Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 6393260 | Method for attenuating spurious signals and receiver The invention relates to a method and radio receiver for attenuating spurious signals when receiving (6 to 12) radio signals, when radio signals are mixed (10) to a second frequency, which may be the baseband frequency, for example. Spurious signals are c... | 05/21/2002 |
| 6360084 | Dual-band RF power tube with shared collector and associated method An RF transmitter, such as a radar transmitter or a communications amplifier, is provided that includes a plurality of RF power tube sections each sharing a common collector. The RF tube sections may comprise Klystron tubes, TWT tubes or other RF power tu... | 03/19/2002 |
| 6356743 | Device for linearizing transmitter amplifiers A device for linearizing transmitter amplifiers for transmitter equipment including a plurality of transmitters (11, 12, . . . 1n), each including a transmitter amplifier (4) and not totally decoupled from each other, said device including means for contr... | 03/12/2002 |
| 6356742 | Adaptive precorrection of signal combiners using passive hybrid junction sample cancellation A circuit and method for adaptive precorrection of first signals applied to RF signal combiners of a broadcast signal transmitter provides a sample of the combined signal output of the RF combiner and a sample of a second signal to a hybrid so as to cance... | 03/12/2002 |
| 6347221 | Orthogonal modulator having a modulation mixer A modulation mixer includes a low cost circuit for reducing a carrier frequency leak. An orthogonal modulator including the modulation mixer may be formed on a single silicon substrate and does not need to be connected to an external transformer to suppre... | 02/12/2002 |
| 6327462 | System and method for dynamically varying operational parameters of an amplifier A wireless communications device uses an amplifier module to transmit signals. The amplifier module is configured to amplify a signal. The amplifier module includes an amplifier circuit and a control module. The control module is configured to vary the op... | 12/04/2001 |
| 6321072 | Distortion control feedback loop utilizing a non-linear transfer function generator to compensate for non-linearities in a transmitter circuit A transfer function generator provides the ability to provide a non-linear response in a feedback loop to compensate for non-linearities introduced elsewhere in the system. The transfer function generator includes a non-linear function generator configure... | 11/20/2001 |
| 6311046 | Linear amplification systems and methods using more than two constant length vectors An input signal of varying amplitude and varying phase is converted into more than two signals of constant amplitude and controlled phase. Each of the more than two signals of constant amplitude and controlled phase is then separately amplified in separat... | 10/30/2001 |
| 6304748 | Transmitter circuitry for a cellular phone A cellular phone for a mobile communications system includes a dual band transmitter which operates at a first radio frequency band and a second radio frequency band. The dual band transmitter includes two amplifiers. The first amplifier has a first input... | 10/16/2001 |
| 6292673 | Radio signal transmitter A signal including an RF signal and a code division multiple access signal is transmitted so that, in relation to both of the RF signal and the code division multiple access signal, a receiving end can obtain a signal having sufficiently larger power as c... | 09/18/2001 |
| 6275682 | RF signal transmitting device A radio frequency (RF) signal transmitting device adapted to transmit signals between a computer and a plurality of wireless peripheral equipment is developed. The RF signal transmitting device includes a plurality of RF signal transmitters and an RF sign... | 08/14/2001 |
| 6272326 | Distortion compensation address generator, distortion compensating circuit, and transmitter An address generator for compensating non-linear distortion of a transmitting amplifier according to this invention comprises transmission power calculation means for calculating transmission power based on transmission data, a comparator control circuit,... | 08/07/2001 |
| 6269090 | Telecommunication system, radio system, and method In known telecommunication systems comprising two separate radio systems each one using its own clock signal for defining its channels multiplexed in time, said radio systems cause too much interference with each other. By introducing a coupling between b... | 07/31/2001 |
| 6259901 | Radio-frequency power amplifier of mobile communication equipment A radio-frequency power amplifier of mobile communication equipment includes a differential amplifier arranged to balanced-input and amplify a radio-frequency signal delivered from a frequency converter of a transmission system of the mobile communication... | 07/10/2001 |
| 6253068 | Fully integrated all-CMOS AM transmitter with automatic antenna tuning A monolithic AM transmitter is disclosed. An external antenna forms part of a resonance network so that the antenna resonance point is automatically tuned to the transmit frequency. This provides flexibility with no added cost to the transmitter.... | 06/26/2001 |
| 6246863 | Avalanche transceiver An improved rescue device for locating persons buried by avalanches operates in either a transmit mode or a receive mode. A first belt terminator is lockably engagable with a first belt terminator receptor on a case, and is associated with a power switch.... | 06/12/2001 |
| 6240279 | Transmission power control apparatus and a radio communication apparatus including the transmission power control apparatus Two switches and a bypass line are provided to enable formation of a bypass route for transmitting a transmission signal bypassing a power amplifier. A configuration may be employed in which a first threshold value and a second threshold value that is a l... | 05/29/2001 |
| 6236841 | Transmission output power control circuit for controlling each of antennas to optimal states A transmission power control circuit includes a plurality of antennas, a plurality of reference voltages provided for the plurality of antennas, respectively, and an amplifier section for amplifying a transmission signal to produce a transmission output s... | 05/22/2001 |
| 6229995 | Power control device in radio transmitter A high efficiency power control device for a radio transmitter of a radio communication system is provided which reduces noise, current consumption and the generation of spurious signals. The transmitter has a drive amplifier, a power amplifier and a dupl... | 05/08/2001 |
| 6226500 | Portable radio communication apparatus The present invention aims at providing a portable radio communication apparatus in which forming of a message is easy. The portable radio communication apparatus is provided with a novel pre-message memory formed of a ROM or the like stored in which are ... | 05/01/2001 |
| 6223020 | Destination non-limiting bidirectional radio paging system and method The present invention relates to bidirectional radio paging systems and methods of paging without limiting destinations wherein at least one bidirectional radio pager and an uplink control device share a database containing information on a plurality of p... | 04/24/2001 |
| 6215980 | Apparatus and method for saving battery power of a paging receiver An apparatus and method for saving a battery of a paging receiver. The apparatus includes a paging terminal for sequentially assigning time slots by the unit of a POCSAG code, and generating the first batch following a preamble as a header batch with resp... | 04/10/2001 |
| 6208846 | Method and apparatus for enhancing transmitter circuit efficiency of mobile radio units by selectable switching of power amplifier A circuit that increases the efficiency of a radio frequency mobile telephone unit is disclosed. When the signal strength between the base station and the mobile unit is below a predetermined signal strength level, the power amplifier is turned on and the... | 03/27/2001 |
| 6178313 | Control of gain and power consumption in a power amplifier Gain control apparatus, and an associated method, for a radio transmitter, such as the radio transmitter forming a portion of a mobile station. Gain control is effectuated by controlling the level of bias current at which a power amplifier is biased. Sign... | 01/23/2001 |
| 6166643 | Method and apparatus for controlling the whereabouts of an animal An apparatus for controlling the whereabouts of an animal is affixed to the animal and selectively administers appropriate aversive stimuli effective to deter the animal from encroachment of boundaries in accordance with predetermined conditions based on ... | 12/26/2000 |
| 6163709 | Cellular phone with a logarithmic detector A transmitter for a cellular phone comprising an antenna and being operable at a first radio frequency band and a second radio frequency band is disclosed. In one embodiment, the transmitter includes a first power amplifier and a second power amplifier. T... | 12/19/2000 |
| 6163678 | Satellite packet terminal and method for transmitting packet data from the same To carry out smooth data communication even when a radio communication channel with a satellite is in a fault state, it is judged whether the radio communication channel is in a fault state or not, and packet data transmitted from a data terminal are stor... | 12/19/2000 |
| 6141541 | Method, device, phone and base station for providing envelope-following for variable envelope radio frequency signals A method (200) and device (100) provide an efficient linear power amplifier that generates a variable-envelope radio frequency RF signal. The method includes the steps of: A) using an efficient envelope-following unit to output a supply voltage in accorda... | 10/31/2000 |
| 6064308 | RF signaling system and system for controlling the whereabouts of animals using same An RF signaling system and system for controlling the whereabouts of animals utilizing same functions, in a preferred embodiment, by efficiently establishing well-defined electronic boundaries using small, battery powered transmitters transmitting constan... | 05/16/2000 |
| 6061550 | Radio transmitter In a radio transmitter, an amplifier, a resonator and an antenna together form an oscillation loop. The oscillating energy of the oscillation loop is efficiently emitted from the antenna as a radio wave. Most of the oscillation power of the oscillation lo... | 05/09/2000 |
| 6055418 | Computer program product configured to control modular transmission system components A computer program product is configured to control a modular transmission system having a control processor and at least N power amplifier modules, each having a controller submodule, wherein the system receives an input signal which may be a single carr... | 04/25/2000 |
| 6047168 | Device and method for radio transmitters The present invention relates to a device and a method in a transmitter stage in a radio transmitter for modulating and amplifying an information signal for further transmission through a radio channel. The transmitter stage in the radio transmitter compr... | 04/04/2000 |
| 6047163 | Miniature radio apparatus having loop antenna including human body A miniature radio apparatus for use in transmission or reception of electic waves has a pair of antenna terminals insulated from each other. The pair of antenna terminals are so formed as to be brought into contact with, or to be capacitively-coupled to, ... | 04/04/2000 |
| 6023290 | Display apparatus, audio-video navigation system, displaying method and car An audio-video navigation systems that permits performing a navigation while reproducing a disc, by displaying an operation status of the disc player and analyzed level of each frequency component of the signal are superimposed onto a map for navigation. ... | 02/08/2000 |
| 6023612 | Modular transmission system and method A modular broadband transmission system and method include an input signal connector that receives an input signal which is then divided into N parts and amplified with an amplifier have N power amplifier modules. Outputs of the N power amplifier modules ... | 02/08/2000 |
| 5995806 | Radio data transmitter and receiver A radio data transmitter includes radio switching circuit which is activated in response to first radio signal having a predetermined particular pattern, and a data transmitter unit. The data unit transmits a first radio signal include a carrier modulated... | 11/30/1999 |
| 5963849 | System for using a microphone in a baseball base A microphone and transmitter are mounted to a baseball base such that they do not interfere with the baseball game. The microphone senses audio data and the transmitter sends the audio data to a receiver. The receiver communicates the audio data to a mixe... | 10/05/1999 |
| 5960333 | Circuitry and method for power calibration A method and circuitry for improved output power level calibration/compensation/control is disclosed. A single RF detector diode is employed, to which a bias current is applied prior to applying a coupled amount of the transmitted radio frequency signal t... | 09/28/1999 |
| 5894497 | Reducing spurious modulation products in broadband multicarrier transmission by coherrent summation of the outputs of dissimilar digital-to analog device types The Spurious-Free Dynamic Range (SFDR) in a broadband digital radio transceiver is typically limited by the required digital-to-analog converter which introduces differential nonlinearities that cause harmonic distortion in intermodulation products. The i... | 04/13/1999 |
| 5893027 | Fully integrated two-way radio transmitter utilizing current mode transmit buffer and method of using same A wideband fully integrated two-way radio transmitter (100) includes a voltage controlled oscillator (VCO) (101) for providing a voltage at a radio frequency. A divider (103) is used reducing the radio frequency (RF) signal from the VCO to a an intermedia... | 04/06/1999 |
