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 |
| 5170413 | Control strategy for reuse system assignments and handoff Disclosed is a method of selecting a relatively high reliability signal path between a mobile communication unit and a number of possible base sites.... | 12/08/1992 |
| 5168510 | Spread spectrum-time diversity communications systems and transceivers for multidrop area networks Messages are transmitted on pairs of frequencies that are orthogonal, that is the frequencies have no least common denominator (are prime to each other). A message is transmitted on the first of the pair of frequencies and, simultaneously, its complement ... | 12/01/1992 |
| 5134633 | Digital communications synchronization scheme A synchronization scheme for use in digital communications systems selectively replaces data-representative symbols that would ordinarily be transmitted through a plurality of communications channels with associated replacement symbols that represent the ... | 07/28/1992 |
| 5131007 | Digital voter for multiple site PST R trunking system A digital voter system for a multi-site public service trunking (PST) digitally trunked RF communications system operates on the principle that it is highly likely that messages received during a system redundancy removal period are redundant messages. Fo... | 07/14/1992 |
| 5121711 | Wireless control of animals In one embodiment of a wireless method of animal control, using animal borne wireless receivers and warning devices, the animal is warned to remain within a lobe of the transmitter station. The lobe is readily moved to facilitate herding and rotational gr... | 06/16/1992 |
| 5121408 | Synchronization for entry to a network in a frequency hopping communication system Synchronization of a frequency hopping transceiver to a network by embedding synchronization codes in the pseudo-random frequency hopping transmission sequence. A receiver is implemented with a frequency detector and a correlator to generate a correlator ... | 06/09/1992 |
| 5115449 | Data networks A LAN or other data network includes at least first and second repeater units for receiving data signals and repeating them to other parts of the data network and a transceiver unit for transmitting and receiving data which is connected to the first repea... | 05/19/1992 |
| 5113443 | Method for scrambling satellite communications A secure communications system multiplexes segments of the information signal for keyed encoding and modulation onto a plurality of different carrier frequencies and/or polarizations, and transmits the encoded carriers to multi-channel signal summing rece... | 05/12/1992 |
| 5113413 | Voter arrangement for multiple site PST RF trunking system A digital voter system for a multiple site digitally trunked RF communications system includes an improved voting arrangement which tests for actual redundancy before removing redundant messages--thereby decreasing retransmission traffic in simulcast and ... | 05/12/1992 |
| 5109390 | Diversity receiver in a CDMA cellular telephone system A spread spectrum receiver subsystem for utilization in a CDMA cellular telephone having a searcher receiver for scanning the time domain so as to use the PN processing gain and time discrimination properties of spread spectrum coding to determine the loc... | 04/28/1992 |
| 5097484 | Diversity transmission and reception method and equipment In an antenna-selection diversity transmission and reception equipment which is in digital communication with a transmission and reception equipment having a single antenna, and performs transmission and reception with time division by using the same radi... | 03/17/1992 |
| 5088113 | Diversity coded modulation In a wireless local area network, predetermined interference-detection sequences of signal points, known at both the transmitter and receiver, are transmitted over a plurality of hopping frequencies along with a sequence of data signal points taken from a... | 02/11/1992 |
| 5056112 | Interleaving in coded modulation for mobile radio Interleavers used in fading channel applications can be matched to a particular trellis or block code being used. This matching can occur even in a particular transmission scheme such as TDMA. Matching both the interleaver and the code increases the separ... | 10/08/1991 |
| 5051979 | Method and apparatus for errorless switching Errorless switching of digital signals from a service channel is achieved even to an alternate channel, when the signals have a format in which the payload can float within the frame or in which the overhead bytes of the service channel may be different f... | 09/24/1991 |
| 5048057 | Wireless local area network In a wireless local area network, predetermined interference-detection sequences of signal points, known at both the transmitter and receiver, are transmitted over a plurality of hopping frequencies along with a sequence of data signal points taken from a... | 09/10/1991 |
| 5046066 | Wireless local area network A local area network permits wireless transfer of digitized data among data processing machines in the interior of a building. The network includes a base station which may commonly be associated with shared network resources such as a host computer, prin... | 09/03/1991 |
| 5034966 | Redundant and fault tolerant communication link A multiplexor system includes a transmitter (11) and receiver (13) with a communication link (12) interconnecting therebetween. One embodiment includes at least two communication links (12) transmitting identical information therealong producing a redunda... | 07/23/1991 |
| 5029184 | Low probability of intercept communication system A low probability of intercept communication system (CCSK)--modulates information signals onto an inverse fast Fourier transformation of a large number of simultaneous frequencies that have been determined to be reasonably `quiet` within a given system ba... | 07/02/1991 |
| 5012489 | Method for sending a plurality of data channels over a single communications line A method for communicating with a plurality of hosts connected to an X.25 network and for selectably using a character as a control character or a data character. Each character received from the X.25 network is inspected to determine if it is one of a se... | 04/30/1991 |
| 5007067 | Diversity coding for transparent self-healing communications networks This invention is a technique for the substantially instantaneous self-healing of digital communications networks. Digital data streams from each of N nearby sources are combined and encoded to produce N+M coded data streams using a coding algorithm. The ... | 04/09/1991 |
| 4908839 | Channel switching system In a digital radio communication system using at least two regular channel and two or more standby channels for transmitting a test signal therethrough in the standby condition thereby permitting the regular channel to be synchronously switched to one of ... | 03/13/1990 |
| 4881245 | Improved signalling method and apparatus A communication signalling system containing a control unit receiving input data from one source and a reference signal from another source, a modulator receiving an input from the control unit, and a plurality of tones from a separate source, the phase o... | 11/14/1989 |
| 4868851 | Signal processing apparatus and method Apparatus and method for processing a common digital signal received at plural receivers in which each received signal is validated and aligned in time with the other signals. A single output signal is generated from the received signals using a voting sc... | 09/19/1989 |
| 4856025 | Method of digital signal transmission A modulation method capable of high-speed or high-quality digital data transmission under a multipath fading transmission line such as a radio transmission in an urban area is a type of differential coding phase modulation and residues in the fact that th... | 08/08/1989 |
| 4849990 | Digital communication system The present invention provides two branches of a base station transmitter and a base station receiver, respectively, and inserts a delay circuit for ensuring a delay time difference between D and U waves required to obtain the best bit error rate for a DS... | 07/18/1989 |
| 4837786 | Technique for mitigating rain fading in a satellite communications system using quadrature phase shift keying A system for data communication between ground stations using an orbiting satellite as a relay includes a technique for avoiding the loss of signals from the satellite during periods of heavy precipitation. Data is communicated from an orbiting satellite ... | 06/06/1989 |
| 4811359 | Protection channel monitoring system using a check signal comprising two different N-bit code patterns sequentially arranged at random A protection channel monitoring system for monitoring a protection channel in a digital communication network comprises a transmitter (31) transmitting a check signal converted and split into a plurality of AMI code signals through the protection channel.... | 03/07/1989 |
| 4799237 | Channel-system exchange system for digital data radio-communication system A channel-system exchange system for exchanging a channel-system between a main radio-communication channel system and a standby radio-communication channel system without loss of any data and with a high speed, regardless of a phase difference and/or pat... | 01/17/1989 |
| 4797903 | Channel switching system without instantaneous signal loss A channel switching system without an instantaneous signal loss in a data communication system such as a digital microwave multiple radio communication system. The channel switching system includes a control unit for generating a switching control signal ... | 01/10/1989 |
| 4780885 | Frequency management system A high frequency (HF) frequency-management system for automatically selecting optimum HF frequency. A frequency management means controls the operation of a regular HF radio communications transmitter and receiver at each station. The frequency-management... | 10/25/1988 |
| 4773081 | Channel switching system A channel switching system includes a synchronizing switch circuit including: two converters for monitoring input data signals respectively supplied through a regular channel and a stand-by channel, and when continuation of a predetermined number of bits ... | 09/20/1988 |
| 4769825 | Communications transmission system for electromagnetic waves A communication transmission system for electromagnetic waves comprising a transmitter, transmitting and receiving antenna with a radio link hop therebetween and a receiver having an associated diversity receiver. When there is no access to energy supply,... | 09/06/1988 |
| 4769809 | Method of and circuit arrangement for through-switching broadband digital signals without phase jump in a synchronous broadband communication network Broadband digital signals in a broadband communication network asynchronously operated space-division-multplex switching networks are arranged in the nodes. This asynchronous operating mode of the space-division-multiplex switching networks requires, in c... | 09/06/1988 |
| 4766599 | Communication system with variably repeated transmission of data blocks In a communication system, the intensity and/or signal-to-noise ratio of a radio frequency signal received from a distant station is detected and a series of copies of the same data is generated. To improve the transmission efficiency under favorable cond... | 08/23/1988 |
| 4756009 | Method for transmitting digital data A method for transmitting digital data wherein the data are transmitted in several transmission sections (I-IV) which in each case contain several symbols (1-6). In the transmitter, the phase of a carrier wave is modulated by n different phase angles and ... | 07/05/1988 |
| 4710944 | Dual transmit-receive space diversity communication system A transmit/receive space diversity system communicates between transmitter-receivers at two separate sites. Each site has at least two antennas. Each antenna at a first one of the sites transmits a pilot signal, at differing frequencies. At the second or ... | 12/01/1987 |
| 4680776 | Protection switching system for carrier transmission line A line protection switching system of improved reliability decreases the time for protection line switching. In order to increase reliability, service signals are sent in parallel via a plurality of transmission lines, using a service bit area of PCM bit ... | 07/14/1987 |
| 4663768 | Diversity system of selection type equipped with a code correction/switch circuit for receiving a PSK or QAM wave carrying differentially encoded signal A diversity system of the selection type for correcting phase ambiguities among a plurality of differentially encoded digital signals while retaining the digital encoding of those signals. With this system, no differential decoding/encoding means are need... | 05/05/1987 |
| 4656645 | Radio communication system A radio communication system comprises transmitting and receiving stations, a plurality of transmission channels comprising regular and spare channels linking the stations, and a channel monitor for monitoring the status of the respective channels. When t... | 04/07/1987 |
| 4641318 | Method for improving the reliability of data transmission over Rayleigh fading channels A method and apparatus for reducing the bit error probability of data transmitted over a Rayleigh fading channel are disclosed. A relatively high bit rate serial stream of data is divided into N parallel relatively low bit rate streams of data. A controlled am... | 02/03/1987 |
