Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7443256 | Oscillator circuit with a voltage restriction block An oscillator circuit having a relatively simple circuit structure while enabling full swing with low power consumption includes an oscillation core block, a voltage restriction block, and a differential output block. Drain terminals of first and second transistors ... | 10/28/2008 |
| 7432771 | Oscillator circuit having temperature and supply voltage compensation An oscillator circuit includes a current source comprising an amplifier, a first resistor, a second resistor, and a third inverter whose input and output are connected and coupled with an input of the amplifier. The amplifier is configured to generate a first curren... | 10/07/2008 |
| 7420431 | RC oscillator integrated circuit including capacitor An RC oscillator integrated circuit includes: an active current mirror connected to an external resistor, for receiving a current signal corresponding to a voltage signal applied to the external resistor, performing 1/N-times division of the received current signal ... | 09/02/2008 |
| 7385452 | Voltage controlled oscillator using capacitive degeneration A VCO is based on a capacitively emitter degenerated topology which uses a cross-coupled MOS pair as the degeneration cell. The cross-coupled MOS pair contributes additional conductance and results in a higher maximum attainable oscillation frequency and better nega... | 06/10/2008 |
| 7348860 | Triple-input relaxation oscillator with differential controllability There are provided relaxation oscillators and methods for controlling the same. A relaxation oscillator includes a load device, a switching device, a fine-tuning varactor, and a current source. The load device is configured to provide a variable oscillator output ba... | 03/25/2008 |
| 7190103 | Matching circuit for megasonic transducer device A method and apparatus for matching impedance magnitude and impedance phase for an acoustic-wave transducer load and an RF power source. The acoustic-wave transducer load has a load impedance magnitude and phase. The RF power source has a source impedance magnitude ... | 03/13/2007 |
| 7119626 | Oscillation circuit and operation method thereof An oscillation circuit has: a first MOS transistor having a gate connected to a first node and a source connected to the ground; a second MOS transistor having a gate connected to a second node and a source connected to the ground; a current supply circuit supplying... | 10/10/2006 |
| 6943638 | Voltage controlled oscillator and electronic system using the same A voltage controlled oscillator comprises two XOR logic units and two inverters. A first inverter inverts a first XOR result into a first output signal; a second inverter inverts a second XOR result into a second output signal; a first XOR logic unit performs an XOR... | 09/13/2005 |
| 6600379 | Voltage-controlled variable duty-cycle oscillator A voltage-controlled variable duty-cycle oscillator includes a current generator whose current Iref mirrored in three one-shots that each include two pair of series-coupled MOS transistors and a timing capacitor. The timing capacitor is precharged to Vcc ... | 07/29/2003 |
| 6587007 | Ring topology based voltage controlled oscillator A VCO includes N delay stages that each contribute 180°/N phase shift at the VCO frequency of interest and provide a tunable selection of at least a fast delay and a slow delay path. Each delay stage includes a delay interpolator that smoothly interpolat... | 07/01/2003 |
| 6404296 | Amplitude-leveled wide-range source-coupled oscillator A source-coupled oscillator contains two main MESFETs which supply current to respective loads and which have sources connected through a capacitor. Each of the main MESFETs is supplied with a constant current which can be adjusted to vary the frequency o... | 06/11/2002 |
| 6377129 | Programmable relaxation oscillator An oscillator has a slope-fixing circuit that generates a control signal and fixes the slope of the control signal, a swing-fixing circuit that fixes the swing of the control signal, and a switching block that generates an output signal having a frequency... | 04/23/2002 |
| 6337605 | Temperature compensated oscillator The present invention concerns an oscillator (20) intended to supply a periodic electric voltage (Vo) at a predetermined frequency (f). This oscillator includes: a reference source (23) able to provide a reference voltage (Vref), this reference source inc... | 01/08/2002 |
| 6236280 | Low-noise voltage controlled oscillator A voltage controlled oscillator has first and second complementary output terminals. A first edge delay circuit has an input terminal, an output terminal, and a control input terminal. The input terminal is coupled to the first complementary output termin... | 05/22/2001 |
| 6225872 | Resonator having a selection circuit for selecting a resonance mode A resonator includes a resonating device and a selection circuit for selecting a resonance mode. The selection circuit is formed by a first-order oscillator which is provided with a synchronization input and whose output is connected to the excitation inp... | 05/01/2001 |
| 6215369 | Controllable oscillator with feedback for reducing DC level of output signals A controllable oscillator, comprising a first (Rc,Ms1,Ms2,R'c') and a second (R1,Mi1,Mi2,R2) amplifier which are provided with inputs (Vcc,Vee) f... | 04/10/2001 |
| 6198358 | Voltage or current controlled multivibrator oscillator circuit An oscillator circuit comprises two main transistors (Q1, Q2), between which is provided a positive feedback by connecting each transistor base to the collector of the other transistor via buffer transistors (Q3, Q4). A capacitor (C) is connected between ... | 03/06/2001 |
| 6157268 | Voltage controlled emitter coupled multivibrator circuit Increase of frequency and reduction of power consumption are advanced for a voltage controlled oscillation circuit. A capacitor C1 is connected between emitters of first and second transistors Tr1, Tr2 to receive an electric current from constant current ... | 12/05/2000 |
| 6091307 | Rapid turn-on, controlled amplitude crystal oscillator A crystal tank circuit is connected between the ac cross-coupled outputs of two transistors that are selectively biased to an appropriate common mode voltage to cause rapid build-up of oscillation when the circuit is turned on and in which oscillation is ... | 07/18/2000 |
| 5994972 | Emitter-coupled multivibrator having frequency proportional to control voltage An emitter-coupled multivibrator includes two transistors, a base potential supplying circuit for maintaining the base potential of one transistor which is on at a high potential and the base potential of the other transistor which is off at a low potenti... | 11/30/1999 |
| 5914642 | Temperature independent current controlled multivibrator A current-controlled multivibrator having increased accuracy independent of variations in process and temperature. The oscillator employs a bandgap voltage in combination with a current generator to ensure operational stability despite temperature and pro... | 06/22/1999 |
| 5896070 | Voltage or current controlled emitter-coupled multivibrator with pull-down amplifiers An emitter-coupled multivibrator oscillator circuit including a pair of main transistors (Q1,Q2) having a positive feedback, in which the base of each transistor is connected to the collector of the other transistor via buffer transistors (Q3,Q4). A capac... | 04/20/1999 |
| 5867070 | Voltage controlled emitter-coupled multivibrator A voltage controlled emitter-coupled multivibrator in which a frequency range of an oscillating signal and a frequency within the frequency range can be adjusted. An emitter-coupled multivibrator is provided with an emitter follower buffer having first an... | 02/02/1999 |
| 5825256 | Emitter coupled multivibrator circuit An emitter-coupled multivibrator circuit including a pair of main transistors (Q1,Q2) having a positive feedback, in which the base of each transistor is connected to the collector of the other transistor. A capacitor (C) is connected between the emitters... | 10/20/1998 |
| 5801593 | Voltage-controlled oscillator capable of operating at lower power supply voltages An improved voltage controlled oscillator circuit is based on a multivibrator design with an internal gain stage to permit low voltage operation. An internal gain stage maintains a loop gain of greater than one to ensure oscillation even at power supply v... | 09/01/1998 |
| 5712600 | Astable multivibrator An astable multivibrator comprising a capacitor connected between a first output signal and a third output signal, an amplification circuit connected between the first and third output signals, a delay for delaying a signal logic-converted from the first ... | 01/27/1998 |
| 5604466 | On-chip voltage controlled oscillator An on-chip voltage controlled oscillator for use in an analog phase locked loop receives power from a voltage regulator which greatly reduces the noise seen by the voltage controlled oscillator. The voltage controlled oscillator has a DC bias section whic... | 02/18/1997 |
| 5367270 | Voltage controlled oscillator operable over a large frequency range A voltage controlled oscillator circuit is shown in integrated circuit chip design form. The frequency range of the circuit is extended by providing switch means for isolating the off-chip frequency determining capacitor and employing a minimum-value on-c... | 11/22/1994 |
| 5357220 | Emitter-coupled oscillator with differential switching control An emitter-coupled oscillator circuit suitable for monolithic integration. The emitter-coupled oscillator circuit comprises (a) switching means for producing at an output port an output signal having a variable oscillation frequency, and the switching mea... | 10/18/1994 |
| 5341113 | Voltage controlled oscillator having a 50% duty cycle A voltage controlled oscillator (VCO) (2) provides an output signal which has a 50% duty cycle and a frequency which depends on the voltage of a control signal (V) supplied thereto. The VCO (2) comprises first (CL) and second (CR) ca... | 08/23/1994 |
| 5250914 | Oscillation circuit operating with stable oscillation frequency at a specific low power-supply voltage In an oscillation circuit, the Schmidt circuit generates the control signal of the first level when the charge-discharge voltage inputted from the capacitor shifts to a voltage higher than the first threshold voltage and generates the control signal of th... | 10/05/1993 |
| 5231362 | Circuit device for phasing an oscillator A circuit device for phasing an oscillator, which comprises a multivibrator having a transistor pair with the emitters coupled through a capacitor, comprises a normally open electronic switch controlled by a drive signal to close and inhibit the oscillato... | 07/27/1993 |
| 5216390 | Oscillator having a linear frequency versus current characteristic An oscillator comprising a first and a second transistor having their sources interconnected via a capacitor and in which each gate is connected to the drain of the other transistor and each drain is connected to a load circuit. A load circuit in the form... | 06/01/1993 |
| 5187452 | Control circuit for an oscillator A control circuit for an oscillator comprising a multivibrator with transistors having their emitters connected in common and being supplied corresponding currents on respective legs, comprises a circuit structure adapted to produce on output terminals, o... | 02/16/1993 |
| 5061908 | Emitter-coupled multivibrator circuit independent of temperature and supply voltage An emitter-coupled multivibrator circuit independent of temperature and supply voltage includes an oscillator circuit (11), a current control circuit (12) and a supply voltage circuit (13) for producing at least one reference voltage. The oscillator circu... | 10/29/1991 |
| 5017890 | Phase-controllable oscillator A phase-controllable oscillator consists of a capacitance and an apparatus for charging and an apparatus for discharging the capacitance. In addition, feedback is provided for activating the charging and discharging apparatus in dependence on the oscillat... | 05/21/1991 |
| 4947140 | Voltage controlled oscillator using differential CMOS circuit A voltage controlled oscillator comprises a differential circuit composed of first and second MOS transistors each having a drain connected to a gate of the other MOS transistor and each having a source connected to a constant current source, a capacitor ... | 08/07/1990 |
| 4837458 | Flip-flop circuit A flip-flop circuit which requires only a small drive power and which operates with small power consumption, and in which the on-off transition occurs reliably. The flip-flop circuit comprises MOS field effect transistors (abbreviated as MOSFET's) and res... | 06/06/1989 |
| 4831342 | Variable frequency multivibrator A variable frequency multivibrator circuit comprises first and second switching transistors having emitters coupled across a timing capacitor. First and second feedback circuits provide positive feedback to the first and second switching transistors whene... | 05/16/1989 |
| 4812784 | Temperature stable voltage controlled oscillator with super linear wide frequency range A voltage controlled oscillator (VCO) having high temperature stability and wide voltage/frequency linearity is provided. The VCO comprises a multivibrator being switched by a bipolar type device, and temperature fluctuations of the bipolar type means are... | 03/14/1989 |
