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Class 343/759 - Spiral motion


Subclass of Class 343 - Communications: radio wave antennas
Definition: Subject matter wherein the directive antenna is supported
No. of patents: 7
Last issue date: 09/09/2008


NumberTitleIssue Date
7423596Antenna device
An antenna device is disclosed. An antenna such as a dipole antenna and a parallel feeder each formed of a conductor pattern are disposed on a dielectric plate. The connector is connected to the antenna through the parallel feeder. The parallel feeder has a length o...
09/09/2008
6919854Variable inclination continuous transverse stub array
An antenna array employing continuous transverse stubs as radiating elements is disclosed. In an exemplary embodiment, the array includes an upper conductive plate structure comprising a set of continuous transverse stubs, and a lower conductive plate structure disp...
07/19/2005
5723912Remote keyless entry system having a helical antenna
A vehicle controller is presented for use in a remote keyless entry system for controlling a vehicle device function. The controller includes a receiver for receiving a RF request signal including a security code uniquely identifying a portable transmitte...
03/03/1998
5012170Mechanical stabilization system with counter-rotating nested rotors
The mechanical stabilization system for a support comprises a working rotor mounted on the support by means of bearings and fixed to a working member having at least one parameter associated with the rotation of the working member and which is variable as...
04/30/1991
4181283Rotary mount characterized by variable coning motion
A rotary mount for an object, such as an instrument or workpiece, has a base supporting a rotor which turns on a fixed axis relative to the base and rotatably supports, in turn, on a second rotation axis inclined to the fixed axis, a platform for supporti...
01/01/1980
4173762Reference signal generating apparatus
Apparatus for generating elevation and azimuth reference signals for use in demodulating a tracking error signal to provide elevation and azimuth error components for use in adjusting the position of a tracking conical scan radar antenna, includes a templ...
11/06/1979
4158845Non-gimbaled pointer and tracking platform assembly
A low-cost mechanical pointing and tracking platform that does not use gimbals and to which a sensor may be attached for use in searching an area for a target located at some unknown point. This is achieved with the use of a shaft, mounted intermediate it...
06/19/1979
 
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