Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 4218755 | Weather forecasting apparatus Weather forecasting apparatus for producing a visual indication of a weather forecast in response to supplied information, with such supplied information including current weather conditions, current wind speed and wind direction, geographical region info... | 08/19/1980 |
| 4143547 | Method and apparatus for remote measurement of variation in wind velocity An acoustic echo system transmitter and receivers for measuring signal scattering at a zone resulting from wind movement, with the receiver doppler outputs averaged to provide spectra of wind velocity. Method and apparatus for calculating the second momen... | 03/13/1979 |
| 4125893 | Integrated refractive effects prediction system A method and means of assessing the effects of the lower atmosphere on the performance capabilities of a variety of electromagnetic systems. Environmental data is entered manually into a computer by means of a keyboard or on digital tapes in cassette form... | 11/14/1978 |
| 4095221 | Electrical storm forecast system An electrical storm forecast system includes a sensor unit for receiving electrostatic field information, an amplitude and phase detector coupled to the sensor unit and information processing means coupled to the amplitude phase detector.... | 06/13/1978 |
| 4043194 | Wind shear warning system Wind conditions along the projected flight path of an aircraft are measured and displayed. Wind velocity and direction at the aircraft and at the projected touchdown or takeoff point of the aircraft are compared and the existence of a wind gradient or win... | 08/23/1977 |
| 4035802 | Method and apparatus for wind measurement A wind measuring system utilizing a very low frequency (VLF) radio navigation system including an observation station, at least three transmitting stations for sending out the VLF signal, and a sounding device positioned in the atmosphere for receiving th... | 07/12/1977 |
| 4023017 | Electronic traffic control system A traffic control system having a number of detectors spaced along a roadway being monitored. The detectors are organized in groups, each group being interconnected to a different post. The posts include transmission and reception equipment for communicat... | 05/10/1977 |
| 4012713 | System for providing an indication of wind shear The output of a transducer providing a signal in accordance with the instantaneous air speed of an aircraft is differentiated and fed to a summing device which subtracts therefrom a signal in accordance with the horizontal acceleration of the aircraft, th... | 03/15/1977 |
