Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 5878333 | Tuner with coaxial resonator trimmer A tuner circuit includes a first IF signal generating a first oscillation signal, a local oscillator circuit outputting a local oscillator signal, a mixing circuit mixing the first IF signal and the oscillation signal to generate a second IF signal, and a... | 03/02/1999 |
| 4485382 | Tuning circuits with bendable U-shaped variable inductor for garage door actuators Tuning elements are provided for use in varying the inductance of the oscillatory circuits of the transmitter and receiver units of garage door actuators operating at ultra-high frequencies. Each oscillatory circuit is a closed loop circuit fabricated on ... | 11/27/1984 |
| 4292636 | Passive reply device for use in the automatic wireless transmission of multi-place numerical information between active interrogation devices and such passive reply devices, which are movable with respect to one another and method of making the same The invention relates to a passive reply device for use, for example, in automatic wireless transmission of multi-place numerical information between it and an active interrogation device which are movable with respect to one another, particularly for tra... | 09/29/1981 |
