Bizarre Patents
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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4438348 | Temperature compensated avalanche photodiode optical receiver circuit A photodiode receiver circuit having self-contained automatic gain control and which is temperature compensated over a wide operating range contains a resistor coupled in series between a bias power supply and one end of an avalanche photodiode. Self-gene... | 03/20/1984 |
| 4398062 | Apparatus for privacy transmission in system having bandwidth constraint Source intelligence within a predetermined bandwidth is normally provided to a transmission channel having a bandwidth constraint of the predetermined bandwidth. For privacy transmission, a first pulse train indicative of the source intelligence is derive... | 08/09/1983 |
| 4377725 | Asynchronous multichannel receiver A receiver (12) including an asynchronous demodulator (28) for recovering program signals from a composite modulated signal (46) including in-phase (48) and quadrature-phase (50) components. A phase detector (52) provides a signal corresponding to the pha... | 03/22/1983 |
| 4340932 | Dual mapping memory expansion unit In a unified bus data processing system, a memory expansion unit is connected to the bus to convert bus addresses into addresses in a physical memory which may be many times larger than the maximum size that the bus would have been capable of addressing p... | 07/20/1982 |
| 4324952 | Direct function receivers and transmitters for multichannel communications system Transmitters and receivers are disclosed for communicating composite modulated signals including at least two modulated components. The transmitters include phase and envelope operators (54, 56) which generate the phase and envelope portions of the compos... | 04/13/1982 |
| 4317137 | Optical scan head and printer An optical scan head for reading and recording on a surface provides a plurality of light emitting diodes positioned in the form of a linear array for operating on an area of the surface of a document or photosensitive material. An electronic circuit is c... | 02/23/1982 |
| 4314373 | Passive transmitter including parametric device A passive transmitter incorporates a parametric device, e.g. a varactor diode. A tuned circuit derives energy received from a source of radiowaves, and is coupled to pump the varactor diode. The varactor diode produces a subharmonic output. Means are coup... | 02/02/1982 |
| 4295363 | Apparatus for diagnosing faults in individual cylinders in an internal combustion engine Malfunctions, such as low power performance or low compression, of individual cylinders of an internal combustion engine are determined by the apparatus herein. Measurements are made as to the values of the time intervals between successive crankshaft pos... | 10/20/1981 |
| 4295225 | Fiber optic repeater A fiber optic repeater includes a photodetector stage, an amplification and pulse sharpening stage and a driven stage for an injection laser diode, the three stages being made up of only three MESFETs, preferably of the GaAs type and each stage being simi... | 10/13/1981 |
| 4285060 | Spread spectrum code tracking loop A code tracking loop for a spread spectrum receiver includes a pair of mixer circuits to which phase offset or relatively delayed pseudo noise code signals are applied and combined with an incoming IF spread spectrum signal. The output of the mixers are c... | 08/18/1981 |
| 4283728 | Five-horn cassegrain antenna A five-horn Cassegrain antenna is disclosed comprising a main dish, an up-taper subreflector set on the boresight axis of the main dish, and including a sum horn positioned on the boresight axis between the subreflector and the main dish with four error h... | 08/11/1981 |
| 4277764 | Microwave transistor stabilization circuit A microwave transistor circuit includes a pair of field effect transistors connected in cascade via a standard 50 ohm transmission line having a length equal to one-half the wavelength of the operating frequency range of the circuit. Although the field ef... | 07/07/1981 |
| 4273412 | Optical fiber coupling fitting An optical fiber coupling fitting includes a clamping member, a central portion of which is removed for receiving an optical fiber holder which is inserted into the central hole portion. Transverse to a slot in the clamping member is a tapped bore for rec... | 06/16/1981 |
| 4273962 | Impulse metering of local telephone switching offices via a DAMA DOMSAT communication system Impulse metering at local telephone switching offices in a DAMA DOMSAT communication system involves the storage of billing rate information in the control computer equipment at a master station. This billing information is maintained in the form of a loo... | 06/16/1981 |
| 4273427 | Apparatus for storing and randomly accessing planar film records A system (10) is disclosed for storing and selectively retrieving planar film records, such as microfiche (25). The microfiche are stored in a carousel assembly (12) and are retrieved from the carousel by a positioning assembly (18). The carousel assembly... | 06/16/1981 |
| 4261054 | Real-time adaptive power control in satellite communications systems An adaptive transmitter power control for use in satellite communications systems. The power control provides real-time adjustment of satellite transponder power on the basis of received signal quality so as to overcome the effects of rapid onset signal a... | 04/07/1981 |
| 4260145 | Signature handling apparatus The disclosed signature handling apparatus is for use with a saddle conveyor which moves signatures with a folded edge up along a path through a series of stations. The apparatus transfers signatures from the saddle conveyor to the infeed conveyor of a si... | 04/07/1981 |
| 4256362 | Phase-insensitive hologram readout technique A hologram-containing storage medium is rapidly scanned or swept by a sinusoidal spatial fringe pattern, the spatial frequency of which varies with time. This may be achieved by the use of a suitable light beam deflection system and frequency shift arrang... | 03/17/1981 |
| 4245193 | High-Q multi-mode resonator controlled source An oscillation control circuit in which the output of an unstabilized oscillator is controlled using a bulk acoustic wave resonator. The circuit includes a high and low frequency loop with the power output of the oscillator being divided and supplied alon... | 01/13/1981 |
| 4240327 | Fluid operated linear actuator control system A fluid operated linear actuator control system for drive arrangements of the type wherein two fluid operated linear actuators act upon a shaft at an angle with respect to each other for causing rotation thereof is disclosed. The control system includes a... | 12/23/1980 |
| 4240538 | Method and apparatus for accumulating and gating articles Method and apparatus for the controlled accumulating and feeding of piles of magazines from an input conveyor to a trimmer infeed conveyor. A flow director receives magazine piles and directs them to one of three parallel conveyor lanes, each lane includi... | 12/23/1980 |
| 4240540 | Gating method and apparatus Method and apparatus for the gating of piles of magazines from an input conveyor to a trimmer infeed conveyor. A pile is fed to a gating conveyor and blocked at the entrance thereto by a pair of gating pins. The gating pins and the gating conveyor are the... | 12/23/1980 |
| 4241340 | Apparatus for generating displays of variable size characters A character display system is disclosed which provides displays of characters of variable size. A diddle raster scanning technique is used to display each character in its entirely before proceeding with the display of the next character. The size of the ... | 12/23/1980 |
| 4241454 | Hard limiting acquisition technique for PSK carrier detector A carrier recovery scheme for a PSK demodulator through which side locking onto an interference-created sideband is avoided includes a hard-limited upstream of a phase-locked loop which removes jammer-induced AM from the input signal. As the loop sweeps t... | 12/23/1980 |
| 4240346 | Web printing press An offset lithographic web printing press capable of printing a series of relatively short runs without interruption and with minimum waste of web material. The press includes a plurality of printing units. During a given run, some of the printing units a... | 12/23/1980 |
| 4240094 | Laser-configured logic array An LSI fabrication process employs pulsed laser energy to selectively tailor individual logic elements of which the building blocks of an LSI array may be configured and to selectively interconnect these laser-configured building blocks. On an LSI chip, a... | 12/16/1980 |
| 4236042 | Compatible AM stereo system employing a modified quadrature modulation scheme A compatible AM stereo system including a modified quadrature modulation scheme. Two stereo modulators are described which each generate composite modulated signals including a carrier component and two phase-shifted components. The two phase-shifted comp... | 11/25/1980 |
| 4236120 | High speed, high efficiency amplifier circuit An amplifier (10) includes several output devices (12, 14), each of which is connected to a power source providing a different supply voltage. The inputs and outputs of the devices are coupled to the same signal input (Vin) and output (Vou... | 11/25/1980 |
| 4233683 | Cascaded equalizer technique Equipment-generated and dynamic crosstalk are effectively compensated by a signal equalization technique which involves the cascading of equalizers of respectively different lengths and respectively different loop gains. The first equalizer to which a rec... | 11/11/1980 |
| 4233576 | Automatic polarization decoupling network An automatic polarization decoupling circuit for decoupling first and second signals originally transmitted with orthogonal polarizations comprising a rotatable quarter-wave plate and a rotatable half-wave plate for linearizing the first signal and rotati... | 11/11/1980 |
| 4232339 | Television signal horizontal interval timing reconstruction system A circuit for communicating both a video signal and a timing signal over a single information channel from a television camera head to a remote camera control unit. A horizontal interval timing signal is modified by delaying the beginning of each timing p... | 11/04/1980 |
| 4232189 | AM Stereo receivers Radio receiver systems for recovering stereo program signals from a composite stereo signal which has been modulated with either quandrature modulation or modified quadrature modulation techniques. In one embodiment, a receiver is provided which directly ... | 11/04/1980 |
| 4228538 | Real-time adaptive power control in satellite communications systems An adaptive transmitter power control for use in satellite communications systems wherein at least two ground stations communicate serial streams of binary data via a satellite transponder whose power-output is functionally dependent upon received signal ... | 10/14/1980 |
| 4225868 | Low-profile X-Y antenna pedestal utilizing multi-hinge points to provide angular motion for each axis An antenna pedestal for producing angular motion is formed of a base and upper and lower subassemblies. Pivot arrangements are provided between the base and the lower subassembly for enabling the lower subassembly to be angularly displaced with respect to... | 09/30/1980 |
| 4225976 | Pre-calibration of gain control circuit in spread-spectrum demodulator In a spread-spectrum receiver, a predetermined noise floor voltage, supplied together with the output of the correlation detector as a control voltage for an AGC amplifier, is subjected to a pre-signal reception adjustment or calibration, in order to comp... | 09/30/1980 |
| 4223994 | Typesetting transport mechanism Transport apparatus for a phototypesetting system having input and output film buffers and a gating mechanism for selectively directing the film to either of several output stations.... | 09/23/1980 |
| 4223381 | Lookahead memory address control system A selective memory addressing scheme employs a programmable read only memory (PROM) which responds to the opcode of the next instruction to be executed and supplies control information to memory module selection registers.The memory module selection regis... | 09/16/1980 |
| 4221931 | Time division multiplied speech scrambler A privacy communication system in which increased security is provided in the scrambling of speech signals. Input speech is separated into a high frequency band and a low frequency band, and each band is time scrambled independently and recombined prior t... | 09/09/1980 |
| 4220923 | Adaptive interference reduction system for crosstalk cancellation in a dual polarization system An adaptive interference reduction system for removing cross talk from a dual polarization system comprising a first adjustable filter for varying the phase and the weight of a first input signal, a second adjustable filter for varying the phase and the w... | 09/02/1980 |
| 4218688 | Deformographic storage display system A multiple display system for the display of electronically processed data includes a deformographic storage tube in which a deformographically created image pattern is generated. High intensity projection light is directed at the deformographic storage t... | 08/19/1980 |
