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 |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 6948248 | Hair trimmer A hair trimmer having an ion emitter assembly that emits ions for use in hair care processes. The hair trimmer includes a body portion having a cutting end, a blade set mounted adjacent the cutting end, and an electric motor drivingly connected to the blade set. The... | 09/27/2005 |
| 6915576 | Illuminated safety razor The illuminated safety razor has a substantially transparent handle and a razor head adapted to hold a razor blade cartridge. A high-intensity LED disposed in the razor head illuminates the area to be shaved. The LED may be molded within the razor head in various or... | 07/12/2005 |
| 6890083 | Underwater probe and illumination device An underwater probe and illumination device comprising an arcuate body having a probe and light positioned at one end of the body and a hand grip at a second end of the body, the body is tapered from the hand grip to the probe tip and also includes a second hand gri... | 05/10/2005 |
| 6871402 | Electrically driven hair removal device An electrically operated hair removing device, comprising a housing, an operating system connected to the housing for clipping and/or plucking hair, the system having at least two operating elements which are movable relative to one another and at least one of which... | 03/29/2005 |
| 6406157 | Eyebrow grooming tool An eyebrow grooming tool that includes a molded plastic handle and a razor blade cartridge holding assembly in connection with the plastic handle. The razor blade cartridge holding assembly is provided with a light source shining through two elongated tra... | 06/18/2002 |
| 6363215 | Hot air and light emitting curling brush A hair curling brush comprises a convection heater and a barrel which encloses a halogen heating bulb. The barrel comprises a tube having both a plurality of bristles and a plurality of holes adjacent to the bristles. The heating bulb emits both visible l... | 03/26/2002 |
| 6227676 | Method and apparatus for shaving A method and apparatus (10) for facilitating the shaving of large body surfaces. The method employs a skin lubricating unit (12) in the form of a shaving gel (41) impregnated with a luminous agent such as "Luminal" that will penetrate the user's body hair... | 05/08/2001 |
| 5595437 | Hairbrush with motion sensitive light A hairbrush which is made from a transparent material which has a motion sensitive light embedded in it. As the hairbrush is used or carried, the light flashes on and off. Preferably the light source is a light emitting diode and the battery is a wafer ba... | 01/21/1997 |
| 5582476 | Illuminating safety razor A safety razor having a head that illuminates the area to be shaved. The razor has an internal hollow filled with bundles of optical fiber leading from a source of light within the razor handle to windows directed to the area adjacent the razor blade.... | 12/10/1996 |
| 5299104 | Shaving light apparatus A support plate mounting a tubular handle at a support plate first end includes an illumination member within the handle directing illumination through the support plate and projecting illumination from a fiber optic cable structure directed through the s... | 03/29/1994 |
| 4988354 | Depilatory device An improved depliatory device is provided having a magnifying lens for enlarging a user's view of a body site from which hairs are to be removed and an illumination lamp mounted in a housing of the device for illuminating the body site to enhance viewing.... | 01/29/1991 |
