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Patent No. 6650315

Mouse device with a built-in printer

A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.

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Class 327/341 - With compensation


Subclass of Class 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
Definition: Subject matter wherein an integration circuit is maintained
No. of patents: 83
Last issue date: 06/24/2008


1      
NumberTitleIssue Date
7391204Sensor signal conditioning circuit
A sensor signal conditioning circuit and sensor system incorporating the same. In one embodiment, the signal conditioning circuit includes a DC-coupled detector that converts a sensor signal into a discrete level signal. An AC-coupled detector having a dynamic DC th...
06/24/2008
7372392Charge balancing method in a current input ADC
A method for charge balancing in a current input ADC including maintaining a low capacitance value at the integrator output node where the capacitance value is independent of the integrator output voltage and operating conditions, generating a first voltage pedestal...
05/13/2008
7321735Optical down-converter using universal frequency translation technology
A method and system for converting an optical signal to electrical information signals, including demodulated baseband information signals and modulated baseband signals at multiple harmonics. In an embodiment, the optical information signal is amplitude modulated w...
01/22/2008
7295826Integrated frequency translation and selectivity with gain control functionality, and applications thereof
Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering...
11/13/2007
7292835Wireless and wired cable modem applications of universal frequency translation technology
Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal reception, unified down-conversion and fil...
11/06/2007
7279937Programmable amplitude line driver
Embodiments of the invention include an integrated circuit including a line driver. The integrated circuit includes a voltage mode driver comprising complementary first and second input voltage drivers, a programmable resistor network and a current mode driver. The ...
10/09/2007
7199663Use of analog-valued floating-gate transistors for parallel and serial signal processing
Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu...
04/03/2007
7187237Use of analog-valued floating-gate transistors for parallel and serial signal processing
Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu...
03/06/2007
7138848Switched capacitor integrator system
A switched capacitor integrator system includes an input cascoded amplifier circuit; a summing junction; an integrating switched capacitor circuit connected to the output of the input cascoded amplifier circuit and to the summing junction; the integrating switched c...
11/21/2006
7126415Switched-capacitor circuits with reduced finite-gain effect
Operational amplifier circuits (20, 30) including error capacitors (C3, C13) for storing finite gain effect error voltages for correction of output voltages of the circuits (20, 30), are disclosed. The circuits (20, 30) are ope...
10/24/2006
7126408Method and apparatus for receiving high-speed signals with low latency
An apparatus and method for receiving high-speed signals having a wide common-mode range with low input-to-output latency. In one embodiment, the receiver includes an integrator to accumulate charge in accordance with an input signal during an integration time inter...
10/24/2006
7110444Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
Frequency translation and applications of the same are described herein, including RF modem and wireless local area network (WLAN) applications. In embodiments, the WLAN invention includes an antenna, an LNA/PA module, a receiver, a transmitter, a control signal gen...
09/19/2006
7110435Spread spectrum applications of universal frequency translation
Frequency translation and spread spectrum applications of same are described herein. Such applications include, but are not limited to, unified down-conversion and de-spreading, unified up-conversion and spreading, RAKE receivers utilizing unified down-conversion an...
09/19/2006
7102438Autozeroing floating-gate amplifier
An autozeroing floating-gate amplifier (AFGA) is implemented utilizing a programmable gain element, the characteristics of which may be changed by changing the amount of charge stored on a floating gate device. ...
09/05/2006
7082171Phase shifting applications of universal frequency translation
A universal frequency translation module (UFT) frequency translates an electromagnetic (EM) input signal by sampling the EM input signal according to a periodic control signal (also called an aliasing signal). By controlling the relative sampling time, the UFT modul...
07/25/2006
7075977Circuit 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
7072390Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
Frequency translation and applications of the same are described herein, including RF modem and wireless local area network (WLAN) applications. In embodiments, the WLAN invention includes an antenna, an LNA/PA module, a receiver, a transmitter, a control signal gen...
07/04/2006
7061324Use of analog-valued floating-gate transistors for parallel and serial signal processing
Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu...
06/13/2006
7054296Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
Frequency translation and applications of same are described herein, including wireless local area network (WLAN) applications such as IEEE Standard 802.11 WLANs. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, ...
05/30/2006
7049872Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined circuits
Methods of and apparatuses for matching the signal delay, clock timing, frequency response, gain, offset, and/or transfer function of signal pathways in electrical circuits such as, for example, time-interleaved and pipelined circuits using analog-valued floating-ga...
05/23/2006
7042271Resistor compensation apparatus
A compensation apparatus maintains an effective resistance of one or more resistors in a circuit by associating an adjustable resistor circuit to each resistor. The compensation apparatus compares the resistance of a resistor in the circuit with the resistance of a ...
05/09/2006
7038544Use of analog-valued floating-gate transistors for parallel and serial signal processing
Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu...
05/02/2006
7039372Method and system for frequency up-conversion with modulation embodiments
A method and system is described wherein an information signals is gated at a frequency that is a sub-harmonic of the frequency of the desired output signal. In the modulation embodiments, the information signal is modulated as part of the up-conversion process. In ...
05/02/2006
7027786Carrier and clock recovery using universal frequency translation
Coherent detection of a received EM signal using universal frequency translation (UFT) is described herein. The received EM signal is sampled according to a sub-harmonic LO signal, where the LO signal is in frequency and phase coherence with the received EM signal. ...
04/11/2006
7015750Method for lowering noise and providing offset correction in a transimpedance amplifier
A system for receiving signals (e.g., optical signals) includes an input device, an amplification device, and a feedback device. The amplification device receives a signal from the input device and includes a transimpedance portion. The transimpedance portion includ...
03/21/2006
7010286Apparatus, system, and method for down-converting and up-converting electromagnetic signals
Methods, systems, and apparatuses for down-converting and up-converting an electromagnetic signal. In embodiments, the invention operates by receiving an electromagnetic signal and recursively operating on approximate half cycles of a carrier signal. The recursive o...
03/07/2006
7006805Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service
A receiver having multi-mode and multi-band functionality and capabilities is described herein. The receiver is capable of selectively operating over a plurality of bands and channels. The receiver operates in a plurality of modes, including but not limited to a sin...
02/28/2006
6970126Variable capacitance switched capacitor input system and method
A variable capacitance switched capacitor input system and method includes a differential integrator circuit having first and second input summing nodes and a variable sensing capacitor; one terminal of the variable sensing capacitor is connected to one of the nodes...
11/29/2005
6965262Method and apparatus for receiving high speed signals with low latency
An apparatus and method for receiving high-speed signals having a wide common-mode range with low input-to-output latency. In one embodiment, the receiver includes an integrator to accumulate charge in accordance with an input signal during an integration time inter...
11/15/2005
6940342Method and apparatus for exponential gain variations with a linearly varying input code
A programmable gain amplifier using metal-oxide-semiconductor (MOS) devices to approximate exponential gain characteristic with linear control signals is disclosed. According to one embodiment, the programmable gain amplifier (300a-300b) ...
09/06/2005
6911864Circuit, including feedback, for reducing DC-offset and noise produced by an amplifier
An amplifier (AMP) is provided with a pair of choppers (CHPi,CHPo) in order to reduce the DC-offset and the noise produced by the amplifier (AMP). To obtain an optimal noise reduction the pair of choppers (CHPi,CHPo) opera...
06/28/2005
6882218Transimpedance amplifier and offset correction mechanism and method for lowering noise
A system for receiving signals (e.g., optical signals) includes an input device, an amplification device, and a feedback device. The amplification device receives a signal from the input device and includes a transimpedance portion. The transimpedance portion includ...
04/19/2005
6720817All NPN class-AB log-domain integrator with supporting input and output circuitry for low-voltage and high-frequency continuous-time filtering
Two variations of a continuous-time instantaneous companding filter are integrated in a 25 GHz bipolar process. Their −3 dB frequencies are tunable in the ranges of 1-30 MHz and 30-100 MHz. The dc gains are controllable up to 10 dB. The measured dynamic ranges for...
04/13/2004
6657476AC-coupled sensor signal conditioning circuit
A method and apparatus for minimizing errors in a sensor device due to signal amplitude variation are disclosed herein. A signal output from the sensor device is amplified and, thereafter, AC-coupled to a comparator such that the amplification and AC-coup...
12/02/2003
6650177System and method for tuning an RC continuous-time filter
Methods and systems for tuning an RC continuous-time filter are disclosed. In this regard a representative system for tuning an RC continuous-time filter includes a coarse-tuned resistive element coupled to an input of the filter for varying the cut-off f...
11/18/2003
6563364Gain controller using switched capacitors
A gain controller using switched capacitors is provided. The gain controller is operable in a sampling mode or an amplifying mode and controls the gain of an analog input signal. The gain controller includes an operational amplifier, input capacitors, a f...
05/13/2003
6489812Temperature-compensated small signal peak detector
A system and method for temperature-compensated small signal peak detection. A small amplitude signal peak detector includes an exponential operator for generating a modulated signal through the application of an exponential function to the input signal. ...
12/03/2002
6359495Anti-saturation integrator and method
A perfect integrator emulator includes a first multiplier multiplying an input with a first constant, KNEW, and generating a scaled input, a summer summing the scaled input with a previously generated scaled output and generating an accumulated...
03/19/2002
6356135Programmable electronic trim capacitor
An electronically trimable capacitor (10) having a plurality of branch circuits (30) each including a capacitor (32) which may be selectively controlled by a switch (34) to contribute or not to the net capacitance exhibited by the trimable capacitor (10)....
03/12/2002
6339349Method and circuit for comparator-less generation of ramped voltage having controlled maximum amplitude
A circuit for generating a ramped voltage having controlled maximum amplitude (e.g., for use in a switching controller), and a method for generating such a ramped voltage without use of a comparator. The ramped voltage is a voltage developed across a peri...
01/15/2002
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