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Patent # Description
US-4,679,152 Navigation system and method for a mobile robot
An opto/acoustic navigation system allows a mobile robot to detect and mate with a floating plug-equipped charging unit upon detection of the need for recharging...
US-4,679,151 Control for a limiting device
A system for generating electrical signals which are intended to control a flow limiting device, in particular in a fuel control apparatus, has duplicate signal...
US-4,679,150 Automatic vending machine with discount function
An automatic vending machine is provided which has a continuous sale controller for continuously selling a plurality of products within a total amount of coins...
US-4,679,149 Commissioning system
An automatic commissioning system, in which the articles to be wharehoused are provided with a machine readable coding. On the transport unit for the articles a...
US-4,679,148 Glass machine controller
A glass-forming machine controller permits substantially instantaneous updating of the operating times of the machine components without the complex circuitry...
US-4,679,147 Navigation system with capability of instructing running direction
A navigation system for displaying, on a display screen, road map information and running traces of a car superimposed thereon comprises a cathode ray tube for...
US-4,679,146 Anti-skid brake control system and method featuring vehicle battery protection
An anti-skid brake control system includes a fluid pump which facilitates brake release when wheel deceleration, as indicated in a derived wheel acceleration...
US-4,679,145 Method and apparatus for controlling a clutch-transmission unit
A method and apparatus for controlling a clutch-transmission unit which makes it possible to intentionally influence the selection of the shifting steps by a...
US-4,679,144 Cardiac signal real time monitor and method of analysis
An apparatus for monitoring EKG information includes a programmable apparatus carried by an ambulatory patient for performing continuous, real-time analyses of...
US-4,679,143 Control device for game machine
An amusement device and method of operation are disclosed wherein a plurality of payout schedules which govern the conduct of the game are retained in a memory....
US-4,679,142 Radioactive material billing system and method
Quantities of radioactive material are dispersed at a user location. Billing is accomplished by monitoring the decay of material and the degree of activity...
US-4,679,141 Pageable branch history table
A branch history table (BHT) is substantially improved by dividing it into two parts: an active area, and a backup area. The active area contains entries for a...
US-4,679,140 Data processor with control of the significant bit lengths of general purpose registers
A mode register stores a mode bit for each of the general registers, an access circuit accesses the general registers and the mode register so that a general...
US-4,679,139 Method and system for determination of data record order based on keyfield values
A system and method for manipulating a plurality of data records. Each record is comprised of a plurality of bits and is identified by a unique record address...
US-4,679,138 Microsequencer in a data processing system using stack storage for controlling the sequencing of microroutines
A data processing system in which macroinstructions are decoded to provide a sequence of microinstructions comprising one or more microroutines. A stack storage...
US-4,679,137 Process control interface system for designer and operator
A system and method for computer control of machine processes, including a dynamic menu feature used in the selection of processes and the definition and...
US-4,679,136 Dynamic error compensating process controller
A process control apparatus has a controller for performing a control operation including an integral operation for a set point signal supplied to a process and...
US-4,679,135 Control apparatus
A control apparatus including an operating panel means having illuminable switches which produce operation data upon operation by an operator and which display...
US-4,679,134 Integrated dual charge pump power supply and RS-232 transmitter/receiver
A monolithic integrated circuit containing an inverting/non-inverting voltage doubler charge pump circuit is disclosed for converting a unipolar supply voltage...
US-4,679,133 System for alleviating harmonic distortion
A system is provided for alleviating harmonic distortion in a power supply having an AC input, a full wave rectifier and filter capacitors. The rectified voltage...
US-4,679,132 Floating battery feed circuit using multifilar transformer
A substantial reduction in the common-mode noise generated by a switching-mode power converter is achieved by incorporating a multifilar-wound transformer into...
US-4,679,131 Regulating power supply for video display apparatus
A regulating power supply for a video display apparatus includes a switching transistor that periodically energizes a transformer winding. Input switching pulses...
US-4,679,130 Programmable power supply
A programmable power supply is disclosed which combines a linear power supply with a switching power supply. The switching power supply includes a pulse width...
US-4,679,129 Series resonant converter
A series resonant converter is disclosed, in which a series resonant circuit consisting of a resonant capacitor and a resonant inductor is connected in series...
US-4,679,128 Headlamp bulb retaining arrangement
A retaining arrangement for a replaceable bulb mounted in a vehicle headlamp reflector that includes a grip member and a cooperating lock nut. The former of...
US-4,679,127 Headlight for motor vehicles
The invention concerns a headlight for motor vehicles, with a cover plate that covers up the reflector. An essentially U-shaped enclosure made out of sheet metal...
US-4,679,126 Miniature lamp arrays having improved lamp retention features
A decorative string set used for Christmas lighting is disclosed. The string set comprises various embodiments of clamping means which provide positive retention...
US-4,679,125 Headlamp-indicator unit for motor vehicles
A headlamp-indicator unit (1) for motor vehicles, includes a reflector unit (2) made of plastic material or a spacer member of plastic material with a reflector...
US-4,679,124 Solid electrolytic capacitors
A solid electrolytic capacitor comprising an anodized valve metal anode and a cathode provided in face-to-face relation with the anode, between which a layer of...
US-4,679,123 Cable organizing and protection system and method
Multiple conductor cables are connected to horizontally distributed component equipments within a vertical array inside a cabinet. The cables are brought into...
US-4,679,122 Metal core printed circuit board
A novel metal core printed circuit board and a method of making it are described. The circuit board comprises a metal substrate, a patternable metal foil, and an...
US-4,679,121 Assembly system for communications device having plug-in circuit boards connected in multiple stages
An electrical device assembly system composed of plug-in circuit boards each having a plurality of plug-in connectors at an edge presenting input and output...
US-4,679,120 Lighting circuit breaker panelboard modular assembly including circuit breaker indicating clips
A circuit breaker panelboard modular assembly employs a plurality of interdependent molded plastic and metal parts to multifunctionally adapt breakers of...
US-4,679,119 Dielectric fluid for electrical capacitors
Di octyl phthalate (DOP) is used as a dielectric fluid for a-c electrical capcitors. An additive of an epoxidized linseed oil in an amount from 0.1% to 30% by...
US-4,679,118 Electronic chip-carrier heat sinks
Dissipation of heat from a socketed leadless electronic chip-carrier package is promoted by a heat-conducting metal socket cap distinctively overlying and...
US-4,679,117 Touch sensor for wire stripper
A wire detector for semi-automatic wire stripper which responds to capacitance changes caused by sensing a capacitance object such as an exposed wire end and...
US-4,679,116 Current controlling device for electromagnetic winding
A current controlling device comprises an input circuit for receiving a driving signal, means for supplying a first reference voltage or a second reference...
US-4,679,115 Electrical disturbance protective device between a terminal and a telephone line
The protective device affords electrical insulation at all times between a terminal and a telephone line, without any modification to the terminal, and protects...
US-4,679,114 Method and equipment for lightning protection through electric potential neutralization
An equipment for a preventive lightning protection of at least partly neutralizing the electric potentials of the atmosphere's charges. This is accomplished...
US-4,679,113 Electrical distribution apparatus having draw-out surge arrester
Electrical distribution apparatus, such as a pad-mounted electrical distribution transformer, which has an electrically grounded tank or casing. A surge arrester...
US-4,679,112 Transistor protection circuit for automotive motor control applications
A protection circuit for the power transistor of an automotive motor control circuit. The protection circuit comprises a protection transistor, a resistor, and a...
US-4,679,111 Resistance to ground checker
A circuit arrangement for monitoring ground faults to a normally ungrounded coil of a motor, the circuit arrangement including; a source of a low-level d.c. voltage,...
US-4,679,110 Brake and tape tensioning means for tape cassettes having flanged reels, and a tape cassette, in particular a...
Spring elements, as brake and tape tensioning elements, are provided with two or more locking elements having a predetermined difference in length. The devices...
US-4,679,109 Tape cassette driven rib device
A tape cassette includes a pair of reels for a magnetic tape. Each reel has a center opening. A plurality of first ribs extends radially into the opening from a...
US-4,679,108 Portable playback system with active tape drive tensioning feature
The present invention generally relates to playback systems for monitoring the performance of cassette tape duplicating recorders and is specifically directed to...
US-4,679,107 Magnetic transducer head utilizing magnetoresistance effect
A magnetic head utilizing the magnetoresistance effect comprising a magnetoresistance effect element and a conductor for applying a bias magnetic field to the...
US-4,679,106 Spring loaded ejector for disc cartridge
In a recording and reproducing device to be used with a disc cartridge, a cartridge holder receives the disc cartridge when it is inserted, and moves between an...
US-4,679,105 Head positioning assembly for a disk drive
The invention is a head positioning assembly (10) for use with a conventional disk drive (12). The assembly (10) is adapted to position the ready/write head (22)...
US-4,679,104 Method and arrangement for positioning a magnetic head to various tracks of a magnetic tape
For exact positioning of a magnetic head to various tracks of a magnetic tape by use of a stepping motor, a plurality of motor control steps required in order to...
US-4,679,103 Digital servo control system for a data recording disk file
A digital servo control system for a data recording disk file receives as input a digital head position error signal (PES) and a digital signal corresponding to...
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