Bizarre Patents
A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4775807 | Single ended receiver circuit with hysteresis An improved on chip single ended integrated circuit receiver includes a first circuit arrangement for setting a first referenced voltage level for an incoming signal, a second circuit arrangement for generating a second referenced voltage level with hyste... | 10/04/1988 |
| 4775808 | Circuit arrangement for driving an IC module with digital signals For driving an IC module with output digital signals of another IC module, mutually-identical input circuits are provided for the individual digital signals, the respective switching thresholds of the input circuits, controlled by a control circuit shared... | 10/04/1988 |
| 4775809 | Output buffer circuit avoiding electrostatic breakdown This invention relates to an output buffer circuit that improves the electrostatic sustenance. In the circuit construction of the present invention there are provided dummy MOS transistors that are connected to an output terminal in parallel with the stan... | 10/04/1988 |
| 4775810 | Parity check logic circuit A multiple-input logic circuit for carrying out an even parity check operation or an odd parity check operation on a plurality of input signals has such a circuit construction that a signal only passes through a maximum of essentially two gates between an... | 10/04/1988 |
| 4775811 | Phase comparator A phase comparison circuit for producing a voltage error signal proportional to the difference in phase between a reference signal and an input signal. The reference signal is in the form of a sawtooth wave signal having a fixed frequency and fixed period... | 10/04/1988 |
| 4775812 | Three section brushless motor A brushless motor includes a first motor section provided with a switching element to change over energization of an exciting coil wound around a stator pole based on a signal from a rotor position detector for detecting rotational position of a rotor mag... | 10/04/1988 |
| 4775813 | Electric motor having formed stator sections with coplanar teeth An electric motor comprises a rotor (20), an annular stator coils (44A, 44B), and a stator body having a central stator portion (24A, 24B) which is disposed coaxially around the rotor shaft (18) and a number of stator teeth. The stator teeth each have a p... | 10/04/1988 |
| 4775814 | Saw device In a SAW device comprising a piezoelectric substrate and at least one set of metallic electrodes formed on the piezoelectric substrate, at least one set of the electrodes have a laminated structure comprised of a layer of an aluminum film added with an im... | 10/04/1988 |
| 4775815 | Shear motor for dynamic mount for laser-beam steering mirror A dynamic mount and actuator for a laser mirror 20 comprising three piezoelectric motors 40 mounted 120° apart on a motor-mount member 32. Each motor 40 comprises a rectangular block 44 composed of horizontal layers of electroded piezoelectric wafers 46,... | 10/04/1988 |
| 4775816 | Piezoelectric sensor A piezoelectric sensor adapted for incorporation into a high pressure fuel line employs a pair of piezoelectric transducer elements which are mounted in diametrically opposed bores of a main body. The body forms an axially extending fluid conduit. The mai... | 10/04/1988 |
| 4775817 | Faceplate cooling system for display tube The invention relates to a display tube which is cooled by a flow of a translucent cooling liquid through a sealed space adjacent the display window, stimulated by a fluid-driven pump having two chambers, a drive chamber driven by a remotely located activ... | 10/04/1988 |
| 4775818 | Liquid metal ion source and alloy A liquid metal ion source and alloy, wherein the species to be emitted from the ion source is contained in a congruently vaporizing alloy. In one embodiment, the liquid metal ion source acts as a source of arsenic, and in a source alloy the arsenic is com... | 10/04/1988 |
| 4775819 | Mask type color television tube and method of manufacturing the same Color television tube provided with a perforated mask and three aligned electron guns, the openings of the mask far from the center of the mask having a major axis inclined with respect to the vertical, the inclination increasing with the distance... | 10/04/1988 |
| 4775820 | Multilayer electroluminescent device An electroluminescent device comprises a pair of electrodes and a luminescent layer sandwiched between the electrodes, the luminescent layer comprising: (a) one layer comprising a relatively electron-acceptable organic compound, (b) another layer containing a ... | 10/04/1988 |
| 4775821 | Variable input voltage DC to DC converter with switching transistor drive current regulator The DC to DC converter includes a coupled inductor having a primary winding and a feedback winding. A drive current regulator circuit receives a variable input voltage from the feedback winding but transmits a constant base drive current to the base termi... | 10/04/1988 |
| 4775822 | Power network fluorescent lamp operating circuit To operate a fluorescent lamp having a lamp operating voltage of to about 0 V from a power supply having a nominal voltage level below lamp operating voltage, and without use of a voltage doubler circuit or a transformer to increase the power supply volta... | 10/04/1988 |
| 4775823 | Method for controlling opening/closing operation of automatic door in its accidental condition According to a method for controlling an automatic door of the present invention, even when an accidental condition occurs due to some obstacle clogging a traveling lane of the door, the door can move at a high speed to its deceleration point so as to imm... | 10/04/1988 |
| 4775824 | Motor control for banknote handing apparatus An improved motor cntrol for banknote handling apparatus is described. An improved stacker pusher motor arrangement has a defined cycle of operation. The time it takes the stacker pusher motor to complete a predetermined portion of this cycle is measured.... | 10/04/1988 |
| 4775825 | Positioning method and apparatus therefor A method and apparatus for moving a moving member of a positioning mechanism to a target position by means of a stepper motor as a driver. The method and apparatus alleviate the positioning error attributable to the hysteresis of the stepper motor, which ... | 10/04/1988 |
| 4775826 | Battery system for auxiliary aircraft power A battery system for auxiliary aircraft power includes a 30 volt battery pack consisting of two twelve volt batteries and one six volt battery connected in series. A constant voltage device is connected in series with the battery pack to reduce the higher... | 10/04/1988 |
| 4775827 | Device for indicating the charge status of a battery A device for determining the charge status of a battery (4) when it is discharged by a load (RL) and/or when it is charged by a power-supply circuit (1) in which a value representing the nominal charging time and discharging time respectively i... | 10/04/1988 |
| 4775828 | Power level indicator for an electric generator A power level indicator is described for use with an electric generator for indicating to the operator the percentage of the total power available from the generator which is being consumed by a load.... | 10/04/1988 |
| 4775829 | On-chip voltage stabilizing circuit In order to substantially suppress the noise of an integrated constant-voltage source, an integrated circuit includes an RC low-pass filter having its capacitor connected between an external chip terminal and an external ground, while the remainder of the... | 10/04/1988 |
| 4775830 | Method of and arrangement for measuring low capacitances Method of and arrangement for measuring low capacitances include generating a periodic frequency signal having time periods of duration dependent on capacitance, and alternately connecting an unknown capacitance to be measured and a known reference capaci... | 10/04/1988 |
| 4775831 | In-line determination of presence of liquid phase moisture in sealed IC packages Liquid-phase moisture is detected in sealed integrated circuit packages by measuring the conductance and capacitance of the integrated circuit at a temperature which is above temperatures which allow moisture to condense; and remeasuring the conductance a... | 10/04/1988 |
| 4775832 | Conductor tracer transmitter with non-reversing magnetic field tracing signal A conductor tracer which is used to trace and identify a conductor energized by an AC energizing signal includes an improved transmitter by which to draw a current tracing signal from the energized conductor. The current tracing signal is phase shifted by... | 10/04/1988 |
| 4775833 | Lodged debris detector for a particle analyzer A debris detector for a particle counter, such as a blood cell counter, of the COULTER (R) type. When a particle, or transient debris, passes through the sensing orifice of the particle detector, a voltage pulse occurs; whereas, when debris lodges in or a... | 10/04/1988 |
| 4775834 | Pulse width-pulse height multiplicator in a static kWh meter In a static KWh meter, a pulse width-pulse height multiplicator which forms a pulse width-pulse height-modulated signal proportional to the product of measuring signals proportional to voltage and current intensity, said signal being supplied to a voltage... | 10/04/1988 |
| 4775835 | Magnetic resonance imaging apparatus including sequence controller A magnetic resonance imaging apparatus includes a sequence controller. The sequence controller includes an event memory for storing a plurality of data subsets useful for applying magnetic fields and radio frequency (RF) pulses to a body under medical exa... | 10/04/1988 |
| 4775836 | Flow-through cell for NMR spectroscopy of liquid samples A flow-through cell for subjecting a liquid sample to NMR spectroscopy retains the sample in a substantially spherical volume which, in use, is located inside the RF coil. Because the volume is spherical, artifacts caused by inhomogeneity in magnetic susc... | 10/04/1988 |
| 4775837 | Surface coil for high-frequency magnetic fields for magnetic resonance examinations A surface coil for magnetic resonance examinations which serves to generate or receive high-frequency magnetic fields. The loop forming the surface coil is divided into at least two, preferably equal loop sections. At least the loop section to be coupled ... | 10/04/1988 |
| 4775838 | Sensor with periodic heating A gas sensor includes a pair of lead strips, a sensing element preferably comprised of a metal oxide semiconductor, such as SnO2, and extending between the pair of lead strips in the form of a bridge, a heater driver for supplying a heating cur... | 10/04/1988 |
| 4775839 | Control apparatus for the electronic detection in a.c. power transmission lines of fault locations causing power losses The control apparatus has an antenna (10) for the reception of electromagnetic radiation emitted from the alternating current transmission line. The antenna (10) is connected to an amplifying device (20) the signal output (22) of which is connected to an ... | 10/04/1988 |
| 4775840 | Noise removing circuit A noise removing circuit is disclosed for removing noise of a duration shorter than a predetermined period of time from an input signal. A monitor circuit is provided for monitoring the input signal to detect whether each time interval occuring between a ... | 10/04/1988 |
| 4775841 | Voltage to frequency conversion circuit with a pulse width to period ratio proportional to input voltage A voltage to frequency converter controls the successive charge-discharge of an integrating circuit charging capacitor between low and high voltage levels to produce through a reference voltage controlled pulse generating circuit, a pulse output in which ... | 10/04/1988 |
| 4775842 | Multi-output feedback amplifier A feedback amplifier for providing an amplified signal to first and second utilization networks includes first and second feedback paths. The amplifier output is coupled via a first coupling resistor to a first terminal to which the first utilization netw... | 10/04/1988 |
| 4775843 | Wideband post amplifier for product detector A wide bandwidth amplifier is coupled to the differential output of a four-quadrant multiplier. The amplifier includes a differential to single-ended input stage driving the inverting input of an operational amplifier which has its noninverting input oper... | 10/04/1988 |
| 4775844 | Bridge amplifier topology A class A bridge topology for audio amplifiers configured to operate in constant current mode, comprising power stages (3,4,5,6) supplied by supplies (8,9) and driven to equal amplitude opposite phase output signals applied across a load (7). Symmetrical ... | 10/04/1988 |
| 4775845 | Microwave oscillator with external feedback The present invention provides an alternative circuit for microwave oscillators. The invention consists of an amplifier, signal divider, filter(s), and optional limiter. The feedback path is external to the amplifier, allowing direct access and control of... | 10/04/1988 |
| 4775846 | Unidirectional surface acoustic wave device In order to present an asymmetric frequency characteristic in an unidirectional acoustic surface wave device with a simple external phase shifter, a transducer formed on a substrate have three interaction areas (acoustic sources) defined by different thre... | 10/04/1988 |
