Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 7708466 | Lubricated bushing A lubricated bushing is mounted in a mounting cavity in a bushing housing and has a body and a flange. The body has an axial hole formed coaxially through the body to rotatably hold a shaft of a rotor of a fan and a bottom concentric recess formed in a bottom end of... | 05/04/2010 |
| 7401474 | Thermal food storage cabinet A thermal food storage cabinet has a sealed box with a thermally insulated compartment, a freezer compartment and a refrigeration compartment, a compressor, a condenser, evaporator and thermal expansion valve. The thermally insulated compartment has a heat-conductin... | 07/22/2008 |
| 7385369 | AC fan motor driving circuit having capability of monitoring the rotation rate and status of the AC fan motor A driving circuit has a driving circuit module, a rotation rate detecting module and a rotation status detecting module. The driving circuit module is used to drive an AC fan motor and has at least a driving IC having two controlling outputs and a rotation status de... | 06/10/2008 |
| 7386224 | DC brushless fan motor driving circuit A DC brushless fan motor driving circuit has a Hall PWM signal generator, a speed signal generator, a PWM driver and a full-bridge switching circuit. The Hall PWM signal generator obtains a Hall sine wave signal from an external Hall sensor and converts the Hall sin... | 06/10/2008 |
| 7282888 | AC fan motor driving circuit having detecting current wave capability A driving circuit of an AC fan motor has an AC to DC converter, a current detecting unit, a step-down divider, a motor driving unit, two windings each having many coils and a harmonic wave elimination unit. The AC to DC converter converts AC power to high voltage DC... | 10/16/2007 |
