Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5758266 | Multiple frequency communication device The dual band code division multiple access radio of the present invention operates on multiple frequencies simultaneously on either transmit or receive. The transmit path operates by splitting the transmit intermediate frequency (IF) path (103) and mixin... | 05/26/1998 |
| 5754957 | Method for performing a high speed automatic link transfer in a wireless personal communication system A method of implementing an improved automatic link transfer for high mobility use in a wireless personal communication system is provided. The method includes retuning a subscriber unit to a new radio port frequency, reading an access message and initiat... | 05/19/1998 |
| 5737703 | Multi-mode radio telephone which executes handover between different system A radio telephone automatically hands over a call from one radio telephone system to another radio telephone system. Communication with respective radio telephone systems may be simultaneously continued during handover until the handover is complete, or c... | 04/07/1998 |
| 5722074 | Soft handoff in a cellular telecommunications system A soft handoff in a cellular telecommunications system in which a user mobile station relays user communication radio signals via at least two base stations to and from a controlling mobile exchange connected to another system user. The relay of user info... | 02/24/1998 |
| 5711006 | System and method for addressing a release resource message A system and method for stopping call setup in a mobile telecommunication system having a home location register (HLR), a visiting mobile switching center (V-MSC) and a subscriber mobile station (MS). Upon determining that a call to the subscriber mobile ... | 01/20/1998 |
| 5664007 | Method and apparatus for providing continuation of a communication call across multiple networks A method and apparatus is disclosed for providing continuation of a communication call as a user moves from the coverage area of one communication network to the coverage area of another communication network having different access media and different ap... | 09/02/1997 |
| 5594781 | Mobile telephone connection transfer A method for transferring an active connection between a mobile telephone handset and a first mobile telephone system to a second mobile telephone system, which includes the steps of detecting that signal strength of the active connection has fallen below... | 01/14/1997 |
| 5574983 | Base station device and mobile station device in mobile communication system utilizing the site diversity effect in soft handover state A base station and a mobile station in a mobile communication system capable of reducing interference among mobile stations and increasing a subscriber capacity of the system. The base station has a unit for measuring a measurement value for at least one ... | 11/12/1996 |
| 5561844 | Minimization of facsimile data loss during cellular handover A method is disclosed of reducing data loss during cellular handoff of a mobile among base sites by detecting an end-of-line signal by a fax adapter (13a or 106a) from the transmitting fax, buffering (13b or 106b) subsequent fax information, and transmitt... | 10/01/1996 |
| 5548808 | Method for performing a handoff in a communication system The power of a first signal is measured and is compared with a threshold. If the first signal power meets a handoff threshold, the system enters the handoff procedure. Once in the handoff procedure, estimates of a first signal quality a signal would have,... | 08/20/1996 |
| 5504935 | Mobile communication network having path selection means for selecting a communication path The invention concerns a mobile communication network (MCN) having communication paths (DCMRN, FBS, LE or ICMRN, RS, GCFN/GCRN, FBS, LE) between any one of mobile terminals (MT) and a fixed telecommunication network (FTN). Each communication path (DCMRN, ... | 04/02/1996 |
| 5483668 | Method and apparatus providing handoff of a mobile station between base stations using parallel communication links established with different time slots The soft handover of a channel or a base station according to the invention functions especially well in a TDMA system with a high TDMA milo. For the time of preparation of handover parallel physical links are formed between the mobile station (MS) and tw... | 01/09/1996 |
| 5438565 | Packet switch to provide code division, multiple access cellular service A system for relaying CDMA packetized data from a cell site or sites to a destination speech processor. The CDMA packetized data, is received at the cell site and is sent in its packetized form along with a destination address to a packet switch. A packet... | 08/01/1995 |
| 5434854 | System for communicating digital cellular data between a cell site and a switching system or another cell site A system and method for delivering packetized data representing radio signals to and from cell sites, and to and from a destination point via a fast packet network. Each cell site includes an interface for packetizing the radio signals and transmitting th... | 07/18/1995 |
| 5432842 | Mobile communication switching across cell boundaries With respect to a mobile communication system, intelligence learns a cell boundary where the field strength of adjacent base stations becomes equal, by measuring field strength of communications, and from this data determined and stored over a period of t... | 07/11/1995 |
| 5420863 | Mobile communication system with cell-site switching for intra-cell handoff In a TDMA cellular mobile communication system, incoming signals from the public switched network are converted by speech coder/data compressor units of a MTSO (mobile telephone switching office) to low-bit-rate signals and combined into a first TDM signa... | 05/30/1995 |
| 5416797 | System and method for generating signal waveforms in a CDMA cellular telephone system A system and method for communicating information signals using spread spectrum communication techniques. PN sequences are constructed that provide orthogonality between the users so that mutual interference will be reduced, allowing higher capacity and b... | 05/16/1995 |
| 5408517 | Method and apparatus for handoff synchronization A communication system (100) comprises a central controller (102), a plurality of base stations (104 and 106) coupled indirectly via the central controller and using radio frequency waves to communicate to communication unit(s), one of the base stations b... | 04/18/1995 |
| 5392331 | Method and apparatus for performing a hand-off in a wireless communication system A method and apparatus in a digital wireless communication system (100) controls an inter-cell hand-off. First and second fixed units (102) receive a common synchronization signal from a controller (104), and a first wireless link is established between t... | 02/21/1995 |
| 5371738 | Wireless local area network system with mobile station handover A local area network system (10) includes a wired backbone LAN (12) having a plurality of LAN segments (14, 16, 18) interconnected by transparent bridges (26, 44). A plurality of base stations (22, 52) are capable, of communicating with a mobile wireless ... | 12/06/1994 |
| 5327577 | Handover method for mobile radio system The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station (MS1, MS2) is handed over from at least a first base station transmitter (Bma, ... | 07/05/1994 |
| 5323446 | Digital cellular switching system with means for securing uninterrupted data transparency during handoffs In a cellular communications system, the quality of a signal transmitted over a first two-way connection from a mobile station via a first base station is compared with a threshold to determine whether a handoff is to be performed to a second, adjacent ba... | 06/21/1994 |
| 5278892 | Mobile telephone system call processing arrangement A CDMA cellular radio-telephone system (FIG. 2) comprises a packet-switched communications network (202, 207, 201) that interconnects cells (base stations; 202) with each other and with the public telephone network (100). A unique combination of a static ... | 01/11/1994 |
| 5267261 | Mobile station assisted soft handoff in a CDMA cellular communications system In a code division multiple access (CDMA) spread spectrum cellular communication system in which a mobile station user communicates with another system user via at least one base station, wherein each base station transmits a common pilot signal of a diff... | 11/30/1993 |
| 5265263 | Handover techniques In a cellular radio system including a plurality of cells (e.g. cell sectors or micro cells) (4, 5, 8, 9, 10, 11) each normally using a respective channel for interference reduction purposes, a number of the cells are arranged in groups (6) and in the eve... | 11/23/1993 |
| 5195091 | Adaptive synchronization arrangement A CDMA cellular radio-telephone system (FIG. 2) has switching systems (201) synchronized to public telephone network (100) timing signals (600), and radio telephones (203) and cell base stations (202) synchronized to a different clock (1000). Transmission... | 03/16/1993 |
| 5184347 | Adaptive synchronization arrangement A CDMA cellular radio-telephone system (FIG. 2) has switching systems (201) synchronized to public telephone network (100) timing signals (600), and radio telephones (203) and cell base stations (202) synchronized to different clock (1000). Transmission d... | 02/02/1993 |
| 5109528 | Handover method for mobile radio system The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station is handed over from a first base station transmitter to a second base station transmitter. In this method, the s... | 04/28/1992 |
| 5101501 | Method and system for providing a soft handoff in communications in a CDMA cellular telephone system In a cellular telephone system a system for directing communications between a mobile user and cell-sites as a mobile user changes cell-site service areas. The mobile user includes an apparatus for, while in communication with another system user via one ... | 03/31/1992 |
