Bizarre Patents
Hands free towel carrying system
A hands free towel carrying system for coupling a towel to a user to prevent loss, theft or contamination.
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 |
| 7605729 | Apparatus and method for converting analog signal into digital signal taking average value of analog signal for sample period Provided is an apparatus and method to convert an analog signal into a digital signal, more particularly, an apparatus and method for converting an analog signal into a digital signal, the apparatus and method to perform a sampling operation by taking an average val... | 10/20/2009 |
| 7363413 | Method and apparatus for controlling connections of PC cards and a passive-card-adapting card used for connecting one of the PC cards to the apparatus A PC card control apparatus includes a PC card connector, a card detector and an interconnection switching circuit. The PC card connector is configured to provide connections for connecting one of a first PC card compliant with specific card standards and a card-ada... | 04/22/2008 |
| 7319419 | Switched capacitor circuit with current source offset DAC and method A switched-capacitor sample/hold circuit includes a switched-capacitor input sampling stage and a sample/hold amplifier circuit including an operational amplifier having first and second inputs coupled to first and second input sampling capacitors, respectively, and... | 01/15/2008 |
| 7274316 | System and method for managing data from a flow analyzer A system and method for processing sample data employing hardware, such as a Field Programmable Gate Array (FPGA), to process the sample data in small pipelined steps. The processing includes a circular buffer where the read and write of data is synchronous, prevent... | 09/25/2007 |
| 7271755 | Resistor ladder interpolation for PGA and DAC A voltage interpolation circuit includes a resistive ladder connected between ground and a voltage input and having a plurality of resistors with voltage taps between the resistors. An amplifier (optionally) has first and second capacitors connected together at thei... | 09/18/2007 |
| 7199737 | Disconnecting a time discrete circuit from a track-and-hold circuit in track mode A system and method for an improved analog front-end system is disclosed. By coupling a switch to the output of a track-and-hold circuit and to the input of a time-discrete circuit, such as an analog-to-digital converter, the time-discrete circuit can be disconnecte... | 04/03/2007 |
| 6888483 | High speed analog to digital converter An input stage includes a plurality of arrays of autozero amplifiers arranged in series in each array, wherein each autozero amplifier receives an output of a preceding autozero amplifier, wherein a first autozero amplifier in each array amplifiers receives an input... | 05/03/2005 |
| 6608583 | Analog signal input circuit in analog signal processing apparatus An analog signal input circuit having sample-hold circuit that is constituted by a switched capacitor amplifier for which the gain is controlled according to the capacitance ratio of the plurality of capacitors connected with a switch group, for which the... | 08/19/2003 |
| 6317070 | Floating-point analog-to-digital converter The demand on very high resolution A/D converter can be eliminated by using the invented floating-point A/D converter when the resolution is merely used for covering the signal dynamic range rather than the quantization accuracy. This can be achieved by p... | 11/13/2001 |
| 5426430 | Pipelined charge metering digital-to-analog data line driver A data line driver circuit having application in active matrix displays, such as thin-film transistor liquid crystal displays, uses charge metering techniques to achieve high precision and analog pipelining. Pipelining permits both the digital-analog conv... | 06/20/1995 |
| 5367301 | Method and system for decoding digital audio files A system (99) and a method decodes digital audio data (126) by identifying circuits (112) on peripheral devices (119) attached to a computer (113) or peripheral interfaces (107), such circuits capable of performing digital to analog conversions, and sendi... | 11/22/1994 |
| 4980686 | Sample-and-hold amplifier with controllable source charger A sample & hold amplifier (SHA) is particularly for systems requiring a fast and highly accurate analog storage of a instantaneous value of an input voltage. The SHA essentially comprises a comparator, integrator and control circuit. The comparator solves... | 12/25/1990 |
| 4973975 | Initial potential setting circuit for a sample/hold circuit associated with an A/D converter One of analog input voltages applied to a plurality of analog input terminals is selected by means of analog switches connected to the respective analog input terminals and supplied to a common terminal. In this case, each of the analog switches permits s... | 11/27/1990 |
| 4882586 | Analog-to-digital converter A power steering control unit for use with an electric motor assisted vehicle power steering system. The control unit includes two microprocessor controllers that monitor vehicle speed and a torque applied through a vehicle steering column in calculating ... | 11/21/1989 |
| 4866441 | Wide band, complex microwave waveform receiver and analyzer, using distributed sampling techniques A microwave signal receiving apparatus comprises a delay line for distributing a microwave signal, samplers for sampling the signal spatially along the delay line and producing analog samples, analog-to-digital converters for converting the analog samples... | 09/12/1989 |
| 4812848 | Analog to digital conversion A method and apparatus of converting analog voltage signals to digital frequency signals comprises a voltage to frequency converter having an output which produces pulse trains that are proportional to the voltage level of an analog voltage signal applied... | 03/14/1989 |
| 4558301 | Voltage-to-frequency and analog-to-digital converter circuit A voltage-to-frequency and analog-to-digital conversion circuit using a microprocessor-controlled capacitor charge-discharge scheme provides high resolution and low component count and is particularly suitable for use with resistance bridge transducers.... | 12/10/1985 |
| 4465370 | Light measuring device A light measuring device includes one or more photodiodes, which generate current in relation to the received light, and at least one capacitor for integrating the generated current. The amount of charge stored in the at least one capacitor at the complet... | 08/14/1984 |
| 4368457 | Analog-to-digital converter An analog-to-digital converter comprising a capacitive element for storing an analog input signal, a discharge means for discharging the charge stored in said capacitive element, a means for counting the number of clockpulses between the time of discharge... | 01/11/1983 |
| 4338665 | Data gathering system for automotive vehicles A data gathering system is disclosed for use with an automotive vehicle. The system includes an A/D converter for converting an input analog value into a corresponding digital value, a multiplexor having a number of data channels for transferring vehicle ... | 07/06/1982 |
| 4319226 | Signal converter utilizing two clock signals A signal converter includes a generator for generating first and second clock signals having recurrence periods equal to each other and phases different from each other, an input for receiving as a signal to be converted a signal which has signal levels n... | 03/09/1982 |
| 4250493 | Analog-to-digital converter employing constant-current circuit incorporating MISFET The constant-current circuit consists of two MISFETs connected in series and a gate bias circuit for these MISFETs. The drain voltage of the first MISFET is maintained substantially constant by the source voltage of the second MISFET. The first MISFET doe... | 02/10/1981 |
| 4191942 | Single slope A/D converter with sample and hold A converter circuit employs a capacitor coupled through a selector switch to an analog voltage so that the capacitor is charged to the analog level. When a conversion is commanded, the capacitor is disconnected from the analog voltage and discharged throu... | 03/04/1980 |
| 4058808 | High performance analog to digital converter for integrated circuits An analog to digital converter suitable for fabrication according to integrated circuitry technology. The voltage to be converted is applied to a storage capacitor which is pulse discharged in discrete equal amounts determined by a voltage controlled cons... | 11/15/1977 |
| 4001812 | Method of and means for quantizing analog-voltage samples Analog-voltage samples to be transmitted in digital form over a communication channel, ranging between a lower and an upper limit Vmin and Vmax, are quantized in 2n levels with 2n/2 major quantum steps each subd... | 01/04/1977 |
