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 |
| 7207803 | Earth globe assembly An educational globe assembly is provided comprising a globe and a base cradle for the globe configured to removably and rotatably support the globe. The base cradle comprises a great circle ring, and the great circle ring comprises at least one annular indicia surf... | 04/24/2007 |
| 7207802 | Globes having marked zones of geographic interest An Earth globe is provided for studying continental position theories. The globe comprises graphical image representations of a plurality of land masses at locations representing the current position of the land masses on Earth. A plurality of at least a portion of ... | 04/24/2007 |
| 7012855 | World globe pocket clock and world globe desk clock A time keeping device that provides a user with the time of day at any point on earth and the current day or night condition of any point on earth. The time keeping device includes a translucent external globe indicia for indicating time and an internal globe rotata... | 03/14/2006 |
| 6979197 | Globe apparatus for showing rotation and revolution Disclosed is a globe apparatus for showing rotation and revolution at the same time. The globe apparatus includes: a base to which one end of at least one support rod is fixed and one end of a revolution axis is rotatably fixed; a support arm fixedly coupled with th... | 12/27/2005 |
| 6941058 | Driving device for handicraft with acousto-optic control and driven by batteries A driving device for handicrafts with acousto-optic control and driven by batteries comprises a base, a switch and a power connector at a base cavity of the base, a motor in the base which controls a rotating axis that extends to the surface of the base, a rotating ... | 09/06/2005 |
| 6633510 | Dual time zone time piece A dual time piece having at least two clock faces thereon with each clock face having indicia thereon that enable the user to determine whether the time displayed by each time piece represents time before noon or time after noon.... | 10/14/2003 |
| 5742563 | Electronic device with calendar function including determining the first week of the year An electronic device with a calendar function having an input device, so that a desired date can be entered in the electronic device. The day of the week that January 1st falls on in the year corresponding to the desired date is determined. The ordinal nu... | 04/21/1998 |
| 5379271 | Chronoglobe A rotating sphere (98) within a rotating sphere (20) device. The outer sphere (20) is a translucent earth globe. The slightly smaller inner sphere (98), consisting of one reflective white surfaced hemisphere (100) and one nonreflective black surfaced hemi... | 01/03/1995 |
| 5280458 | Sunlit world globe A sunlit world globe provides a realistic and constantly accurate day/night pattern on the surface of the globe. The globe employs an internal, rotating baffle for a light source. The baffle rotates with respect to a semi-transparent shell constituting a ... | 01/18/1994 |
| 4936779 | Earth planet model An earth planet model as illustrated in the drawings having a base supporting a globe cradle 28. The globe cradle supports a glove 40 at a north pole bearing 48 and at a south pole bearing 50 with the polar axis of the globe being inclined. The model 10 h... | 06/26/1990 |
| 4714351 | Globe maps and derived products Globe map (10) in which a light source (76) and a screen (46) cooperate to create on the wall of a shell (12) two hemispherical zones respectively lit and dark. Clockworks designed to rotate these zones around the center of the globe (10), according to th... | 12/22/1987 |
| 4666310 | Globe clocks Globe clocks for indicating time at various points in the world by illumination of such points as a function of time by light systems which simulate the sun. In a first preferred embodiment, the globe clock is characterized by a transparent or translucent... | 05/19/1987 |
| 4477193 | Terrestrial globe including a world clock The present invention relates to a terrestrial globe comprising a world map carrying spherical body rotatably supported around the Antarctic and Arctic points on a stand, and luminous bodies such as light emitting diodes mounted on selected points corresp... | 10/16/1984 |
| 4464058 | World time and day indicator clock A novel twenty-four hour clock providing a continuous display representative of the rotation of the Earth relative to the heavens, and the changing position of illustrated geographic areas of the Earth relative to the fixed position of the Sun, thereby pr... | 08/07/1984 |
| 4209973 | Electronic timepiece time zone display A digital display for an electronic timepiece having first visual indication display segments peripherally disposed around numerical display digits for selectively indicating predetermined integral time zones corresponding to the time displayed by the num... | 07/01/1980 |
| 4149257 | Alarm watch equipped with electronic calculator An electronic alarm watch having an external operation device, which comprises a timekeeping section and an electronic calculator. The timekeeping section is composed of a quartz crystal oscillator connected to a first battery and providing a relatively h... | 04/10/1979 |
| 4102121 | Three dimensional time piece A three dimensional time piece for determining the correct time anywhere in the world. The time piece having a world globe with a 24 hour time band therearound, and lighting inside the globe to indicate both night time and day time on the surface of the g... | 07/25/1978 |
| 4056927 | Time giving device A globe construction for visually determining the time at a geographical area of the earth including a translucent globe, a rotatable hour dial labelled by hours and having perforations through which a stationary dial having minute indicia is viewable thr... | 11/08/1977 |
| 3983688 | World clock device A plurality of clocks are provided in a housing having a plurality of faces, each clock being in a corresponding one of the faces of the housing. A transparent globe of the Earth is rotatably mounted in the housing. A rotating device in the housing is cou... | 10/05/1976 |
