Power insertable polyamide-imide coated magnet wire
We claim: 1. A lubricated magnet wire comprising an electrically conducting substrate having an electrically insulating polyamide-imide outer coating, and an external lubricant coating on the polyamid... Read More
Inventors: Saunders, Hollis S.; Carmer, Richard V.; Payette, Lionel J.;, Assignee: Essex Group, Inc. (Ft. Wayne, IN) |
Method for producing a fluorine-containing amorphous semiconductor
The present invention aims at the production of amorphous semiconductors, such as amorphous silicon having high thermal stability, that is high heat resistance by containing fluorine in an amorphous s... Read More
Inventors: Matsumura, Hideki;, Assignee: Tokyo Institute of Technology (Tokyo, JP) |
Telecommunication system and method for handling special number calls having geographic sensitivity
A telecommunication system for handling special number, or abbreviated number calls in a telecommunication network. The telecommunication network includes an array of switches, junctions, communicatio... Read More
Inventors: Antonucci, James T.; Barnier, Brian Glen; Ciesla, Lawrence W.; Kroupa, Douglas Craig; Sherry, Robert Allen; Ziemann, Donald Robert;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
System for providing expanded emergency service communication in a telecommunication network
A system for providing expanded emergency service communication in a telecommunication network is disclosed. The telecommunication network includes an array of switches, junctions, communication chann... Read More
Inventors: Antonucci, James T.; Barnier, Brian Glen; Ciesla, Lawrence W.; Kroupa, Douglas Craig; Sherry, Robert Allen; Ziemann, Donald Robert;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Method and apparatus for initiating parallel connections to identified plural sites
What is claimed is: 1. A method for routing a communication to a party who may be located at any one of plural sites, the method comprising the steps of: (a) receiving a communication for the party at... Read More
Inventors: Hochman, David Charles; Ukeno, Richard;, Assignee: Harris Corporation (Melbourne, FL) |
Packet mode telecommunications method and system in which calls can be handed over from one path to another
The invention addresses those drawbacks. In the transmitter cells or packets intended for the second path are transmitted only after the last cell or packet intended for the first path has been transm... Read More
Inventors: Calot, Guillaume; Denis, Xavier; Farineau, Jean; Duros, Bertrand; Bousquet, Jacques; Sehier, Philippe; Al-Abedeen, Tarif Zein; Peligry, Yves;, Assignee: Alcatel (Paris, FR) |
Machine tool with tool selection and work sequence determination
An object of the present invention is to eliminate the disadvantages in the prior art as described above. Another object of the present invention is a machine tool in which a preworking step is determ... Read More
Inventors: Asakura, Koichi;, Assignee: Brother Kogyo Kabushiki Kaisha (Nagoya, JP) |
Fiber optic device for correcting image tilt or curvature in a spectrogram
It is a primary object of the present invention to provide means for correcting the image tilt or curvature in a spectrogram. Another object of the invention is to provide an arrangement, including a ... Read More
Inventors: Norris, David D.; Giffin, Charles E.;, Assignee: California Institute of Technology (Pasadena, CA) |
Coinless telephone reinforcing plate
The present invention relates to a reinforcement device and method for a telephone station, such as a coinless or credit card station (i.e. charge-a-call stations), and, more particularly, to an inter... Read More
Inventors: Vogl, Allen W.; Buron, Douglas J.;, Assignee: International Teleservice Corporation (Melbourne, FL) |
Communication switching system
The system of FIG. 1 provides for secure hi-directional communication between a Utility Controller 70 and a Telemetry Interface Unit (TIU) 30 of Customer Premises Equipment 60. The illustrative Utili... Read More
Inventors: Garland, Stuart M.;, Assignee: |
Armored cord handset
In accordance with the principles of the present invention, the above and other objectives are realized in the combination of an armored cord and telephone handset by utilizing a resilient member or m... Read More
Inventors: Brancati, Rudolf P.;, Assignee: Nynex Corporation (New York, NY) |
4-Alkylthio-2-trifluoromethylalkanesulfonanilides and derivatives thereof
OF THE INVENTION This invention relates to compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl groups containing from 1 to 4 carbon atoms and n is 0-2, provided that... Read More
Inventors: Ruffing, Sharon L.; Burg, Wallace E.; Mikhail, Ezzat A.;, Assignee: Minnesota Mining and Manufacturing Co. (Saint Paul, MN) |
Herbicidal 4-trifluoromethyl-3'-substituted amine-4'-nitro diphenyl ethers
I claim: 1. A compound of the formula ##STR4## wherein X is a hydrogen, fluoro, chloro, bromo, trifluoromethyl or cyano group; Y is a hydrogen, fluoro, chloro or bromo atom; and Z is NH--R.sub.1 -R.su... Read More
Inventors: Swithenbank, Colin;, Assignee: Rohm and Haas Company (Philadelphia, PA) |
Radio receiver having a preselection circuit tuned by a varactor with a variable limiter threshold circuit to attenuate large amplitude signals
What is claimed is: 1. A circuit for a radio receiver having an intermediate frequency amplifier, said circuit comprising a control stage having an input means for receiving an input signal; a varacto... Read More
Inventors: van Dijkum, Adalbertus Hermanus Jacobus Nieveen; Kropman, Johannes Gerardus Albertus;, Assignee: U.S. Philips Corporation (New York, NY) |
RF Generator monitor circuit
An RF generator monitor circuit is provided for checking for variation in frequency of an RF generator outside predetermined limits. The circuit includes means for sampling the output of an RF generat... Read More
Inventors: Farmer, Jr., Felta C.;, Assignee: RCA Corporation (New York, NY) |
Method of and apparatus for converting a plural-bit digital signal to a pulse width modulated signal
In accordance with the present invention, a method of and apparatus for converting a plural-bit digital signal to an analog level corresponding to the value of the digital signal is comprised of gener... Read More
Inventors: Mogi, Takao; Taki, Akira; Yamazaki, Hiroshi;, Assignee: Sony Corporation (Tokyo, JA) |
Single voltage controlled oscillator modem
A modem is provided for transmitting data at a transmitting frequency and receiving data at a receiving frequency, where the transmitting frequency and the receiving frequency are different, the modem... Read More
Inventors: Bowman, George A.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
CVSD Transmission with improved intelligibility of voice signals
A voice signal in electrical analog form is differentiated, clipped, integrated and applied to a CVSD modulator.... Read More
Inventors: Backof, Jr., Charles A.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Device for recognition of binary words
To this end, the present invention relates to a device for the recognition of binary locking words in a digital train, which comprises means adapted to identify a first part of the locking words, mean... Read More
Inventors: Guichard, Jean-Louis V.;, Assignee: Societe Anonyme de Telecommunications (FR) |
Cooling apparatus for electric arc furnace electrodes
The present invention is intended to solve the above-mentioned problems by means of reducing electrode temperature rise by forcibly cooling the surface of graphite electrodes exposed to the outside of... Read More
Inventors: Udo, Eigi;, Assignee: Nikko Industry Co., Ltd. (Kobe, JP) |
Digital serial interface with encode logic for transmission
In accordance with the above and other objects of the invention, there is provided an interface having hardware circuitry for encoding the outgoing electronic signals representing data and for transmi... Read More
Inventors: Goss, Gary J.; Moles, Robert G. H.; Hinrichs, Randall D.; Holtey, Thomas O.;, Assignee: Honeywell Information Systems Inc. (Waltham, MA) |
Digital phase-locked loop clock extractor for bipolar signals
In accordance with the present invention, a digital clock extractor for bipolar signals is provided which comprises at least one shift register supplied with a bipolar signal input received and sample... Read More
Inventors: Raucci, Michele;, Assignee: Siemens Telecommunicazioni, S.p.A. (Milan, IT) |
Method for manufacture of vanadium dioxide polyconductors
What is claimed is: 1. A method for the production of a polyconducting device comprising vanadium dioxide in a binder by the steps comprising: a. admixing, (1) a member selected from the group consist... Read More
Inventors: Kahn, David; Geckle, Raymond James;, Assignee: AMP Incorported (Harrisburg, PA) |
Recording waveform for mark-length modulation optical recording
An object of the present invention is to provide an information recording method which is essentially immune to the problems of the prior art described above and which allows the phase change to occur... Read More
Inventors: Terao, Motoyasu; Nishida, Tetsuya; Yasuoka, Hiroshi; Andoo, Keikichi; Ohta, Norio;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Method and system for generating a power control command in a wireless communication system
OF THE INVENTION With reference now to the figures, and in particular with reference to FIG. 3, there is depicted a high-level block diagram of the system for generating a power control command to co... Read More
Inventors: Ahmed, Mansoor; Jalloul, Louay; Rohani, Kamyar;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for supervising the accessing and testing of communication systems
OF THE PREFERRED EMBODIMENT As shown in FIG. 1, a complete system for maintenance and testing of communication lines comprises a supervisor unit 2, a test trunk access (TTA) unit 4 and a testing unit... Read More
Inventors: Olek, David J.;, Assignee: TII Computer Systems, Inc. (Copiague, NY) |
System for transmission over a repeaterless optical fiber line, with remote and local amplification
The system known in the state of the art (FIG. 1) and the system of the invention (FIG. 2) each comprise an optical fiber line 1 enabling an emitter 2 to be connected to a receiver terminal 3, 3'. Th... Read More
Inventors: Marcerou, Jean-Francois; Blondel, Jean-Pierre; Gabla, Paul;, Assignee: Alcatel Submarcom (Clichy Cedex, FR) |
Wavelength-division-multiplexing optical amplifier
To solve these problems in the prior art, an object of the present invention is to provide a wavelength division-multiplexing (WDM) optical amplifier capable of optimizing the output level of each opt... Read More
Inventors: Yamane, Kazuo; Shima, Michikazu; Kawasaki, Yumiko; Tagawa, Kenji; Inagaki, Shinya; Shukunami, Norifumi;, Assignee: Fujitsu Limited (Kanagawa, JP) |
Method of servo-controlling the instant of regeneration in a digital transmission in which a carrier is modulated along two axes in quadrature, and apparatus for implementing the method
The invention consists in minimizing asymmetry between the instants of regeneration on the X and the Y paths. The method of the invention thus aims at ensuring that the servo-controlled path (e.g. Y)... Read More
Inventors: De Luca, Olivier;, Assignee: Alcatel N.V. (Amsterdam, NL) |
Apparatus for interfacing mobile switching center(MSC) with base station controller(BSC) of CDMA mobile system
The present invention provides CDMA mobile switching center for interfacing the base station controller and the interface between the base station controllers which is built in the mobile switching ce... Read More
Inventors: Hong, Jae-Hwan; Park, Hyeong-Jun; Jeong, Youn-Kwae; Shin, Dong-Jin; Jang, Moon-Soo;, Assignee: Electronics and Telecommunications Research Institute (Daejeon, KR) |
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