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Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 340/621 - Having sonic sensor


Subclass of Class 340 - Communications: electrical
Definition: Subject matter wherein the liquid level is detected by a
No. of patents: 149
Last issue date: 05/10/2011


1        
NumberTitleIssue Date
7940189Leak detector for process valve
A leak detection system is described for detecting a leak through a closed valve disposed between an upstream pipe and a downstream pipe of an industrial process. An insertable plate is coupled to the valve in the pipe in-line with the fluid flow. A sensor couples t...
05/10/2011
7417552Flood alarm
A flood alarm is disclosed. In an illustrative embodiment, the flood alarm includes a float assembly and a telephone system interface module connected to the float assembly. A method of indicating a flood in a structure is also disclosed. ...
08/26/2008
7369055Water softener monitoring system
A system for monitoring the level or amount of a material within a container is provided. The system includes a detection mechanism that can be a direct detection mechanism or any of a number of indirect detection mechanisms. When the detection mechanism senses an u...
05/06/2008
7360417Fluid level detector
A fluid detector for determining a presence of a fluid within a container includes a piezoelectric element that outputs a first ultrasonic signal in response to an input electrical signal and a lens with an upper portion and a lower portion. The piezoelectric elemen...
04/22/2008
7342504Monitoring system and method
A monitoring system includes one or more monitoring devices, positioned in sewer manholes, storm drains, etc., and a remote monitoring station that communicates wirelessly therewith. The monitoring device may be an integrated unit, including sensors, a two-way telem...
03/11/2008
7331233Method and apparatus for ultrasonic sizing of particles in suspensions
A particle size distribution monitor, comprising: a transducer adapted to be a source of ultrasonic energy and positioned in contact with a suspension containing a percent by volume of particles in a liquid, the transducer transmitting ultrasonic energy through the ...
02/19/2008
7325450Liquid consumption status detecting method, liquid container, and ink cartridge
A method of detecting a consumption status of liquid contained in a liquid container, comprising steps of: preparing a detection device having a piezoelectric element and attaching the detection device on a desired position of the liquid container so that at least a...
02/05/2008
7319401Radar level gauge system with variable alarm limits
A radar level gauge system for determining the filling level of a filling material in a tank is disclosed. The system comprises a transmitter for transmitting measuring signals towards the surface of the filling material; a receiver for receiving echo signals from t...
01/15/2008
7287425Ultrasonic fuel level monitoring device
The invention describes a method of altering the transmitted frequency used in an ultrasonic ranging system for liquid level measurement in a fuel tank. The frequency agility of the system is an important component of performing liquid level measurement in an enclos...
10/30/2007
7277020Apparatus for indicating the state of a characteristic of a constituent in a container
Apparatus for indicating the oil level in a central heating oil tank comprises a battery powered monitoring unit (1) for mounting on the oil tank which determines the oil level by an ultrasonic signal transmitter/receiver (18). A first microprocessor (...
10/02/2007
7274293Cable lock for security system
A cable lock device includes a housing, a tampering subsystem, and a cable having a first end and a second end. The first end is attached to the housing and is electrically connected to the tampering subsystem and the second end is selectively attached to the housin...
09/25/2007
7260977Self-diagnosis of a vibrating level gauge
Described is a method for detecting and/or for monitoring the level of a medium stored in a vessel and in particular to a method for diagnosing the functionality of the electromechanical oscillation unit of a vibration level gauge. An electromechanical transducer of...
08/28/2007
7249505Flexible scheduler for a cellular reporting system
A tank level monitoring system is provided. The system comprises a monitor and a data center. The monitor is operatively connected to the tank to periodically monitor a level of product stored in the tank. The monitor includes a user-defined reporting schedule progr...
07/31/2007
7243539Arrangement for measuring the level of contents in a container
A continuous measurement of the level of contents in a container is effected by a level measuring device functioning in accordance with the transit time principle by means of waves transmitted from a position located above the highest possible contents level onto th...
07/17/2007
7245059Method of exciting a piezoelectric crystal
The invention describes the use of an electrical pulse that is a single square wave to excite a piezoelectric crystal. This pulse is applied alternately to either side of the crystal at twice the nominal resonant frequency of the crystal. This method provides a sign...
07/17/2007
7168315Level meter
The invention relates to a level meter (1) with an outer oscillating body (3) and an inner oscillating body (4), which bodies are coaxially positioned relative to a longitudinal axis (X), with a drive and reception device (7) for exciting...
01/30/2007
7162922Non-invasive method for detecting and measuring filling material in vessels
A non-invasive method for measuring the level of filling material in a vessel and for detecting the presence of the filling material in the vessel at a predetermined set point level is based on monitoring the oscillation of the vessel's outside wall that follows an ...
01/16/2007
7117739Fluid-gauging probes
An ultrasonic fluid-gauging probe has a still well and two or more piezoelectric transducer elements mounted at its lower end. A drive and processor unit may separately energize each element and provide a separate output indicative of fluid height so as to provide r...
10/10/2006
7114390Ultrasonic liquid level monitor
The present invention includes an apparatus and method for continuous and point level liquid level detection in a closed container or pipe having an inaccessible interior volume such that it is difficult to retrofit these tanks with a level gauge that operates withi...
10/03/2006
7104127Nondestructive method for inspecting cladding tubes
The present invention relates to a nondestructive method or inspecting defects of the cladding of a nuclear fuel rod, which is featured by a wave emitter obliquely discharging an inspection wave to an inspected tube and a receiver arranged at a side of the inspected...
09/12/2006
7102528Device for determining and/or monitoring a predetermined filling level in a container
A device for establishing and/or monitoring a predetermined fill level in a container is provided, to indicate the fill level in a container and exhibiting a best possible, optimum fit for an application, which device includes: a mechanical oscillatory structure pla...
09/05/2006
7086281Detector of liquid consumption condition
A detector of liquid consumption condition includes first and second vibrating parts that can vibrate relatively to a containing space that can be filled and refilled with a liquid. At least a portion of the first and second vibrating parts are exposed to the contai...
08/08/2006
7043981Device for determining and/or monitoring a predetermined level in a container
Disclosed is a device for determining and/or monitoring a predetermined level. The multipurpose inventive device comprises the following: a mechanical oscillating structure which is placed at the same height as the predetermined level, a pot-shaped housing which is ...
05/16/2006
7010979Method and apparatus for ultrasonic sizing of particles in suspensions
A particle size distribution monitor, comprising: a transducer adapted to be a source of ultrasonic energy and positioned in contact with a suspension containing a percent by volume of particles in a liquid, the transducer transmitting ultrasonic energy through the ...
03/14/2006
6965312Firearm shot helmet detection system and method of use
A method of using a firearm shot helmet detection system includes providing a firearm shot detection system comprising a plurality of helmets worn by respective mobile fighters, each helmet including a firearm shot detection system that detects the presence and geog...
11/15/2005
6961002Sonic detection system and method of using the same
A method of sonically detecting a sonic act such as a graffiti-making act or firearm shot includes providing a sonic act detection system to sonically detect a sonic act and a camera to take an image of a perpetrator of the sonic act; locating the sonic act detectio...
11/01/2005
6938475Device for establishing and/or monitoring a predetermined fill level in a container
A device for establishing and/or monitoring a predetermined fill level in a container is provided, which also operates stably in liquids with surface waves, which includes: a mechanical oscillatory structure placed at the height of the predetermined fill level, an e...
09/06/2005
6931929Filler detection method and filler detection device
A sine wave electric signal whose frequency continuously varies within a predetermined frequency range is applied to a piezoelectric speaker, whereby a vibration frequency characteristic of the piezoelectric speaker is detected. A change of the frequency characteris...
08/23/2005
6920787Apparatus for determining and/or monitoring the filling level of a filling material in a container
The invention relates to a device for determining and/or monitoring the level of a filling material in a container. According to the invention, an oscillatable unit is provided which is fastened to a membrane, whereby said oscillatable unit is mounted at the height ...
07/26/2005
6864797Method and device for carrying out the protected detection of the pollution of water
The method according to the invention consists in providing two containers fed by the water source whose pollution is desired to be measured, each of the containers containing fish and being equipped with a detector able detect any abnormal behaviour of the fish, al...
03/08/2005
6843124Arrangement for measuring the level of contents in a container
A continuous measurement of the level of contents in a container is effected by a level measuring device functionong in accordance with the transit time principle by means of waves transmitted from a position located above the highest possible contents level onto th...
01/18/2005
6832516Integral ultrasonic liquid level continuous transmitter with independent high-level discrete alarm point level
An ultrasonic liquid level sensor instrument that combines a continuous transmitter that transmits though the air for measuring the level of liquid in a vessel on a continuous basis and a point level sensor that sets a high level alarm. The continuous level transmit...
12/21/2004
6829932Method and device for detecting a filing process
In order to detect a filling process, a signal is emitted into the container and an echo reflected from the container is recorded. At least one parameter, e.g., the amplitude h(t) of the reflected echo at a time t, is determined, and a filling process is detected if...
12/14/2004
6828912Resonant tube sensor
Resonant decay sensors that determine a parameter based on the decay of acoustic standing waves in a tube. Parameters that can be determined include temperature, pressure, the level of a material in the tube, and the height of a material above an end of the tube. Re...
12/07/2004
6786090Depth gauge
The invention provides a piezoelectric liquid gauge system in particular for a motor vehicle fuel tank, the system comprising piezoelectric means suitable for transmitting a sound wave in a liquid and for detecting said wave in order to determine the distance travel...
09/07/2004
6746053System for preventing parallel marketing of retail items
A system and method for detecting parallel marketing of an item, include forming at least one of a coating and a code on the item, interrogating the at least one of the coating and said code, and determining from the interrogating whether the item has been transferr...
06/08/2004
6696962Resonant tube level sensor
Acoustic level sensing by creating, or failing to create, resonance in a tube having a free end. An acoustic transducer at one end of the tube injects sound at a frequency that could produce resonance, depending on whether the free end is open or closed. ...
02/24/2004
6679115Apparatus for determining the filling level of a product in a container
An apparatus for determining the filling level of a product in a container with a transmission unit which generates high-frequency signals and emits them at a predetermined pulse repetition frequency in the direction of the surface of the filled product. ...
01/20/2004
6662649Material level monitoring and reporting
An material level monitoring and reporting system uses special micropower impulse radar level sensing probes, with one such probe being inserted into each of a plurality of material containment structures, such as storage tanks. The micropower impulse rad...
12/16/2003
6644116Device for determining and/or monitoring the level of a medium in a container
A device for determining and/or monitoring the level of a medium in a container or for ascertaining the density of a medium in the container embodied as a vibration detector. According to the invention the vibration detector still functions reliably even ...
11/11/2003
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