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Hands free towel carrying system
A hands free towel carrying system for coupling a towel to a user to prevent loss, theft or contamination.
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| Number | Title | Issue Date |
| 8143876 | Digital regulator in power management A method and system for controlling a plurality of output voltages. ... | 03/27/2012 |
| 8054059 | DC/DC converter and current sense circuit thereof A current sense circuit includes a power transistor, a first level shifter, an operational transconductance amplifier (OTA), a second level shifter, and a dummy transistor. The power transistor has a first terminal and a power control terminal coupled to a control v... | 11/08/2011 |
| 7859242 | DC-DC Converter A DC-DC converter includes a reference voltage generation circuit. The reference voltage generation circuit generates a reference voltage for determination of the pulse width of a drive signal to be supplied to a switching circuit. The reference voltage generation c... | 12/28/2010 |
| 7433800 | System and method for measuring performance of a voltage regulator module attached to a microprocessor A system for measuring performance of a voltage regulator module (VRM) attached to a microprocessor includes: a voltage transient tester (VTT) fixture (5) for setting different working voltage levels of the VRM; an oscillograph (2) for measuring transi... | 10/07/2008 |
| 7352210 | Device and method for voltage regulator with stable and fast response and low standby current An apparatus and method for regulating voltage levels. The apparatus includes a first transistor and a second transistor. The first transistor and the second transistor are each coupled to a first current source and a second current source. Additionally, the apparat... | 04/01/2008 |
| 7339173 | Method for stabilizing the temperature dependency of light emission of an LED Method for correction of the temperature dependency of a light quantity L emitted by a light emitting diode (LED), being operated in pulsed mode with substantially constant pulse duration tP, and measured in a light detector, using a predetermined paramet... | 03/04/2008 |
| 7265529 | Zero power start-up circuit An improved start-up circuit and method for self-bias circuits is described that applies a start-up voltage and current to a self-bias circuit to initialize its operation in its desired stable state. Once the self-bias circuit converges to its desired state of opera... | 09/04/2007 |
| 7259614 | Voltage sensing circuit An auto voltage sense circuit uses voltage controlled current sources to generate a desired reference voltage level that closely tracks the variations and changes of a first voltage level and a second voltage level. The auto voltage sensing circuit includes a first ... | 08/21/2007 |
| 7235981 | Impedance conversion circuit and integrated circuit including thereof An impedance conversion circuit including: a first voltage-to-current converter and a second voltage-to-current converter supplied with differential input signal voltages; an inverting amplifier; and a third voltage-to-current converter for feedback; wherein a first... | 06/26/2007 |
| 7227341 | Circuit for use with switched leg power supply A circuit for use with a power supply coupled in a switched leg of, for example, a lighting circuit, is described. The circuit provides a low impedance near the zero crossing of the AC signal and a high impedance thereafter, thereby allowing the power supply to draw... | 06/05/2007 |
| 7222243 | Power delivery system for a microprocessor A power delivery system delivers a relatively constant voltage to a microprocessor with low inductance and low resistance. The system includes a motherboard, an integrated circuit (IC) mounted on one side of the motherboard, a capacitor bank mounted on the opposite ... | 05/22/2007 |
| 7190189 | Device and method for voltage regulator with stable and fast response and low standby current An apparatus and method for regulating voltage levels. The apparatus includes a first transistor and a second transistor. The first transistor and the second transistor are each coupled to a first current source and a second current source. Additionally, the apparat... | 03/13/2007 |
| 7170104 | Arrangement with p-doped and n-doped semiconductor layers and method for producing the same An arrangement having p-doped semiconductor layers and n-doped semiconductor layers which exhibits transitions between the p-doped semiconductor layers and n-doped semiconductor layers, the transitions displaying a Zener breakdown upon application of a voltage chara... | 01/30/2007 |
| 7150561 | Zero temperature coefficient (TC) current source for diode measurement A method and circuit for reducing a temperature dependent error in p-n junction based temperature measurements. The temperature-dependent error may be caused by parasitic resistance in a p-n junction and temperature dependent variation of a bias current in a tempera... | 12/19/2006 |
| 7102600 | System and method for manufacturing a electro-optical device The invention provides an electronic device that performs driving control of an electro-optical device by current driving at a high precision and reduces the number of components. The invention can include, along a data line to which pixel circuits are connected bet... | 09/05/2006 |
| 7075977 | Circuit for a transceiver output port of a local area networking device A driving circuit for a transceiver output port of a local area networking device is provided, including first and second current sources coupled to the ground, first and second resistors coupled to the supply voltage with the resistances of the first and second res... | 07/11/2006 |
| 7053699 | Current output stages Current output stages are provided. In accordance with an embodiment, a current output stage includes a voltage follower circuit, a first current mirror and a second current mirror. A node of the voltage follower circuit provides a voltage that follows a voltage at ... | 05/30/2006 |
| 6933769 | Bandgap reference circuit A reference circuit generates a reference voltage from a supply voltage. The reference circuit includes a current generating unit for generating generated currents. An output unit of the reference circuit generates the reference voltage based on the generated curren... | 08/23/2005 |
| 6927622 | Current source A current source, adapted to generate a current proportional to absolute temperature has a greatly reduced supply voltage dependence and is still able to operate at low operating voltages. This is achieved by the incorporation of a compensation resistor through whic... | 08/09/2005 |
| 6919811 | Charger detection and enable circuit A detection circuit is configured to detect the presence of a power source by comparing two input voltages (VIN1, VIN2). An example detection circuit is arranged, such that the first input voltage (VIN1) may operate above the process limit for t... | 07/19/2005 |
| 6538495 | Pair of bipolar transistor complementary current sources with base current compensation A pair of complementary current sources includes a reference current source, and two complementary current mirrors having the same number of branches provided with bipolar mirror transistors. The bases of the mirror transistors of the complementary mirror... | 03/25/2003 |
| 6411154 | Bias stabilizer circuit and method of operation A bias circuit (200, FIG. 2) includes a first bipolar junction transistor (BJT) (240), which provides, to an external transistor (204), a biasing voltage (294) equal to the first BJT's base-emitter junction voltage plus a biasing voltage at the first BJT'... | 06/25/2002 |
| 6320361 | Buffer device with dual supply voltage for low supply voltage applications An output buffer device having first and second supply voltage references, the first voltage reference being lower in value than the second voltage reference. The output buffer device includes first and second complementary MOS transistors, which transist... | 11/20/2001 |
| 6236195 | Voltage variation correction circuit The invention relates to a circuit for correcting variation in voltage. A voltage variation correction in this invention has an output terminal for outputting a given voltage, a transistor connected between a power supply voltage and the output terminal, ... | 05/22/2001 |
| 6191967 | Voltage supply device having self-testing circuit A device selectively supplying a high voltage and a ground level voltage to electrodes of an electroluminescent display panel. The voltage supply device includes a first and a second transistor connected in series, and outputs the high voltage upon turnin... | 02/20/2001 |
| 6051965 | Two-terminal paired circuit A two-terminal paired circuit is disclosed which comprises two sets of differential pairs wherein a first set of the differential pair includes two transistors collectors of which are connected to a pair of input terminals and to a bias circuit serving al... | 04/18/2000 |
| 5856742 | Temperature insensitive bandgap voltage generator tracking power supply variations A circuit for generating a bandgap voltage that is insensitive to temperature. The circuit includes an amplifier with a feedback loop having a high impedance output current mirror controlled by transistors connected to an output from the amplifier. The cu... | 01/05/1999 |
| 5828182 | Apparatus for supplying power from a ballast circuit to an auxiliary load The present invention is directed to a power supply circuit for controlling a load which, for example, includes both a gas-discharge lamp and an auxiliary load. The power supply circuit includes a ballast circuit for limiting current supplied to the gas d... | 10/27/1998 |
| 5821741 | Temperature set point circuit and method employing adjustment resistor A temperature set point circuit employs a pair of bipolar transistors operated at unequal current densities, with the difference between the transistors' base-emitter voltages appearing across a trim resistor connecting their emitters. A pair of trim resi... | 10/13/1998 |
| 5814980 | Wide range voltage regulator A voltage regulating system and method are disclosed for use in an integrated circuit. The voltage regulating system can operate with a supply voltage ranging from 2.9 to 5.5 volts. The voltage regulating system includes a differential amplifier which is ... | 09/29/1998 |
| 5781002 | Anti-latch circuit for low dropout dual supply voltage regulator Efficient very low dropout (i.e., approximately equal to about VCESAT of the output transistor) dual supply voltage regulator circuits and methods are provided. The voltage regulators are capable of providing very low dropout irrespective of su... | 07/14/1998 |
| 5745563 | Telephone subscriber line circuit, components and methods A subscriber line circuit for a telephone network having current controlled switches and current sources. Methods of making and using the components are also disclosed.... | 04/28/1998 |
| 5616971 | Power switching circuit A power switching circuit includes a power switching NPN transistor (1) having its collector electrode coupled to a reference potential terminal (17) and its emitter electrode coupled to an output terminal (7). A driver circuit (5) is provided having an i... | 04/01/1997 |
| 5493155 | Electric power supply system This electric power supply system includes an air conditioner serving as load, a solar photovoltaic cell for supplying power to the air conditioner, and a system power control circuit and further including a commercial power source for use in combination ... | 02/20/1996 |
| 5399914 | High ratio current source A current source circuit includes at least three pairs of bipolar transistors of the same polarity type. The first transistors of each pair are connected in one series circuit string emitter to collector. The second transistors of each pair are connected ... | 03/21/1995 |
| 5392205 | Regulated charge pump and method therefor A regulated charge pump (43) includes a charge pump core (114) having a charging capacitor (80). An output voltage on a first terminal (72) of the charging capacitor (80) is transferred to a holding capacitor (81). A second terminal (73) of the charging c... | 02/21/1995 |
| 5305259 | Power source voltage tracking circuit for stabilization of bit lines A power source voltage tracking circuit, for providing a given voltage which is lower than power source voltage, containing a first node for applying a power source voltage, a second node and an output line, a load connected between the first node and the... | 04/19/1994 |
| 5296800 | Regulated power supply circuit The invention relates to a regulated DC power supply circuit comprising a full wave rectification stage for rectifying an AC input and a regulating stage for regulating an output voltage from the rectification stage. The regulating stage has a primary vol... | 03/22/1994 |
| 5235520 | Integrated circuit having a function for generating a constant voltage Disclosed is an integrated circuit which comprises: a constant voltage circuit including a reference voltage generator, a feedback amplifier, a differential amplifier having an input for receiving an output signal of the reference voltage generator as a r... | 08/10/1993 |
| 5028822 | Circuit arrangement for processing analogue electrical signals A circuit arrangement for processing sampled analogue electrical signals comprises means for combining (9) in predetermined proportions on input sample current in the present sample period with current(s) derived from input sample current(s) in one or mor... | 07/02/1991 |
