Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 8077539 | Acoustic reflector An acoustic reflector (10) suitable for use as a reflective target for navigational aids and for location and re-location applications. The acoustic reflector comprises a shell (12) arranged to surround a solid core (16). The shell is adapted to... | 12/13/2011 |
| 7760585 | Through the bulkhead repeater A method and apparatus for transmitting radio frequency signals and associated information through a plurality of compartments and associated bulkhead walls in a water vessel. The method and apparatus includes a through-the-bulkhead repeater system, in which one or ... | 07/20/2010 |
| 7460433 | Ultrasonic wave transmitting and receiving system for detecting underwater objects A trawl net (2) is attached to ends of warps (4) extending from a ship (6), such as a trawl boat, in the sternward direction, and a transponder (5) to transmit a response signal is attached to an upper part of a net mouth of the trawl net... | 12/02/2008 |
| 7430152 | System and method of operation thereof for increasing acoustic bandwidth of transmitting devices Disclosed is a system, and a method of operation thereof, which improves the RF link employed between a transmitting sonobuoy and an associated receiving aircraft. The sonobuoy receives acoustic information from hydrophones and transmits this information to the airc... | 09/30/2008 |
| 7369014 | Flexible surface acoustic wave device A surface acoustic wave device is provides and comprises a flexible substrate having a first side and a piezoelectric film attached to at least a portion of the first side of the flexible substrate. The piezoelectric film can have a first side and a second side. A s... | 05/06/2008 |
| 7362258 | Transponder detection system using radio and light wave signals A target object detection system for detecting a target object using a detector and a tag on the target object; the tag includes a radio wave receiver receiving radio wave from the detector; a light receiver receiving a light signal from the detector; a receipt sign... | 04/22/2008 |
| 7302062 | Audio enhancement system An audio enhancement system for compensating for ambient noise in a listening environment, comprises an audio system that produces an electrical sound signal and generates a sound output from the electrical sound signal. A sensor (e.g., a microphone) senses a total ... | 11/27/2007 |
| 7190257 | Data encoding in radio frequency identification transponders A method and apparatus are provided for efficiently encoding source data in radio frequency identification (RFID) systems. The encoded source data may also provide additional functionality such as data error detection and correction. A source data encoding and decod... | 03/13/2007 |
| 7170929 | Digital signal transmission system and method of displaying transmission condition in digital signal transmission system A digital signal transmission system using a digital modulation system comprising a digital signal transmitter having a first digital signal processing unit and a digital signal receiver receiving a digital signal from the transmitter, wherein the digital signal rec... | 01/30/2007 |
| 7088248 | System and method for selectively reading RFID devices A radio frequency identification (RFID) device detection system includes an RFID device reader configured to detect RFID devices within a predetermined designated area, and two or more jamming signal transmitters configured to prevent the RFID device reader from det... | 08/08/2006 |
| 7084740 | Wireless locating and tracking systems A locating and tracking system is provided in which the assets are desired to be located and tracked are associated with either radio frequency (RF) tags or radio frequency identification and radio frequency data communication (RFID/RFDC) devices. Depending on which... | 08/01/2006 |
| 7071850 | Method and apparatus to facilitate transmission of ternary movable barrier operator information Ternary data as corresponds to a movable barrier operator is provided (21) and converted (22) into corresponding binary information. In a preferred approach this comprises converting each ternary trit into a corresponding binary pair. Pursuant to a pre... | 07/04/2006 |
| 7005968 | Wireless locating and tracking systems A locating and tracking system is provided in which the assets desired to be located and tracked are associated with either radio frequency (RF) tags or radio frequency identification and radio frequency data communication (RFID/RFDC) devices. Depending on which dev... | 02/28/2006 |
| 6934218 | Sounding device for showing its location on a fish detector A sounding device for showing its location on a sonar fish detector including a sonar wave receiving unit (10) to detect the sonar signal, a sonar wave producing unit (20) to simulate the reflection of the sonar wave from the fish, a control unit (3... | 08/23/2005 |
| 6934649 | Waveform detection system and state-monitoring system The present invention provides a waveform detection system and a state-monitoring system. The waveform detection system features a signal-processing function that characterizes and detects non-cyclic transient variations and performs 1/f fluctuation conversion for i... | 08/23/2005 |
| 6912247 | Digital signal transmission system and method of displaying transmission condition in digital signal transmission system A digital signal transmission system using a digital modulation system comprising a digital signal transmitter having a first digital signal processing unit and a digital signal receiver receiving a digital signal from the transmitter, wherein the digital signal rec... | 06/28/2005 |
| 6904000 | Object locator system This invention is a system for locating an object. A tag unit (100) that is attached or embedded into the object to be located generates radio frequency signals when excited by an ultrasonic wave (108). The locator unit (100) generates the ultra... | 06/07/2005 |
| 6711095 | Expenable/recoverable voice and data communications system buoy An untethered communications buoy system has an untethered buoy freely floating on the surface of water to not compromise the location of the submersible. The submersible has a cavity containing a first data interface member connected to a computer/data-storage that... | 03/23/2004 |
| 6547733 | Ultrasound imaging apparatus and method using Golay codes with orthogonal property Ultrasound images are obtained using a set of Golay codes with orthogonal property as ultrasound receiving and transmitting signals. Ultrasound signals having a plurality of codes are transmitted simultaneously by using the orthogonal property of the Gola... | 04/15/2003 |
| 6307808 | Methods and apparatuses for seismic prospecting An improved method and apparatus are provided for improving a coupling to a substrate and orientation of seismic receivers such as a geophone to a substrate for the analysis and gathering of seismic data.... | 10/23/2001 |
| 6304512 | Method and apparatus enabling remote release of hooks and hook assemblies to free fishing lures A fishing method and apparatus is provided comprising a lure module enhanced with circuitry that is capable of releasing hooks upon detection of a signal sent from a user operated, remote device enhanced with circuitry to send the signals causing hook rel... | 10/16/2001 |
| 5822272 | Concentric fluid acoustic transponder An acoustic transponder method and apparatus provides a high degree of frency and target strength selectivity by utilizing two or more concentrically disposed, hollow spheres each containing acoustically refractive fluids. The invention provides the poss... | 10/13/1998 |
| 5742251 | Combat harness The harness comprises a plurality of elements, such as light detectors, a laser emitter and a master control unit. The elements are communicating by means of ultrasonic signals. Such signals provide a secure communication over a short distance while being... | 04/21/1998 |
| 5570323 | Navigational device for a scuba diver A navigational device (10) for assisting a scuba diver in determining a direction toward and a distance from a dive boat (12) or to a buoy near the shore at which point the dive originated. The navigational device (10) includes a transponder unit (16) car... | 10/29/1996 |
| 5504477 | Tracking system A performer tracking system, and an associated method, for tracking movements of at least one performer upon a stage. A plurality of signal transmitters are positioned about the stage and transmit electromagnetic signals. Performers on the stage carry tra... | 04/02/1996 |
| 5148404 | Transponder and method for the production thereof The invention relates to a transponder comprising a closed glass casing in which electrical components are placed, wherein the glass incorporates iron oxide, a method for the production of such a transponder, the use of iron oxide in the glass of a closed... | 09/15/1992 |
| 5136548 | Remote-control system for closures A remote-control system for closures with a movable hand transmitter with at least one transmission key, this transmitter generating and radiating directed coded control signals upon actuation of the transmission key of the hand transmitter. At least one ... | 08/04/1992 |
| 5122989 | Digital echo repeater The present invention relates to an echo repeater/beacon system for use ooard marine vessels and platforms. The system includes a hydrophone for receiving an incoming acoustic signal from a remote station, an on-board computer for analyzing, detecting, s... | 06/16/1992 |
| 5065370 | Programmable pulse shaper for sonobouy apparatus This invention discloses electronic circuit that can be either embedded in n oceanographic sonobuoy housing or used as stand-alone equipment and which establishes and generates sonar signals of a repetition rate, pulse length, and amplitude pulse shape whi... | 11/12/1991 |
| 5054007 | Handclap activated cat repelling device A compact, sound activated device for repelling house cats from indoor surfaces and areas. When triggered from a remote location by a sharp audio signal such as that of a human handclap, the device produces a deterrent sound which repels cats from the are... | 10/01/1991 |
| 5016227 | Top mounted buoy signaling device A top mounted buoy signaling device for marine navigation which is selectively activated in response to a coded address signal. The buoy signaling device includes a buoy having a top mounted receiver assembly which is activated by a transmitter assembly. ... | 05/14/1991 |
| 5008859 | Acoustic transponder receiver circuit A transponder that responds differently to two different input signals. The first input signal is at a first frequency. The first input signal is detected by a first powered detector that operates at the first frequency. The transponder responses in a fir... | 04/16/1991 |
| 4992988 | Underwater acoustic control system An underwater acoustic control system for use in a subsurface unit receiv coded signals. A hydrophone receives the signal and enables an electronics package to supply a control pulse which could activate a switch or fire a squib. A timer is included in t... | 02/12/1991 |
| 4951263 | Spread spectrum underwater location beacon system An underwater location beacon emits a continuous wave signal which is phase-shift modulated by a pseudo-noise, spread spectrum code. This signal is detected with an exact replica of the transmitted code. To an unauthorized observer without the replica, th... | 08/21/1990 |
| 4903243 | Marine transponder system A marine transponder system which is selectively activated to produce a predetermined signal pattern of light/sound/radio transmissions for maritime devices and structures such as navigational aids, mooring, docking or slip facilities and/or EPIRBs and ot... | 02/20/1990 |
| 4894810 | Method and a device for measuring a distance by means of ultrasonic pulses The invention relates to a method and a device for measuring a distance by means of an ultrasound. A drawback of this type of known methods for measuring a distance is that the transmitting and the receiving devices are separate, and they are designed to ... | 01/16/1990 |
| 4829494 | Acoustic pinger for use in high speed water entry test bodies Tracking and location of a high speed water rentry vehicle is assured by the inclusion of an acoustic source. An acoustic generator in the form of a piezoelectric transducer is potted in polyurethane and fills a volume aft of a disc-shaped wall in the re-... | 05/09/1989 |
| 4751689 | Method of measuring a distance Disclosed is a method for measuring a distance by using a radio-wave and an ultra-sonic wave. The method includes the steps of generating a certain start pulse in the form of a radio-wave between a measuring position and a position to be measured from the... | 06/14/1988 |
| 4654528 | Radiation level reporting system A remote sensing transponder system is disclosed including apparatus for sensing gamma radiation levels proximate thereto, generating a signal indicative of the sensed radiation level, and transmitting an RF Signal modulated with the generated signal to a... | 03/31/1987 |
| 4631708 | Transmitter/responder systems A memory suitable for use as a responder, comprising: (a) receiver means for receiving a transmitted signal S1; (b) generator means (76) for generating a carrier component of a transmittable signal S2; (c) logic means (L2) for enabling signal S2 to be in... | 12/23/1986 |
