Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7601584 | Semiconductor array and method for manufacturing a semiconductor array A method for manufacturing a semiconductor array, particularly a high-frequency bipolar transistor, is provided, the method includes process steps, so that a dielectric is produced on a mono-crystalline, first semiconductor region of a first conductivity type, a sil... | 10/13/2009 |
| 7601568 | MOS transistor and method for producing a MOS transistor structure A MOS transistor, and a method for producing the same, is provided with a source region, a gate-region, a drain region, and a drift region in an SOI wafer. The SOI-wafer has a carrier layer, which carries an insulating intermediate layer, and whereby the insulating ... | 10/13/2009 |
| 7598782 | Circuit for changing a frequency A circuit is provided for multiplying a frequency by a cascade formed of a transadmittance having a transfer characteristic and a transimpedance having a transfer characteristic. The transadmittance includes two terminals for a signal of a first frequency and the tr... | 10/06/2009 |
| 7596365 | Device for transmitting and receiving A device for transmitting and receiving is disclosed that includes: a) an antenna, b) a transmitting/receiving unit for transmitting and receiving data according to a communications standard, which has a transmitting unit, connected to the antenna, for transmitting ... | 09/29/2009 |
| 7592919 | Circuit arrangement for use in RF transponders and method for controlling a number of such transponders A storage circuit arrangement for a semi-passive or passive RFID transponder is provided. In prior-art circuit arrangements, storage capacitors are routinely discharged in an undefined fashion via leakage currents for a control mode of the transponder, so that the p... | 09/22/2009 |
| 7590087 | Methods for wireless data transmission between a base station and one or more transponders A method and device for wireless data transmission between a base station and one or more transponders, in which electromagnetic carrier waves are emitted by the base station and symbols are transmitted from a given transponder to the base station by modulation and ... | 09/15/2009 |
| 7589545 | Device for final inspection A device is provided for subjecting a plurality of singulated semiconductor components to functional verification, which includes contact pins that are integrated in a test socket and establish a mechanical and electrical contact between the test socket and the inte... | 09/15/2009 |
| 7583944 | Demodulation and regulation concept for IR receivers A method and circuit for amplifying and demodulating amplitude-modulated signals is disclosed that amplifies a primary signal into an amplified signal, bandpass filters the amplified signal into a filtered signal, compares the filtered signal with a regulation thres... | 09/01/2009 |
| 7574184 | Method and device for detecting occupation by a signal of an adjacent channel A method for detecting occupation of an adjacent channel by a signal with the aid of a complex-valued bandpass signal having an information channel component and/or an adjacent channel component. In accordance with the invention, a) a real-valued bandpass signal is ... | 08/11/2009 |
| 7551702 | Method and circuit arrangement for synchronizing a function unit with a predetermined clock frequency A receiver is synchronized with a first clock frequency or signal of a transmitter for the proper reception of transmitted and received signals, such as data carrying signals (DS). The first clock frequency is for example a carrier frequency. A local oscillator gene... | 06/23/2009 |
| 7541249 | Process for producing a base connection of a bipolar transistor A process for producing a base connection of a bipolar transistor is provided. The process includes the steps of providing a semiconductor structure that can include a three-dimensional sacrificial structure that is selectively removable with respect to adjacent reg... | 06/02/2009 |
| 7539965 | Circuit layout with active components and high breakdown voltage An integrated circuit layout having a first circuit connection, a second circuit connection, and active components is provided, whereby the active components each have an input connection and an output connection and a predefined maximum reverse voltage between the ... | 05/26/2009 |
| 7538437 | Infrared receiver chip An infrared receiver chip is provided for installation in a standardized lead frame of an infrared receiver module having multiple contact areas for connection of associated function points of the lead frame via bond wires, wherein at least one contact area is space... | 05/26/2009 |
| 7535362 | Circuit arrangement and method for supplying power to a transponder A circuit arrangement is provided for a power supply to a transponder including an antenna resonant circuit and a downstream rectifier circuit for receiving and for rectifying an electromagnetic signal, a charging capacitor connected downstream on the output side of... | 05/19/2009 |
| 7535300 | Operational amplifier An operational amplifier and use of an operational amplifier is provided that includes an input differential amplifier, which is connected to a first input and to a second input and a differential output stage, which is connected to the input differential amplifier ... | 05/19/2009 |
| 7535245 | Integrated circuit with integrated circuit section to aid in testing An integrated circuit is disclosed having at least one digital input, which has a first circuit section that has a current-voltage characteristic and that in the absence of an input signal holds a voltage at the input at a defined value, and having a second circuit ... | 05/19/2009 |
| 7521996 | Differential amplifier and radio system with a differential amplifier A radio system for communication is provided that has a differential amplifier for amplifying a transmission frequency, particularly 2.4 GHz, wherein the differential amplifier has a first inductor, which is magnetically coupled to a second inductor, and a capacitor... | 04/21/2009 |
| 7521756 | DMOS transistor with optimized periphery structure A lateral DMOS transistor is disclosed that includes a first region of a first conductivity type, which is surrounded on the sides by a second region of a second conductivity type, whereby a boundary line between both regions has opposite straight sections and curve... | 04/21/2009 |
| 7518549 | Circuit arrangement for processing satellite signals A circuit arrangement is provided for processing satellite signals comprising a first circuit part, which is made as a processor for computing position and/or speed signals from satellite signals, a second circuit part, which is made as a real-time clock to provide ... | 04/14/2009 |
| 7508276 | Frequency modulator A frequency modulator is provided for generating an output signal with a frequency that is a function of a modulation signal, wherein the modulation signal can assume N≧2 different discrete modulation values, and a predetermined frequency value of the output signa... | 03/24/2009 |
| 7504692 | High-voltage field-effect transistor High-voltage field-effect transistor is provided that includes a drain terminal, a source terminal, a body terminal, and a gate terminal. A gate oxide and a gate electrode, adjacent to the gate oxide, is connected to the gate terminal. A drain semiconductor region o... | 03/17/2009 |
| 7503775 | Integrated protection circuit An integrated protection circuit is provided to protect an integrated component against an electrostatic discharge with a conductive structure between the integrated component and a housing terminal, whereby two substantially parallel conductive sections of the cond... | 03/17/2009 |
| 7488663 | Semiconductor article and method for manufacturing with reduced base resistance A method for manufacturing a semiconductor article and a semiconductor article is provided, wherein a base region of a first semiconductor material is applied, a silicide layer is applied above the base region, after the application of the silicide layer, an opening... | 02/10/2009 |
| 7486657 | Radio controlled clock and method for retrieving time information from time signals Time information is retrieved from time signals transmitted by a transmitter and received by a receiver. The retrieval relies on the examination of at least one time portion (86, 87, 88) within a time frame. The time portion has a duration shorter than the du... | 02/03/2009 |
| 7486093 | Arrangement for contacting an integrated circuit in a package An arrangement is provided for contacting an integrated circuit in a package by a contact plate arranged on a circuit carrier, wherein the package has contact locations on the contact plate side. In this context, the contact plate has contact vanes, which are formed... | 02/03/2009 |
| 7471164 | Oscillator and method for operating an oscillator An oscillator is provided having an oscillator circuit including at least one oscillator circuit inductor and a first oscillator circuit capacitor, whereby the value of the first oscillator circuit capacitor is reversible by means of the first control voltages betwe... | 12/30/2008 |
| 7466206 | Amplifier circuit Amplifier circuit for amplifying an input signal, having a vertically integrated cascode that has a collector semiconductor region of a collector, adjacent to the collector semiconductor region, a first base semiconductor region of a first base, a second base semico... | 12/16/2008 |
| 7466202 | High-speed CMOS current mirror A CMOS current mirror is provided that includes a current input, an input transistor, whose conductivity path is located between the current input and a reference potential terminal, a current output, an output transistor, whose conductivity path is connected to the... | 12/16/2008 |
| 7459368 | Method for manufacturing integrated circuits having silicon-germanium heterobipolar transistors Method for manufacturing integrated circuits having silicon-germanium heterobipolar transistors, wherein a collector semiconductor region is created, an etch stop layer is created on a connection region, an opening is introduced into this etch stop layer, semiconduc... | 12/02/2008 |
| 7458271 | Fluid sensor A fluid sensor is provided for determining a fluid characteristic, having an electronic sensor element that has an active surface for determining the fluid characteristic, having a mounting plate associated with the sensor element, and having a filter device associa... | 12/02/2008 |
| 7436286 | Circuit arrangement and method for increasing the functional range of a transponder A transponder receives its operating energy from an external source such as a radio signal or a battery. Such transponders are used for example in a vehicle or in a remote sensor. The response range of the transponder is increased by converting the received energy i... | 10/14/2008 |
| 7425865 | Differential cascode amplifier A differential cascode amplifier is disclosed that includes in each branch two transistors connected to form a cascode circuit, and has a cross-compensation (neutralization) with at least one pair of capacitors for compensating a parasitic capacitance of a transisto... | 09/16/2008 |
| 7418164 | Method for forming a photonic band-gap structure and a device fabricated in accordance with such a method A device for application in the high frequency field and a method for forming a photonic band-gap structure are provided. The device being mountable on a primary substrate for forming the device. The device being formed by forming conformal coplanar waveguide metall... | 08/26/2008 |
| 7414477 | Distributed amplifier topologies with improved gain bandwidth product A distributed amplifier is provided that includes an input network that simulates an input signal transmission line, and having an output network that simulates an output signal transmission line, and also having multiple unit cells with amplifying characteristics t... | 08/19/2008 |
| 7408375 | Method and testing apparatus for testing integrated circuits A method for testing integrated circuits comprises: generation of a change in an input signal of the integrated circuit, detection of a change in the output signal of the integrated circuit, the change triggered by the change in the input signal when a predetermined... | 08/05/2008 |
| 7397109 | Method for integration of three bipolar transistors in a semiconductor body, multilayer component, and semiconductor arrangement A method for integrating three bipolar transistors into a semiconductor body, multilayer component, and semiconductor arrangement is provided. A tendency toward thyristor-like behavior of the multilayer semiconductor arrangements with the three bipolar transistors i... | 07/08/2008 |
| 7396739 | Method for integrating an electronic component or similar into a substrate A method for integrating an electronic component or the like into a substrate includes following process steps: formation of a dielectric insulating layer on the front side of a substrate; complete back-etching of an area of the substrate from the back of the substr... | 07/08/2008 |
| 7385950 | Method of transmitting data with optimized transmission rate using packet header that defines data encoding parameters For transmitting data between a base station and a transponder, information packets modulated onto an electromagnetic carrier wave each include a header section, a middle section, and an end section. The data are encoded in the middle section using information symbo... | 06/10/2008 |
| 7385455 | Monolithic integrated circuit with integrated interference suppression device The invention discloses a monolithic integrated circuit with at least one signal connection carrying a signal and with an interference suppression device integrated in the circuit to reduce radiated interference. The interference suppression device has at least one ... | 06/10/2008 |
| 7378919 | Planar microwave line having microstrip conductors with a directional change region including a gap having periodic foldings A planar microwave line is provided, having a dielectric substrate and a planar arrangement of a first microstrip conductor and at least one additional microstrip conductor, in which a gap between the first microstrip conductor and the additional microstrip conducto... | 05/27/2008 |
