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 |
| 8081132 | Wideband antenna for receiving digital TV signals A wideband antenna for receiving digital television signals includes a substrate, a radiating plate, a first radiating element, and a second radiating element. The radiating plate is formed on the substrate and the radiating plate has a first radiating area, a secon... | 12/20/2011 |
| 7639198 | Dipole antenna array having dipole arms tilted at an acute angle An antenna comprising a reflective surface; and an array of dipole antenna elements disposed adjacent to the reflective surface. Each antenna element has a pair of arms which together define a dipole axis, and the dipole axis is tilted at an acute angle with respect... | 12/29/2009 |
| 7542003 | Contactless label with Y-shaped omnidirectional antenna Contactless label designed to ensure the traceability of an object featuring a microcircuit (16) and a Y-shaped dipole antenna connected to the microcircuit, which contains information necessary for tracing the object, which can be read with a reader through ... | 06/02/2009 |
| 7432872 | Compact aviation vertically polarized log periodic antenna A reduced height log periodic antenna that may safely be positioned under the rotating blades of a helicopter sitting on the ground and still resonate in the frequency range at which the antenna was originally designed to resonate. The antenna comprises a pair of an... | 10/07/2008 |
| 7348933 | Compact multi-polarized antenna for portable devices A compact multi-polarized antenna for transmitting and/or receiving radio frequency (RF) signals, and a method for constructing same, is disclosed. The antenna comprises at least two radiative antenna elements each having a first end and a second end. The second end... | 03/25/2008 |
| 7246781 | Swivel stand with side slot and suction cup base A stand for supporting a vibrator/massaging device provides a swiveling and pivoting relationship through a ball joint connection between the massaging device and the base stand. The base stand comprises a suction cup bottom which enables attachment to a variety of ... | 07/24/2007 |
| 7170466 | Wiper-type phase shifter with cantilever shoe and dual-polarization antenna with commonly driven phase shifters A wiper-type phase shifter with a cantilever shoe that ensures that the electrical contact on the wiper arm remains in electrical communication with the transmission trace located on the antenna backplane without relying to an element, such as a spring-loaded set sc... | 01/30/2007 |
| 7091924 | MEMS transmission and circuit components An Rf device (100) that comprises unique MEMS RF transmission and circuit components (104–106) that are integrated together on a semiconductor chip (101) to form the RF device (100). These MEMS components (104–106) are monolithically ... | 08/15/2006 |
| 6844851 | Planar antenna having linear and circular polarization An antenna is located at the end of a wireless communication system, or other radio system, and more particularly, a wideband planar antenna with linear and circular polarization uses different polarization for transmission or reception to increase the isolation bet... | 01/18/2005 |
| 6573874 | Antenna and radio device Two one-wavelength antenna elements (1) and (2) arranged in diamond-wise opposition to each other so that one-ends of the antenna elements (1) and (2) are provided with a feeding portion (3) and the other-ends (4) of the same are opened, and so that the a... | 06/03/2003 |
| 6480168 | Compact multi-band direction-finding antenna system An compact and rugged antenna system particularly suited to direction finding includes a plurality of antenna arrays for receiving respective frequency bands and colocated on a mast with separation between antenna arrays along the mast. The mast includes ... | 11/12/2002 |
| 6271800 | Circularly polarized cross dipole antenna A circularly polarized cross dipole antenna according to the present invention includes a cross dipole antenna element formed of two pairs of inverted-V-shaped dipole antenna elements, which are bent like an inverted "V" at a set angle, so as to cross eac... | 08/07/2001 |
| 6204825 | Hybrid printed circuit board shield and antenna A hybrid shield and antenna unit for a printed circuit board is disclosed. A shielding enclosure for providing RF and electromagnetic shielding of the electronic components of a circuit board is integrated with an antenna as a single unit. The hybrid shie... | 03/20/2001 |
| 6204824 | Collapsible folded dipole antenna A collapsible antenna is provided; it is preferably a folded dipole antenna. The antenna has a main body section and two arm sections attached to the main body. At least one of the arms may be moved from an extended position to a collapsed position, there... | 03/20/2001 |
| 6104350 | Retractable angled antenna assembly An antenna assembly includes a straw having a substantially linear passageway and a helix base coil with an angled tapered guide, the passageway having a width wider than the widest portion of the angled tapered guide. An antenna element has a stopper por... | 08/15/2000 |
| 5561437 | Two position fold-over dipole antenna A radio communication device includes a radio signal source (415) positioned in the first housing portion (101). A second housing portion (103) has a first end movably supported on the first housing portion such that the housing portions are reconfigurabl... | 10/01/1996 |
| 5532707 | Directional antenna, in particular dipole antenna In order to create a directional antenna, in particular a dipole antenna, that is improved over the prior art, can be produced and is designed comparatively simply, and furthermore has further improved electrical properties, it is provided that the symmet... | 07/02/1996 |
| 4727598 | Selectively mountable TV receiver cabinet and antenna A cabinet and antenna assembly for a television set includes an antenna which is selectively mountable at different locations on a cabinet to accommodate different signal receiving environments. When the cabinet is sitting on a lower support, the antenna ... | 02/23/1988 |
| 4570165 | Adjustable loop and dipole antenna An antenna apparatus has a first wire-like antenna element formed into a rectangular planar loop and a second antenna element which comprises two L-shaped plates electrically connected to the loop and mounted to a rectangular planar base member. The loop ... | 02/11/1986 |
| 4543581 | Antenna arrangement for personal radio transceivers An antenna arrangement for personal radio transceivers in which a main antenna extends from the housing of the transceiver which is excited by a high frequency connector thereof, includes an auxiliary antenna which is coupled to a cold terminal of the con... | 09/24/1985 |
| 4471360 | Antenna with articulated dipole element An articulated element for an antenna such as a log-periodic dipole antenna having an elongated boom comprises an inner tubular section secured to the boom and an outer tubular section movable relative to the inner section between an extended or operative... | 09/11/1984 |
| 4253099 | Automobile antenna An automobile antenna adapted to be mounted onto the roof of an automobile and which includes an antenna body portion formed with antenna receiving grooves which is adapted to be mounted onto the roof of the automobile with suitable suction cups or magnet... | 02/24/1981 |
