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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 340/939 - Environmental or drift compensation


Subclass of Class 340 - Communications: electrical
Definition: Subject matter including means for recalibrating the vehicle
No. of patents: 50
Last issue date: 05/13/2008


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NumberTitleIssue Date
7373565Start/stop circuit for performance counter
A circuit for tracking a number of clock cycles between occurrences of an event of interest. The circuit includes logic for asserting a run signal responsive to a first occurrence of the event of interest, logic for deasserting the run signal responsive to a second ...
05/13/2008
7221289System and method for operating a loop detector
The temperature of an operator circuit is measured. A relationship between the temperature of the operator circuit and characteristics of the operator circuit is determined. The relationship is applied to the measured temperature of the operator circuit to create an...
05/22/2007
7205797Common mode detection and dynamic correction input circuit
A single ended input circuit can receive an input signal and generate a correction voltage corresponding to a common mode voltage of the input signal. A comparison of the input signal can be adjusted in response to the correction voltage. In one arrangement, an inpu...
04/17/2007
7149327Image processing apparatus and method
Image processing apparatus transforms an input image from a first camera by using a parameter of affine transformation based on a position of a second camera. The first camera and the second camera are loaded onto a vehicle respectively and input an image of a road ...
12/12/2006
7132959Non-interfering vehicle detection
A technique for operating a vehicle detection system involves obtaining samples randomly from a detector of the vehicle detection system and determining the presence of a vehicle in response to the random samples. When multiple detectors are located in close proximi...
11/07/2006
7068212Doppler complex FFT police radar with direction sensing capability
A series of police Doppler single mode radars and a multimode police Doppler radar, all with direction sensing capability are disclosed. A quadrature front end which mixes received RF with a local oscillator to generate two channels of Doppler signals, one channel b...
06/27/2006
7045764Passive detection system for detecting a body near a door
A detection system for detecting a body near a doorway includes two detectors having one or more activation lines that overlap each other. With certain mounting arrangements, the detectors cover areas within and on both sides of the doorway. The detectors are meant ...
05/16/2006
7014355Electronic parking meter system
The field of the present invention is parking meters and more particularly to the use of electronically operated parking meters coupled with a sensor for positively sensing unobtrusively the presence or absence of a vehicle in a specified parking space controlled by...
03/21/2006
6927973Device for joining and separating storage medium
The present invention relates to a device for joining and separating a storage medium, storing inputted data by being mounted on a computer or a digital video recorder and being simply separated from a housing of the storage medium capable of reproducing the stored ...
08/09/2005
6911829Inductive signature measurement circuit
An apparatus for measuring the inductance of a wire-loop with noise-cancellation, auto-calibration and wireless communication features, or detector circuit. The apparatus measures the effective change in inductance induced in a wire-loop as a vehicle passes over the...
06/28/2005
6701233Scan tool with dropped communications detection and recovery and improved protocol selection
An improved scan tool, e.g., for OBD II, for use with vehicle computer networks. The improved scan tool determines the proper protocol to use to communicate with a vehicle computer network. The proper protocol is determined by requesting information from ...
03/02/2004
6593698Continuously variable headlamp control
A system for automatically controlling continuously variable headlamps on a controlled vehicle includes an imaging system capable of determining lateral and elevational locations of headlamps from oncoming vehicles and tail lamps from leading vehicles. Th...
07/15/2003
6577952Position and heading error-correction method and apparatus for vehicle navigation systems
The present invention solves the problems of the prior art by providing methods for compensating for temperature-dependent drift of bias in a vehicle heading sensor of a dead reckoning vehicle positioning system. Specifically, the invention uses a Kalman ...
06/10/2003
6538579Moving object detection method and apparatus
A moving object detection method and apparatus is proposed in which a plurality of heads are installed above a detection line traversing a road, their outputs undergo A/D conversion and binary conversion, and the outputs are then linked along the detectio...
03/25/2003
6429594Continuously variable headlamp control
A system for automatically controlling continuously variable headlamps on a controlled vehicle includes an imaging system capable of determining lateral and elevational locations of headlamps from oncoming vehicles and tail lamps from leading vehicles. Th...
08/06/2002
6345228Road vehicle sensing apparatus and signal processing apparatus therefor
A road vehicle sensor provides an output signal having a magnitude which varies with time through a plurality of values as a vehicle passes the sensor. Signal processing apparatus monitors the timing of sensor signals generated from sensors in adjacent la...
02/05/2002
6281632Continuously variable headlamp control
Continuously variable headlamps offer greater flexibility for roadway illumination but offer challenges in automatic control design. Each continuously variable headlamp has an effective illumination range varied by changing at least one parameter from a s...
08/28/2001
6097312Method and apparatus for detecting magnetostrictive resonator and traffic system
While transmitting an electromagnetic wave from a transmitting antenna to, for example, a magnetostrictive resonator, buried in a road, a reception section composed of a reception amplifier and signal processor is inactivated. After stopping transmission ...
08/01/2000
6049171Continuously variable headlamp control
Continuously variable headlamps offer greater flexibility for roadway illumination but offer challenges in automatic control design. Each continuously variable headlamp has an effective illumination range varied by changing at least one parameter from a s...
04/11/2000
5936551Vehicle detector with improved reference tracking
A vehicle detector with improved reference tracking routines in both the Call direction and the No Call direction. Call direction tracking includes rate sensitive tracking in which the reference is only changed in response to small fluctuations in loop fr...
08/10/1999
5850192Apparatus for sensing vehicles
An underground vehicle sensing system extends below a vehicle travel surface to detect the presence of a vehicle. A conduit extends substantially horizontally underground from an access hole placed at the side of the vehicle travel surface. A plurality of...
12/15/1998
5734338Vehicle detector with automatic sensitivity adjustment
The period Tnv of an oscillator signal is measured. A number Nmeas of cycles of the oscillator signal is determined based upon the measured oscillator period Tnv and upon a desired minimum change in inductance ƊL (sensiti...
03/31/1998
5729214Condition reactive display medium
Digitally-effectuated, automatic control over the message or messages displayed on one or more programmable display mediums in response to changing conditions, or anticipated changing conditions, in the vicinity of the display mediums is disclosed....
03/17/1998
5710558Traffic sensor for roadway placement
A traffic sensor for dispostion across a lane or lanes of a roadway includes a pliable strip within which is housed a flexible carrier which in turn supports electrical sensors and coaxial cables. The components are in circuit with a roadside located reco...
01/20/1998
5652577Device and method for passively activating inductive loop sensor
A device and method for passively activating an inductive loop vehicle sensor. The sensor has an inductive loop in a roadway that produces an electro-magnetic field and utilizes the changes caused by the interaction of a detectable vehicle with the field ...
07/29/1997
5523753Vehicle detector system with periodic source filtering
A detector system filters the effects of periodic noise such as magnetic flux from nearby power lines or other periodic sources. The detector system further adapts in the case that the system incorporates microloops for the inductive sensors. The detector...
06/04/1996
5512891Drive-up station vehicle detection system and method of using same
A method and apparatus for detecting objects disposed in close proximity to a conductive loop, includes the use of a sensitivity selection circuit to compensate for loop sensitivity to metal and other conditions, and a microprocessor circuit for helping t...
04/30/1996
5491475Magnetometer vehicle detector
A magnetometer vehicle detector for detecting various parameters of traffic on a roadway. A number of sensors, having a compact package, along with connecting cables, may be placed in road way with a small number of standard width sawcuts. Alternatively, ...
02/13/1996
5396234Validation checking in traffic monitoring equipment
Traffic monitoring equipment including traffic speed measuring equipment has a signal validation facility incorporated to enhance reliability of the equipment. This facility permits the monitoring operation, for example speed measurement, to proceed only ...
03/07/1995
5361064Vehicle detector with power main noise compensation
A vehicle detector includes an inductive sensor which is driven by an oscillator to produce an oscillator signal having a frequency which is a function of inductance of the inductive sensor. Presence of a vehicle is detected when measured frequency of the...
11/01/1994
5337039Proximity detection system with digital frequency variation detection means
An oscillator which produces a continuous wave output signal on an antenna having a preset frequency. A detection circuit detects changes in the preset frequency resulting from proximity between the antenna and an object and when such an object is detecte...
08/09/1994
5296852Method and apparatus for monitoring traffic flow
A vision processing apparatus and method for detecting and monitoring traffic flow. The method includes the steps of generating successive images of a section of roadway; transducing the successive images into successive arrays of pixels, each pixel havin...
03/22/1994
5245334Traffic detection cable installations
An installation of traffic detection cables adapted for sub-surface mounting or adapted for top surface mounting which comprises a moulding of prismatic type, that is having the substantially same cross sectional shape extending longitudinally in which tw...
09/14/1993
5175529Fast event detector
A fast acting sensing circuit for use in a warning system to indicate relative movement between an object and a sensor when the movement exceeds a predetermined rate of speed. The circuit only provides an output if the rate of speed exceeds the predetermi...
12/29/1992
5028921Vehicle detector method and system
A method of updating the reference count in a period shift measurement vehicle detector permits conditional reference count updating in the No Call direction whenever the sample count minus reference count difference value lies between the upper limit of ...
07/02/1991
5008666Traffic measurement equipment
Traffic measurement equipment has a pair of coaxial cables having barium titanate piezo-electric responsive crystals embedded in the polymer together with a vehicle presence detector to indicate all measurements required of traffic including vehicle count...
04/16/1991
4920340Vehicle detecting method and system which can communicate with vehicles
A vehicle detecting system detects the existence of a vehicle on a roadway and communicates therewith in the following manner. A pair of transmitting and receiving coils are arranged on both sides of a detection area set over the roadway of the vehicle. T...
04/24/1990
4862162Environmental tracking in inductance loop vehicle detection systems
In a vehicle presence detection system in which an inductive sensor loop is the frequency-determining element of the tuned circuit of a loop oscillator, discrimination against variations in inductance due to environmental changes is achieved by comparing ...
08/29/1989
4568937Induction loop vehicle detector
An induction loop vehicle detector comprises an oscillator circuit having a plurality of capacitors switchable in circuit with a road loop under the control of a microcomputer to determine the oscillator frequency. The microcomputer monitors the oscillato...
02/04/1986
4491841Self-adjusting inductive object-presence detector
A vehicle detector has an inductive sensing loop that is a frequency determining element of an oscillator. A first counter is operated to sample the oscillator frequency or period and the count achieved is applied as a preset reference to a second down co...
01/01/1985
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