Assignee
LIGNES TELEGRAPH TELEPHON
75 granted patents·986 citations·filing 1973–1985
Top patents by PatentIndex Score
75 records- 0191US4027253ANon-reciprocal broadband slot line deviceLIGNES TELEGRAPH TELEPHON·Filed 1974·Granted May 31, 1977·57 cites·13 claims
- 0290US3987456AWide relative frequency band and reduced size-to-wavelength ratio antennaLIGNES TELEGRAPH TELEPHON·Filed 1975·Granted Oct 19, 1976·68 cites·9 claims
- 0389US4236125AWide band high power very high or ultra high frequency circulatorsLIGNES TELEGRAPH TELEPHON·Filed 1979·Granted Nov 25, 1980·40 cites·4 claims
- 0486US4369525ADevice for automatic regulation of the output power of a transmitter module in an optical-fiber transmission systemLIGNES TELEGRAPH TELEPHON·Filed 1981·Granted Jan 18, 1983·43 cites·5 claims
- 0584US3984208AAnodes for solid electrolyte capacitorsLIGNES TELEGRAPH TELEPHON·Filed 1974·Granted Oct 5, 1976·36 cites·7 claims
- 0683US4697873ADevice for protecting optical fibers freed at the end of a cable elementLIGNES TELEGRAPH TELEPHON·Filed 1982·Granted Oct 6, 1987·42 cites·16 claims
- 0776US4351059AMethod for testing a digital data transmission line between two modems and a device for the application of said methodLIGNES TELEGRAPH TELEPHON·Filed 1980·Granted Sep 21, 1982·49 cites·12 claims
- 0873US4441786ADevice for positioning optical fibers in a terminal connector for splicing two optical fiber transmission cablesLIGNES TELEGRAPH TELEPHON·Filed 1981·Granted Apr 10, 1984·29 cites·13 claims
- 0971US4258328AFeed forward microwave amplifier for communication systemsLIGNES TELEGRAPH TELEPHON·Filed 1979·Granted Mar 24, 1981·17 cites·3 claims
- 1071US4144434AMicrowave heating devicesLIGNES TELEGRAPH TELEPHON·Filed 1976·Granted Mar 13, 1979·17 cites·1 claims
- 1170US4708425ABidirectional optical wavelength multiplexer-demultiplexerLIGNES TELEGRAPH TELEPHON·Filed 1984·Granted Nov 24, 1987·39 cites·12 claims
- 1270US4237687AOptical fibre laying head for cable productionLIGNES TELEGRAPH TELEPHON·Filed 1979·Granted Dec 9, 1980·22 cites·5 claims
- 1370US4146867AAdjustable resistors for hybrid circuitsLIGNES TELEGRAPH TELEPHON·Filed 1978·Granted Mar 27, 1979·31 cites·5 claims
- 1469US4110815ASolid electrolytic capacitorLIGNES TELEGRAPH TELEPHON·Filed 1976·Granted Aug 29, 1978·16 cites·8 claims
- 1567US3985970ARegeneration of signalling pulsesLIGNES TELEGRAPH TELEPHON·Filed 1975·Granted Oct 12, 1976·15 cites·6 claims
- 1666US4272472AMethod and apparatus for grooved section manufactureLIGNES TELEGRAPH TELEPHON·Filed 1979·Granted Jun 9, 1981·21 cites·4 claims
- 1765US4399566ADevice for stabilizing the output power of a transmitter module in an optical fiber transmission systemLIGNES TELEGRAPH TELEPHON·Filed 1981·Granted Aug 16, 1983·31 cites·6 claims
- 1865US4118594ALong distance coaxial cable with optical fibresLIGNES TELEGRAPH TELEPHON·Filed 1976·Granted Oct 3, 1978·20 cites·6 claims
- 1964US4321072AMethod for automatic centering of an optical fiber within a primary protective cladding and a device employed for carrying out said methodLIGNES TELEGRAPH TELEPHON·Filed 1980·Granted Mar 23, 1982·22 cites·5 claims
- 2062US4155963AIn-line manufacture of optical fibres cables with sequential layingLIGNES TELEGRAPH TELEPHON·Filed 1978·Granted May 22, 1979·19 cites·6 claims
- 2162US3931625AShortened multi-rod broadband antennaLIGNES TELEGRAPH TELEPHON·Filed 1974·Granted Jan 6, 1976·12 cites·7 claims
- 2261US4630255AOptical multiplexer-demultiplexer for use with optical fiber wavelengthsLIGNES TELEGRAPH TELEPHON·Filed 1984·Granted Dec 16, 1986·21 cites·10 claims
- 2358US4309864AApparatus for producing cable elements incorporating otpical fibersLIGNES TELEGRAPH TELEPHON·Filed 1980·Granted Jan 12, 1982·15 cites·2 claims
- 2457US4354732ACable elements comprising optical fibres and cables incorporating themLIGNES TELEGRAPH TELEPHON·Filed 1979·Granted Oct 19, 1982·17 cites·5 claims
- 2556US4411130AHead for the simultaneous laying of optical fibers within a grooved cylindrical supportLIGNES TELEGRAPH TELEPHON·Filed 1982·Granted Oct 25, 1983·13 cites·10 claims
- 2654US4525833AProcess for time-sequenced multiplexing of data on a transmission medium and devices to implement this processLIGNES TELEGRAPH TELEPHON·Filed 1982·Granted Jun 25, 1985·17 cites·4 claims
- 2751US4399565ADevice for triggering an alarm system in the event of insufficiency of the transmission level, for the receiver module of an optical-fiber transmission systemLIGNES TELEGRAPH TELEPHON·Filed 1981·Granted Aug 16, 1983·17 cites·7 claims
- 2849US4156624AManufacture of optical fibre cables with simultaneous layingLIGNES TELEGRAPH TELEPHON·Filed 1978·Granted May 29, 1979·12 cites·5 claims
- 2946US4459701AProcess and device for synchronizing at reception digital signals transmitted in packagesLIGNES TELEGRAPH TELEPHON·Filed 1982·Granted Jul 10, 1984·14 cites·22 claims
- 3045US4504975ASystem for transmitting digital signals over an optical fiberLIGNES TELEGRAPH TELEPHON·Filed 1983·Granted Mar 12, 1985·15 cites·8 claims
- 3145US4059805APhase lock loop carrier generator for receiver of phase modulated carrier pulse signalsLIGNES TELEGRAPH TELEPHON·Filed 1977·Granted Nov 22, 1977·13 cites·5 claims
- 3244US4146850ATunable uhf oscillator with harmonic limitationLIGNES TELEGRAPH TELEPHON·Filed 1978·Granted Mar 27, 1979·11 cites·6 claims
- 3343US4594728ASynchronization device for digital frame transmissionLIGNES TELEGRAPH TELEPHON·Filed 1984·Granted Jun 10, 1986·9 cites·8 claims
- 3443US4097415AProduction of improved anodes for solid electrolyte capacitorsLIGNES TELEGRAPH TELEPHON·Filed 1976·Granted Jun 27, 1978·8 cites·10 claims
- 3541US4416507AMethod for in situ splicing optical fiber cablesLIGNES TELEGRAPH TELEPHON·Filed 1981·Granted Nov 22, 1983·8 cites·8 claims
- 3641US4258339ALumped circuit circulator with adjustable band widening circuitLIGNES TELEGRAPH TELEPHON·Filed 1979·Granted Mar 24, 1981·7 cites·4 claims
- 3739US4280270AProcess for the manufacture of tantalum solid electrolyte capacitorsLIGNES TELEGRAPH TELEPHON·Filed 1979·Granted Jul 28, 1981·5 cites·4 claims
- 3839US4186357ANon-reciprocal microwave phase shifters operating in a wide band on edge modeLIGNES TELEGRAPH TELEPHON·Filed 1978·Granted Jan 29, 1980·5 cites·5 claims
- 3939US4163960AElectromechanical filter structureLIGNES TELEGRAPH TELEPHON·Filed 1977·Granted Aug 7, 1979·5 cites·4 claims
- 4039US4122509ASolid electrolyte tantalum capacitorsLIGNES TELEGRAPH TELEPHON·Filed 1976·Granted Oct 24, 1978·5 cites·8 claims
- 4138US4430572ADevice for separating two light signals emitted by sources having different wavelengths and transmitted in a single optical fiberLIGNES TELEGRAPH TELEPHON·Filed 1981·Granted Feb 7, 1984·10 cites·8 claims
- 4238US4100506AElectromechanical filterLIGNES TELEGRAPH TELEPHON·Filed 1976·Granted Jul 11, 1978·4 cites·3 claims
- 4338US4012705AHigh input level microwave circuitLIGNES TELEGRAPH TELEPHON·Filed 1975·Granted Mar 15, 1977·4 cites·8 claims
- 4437US4427938AVery-wide-band samplersLIGNES TELEGRAPH TELEPHON·Filed 1980·Granted Jan 24, 1984·6 cites·5 claims
- 4536US4375075ATantalum capacitors with internal current-limiting meansLIGNES TELEGRAPH TELEPHON·Filed 1980·Granted Feb 22, 1983·5 cites·5 claims
- 4636US4327341AElectromechanical filter cellsLIGNES TELEGRAPH TELEPHON·Filed 1980·Granted Apr 27, 1982·5 cites·1 claims
- 4736US4152677AWide band microwave isolatorsLIGNES TELEGRAPH TELEPHON·Filed 1978·Granted May 1, 1979·4 cites·8 claims
- 4836US3956440AProduction of fine grained ferrite bodiesLIGNES TELEGRAPH TELEPHON·Filed 1973·Granted May 11, 1976·7 cites·5 claims
- 4934US4025404AOhmic contacts to thin film circuitsLIGNES TELEGRAPH TELEPHON·Filed 1975·Granted May 24, 1977·8 cites·6 claims
- 5033US4457770AMethod and apparatus for the production of optical fibers with lateral gaseous injectionLIGNES TELEGRAPH TELEPHON·Filed 1982·Granted Jul 3, 1984·4 cites·9 claims
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