Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 4745493 | Circuit arrangement for a color image recording and reproduction instrument or a color television receiver A circuit arrangement for a color image recording and reproduction instrument(video recorder) or a color television receiver. Such devices have a phase regulation circuit in which an oscillator (18, 59) is controlled in accordance with the phase compariso... | 05/17/1988 |
| 4724405 | Modulator The invention relates to a modulator comprising a first differential amplifier (6) which receives an input signal and a correction signal for adjusting the quiescent currents on the first and second output. The first differential amplifier (6) is coupled ... | 02/09/1988 |
| 4701797 | Miniature television transmitter A small lightweight portable television transmitter having few components and operable with NTSC, PAL and SECAM systems. A one transistor video amplifier receives a gain controlled video signal and adjusts the d.c. level. Common mode noise rejection and s... | 10/20/1987 |
| 4670789 | Television transmitter A television transmitter comprises a video signal input (1) feeding a modulator (2), a pre-corrector (3), an up converter (4) and power amplification stages (5,6). The stage (6), typically a Klystron amplifier, is operated in a non-linear mode to increase... | 06/02/1987 |
| 4654607 | Modulation control circuit for an amplitude modulator An amplitude modulator having first and second differential amplifiers which are commonly supplied with an amplitude modulated carrier signal and a third differential amplifier which is connected to the emitter current path of the first differential ampli... | 03/31/1987 |
| 4647969 | Instant T.V. penalty flag alert system An instant television penalty flag alert system is provided which superimposes a video flag upon video images of sports events in progress, such as football or hockey. A plurality of spotters are equipped with transmitter which are activated whenever a pr... | 03/03/1987 |
| 4631502 | Transistor modulator for converting video game signals into antenna input signals for a television receiver A transistor modulator for use in a circuit for processing video and sound signals of a video game so as to produce a composite output signal for application to the antenna input of a television receiver to produce a display of such video game. The modula... | 12/23/1986 |
| 4598313 | Television signal scrambling system An encoded television signal is transmitted in the form of an inverted video component amplitude modulating an RF carrier to a selected percentage of modulation and characterized by inverted reference black and white level components. At the receiver, a d... | 07/01/1986 |
| 4575709 | Signal encoding-decoding apparatus In order to reduce the effect of noise on information signals transmitted over a communications link (such as television signals in a DBS link), encoding-decoding apparatus is provided which treats the signals as a series of samples (S) each composed of a... | 03/11/1986 |
| 4571621 | Television transmitter A television transmitter particularly suited for use in a multipoint distribution service television transmitting system for low power transmission within a limited geographical area. In such a system several transmitters can utilize a common set of refer... | 02/18/1986 |
| 4553162 | Television transmitter A television transmitter for transmitting signals including two sound channels either for dual language or stereophonic sound transmission includes a combining filter 4 having a narrow sound passband. In order to reduce the amplitude modulation of the sou... | 11/12/1985 |
| 4546387 | Circuit for providing accurately spaced video and sound carriers A circuit for producing two carrier frequencies (e.g. video and audio) spaced by an accurately controlled, predetermined frequency includes a common reference oscillator connected in two phase-locked loops. Each of the phase-locked loops includes a voltag... | 10/08/1985 |
| 4541121 | Changeover device for selecting one modulator out of two and connecting it into a transmitter The changeover device is intended to produce either independent operation of a transmitter with its own modulator or coupled operation with another transmitter, in which case the two transmitters employ the same modulator, this modulator being associated ... | 09/10/1985 |
| 4538180 | System for non linearity correction by intermediate frequency premodulation in television equipment In equipment for transmitting or re-transmitting television signals comprising, in the intermediate frequency stage, group propagation time correction cells for linearizing the phase-frequency characteristic of the equipment, the non linearity correction ... | 08/27/1985 |
| 4531155 | Circuit for independently adjusting frequency deviation of a VCO A circuit for controlling the application of a signal source to a variable frequency oscillator is disclosed in which the width of frequency deviation and the lower limit frequency of the modulated signal can be set independently of each other. The emitte... | 07/23/1985 |
| 4500920 | RF Modulator In furnishing an RF modulator with a reference signal generator for generating a specified test signal, and a switching circuit for switching a video signal and the test signal on occasion; the reference signal generator and the switching circuit are rece... | 02/19/1985 |
| 4491871 | Audio-visual diplexed television transmitter in which the aural signal can be multiplexed without switching A television transmitter uses a diplexer to combine the signals from a visual power amplifier and an aural power amplifier. The diplexer uses hybrids coupled together by transmission lines, and the transmission-lines have aural-frequency cavities which re... | 01/01/1985 |
| 4470068 | Television transmitter A television transmitter comprises a video processing circuit (2) an amplitude modulator (4) a vestigial sideband filter (8) an R.F. amplifying stage (9) and a klystron amplifier (10) which feeds an antenna (22). The klystron is provided with a grid elect... | 09/04/1984 |
| 4403255 | FM/TV Automatic gain control system An improved automatic gain control (AGC) for a television transmission system comprising a transmitter for transmitting a TV signal via a transmission path to a receiver and having a certain bandwidth in which said transmitter includes a generator for gen... | 09/06/1983 |
| 4386377 | TV Interface RF modulation circuitry An interface circuit for selectively generating TV RF signals on one of two adjacent TV channels is designed with two independent RF oscillator-modulator circuits. The respective double sideband modulated signals generated by the RF modulators are respect... | 05/31/1983 |
| 4385326 | Video disc systems with plural preemphasis/deemphasis networks In video recording apparatus a luminance signal is doubly preemphasized by a cascade connection of two networks prior to clipping and application to a frequency modulator. One network has a non-linear phase characteristic and an amplitude response which i... | 05/24/1983 |
| 4347619 | Digital formatting system An improved method and apparatus for transforming digital information into a special format similar to that of a standard color video signal. The special format includes a multi-level baseband component corresponding to the luminance component of a standa... | 08/31/1982 |
| 4338580 | Self balancing amplitude modulator A modulator receiving an analog input signal and a switching signal for providing an amplitude modulated output signal. The modulator includes a differential input amplifier coupled to a multiplier wherein the analog input signal is commutated through a l... | 07/06/1982 |
| 4316210 | Video signal processing apparatus The luminance component of a video signal subject to overshoot is preemphasized and clipped prior to application as a modulating signal to a frequency modulator. Overshoot of the luminance signal, which tends to cause clipping distortion of the modulating... | 02/16/1982 |
| 4263617 | System for the transmission of a composite television signal The transmission system essentially involves separate amplification followed by a combination under predetermined conditions of relative amplitude and phase, of a carrier signal modulated by the video-frequency information and having a reduced carrier lev... | 04/21/1981 |
| 4249214 | Exciter having incidental phase correction compensation in consonance with output power level Television broadcast transmitters are often operated at remote sites and must be remotely controlled. The transmitters often include exciters driving high-power amplifiers. The exciters and high-power amplifiers produce incidental phase modulation of the ... | 02/03/1981 |
| 4213152 | Output circuit for video tape recorder An output circuit for converting a video signal reproduced from a video signal reproducing apparatus such as a video tape recorder, to a signal in the form of an RF signal in terms of a television channel carrier and selectively producing one of two chann... | 07/15/1980 |
| 4168511 | Common amplification system for video and audio frequency signals Common amplification system for video and audio frequency signals comprising a coupling device for compensating the non-linearity of a single-channel T.V. transmitter power stages, enabling the single-channel configuration to be limited to the final power... | 09/18/1979 |
| 4017682 | Radio frequency converter A radio frequency converter adapted for use with an image pick-up system having separate channels such as a television transmitter or a video tape recording-reproducing apparatus is provided with a single frequency multiplier having a resonant circuit wit... | 04/12/1977 |
| 3955155 | Amplitude modulation system An amplitude modulation system suitable for use in television broadcasting is described. A video signal amplitude modulates a radio frequency carrier signal. The amplitude modulated signal is then filtered by a delay equalized vestigial sideband filter. T... | 05/04/1976 |
| 3939303 | Digital video modulation apparatus A modulator for producing a digital sub-carrier amplitude modulated by a video or other modulating signal comprises sampling means for sampling the modulating signal at twice the process carrier frequency, and selector means for feeding the samples to an ... | 02/17/1976 |
