 |
Gyroscopic vertical reference system
A vertical gyroscopic reference system consists of a gimballed platform solid with a stator in the form of a hollow spherical chamber in which a substantially spherical gyro rotor revolves, the...
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4283960 |
Gyroscope indexing drive mechanism
The gyrocompass includes an improved indexing mechanism whereby the mechanical position of the gyroscope casing with respect to two orthogonal components of input rate may be measured.
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4258578 |
Floated, internally gimballed platform assembly
The azimuth shaft of an internally gimballed, gyro-stabilized platform assembly is maintained rigid by keeping the uniquely structured inertial instrument-mounting components neutrally buoyant in a...
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4193308 |
Fluid dashpot gyro stabilized platform caging system
A caging system for non-closed-loop gyro systems used in gyro stabilized platforms using fluid dashpots in place of automatic caging gyro brakes, torquers, or solenoids. A fluid dashpot is mounted...
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4143466 |
Free floating gyroscopic compass azimuth pick-off and rotor drive system
An azimuth directional synchro output is provided for a gyroscopic compass, the compass consisting of a pendulous gyrosphere floating within a spherical cavity containing an electrically conductive...
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4109391 |
Portable surveying compass with flux valve and gyrocompass alignment modes
A miniature automatically self-aligning azimuth reference employs a floated pendulous gyrocompass device for the rapid determination of geographic north as required for surveying purposes. Fast...
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4033045 |
Portable surveying gyrocompass apparatus
A miniature automatically self-aligning azimuth reference employs a floated pendulous gyrocompass device for the rapid determination of geographic north as required for surveying purposes. Fast...
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4008623 |
Gyroscopic instrument
A gyroscopic instrument which may be a compass includes a hollow sphere enclosing at least one motor-driven gyroscope and floating in an electrically conductive liquid within the inner surface of...
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3780444 |
GYROCOMPASS
A pendulous gyrocompass of the type in which the rotor case if floated and the motor for driving the rotor in the rotor case is supplied with electrical power through a pair of...
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3706137 |
FLOATED PENDULOUS GYROCOMPASS
A pendulous gyrocompass wherein the gyro pendulum assembly is supported by a spherical float partially submerged in a bath of halocarbon oil. A set of pickoffs senses the precession of the gyro...
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3522736 |
GYROSCOPIC INSTRUMENT
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3452444 |
MERIDIAN DETECTOR
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3452443 |
GYROCOMPASSES
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3419967 |
Gyrocompasses
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3412472 |
Universal gyroscope
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3405451 |
Liquid ballistic for gyrocompasses
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3402610 |
GYROSCOPES
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3386179 |
Gyrocompass
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3373617 |
Gyroscopic instrument
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3373499 |
Portable north-indicating gyroscopic instrument
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3321841 |
Gyrocompass
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3311987 |
Pneumatic attitude sensor
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3292269 |
Gyroscopic compasses
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3238792 |
Gyroscopic instrument
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3146530 |
Pendulous north seeking gyroscopic assembly
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2990623 |
Self-clearing liquid ballistic for gyro assembly
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2930240 |
Gyroscopic surveying compass
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2922228 |
Gyro compass
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2896455 |
Gyroscopic devices
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2872821 |
Caging device for gyrocompasses having a floating sensitive element
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2839931 |
Gyroscope
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2821791 |
Gyro compass
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2811785 |
Gyroscopic direction-indicating instruments
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2797581 |
Gyroscopic instruments
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