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.
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| Number | Title | Issue Date |
| 4346263 | Signalling arrangement for telephone equipment Each of a number of remote subscriber telephones is connected through its own pair of lines, including ground lines, to a central office in the usual way. Each of many or all of the subscriber telephones has near it a special subscriber end equipment for ... | 08/24/1982 |
| 4238109 | Control valve A control valve has a body with an orifice open to an inlet port and to an outlet port. A valve sleeve is movable along an axis in the body to move a valve needle into and out of the orifice. A first bellows engages the body and valve sleeve to preclude l... | 12/09/1980 |
| 4052896 | Ultrasonic flow meter An improved apparatus and method for measuring fluid flow in a conduit enables the transmission of ultrasonic signals through the fluid with low signal attenuation and unique phase determination. Ultrasonic burst signals are simultaneously transmitted to ... | 10/11/1977 |
| 4004097 | Automatic meter reading device A device for automatically reading one or more meters at a remote location and supplying the information read over telephone lines to a central station includes a coupler effective on command from the central station to furnish power to the meter reading ... | 01/18/1977 |
| 3996798 | Open channel flow meter In an open channel in which liquid flows, there are provided a first flow velocity measuring device and a second liquid level or height measuring device. At flows above a predetermined level the first and second devices are coupled to give a flow quantity... | 12/14/1976 |
| 3935735 | Ultrasonic flow meter Facing each other diagonally across a pipe for flowing fluid is a pair of like, transmitter-receiver units operating with signals of supersonic frequency. The units are in a joint circuit and periodically are simultaneously energized to transmit identical... | 02/03/1976 |
