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| Patent # | Description |
|---|---|
| US-5,410,603 |
Effect adding apparatus When a plurality of effects are simultaneously applied to an input audio signal, a plurality of effect-algorithms each for applying solely an effect to the input... |
| US-5,410,602 |
Method for key management of point-to-point communications A method of secure key distribution in a communication system having a plurality of subscriber units and an infrastructure communication center is provided. A... |
| US-5,410,601 |
Video scramble system and equipment The object of the present invention is to provide various scramble systems and equipments for embodying the scramble systems for omitting unqualified viewers in... |
| US-5,410,600 |
Pre-scramble encoding method and apparatus for digital communication A prescramble encoding mechanism divides a data word into a plurality of sequences of data bits for transmission over a fiber optic communication link.... |
| US-5,410,599 |
Voice and data encryption device A portable voice and data encryption device designed to be used with normal wideband telephone and cellular telephones, computers and facsimile machines to... |
| US-5,410,598 |
Database usage metering and protection system and method A "return on investment" digital database usage metering, billing, and security system includes a hardware device which is plugged into a computer system bus (or... |
| US-5,410,597 |
Wired seat back aircraft telephone set A telephone device with a handset that fits in a cradle cavity so that the outer surface of the handset is approximately flush with the surface of the cradle. A... |
| US-5,410,596 |
Station protector module for network interface device A station protector module contains telephone company terminals and subscriber terminals. The module has apparatus for grounding the module in a network... |
| US-5,410,595 |
Apparatus and method for noise reduction for a full-duplex speakerphone
or the like The characteristics of a room in which a speakerphone (20) is located are measured by determining a time between a test signal and its first attack, and a number... |
| US-5,410,594 |
Transmission input/output device with reduced power consumption A transmission input/output device for signal transmission through a telephone line, with reduced power consumption, size, and cost. The device includes: a... |
| US-5,410,593 |
Method and device for displaying a hold service on multifunction
telephone set and an exchange A hold displaying system includes plural multifunction telephone sets each of which has a hold indicator, and an exchange for accommodating the telephone sets.... |
| US-5,410,592 |
Class `D` audio speaker amplifier circuit with state variable feedback
control An audio amplifier for providing a power boost for telephone-sourced audio signals that drive one or more paging speakers employs a class D amplifier and a state... |
| US-5,410,591 |
Private branch exchange with resumption of interrupted communication If a communicating terminal connected to a communication line in a private branch exchange system is disconnected from the communication line, then, on the basis... |
| US-5,410,590 |
Monitoring system for remote devices Apparatus for auditing the usage and indicating the status of a remote coin telephone system to a central computer via a telephone line. The apparatus comprises... |
| US-5,410,589 |
Telephone system adapted to report to customers telephone facility
traffic data A telephone system adapted to provide preselected customer traffic data to preselected customers having customer facilities. The central office switch of the... |
| US-5,410,588 |
Mobile radio communications system having a supervising radio
transmitting station for transmitting a reference... A radio communication system having a plurality of base stations, each forming a radio zone, and a plurality of mobile stations connected to those base stations... |
| US-5,410,587 |
Ultrasonic radiotelephone for an automobile A car radiotelephone system having one or more wireless handsets communicating voice and control information via an ultrasonic link with a stationary unit... |
| US-5,410,586 |
Method for analyzing an IDNX network A method for simulating an IDNX (integrated digital network exchange) network. Trunk and call information is downloaded from a network controller connected to... |
| US-5,410,585 |
Subscriber line test system A method and apparatus for testing a subscriber line of a communication exchange. A telephone coupled to the subscriber line is used to dial first and second... |
| US-5,410,584 |
Apparatus for supporting a radiation transmitter An apparatus for supporting a radiation transmitter has a first C-arm carrying the radiation transmitter at one end thereof, which is mounted so as to be movable... |
| US-5,410,583 |
Shift register useful as a select line scanner for a liquid crystal
display A select line scanner for a liquid crystal display includes a plurality of cascaded stages each having an input terminal and an output terminal. Each stage... |
| US-5,410,582 |
Reference-signal generating apparatus A reference signal generator that operates in response to a digital control signal has an increased resolving power without the requirement for increasing the... |
| US-5,410,581 |
Apparatus and method for determining a time that a system's main power
was inactive An apparatus and method for determining a time that a system's main power was inactive includes a counter circuit (171) for accumulating transitions of a clock... |
| US-5,410,580 |
Fuel assembly for thermal neutron type reactor There is provided a fuel assembly for a thermal neutron type reactor in which fuel rods utilizing U-235 enriched uranium-oxide are bundled in a lattice... |
| US-5,410,578 |
Nuclear propulsion rocket A nuclear propulsion reactor. A pressure vessel is provided with a reactor core that is surrounded by a radial reflector. Nuclear fuel elements in the core are... |
| US-5,410,577 |
Core-melt source reduction system A core-melt source reduction system for ending the progression of a molten core during a core-melt accident and resulting in a stable solid cool matrix. The... |
| US-5,410,576 |
Containers for disposing of low level radioactive waste and its detection A container for disposing of low level radioactive waste and its detection comprises a container having a cylindrical side wall of an enlarged diameter and an... |
| US-5,410,575 |
Detection of buried nitrogen rich materials Fast neutrons from a moving source are thermalized by travel through water to a soil embedded body of nitrogen-rich material causing emission of gamma rays... |
| US-5,410,574 |
Internal component of fusion reactor A fusion reactor has an internal component in which an internal structure assembly is housed in a toric vacuum vessel in an arrangement along a circumferential... |
| US-5,410,573 |
Digital phase-locked loop circuit A digital phase locked loop which incorporates a phase comparator which produces a phase deviation signal having a sinusoidal phase comparison characteristic... |
| US-5,410,572 |
Phase locked loop circuit In a disclosed PLL circuit, a constant voltage output by a constant voltage power supply 6 for obtaining a signal with a frequency equivalent to that obtained in... |
| US-5,410,571 |
PLL frequency synthesizer circuit A reference frequency divider divides a clock signal into a reference frequency signal, and outputs it. A comparison frequency divider circuit divides an output... |
| US-5,410,570 |
Self synchronizing automatic correlator A self synchronizing automatic correlator, comprising apparatus for receiving an input data signal; apparatus for receiving a free running clock signal; a clock... |
| US-5,410,569 |
Data slicing system for HDTV receiver A receiver for receiving transmitted digital signals including either two level or four level symbols that are interleaved in a predetermined pattern in a frame... |
| US-5,410,568 |
CDMA/TDMA spread-spectrum communications system and method A spread-spectrum transmitter and receiver using code division multiple access with time division multiple access technology for spread-spectrum communications.... |
| US-5,410,567 |
Optical fiber draw furnace An induction furnace for heating a portion of an optical preform in order to draw an optical fiber therefrom. The furnace includes a tubular susceptor which is... |
| US-5,410,566 |
Method of producing metal melts and an electric arc furnace therefor In a method of producing metal melts, in particular a steel melt from scrap, in an electric arc furnace having at least one graphite electrode, organic... |
| US-5,410,565 |
Furnace, in particular an electric furnace, for treating liquid metal The furnace includes a vessel closed by a floating roof, and a sealing means mechanism between the roof and the vessel. The sealing mechanism includes two joint... |
| US-5,410,564 |
Direct current electric furnace for melting metal According to the present invention, there is provided a direct current electric furnace for melting metal capable of melting scraps rapidly and also capable of... |
| US-5,410,563 |
Laser beam optical system capable of compensating focal length changes
thereof A laser beam light source device which has Fresnel lens having grating of unequal spacing and facing a laser diode, and condenser lens made of resin. The focal... |
| US-5,410,562 |
Strained quantum well semiconductor laser diode A visible wavelength InGaP/InGaAlP semiconductor laser diode with a double hetero (DH) structure capable of shortening the wavelength having a compound... |
| US-5,410,561 |
Optical wavelength converter for obtaining wavelength conversion
efficiency A wavelength converter having the light source formed of the semiconductor laser 1 and the nonlinear optical element 2, wherein, the oscillation light therefrom... |
| US-5,410,560 |
Wavelength conversion apparatus A wavelength conversion apparatus using a nonlinear optical element for generating light different in wavelength from an incident fundamental wave. This... |
| US-5,410,559 |
Diode pumped laser with strong thermal lens crystal A high power, highly efficient laser that produces a polarized, round diffraction limited gaussian beam is disclosed. A strong thermal lens laser crystal with... |
| US-5,410,558 |
Variable short period electron beam wiggler for free electron lasers The free electron laser wiggler has therein a device for generating a variable short period wiggler field. A Type II superconducting material is formed into a... |
| US-5,410,557 |
Method and apparatus for recognizing valid components in a digital signal An apparatus for distinguishing a wanted signal in a binary signal sequence having both wanted signals and interference signals includes the step of generating a... |
| US-5,410,556 |
Pipelined viterbi decoder A pipelined Viterbi decoder includes a plurality of circuit stages and a synchronous clocking arrangement for controlling the operations of the circuits within... |
| US-5,410,555 |
Viterbi decoding apparatus A Viterbi decoding apparatus capable of decoding convolutional codes of 30 Mbps or more in information quantity for such applications as high-definition... |
| US-5,410,554 |
Optical disk apparatus An optical disk apparatus, in which the data supplied from a host computer is recorded on an optical disk by storing the data into a data buffer memory via an... |
| US-5,410,553 |
Error concealment control method and device of digital video signal This invention relates to an error concealment system of digital video signal for concealing an error in the digital video signal of block coding system such as... |
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