Input circuit comprising at least two input paths
The object underlying the invention is to take measures in an input circuit for a combined UHF and VHF tuner including at least two alternatively actuatable input paths, one of which is a UHF selectio... Read More
Inventors: Heigl, Franz; Rehm, Josef;, Assignee: Telefunken electronic GmbH (Heilbronn, DE) |
X-ray examination apparatus
We claim as our invention: 1. An x-ray apparatus comprising: an x-ray radiator and an X-ray image intensifier disposed to receive x-rays from said x-ray radiator, said x-ray radiator and said x-ray im... Read More
Inventors: Schweichler, Gerd; Meyer, Michael;, Assignee: Siemens Aktiengesellschaft (Munich) |
Counterbalance assembly for diagnostic imaging equipment
In accordance with the present invention, a counterbalance assembly for supporting diagnostic imaging equipment is provided which includes an arm pivotally secured at opposite ends to a base member an... Read More
Inventors: Negrelli, Donald E.; Kolbfleisch, Donald E.; Szpak, Anthony D.;, Assignee: Picker International, Inc. (Highland Heights, OH) |
Mobile radiography alignment device
It is an aim of the present invention to approach the image quality of fixed x-ray apparatus using mobile x-ray equipment. In accomplishing that aim, it is an object of the present invention to allow ... Read More
Inventors: MacMahon, Heber;, Assignee: University of Chicago (Chicago, IL) |
Environmentally sensitive transmit power maximizing circuitry and method
I claim: 1. Environmentally sensitive transmit power maximizing circuitry for use in a transmitter designed for periods of extended use, said circuitry comprising: a. power amplifying means forming a ... Read More
Inventors: Fedde, Chris Steven;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Programmable RF power regulator (stabilizer)
This invention comprises regulator circuitry for controlling the output of an RF generator according to a programmable input signal. The power stage of the system is responsive to the selected value o... Read More
Inventors: Quick, Donald L.;, Assignee: The Perkin-Elmer Corp. (Norwalk, CT) |
Speech control circuit
It is an object, therefore, of the present invention to overcome the disadvantages of a prior speech control circuit by providing a new speech control circuit. It is also an object of the present inve... Read More
Inventors: Mitani, Tokiyoshi;, Assignee: OKI Electric Industry Co., Ltd. (Tokyo, JP) |
Modulated signal transmitting apparatus
A modulated signal transmitting apparatus according to this invention comprises: a control signal output means for receiving a modulated signal which is generated by modulating a carrier signal with a... Read More
Inventors: Koinuma, Hiroshi; Terashima, Hiroshi;, Assignee: Pioneer Electronic Corporation (Tokyo, JP) |
Prevention of chill haze in beer
I claim: 1. A method for treating beer to prevent chill haze comprising the steps of: (a) contacting said beer with a combination of 1 to 80 pbw of partially hydrophobic adsorbent and 100 pbw of a sil... Read More
Inventors: Sobus, Michael T.;, Assignee: PQ Corporation (Valley Forge, PA) |
Device for allowing the use in an aircraft of radio communication means
The object of the present invention is to remedy these drawbacks. It relates to a device for allowing the use in a simple and risk-free manner, in an aircraft of at least one personal means of radio c... Read More
Inventors: Lemozit, Christian; Corbefin, Rene;, Assignee: Societe National Industrielle et Aerospatiale (Paris, FR) |
Call routing in a radio system
OF THE INVENTION The invention can be applied in connection with any mobile communications system. As an example, the invention is described below in more detail primarily in connection with the digi... Read More
Inventors: Sinivaara, Hasse; Haakana, Esa; Tossavainen, Teppo;, Assignee: Nokia Corporation (Espoo, FI) |
Electronic switches and switch networks
It is an object of the present invention to overcome the above-mentioned drawbacks of the known monolithic circuits. It is a more specific object of the invention to provide an electronic switching de... Read More
Inventors: Bachle, Erich; Kliem, Helmut; Rall, Bernhard;, Assignee: Licentia Patent-Verwaltungs-GmbH (Frankfurt am Main, DT) |
Method of combining signals in a telephone conference circuit
OF THE DRAWINGS FIG. 1 is a functional diagram of an adder of the type that may be used in the present invention. FIG. 2 is a functional diagram of the mapping sequence of adders in a six member conf... Read More
Inventors: Dayner, David; Lacker, Ginny; Hirsohn, Paul; Bell, Karen; Paffenroth, Darryl; Jackson, Allen; Hochman, David;, Assignee: Harris Corporation (Melbourne, FL) |
Frame construction for a plural page document
What is claimed is: 1. A picture-like frame construction exhibiting a plural page document comprising a plural page document, a back support for supporting said frame construction in a substantially v... Read More
Inventors: Candor, James T.;, Assignee: |
Systems for and methods for PBX toll restriction
In view of these and other objects, the instant invention contemplates a toll restriction system for use with PBXs, which are connected to a central office switching network, wherein telephone lines c... Read More
Inventors: Altenburger, Otto;, Assignee: Stromberg-Carlson Corporation (Rochester, NY) |
Method for speaker recognition in a telephone switching system
An object of the present invention is to provide a method of the type initially cited that reduces the computational requirement for the speaker recognition. This object is inventively achieved in tha... Read More
Inventors: Vollert, Emmeran; Humpert, Goerg;, Assignee: Siemens Aktiengesellschaft (Munich, DE) |
Miniature fluid-controlled switch
This invention relates to a fluid-controlled switch capable of switching various type signals such as electrical, electromagnetic, fluid, or optical signals, or any combination and multiplicity of the... Read More
Inventors: Graf, Ronald E.;, Assignee: |
Method for transferring a data signal in a wireless communications system
OF THE PREFERRED EMBODIMENT Stated generally, a method for providing a hard handoff of a CDMA data signal associated with a mobile communication unit between a source and target system in a wireless ... Read More
Inventors: Bhalla, Rajesh; Milton, Lewis J.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for performing local traffic measurements in a cellular telephone network
The present invention comprises a method and apparatus for measuring cellular telephone traffic volume in a proposed micro-cell site. In a first embodiment of the present invention, a receiver is loca... Read More
Inventors: Johansson, .ANG.ke;, Assignee: Telefonaktiebolaget L M Ericsson (publ) (Stockholm, SE) |
Method for controlling channel re-selection from a selected control channel to an alternative control channel
In accordance with the present invention a mobile station performs a method for controlling the re-selection of a control channel. In that method the mobile station, prior to performing any algorithm ... Read More
Inventors: Moore, Michael P.;, Assignee: AT&T Wireless Services, Inc. (Redmond, WA) |
Selective carrier denial for mobile subscribers
A telecommunications system and method for selective carrier denial provides an operator of a Public Land Mobile Network (PLMN) the ability to restrict or inhibit certain carrier-handled calls from a ... Read More
Inventors: Boltz, David; Alperovich, Vladimir; Valentine, Eric; Patel, Mahesh; Joensuu, Erkki;, Assignee: Ericsson Inc. (Research Triangle Park, NC) |
Direct conversion receiver with wide band analog frequency conversion front end and digital demodulating and selecting back end
OF THE INVENTION [First Embodiment] Referring now to FIG. 1, a receiver is constructed from an antenna 10, a quadrature demodulator 11, low-pass filters 15a and 15b, a quadrature modulator 16, an A/D... Read More
Inventors: Tsurumi, Hiroshi; Yoshida, Hiroshi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Method of combining cell streams in a radio communications system
OF THE DRAWINGS FIG. 1 shows a radio communications system 10, which comprises a number of base station controllers (BSCs) of which two are shown as BSCs 11 and 12, each controlling a number of base ... Read More
Inventors: Freeburg, Thomas A.; Grossman, Daniel B.; Odlyzko, Paul;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Parallel optimization of wireless networks
OF THE INVENTION FIG. 3 illustrates a cluster or portion of a wireless network where signal markers are used to optimize network performance. Base stations 10, 12, 14, 16, 18, 20 and 22 are illustrat... Read More
Inventors: Di Huo, David; Pittampalli, Eshwar;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Apparatus and method for message routing using disparate communications networks
What is claimed is: 1. A method for establishing a communications path between first and second subscriber units, wherein said first subscriber unit is interfaced to a first communications network and... Read More
Inventors: Stinson, Michael Keith;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for variable and fixed forward link rate control in a mobile radio communications system
The present invention is directed to a method and apparatus for controlling a data rate associated with the transmission of information from a base station to a mobile station in a mobile radio commun... Read More
Inventors: Esteves, Eduardo A. S.; Pankaj, Rajesh; Black, Peter J.; Grob, Matthew S.; Sindhushayana, Nagabhushana T.;, Assignee: Qualcomm Inc. (San Diego, CA) |
Mobile communication system with cell site selection for dispersion of traffic
It is therefore an object of the present invention to provide a cellular mobile communication system capable of dispersing traffic over cell sites to prevent concentration of traffic in one or more pa... Read More
Inventors: Takayama, Yoshikazu;, Assignee: NEC Corporation (Tokyo, JP) |
Method for dynamically assigning priority to a call
This need and others are substantially met by giving a network entity control of assigning priority as well as the ability to monitor a call's progress within a particular cell and/or across multiple ... Read More
Inventors: Erickson, Paul M.; Drozt, Peter M.; Lubin, Glenn K.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Radio transmitter location finding in CDMA wireless communication systems
Although the following detailed description contains many specifics for the purposes of illustration, anyone of ordinary skill in the art will appreciate that many variations and alterations to the f... Read More
Inventors: Wax, Mati; Hilsenrath, Oliver; Bar, Abraham;, Assignee: U.S. Wireless Corporation (San Ramon, CA) |
System and method for adaptively modifying base station transceiver resources for time of arrival measurements
The present invention is directed to a system and method for efficiently utilizing Base Transceiver Stations--resources when the BTSs are employed in time of arrival (TOA) measurements as is common in... Read More
Inventors: Kingdon, Christopher H.; Holmring, Andres Thomas; Zadeh, Bagher Rouhollah;, Assignee: Ericsson Inc (Research Triangle Park, NC) |
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