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 |
| 3943289 | Automatic telephone caller A prerecorded message is supplied to a plurality of telephone subscriber numbers automatically called in sequence from a local station. Upon placing the call to the first number, another second number is established by changing the first called number by ... | 03/09/1976 |
| 3942412 | Fluid control system for dual power steering A fluid control system for master-slave power steering combinations includes master and slave steering units, a pump, a low pressure discharge line from the master unit, a low pressure transfer space in the slave unit and a low pressure return line to the... | 03/09/1976 |
| 3940789 | Multicolor display for the visual-aesthetic portrayal of electric signals A multicolor visual display apparatus for stereophonic sound signals is disclosed. The display apparatus includes a conventional three gun color cathode ray tube, having a screen with a plurality of colored phosphor dot triads. Stereophonic signals are co... | 02/24/1976 |
| 3935318 | Disposable apparatus for brewing a beverage such as coffee The invention is directed to an apparatus for brewing a beverage such as coffee or tea. A disposable disc-shaped receptacle contains a predetermined quantity of solid beverage material. The flat lower surface of the receptacle contains a plurality of perf... | 01/27/1976 |
