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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 340/870.19 - Pulse


Subclass of Class 340 - Communications: electrical
Definition: Subject matter wherein the wave characteristic of a series
No. of patents: 107
Last issue date: 11/02/2010


1      
NumberTitleIssue Date
7825823Multi-channel signal monitoring circuit
A signal monitoring circuit includes a plurality of sensors, a meter chip, a micro control unit (MCU), and a multiplexer. The sensors are adapted for collecting electrical signals of an electrical system, and each of the sensors correspondingly generates an output s...
11/02/2010
7382208Operating method for the resonant operation of high-pressure lamps in longitudinal mode, and an associated system and electronic ballast
The operating method is based on the simultaneous application of FM and AM. In this process, the fundamental frequency of the AM is derived from at least one, preferably the second, longitudinal mode. In continuous operation of the lamp, the color temperature is set...
06/03/2008
7265682Joint source-channel coding for multicarrier modulation
Methods and systems employing combined source-channel coding for multi-carrier modulation (MCM). In some embodiments, a described method comprises: estimating channel gain to noise ratio (CGNR) as a function of frequency bin; determining MCM parameters that minimize...
09/04/2007
7250857Multiplexer method and system for intrinsically safe applications and a multiplexer switch for use therein
A multiplexing system is provided for a plurality of sensors disposed in a tank containing a potentially explosive environment and excited from a common excitation circuit outside of the tank through a corresponding plurality of signal lines that penetrate the tank....
07/31/2007
7209852Circuit for producing a variable frequency clock signal having a high frequency low jitter pulse component
Embodiments of the present invention include first and second pulse trains input to a switch in synchronization. The first and second pulse trains may have a repeating high and low values at first and second frequencies, respectively, and the first pulse train may t...
04/24/2007
7133806Method and apparatus for measurement of processor-utilization
A method of managing a processing system that has at least one processor, uses the steps of: measuring MCPS (million cycles per second) utilization in the at least one processor; estimating a cycle count requirement for an algorithm on least one processor based on m...
11/07/2006
7059922Trim angle correction indicating system for outboard motor
A trim angle correction indicating system for an outboard motor indicates the trim angle of an outboard motor accurately even when misalignment of a detector and deviation in detection value occur. A detector detects the trim angle of an outboard motor, and a trim a...
06/13/2006
7042183Barrier movement operator speed control
Methods and apparatus for controlling the speed of an A.C. induction motor are disclosed and shown in operation for controlling the movement of a barrier. Included are voltage configuration circuits which selectively gate portions of the half-cycles of AC mains volt...
05/09/2006
7027357Acoustic communication device and acoustic signal communication method
The present invention provides an acoustic transmitter for sequentially transmitting a plurality of pulse signals by sound. Each of the plurality of pulse signals is a signal of at least one modulated carrier wave, which has a predetermined frequency. The carrier wa...
04/11/2006
6996344Fiber optic video transmitter and receiver system
A video transmission system, for sending uncompressed digital video signals from an originating device such as a digital video camera to a distant location, such as a studio or editing facility and for receiving video signals sent from a distant location. The transm...
02/07/2006
6963290Data recovery for pulse telemetry using pulse position modulation
The specification discloses algorithms for error recovery in pulse position modulation-based mud pulse telemetry. More particularly, the specification discloses detection and attempted correction of at least five possible error mechanisms: the missed detection of a ...
11/08/2005
6943640Current source modulator
A current source modulator (202; 302, 502) provides power to radar transmitters. The modulator comprises a power supply (210, 310, 510) providing, when enabled, a known current to a storage capacitor (145). A comparator circuit (220) prov...
09/13/2005
6938111Method for operating automation control equipment applications
A method for operating automation control equipment applications ensures uninterrupted execution of a control application, at least during specific time periods, but such that the control application does not have the access privileges of a device driver. The operat...
08/30/2005
6871785Method and device for compensating undesired variations in an electrical signal generated by an optical code reader
The method for compensating undesired variations in an electrical signal generated by a sensor of an optical code reader comprises the steps of generating an envelope signal starting from the electrical signal generated by the sensor and normalizing the electrical s...
03/29/2005
6756759Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor
A current target angle stored in a target angle register is subtracted from the immediately preceding target angle stored in a register by a subtracting device. As a result, the length (amount) and direction between the immediately preceding target angle to the curr...
06/29/2004
6731224Method and device for preprocessing a received, data coded transmitting signal
A method for conditioning a coded signal including: determining a time constant, on the basis of which the data were coded, from the received signal and evaluating the received signal according to the determined time constant. A device for conditioning a received si...
05/04/2004
6690259Security system to enable authenticated access of an individual to a protected area
A security system to enable authenticated access of an individual to a protected area, including a remote control unit (22) with a transponder (28), carried by the individual, which transmits an identification code group on reception of an interrogation s...
02/10/2004
6653968System for generating a signal to superimpose information
A system for generating a signal which, in addition to first information representing the rotational speed of a rotating part, contains at least second information. The signal changes over time between a first and a second current level and/or voltage lev...
11/25/2003
6629776Digital sensor for miniature medical thermometer, and body temperature monitor
A thermometer is disclosed that utilizes a thermistor as a temperature sensor, to control the period and duty cycle of a multivibrator circuit. A second circuit, controlled by a microcontroller, measures both the charge and discharge times of the oscillat...
10/07/2003
6313756Method for controlling an electric meter, and electric meter
A method for controlling an electric meter, on which a module can be mounted. The module cooperates with a basic counting mechanism in the electric meter through a bidirectional optical transmission device. A bidirectional optical transmission path can be...
11/06/2001
6140940Assembly for signal transfer between a transmitter location and a receiver location
In an assembly for signal transmission between a transmitter location and a receiver location connected to each other by a two-wire conductor an analog signal current, variable between two limit values, flows via this two-wire conductor. This signal curre...
10/31/2000
6124806Wide area remote telemetry
A wide-area remote telemetry system which monitors and controls remote devices by means of a information control system. The system uses a plurality of sensor interface modules which constantly monitor devices for triggering events. The sensor interface m...
09/26/2000
5793754Two-way, two-wire analog/digital communication system
A pulse density signaling input/output (PDSIO) scheme is implemented to provide a two-way, two-wire hybrid analog/digital communications system. PDSIO signals are sent as logic pulses from a "master" port to one or more "slave" ports over a twisted pair. ...
08/11/1998
5703574Method and device for transferring a measurement signal from a revolving roll used in a paper making machine
A method and device for transferring a measurement signal from a revolving roll used in a paper making machine, in which detectors are arranged in the transverse direction of the roll, preferably uniformly spaced. Measurement signals generated by the dete...
12/30/1997
5661754Receiver arrangement
An infrared remote-control receiver employs at its front end a gyrator-configured transistor operating as a current-to-voltage converter, but derives its data information from a negative-going gyrator output pulse in preference to the more conventionally ...
08/26/1997
5659301Transmission system
In a method for bidirectional serial data transmission between an integrated memory circuit and a reading/writing circuit which are separated from each other, an integrated memory circuit having two electrical contact points and a reading/writing circuit ...
08/19/1997
5654698Missile telemetry data interface circuit
An interface circuit which receives a PCM telemetry data stream comprising waveform divided into 100 words including a three word frame sync signal. The PCM data stream is supplied to a comparator which converts input telemetry signal to a TTL compatible ...
08/05/1997
5619560Residential fuel oil tank level reporting device
A remote level sensor for a residential fuel oil tank is adapted for a fuel oil gauge with a permanent magnet which changes position with changing fluid levels in the tank. The sensor has a housing with a connector which receives a top portion of the gaug...
04/08/1997
5610598Missile telemetry data interface circuit
An interface circuit for receiving an analog PAM telemetry data stream from missile's telemetry unit. The PAM data stream comprises a waveform divided into 64 channels and includes a sync signal. The PAM data stream is supplied to a filter which removes f...
03/11/1997
5611021Multiple pulse series generating device and method applicable to random pulse series generating apparatus
A linear feedback shift register comprises a plurality of flip-flop devices, wherein the linear shift register is constituted so as to provide a plurality of pseudo-random pulse series in parallel. A data providing device performs a calculation on the plu...
03/11/1997
5525976Temperature measuring system
For temperature measurement at a number of measuring points on, for example, current-carrying bars (2) in a high-voltage switchgear, a data transmitter (1) is used which is arranged near each measuring point and at the same potential as such point. The tr...
06/11/1996
5434564Method and apparatus for producing pulses corresponding in number to the amount of changes in a physicial quantity
Pulses are produced in accordance with physical quantity changes in order to express the amount of change by count of the pulses produced. The changes are input to a convertor which converts them to corresponding electrical output values which are made av...
07/18/1995
5430438Method and device for functional monitoring of an electrical load
A method for functional monitoring of an electrical load, controlled by a control circuit, provides that defects in the load are detected by comparison of a signal which is used to control the load and a status signal which is passed back to the control c...
07/04/1995
5355129Measuring sensor device
A measuring sensor device for the detection of physical quantities is equipped with an identification generator in whose memory module correction data (sensor identification data) are stored. For the transmission of identification data, the identification...
10/11/1994
5270703Bipolar signal amplification or generation
Amplification or generation of very low (and variable) frequency, low voltage, high current bipolar signals useful in electrical borehole telemetry systems is achieved using a duty cycle control device for causing the alternate direct application of a pos...
12/14/1993
5227783Telemetry apparatus and method with digital to analog converter internally integrated within C.P.U.
The disclosure relates to a microprocessor based telemetry apparatus and method utilizing a commercially available IBM PC-AT or compatible CPU. Three hardware cards fit in existing slots within the computer chassis. Software is provided to accomplish, in ...
07/13/1993
5202682Data encodement and reading method and apparatus
A method and apparatus for measuring operations data which uses a commercially available digital multimeter (DMM) as the data receiving and display device. In one preferred embodiment, for example, basic operations data is transduced to digital form and t...
04/13/1993
5170161Wireless transmitting-receiving apparatus for a bicycle
A wireless transmitting-receiving apparatus for detecting and displaying the speed of travel of a bicycle which is mounted on a wheel, including a sensor generating one signal per every rotation of the wheel, a signal receiving apparatus for successively ...
12/08/1992
5128677Apparatus and method for transferring data along a serial data bus
An apparatus and method are disclosed for transferring data between devices located on a serial data bus of a data communication system. A first counter and flag are provided which are associated with a device on the serial data bus. The first counter and...
07/07/1992
5052019Pulse-generating sensor unit for remote sensing system
In a digital remote-sensing system, in which the time intervals between pulses are modulated according to the value of the parameter being measured, an overly sensitive sensing element 30 may generate a pulse outside of the desired "time window", which mi...
09/24/1991
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