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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 330/167 - With additional impedance connected to "P" or "S" circuits


Subclass of Class 330 - Amplifiers
Definition: Subject matter wherein additional impedance which may be
No. of patents: 8
Last issue date: 10/04/2005


NumberTitleIssue Date
6952159Coupling device
A coupling apparatus (1) having a mains connection (2) for connection to a low-voltage mains power supply system, and having an appliance connection (3) for connection of any appliance for transmitting and/or receiving an RF signal has a voltage...
10/04/2005
5528630Coupler for communication systems which utilize more than one frequency band
A signal coupler includes a transformer having a primary and a secondary winding. Each transformer winding has a pair of associated winding terminals and is also split at an intermediate winding position to form a pair of supplemental winding terminals. C...
06/18/1996
5404113High efficiency power amplifier
A high-efficiency amplifier (10, 18) that may be used in, for example, a radar system to amplify signals received at an exciter (22) before they are applied to an antenna (20). The amplifier includes, among other components, an adaptive matching network (...
04/04/1995
5345189Vectorial signal combiner for generating an amplitude modulated carrier by adding two phase modulated constant envelope carriers
A circuit for combining first and second signals having the same frequency. The signals have a relative phase shift, 2a(t). The circuit generates a signal that is proportional to the sum or difference of signals. The circuit appears to be a resistive load...
09/06/1994
4703283Isolation amplifier with T-type modulator
An isolation amplifier including a full-wave modulator which applies to the primary winding of an isolation transformer an attenuated version of the input signal, to reduce the flux density in the transformer without the need for a complicated flux-nullin...
10/27/1987
4551686Coupling filter, especially an input filter, for receivers of centralized ripple control systems
A coupling filter is formed from a plurality of four terminal networks. Each active four terminal network preferably has a bypass admittance, two filter admittances, a feedback admittance, and an amplifier. One end of the bypass admittance and of the filt...
11/05/1985
4105941Driver for reactive load
An apparatus for driving a reactive load, comprises a plurality of N multnput elements N ࣙ 2, connected in parallel, capable of amplifying a band of frequencies. Two inputs of each element can be connected to sources of direct-current voltage. Each cir...
08/08/1978
4000473Isolation amplifier
Disclosed is an isolation amplifier, wherein a DC input signal is applied to the primary winding of a saturable reactor, the secondary winding of which is coupled with an oscillating circuit so as to supply the secondary circuit with a high-frequency curr...
12/28/1976
 
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