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Apparatus for Simulating a High Five
A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
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| Number | Title | Issue Date |
| 4860155 | Overvoltage protection device A circuit protection device comprising a chalcogenide glass threshold switching element connected or arranged to be connected between a current carrying line and earth, and a capacitor connected in a series with the switching element.... | 08/22/1989 |
| 4860149 | Electronic precipitator control A method and apparatus for controlling power to a preciptator 27. After each spark the power to the precipitator is reduced to zero, increased along a fast ramp 15 for a fixed period of time and then increased along a slow ramp 17 until a spark occurs. Th... | 08/22/1989 |
| 4843617 | Apparatus and method for synchronizing a communication system Apparatus and method for synchronizing a local clock signal with a remote clock signal. The local clock signal is divided by a digital counter for generating a phase increment signal. The phase increment signal and the remote clock signal are applied to a... | 06/27/1989 |
| 4841405 | Protective relaying apparatus for providing fault-resistance correction Protective relay apparatus for providing a compensated fault impedance measurement for the determination of a better estimate of fault location along a transmission line is disclosed. In a power system network including local and remote generating sources... | 06/20/1989 |
| 4823226 | Phase loss detection circuit including transient protection A phase loss detection circuit for a three phase electrical system providing three phase power as to a motor, the three phase electrical being subject to a phase loss condition and a transient condition is disclosed. The transient condition includes start... | 04/18/1989 |
| 4821296 | Digital phase aligner with outrigger sampling The circuit phase aligns a phase-varying input data stream with a local clock. The data stream is sampled at the 0° and 180° phases of the local clock. Two pairs of outrigger samples which closely bracket the aforementioned primary samples are also obta... | 04/11/1989 |
| 4821151 | Hermetically sealed package A hermetically sealed package adapted to house a plurality of semiconductor devices. The package include a multi-layer circuit device formed of a plurality of ceramic substrates and conductive circuit patterns disposed therebetween. A ceramic cover having... | 04/11/1989 |
| 4821297 | Digital phase locked loop clock recovery scheme A digital clock recovery scheme is disclosed. A reference clock, is used to provide a plurality of N signals with different clock phases. The incoming data stream is sampled and clocked with the reference clock to generate a plurality of M samples for eac... | 04/11/1989 |
| 4819120 | Impedance arrangement for limiting transients An impedance arrangement is provided for use in a high-voltage circuit. For example, the impedance arrangement is useful in a circuit which includes reactance elements and a high-voltage circuit-switching device. The impedance arrangement limits transient... | 04/04/1989 |
| 4819121 | Security apparatus for power converter A security apparatus adapted to a power converter, including a power converting circuit connected between a DC power source and an AC system; a phase detector circuit for detecting the voltage phase of the AC system to provide a phase detection signal; a ... | 04/04/1989 |
| 4816959 | Lightning arrester including an active resistor core A lightning arrester with a monolithic, active resistor core made of voltage-dependent resistance material based on ZnO is produced by mixing and grinding the base materials ZnO+metal oxides, producing pourable granules, filling into a silicone rubber tub... | 03/28/1989 |
| 4816957 | Ground line fault interrupter adapter unit An adapter unit comprising a moisture resistant housing within which is carried an improved, self testing ground line fault interrupter device. The improved device is electrically interconnected with a connector carried externally of the adapter housing s... | 03/28/1989 |
| 4816963 | Apparatus for protecting a transistor in the event of a shorted load condition A transistor is protected from excessive power dissipation in the event of a shorted load condition by alternately turning the transistor off for a relatively long period of time during which a capacitor is discharged through a resistor network and turnin... | 03/28/1989 |
| 4814936 | Grounding tank type arrester A grounding tank type arrester comprises a plurality of columns sorted into current folding columns and current pass columns. Each current folding column includes a plurality of stack sets of an element unit, having a plurality of zinc oxide elements, and... | 03/21/1989 |
| 4814933 | Potential indicating device A potential indicating device for indicating the presence of a voltage on a connector in a high voltage electrical distribution system, the connector including a conductor, a semiconductive shield and a test point terminal. The device comprises two separa... | 03/21/1989 |
| 4814934 | Voltage fault detector A voltage fault detector (10) for producing a trip signal causing switching from a first AC voltage source (12) to a second AC voltage source (14) is disclosed. A plurality of comparators (18,20,22) monitor a signal which is proportional to the magnitude ... | 03/21/1989 |
| 4814932 | Device for protection against short circuits for AC networks and current limiting circuit breaker appropriate for such a device A device for protecting an AC distribution network against short circuit currents and an appropriate current limiting circuit breaker. A downstream circuit breaker (D1) generates a signal (S) for neutralizing the opening of the contacts of an upstream cur... | 03/21/1989 |
| 4814941 | Power receptacle and nested line conditioner arrangement A power receptacle and nested line conditioner arrangement is provided for office partition systems and the like of the type having electrical power incorporated therein. The arrangement includes a power receptacle having a modular construction with a qui... | 03/21/1989 |
| 4812943 | Current fault protection system An overcurrent protection system (10) for a power supply is disclosed. The system monitors the instantaneous flow of current between a power supply (12) and an electrical load (16) to detect when the flow of current exceeds a maximum rated amount. A count... | 03/14/1989 |
| 4812944 | Electrical equipment A surge arrestor comprises at least one surge arresting element mounted between a pair of electrodes. The assembly is secured together longitudinally by a plurality of heat recoverable polymeric strands, and is contained within a heat recoverable shedded ... | 03/14/1989 |
| 4811366 | Start pattern detecting apparatus An apparatus for accurately detecting a start pattern in the event of reception of a digital signal in which the start pattern is followed by an information signal. The detection of a start pattern is performed only once while a start pattern is received ... | 03/07/1989 |
| 4811367 | Circuit for detecting plural kinds of multi-frame synchronization on a digital transmission line A system detects/recognizes multi-frame synchronization bits of concurrently existing plural unknown kinds of multi-frame synchronization in received signals of digital transmission. The above-mentioned detection as well as recognition is carried out by s... | 03/07/1989 |
| 4811136 | Phase controller for processing current and voltage faults A power supply system for processing current and voltage faults is disclosed. Each phase of a first power source (12) and each phase of a second power source (28) has a pair of switches (60, 64) for controlling the conduction of current from the phase of ... | 03/07/1989 |
| 4809123 | Ground fault detector for high-voltage DC power supplies To detect a ground fault, the alternating current leakage current to common AC electrical ground is sensed across a resistor and applied to one input of an analog gate. The analog gate is opened by the positive going voltage from the high-voltage secondar... | 02/28/1989 |
| 4809302 | Clock injector circuit An interface circuit is used to permit a data multiplexing circuit to receive data from two channels which are asynchronously clocked. The data from the two channels is received by the interface circuit and transferred to the multiplexing circuit in a man... | 02/28/1989 |
| 4807260 | Non high frequency clock dependent Manchester biphasic decoder and comparator A decoder and comparator for Manchester biphase code utilizes a clock recovery logic to recover clock signals directly from the code and thus bypasses the necessity of an external clock. This recovered clock is utilized to input the code into shift regist... | 02/21/1989 |
| 4807261 | Automatic channel polarity detection and correction arrangement and method A circuit arrangement automatically detects and corrects received data in an FSK signalling scheme wherein FSK data symbols are represented by a grey code-like numbering system and a predetermined word sync pattern leads each data transmission. The arrang... | 02/21/1989 |
| 4807259 | Time synchronization method in data transmission system A method for synchronizing the times of a master clock provided in the master station and slave clocks provided in the slave stations in a data transmission and receiving system consisting of the master station as a data transmission control station and s... | 02/21/1989 |
| 4807081 | Circuit protection arrangement An arrangement for protecting an electrical circuit from a voltage transient having a fast rise time, e.g. in the order of 20 Vns-1 comprises a number of semiconductive threshold foldback switching elements preferably formed from a chalcogenide... | 02/21/1989 |
| 4805198 | Clock multiplier/jitter attenuator A clock multiplier/jitter attenuator circuit provides a stable clock which is a multiple frequency of the average frequency of an external digital data stream. The external data is written into successive storage cells of a FIFO at its own clock rate and ... | 02/14/1989 |
| 4803705 | Analog phase locked loop A phase locked loop for synchronizing a local digital signal with an incoming data signal is described. Parallel phase and frequency detectors compare the local and incoming signals and generate control pulse signals for controlling the frequency of a vol... | 02/07/1989 |
| 4803703 | Apparatus and method for fine synchronization of a communication receiver A system and method is described for synchronizing a paging receiver decoder to receive information in the form of digitally encoded signals. The digital signals include a synchronization signal followed by message data. The synchronization signal include... | 02/07/1989 |
| 4802053 | Control circuitry including phase failure relay A system for sensing the phase of a three-phase AC system and detecting phase reversal and undervoltage and phase unbalance and for providing a switching function when the system is not functioning properly.... | 01/31/1989 |
| 4802054 | Input protection for an integrated circuit An integrated circuit has an input protection circuit coupled between an input pad and an input circuit. The input pad receives a signal provided externally from the integrated circuit. The input circuit is responsive to the signal provided externally fro... | 01/31/1989 |
| 4800577 | GPS receiver A GPS receiver comprising a pseudonoise generator for simultaneously generating pseudonoise signals respectively corresponding to satellite electromagnetic waves transmitted from two or more satellites, an oscillator for simultaneously regenerating carrie... | 01/24/1989 |
| 4800292 | Temperature sensing circuit A temperature sensing circuit including a temperature sensing element located at a medium to sense the temperature of the medium. The sensing element is a resistive element with a range of resistive values corresponding to a range of sensed temperatures. ... | 01/24/1989 |
| 4800578 | Synchronizing detecting circuit for a digital broadcasting receiver A synchronizing detecting circuit for a digital broadcasting receiver arranged such that serial sync. words of first and second series derived from an output of a 4-phase PSK demodulator (5) are respectively converted into first and second parallel sync. ... | 01/24/1989 |
| 4799125 | Circuit protection arrangement An arrangement for protecting an electrical circuit from a voltage transient having a fast rise time, e.g. in the order of 20 Vns-1 comprises a number of semiconductive threshold foldback switching elements, preferably formed from a chalcogenid... | 01/17/1989 |
| 4799241 | Method and device for symbol synchronization and their application to the symbol demodulation of digital messages The symbol synchronization method for the symbol demodulation of a digital signal uses E sequences of samples taken from the demodulated signal, each sequence being offset with respect to the following one by a fraction of the symbol period Ts/E. On the b... | 01/17/1989 |
| 4799126 | Overload protection for D.C. circuits Protection for D.C. electrical circuit branches against incipient overloads comprises the use of semiconductor devices known as intelligent switches. An intelligent switch comprises a main controlled conduction path whose conductivity is controlled by an ... | 01/17/1989 |
