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| Number | Title | Issue Date |
| 7439848 | Handheld aid for the visually impaired The system of the preferred embodiments includes a housing, an input element to detect the characteristics of an area, a processor to convert the detected characteristics of an area to an output signal, and an aiming device to adjust the orientation of the input ele... | 10/21/2008 |
| 7317405 | Solar-powered wireless crosswalk warning system A solar-powered crosswalk warning system is disclosed. The crosswalk warning system comprises two or more crosswalk warning beacons, located on opposite sides of the road. Each beacon comprises a solar panel to recharge a battery, a battery back, a control unit to c... | 01/08/2008 |
| 7267281 | Location, orientation, product and color identification system for the blind or visually impaired Barcode scanning and digitizing technology incorporated in the tip of a white cane for the blind, which houses barcode reader, sonar, color sensory and audio production mechanisms. Apparatus detects and announces via audio or vibratory output, obstacles, drop-offs, ... | 09/11/2007 |
| 6906625 | System and method for information assimilation and functionality control based on positioning information obtained by impulse radio techniques A system and method for information assimilation and functionality control based on positioning information obtained by impulse radio techniques, which utilizes the position information and communication abilities inherent in impulse radio technology to correlate po... | 06/14/2005 |
| 6556148 | Emergency flashing light mechanism An emergency flashing light mechanism includes one or more emergency flashing lights, a processor, a transmitter, and a receiver. The emergency light flashing mechanisms can exchange information with the vehicles, pedestrians and other components of a tra... | 04/29/2003 |
| 6486784 | Process and system enabling the blind or partially sighted to find their bearings and their way in an unknown environment The invention concerns a method and a system enabling the blind and the partially sighted to direct themselves and find their way in unknown surroundings. Said method consists in teletraining using a portable sensor in particular touch-sensitive or audio,... | 11/26/2002 |
| 6417797 | System for A multi-purpose portable imaging device and methods for using same The present invention is a multi-purpose portable imaging device. The device is small enough to be hand-held or wearable and has embedded on its surface at least one sensor. These sensors may be active or passive. Analog energy received from the sensors i... | 07/09/2002 |
| 6198395 | Sensor for sight impaired individuals A sensory system and method for a visually impaired user includes an array of laser transmitters for transmitting laser signals in given areas corresponding to each of the laser transmitters. An array of laser sensors are provided for receiving laser sign... | 03/06/2001 |
| 6127965 | Method and apparatus for rejecting rain clutter in a radar system A method and apparatus for detecting the presence of objects in a vehicle operator's blind spots. The apparatus comprises a side-facing Doppler radar system using continuous wave (CW) transmission with frequency modulation (FM) operation from a frequency ... | 10/03/2000 |
| 5982286 | Object detecting apparatus An object detecting apparatus includes at least one transmitter and receiver pair having a transmitter for transmitting waves and a receiver for detecting reflected waves caused by objects reflecting the transmitted waves. The receiver outputs reflected w... | 11/09/1999 |
| 5973618 | Intelligent walking stick A portable safety mechanism housed in a cane, a walking stick or a belt-carried housing. In each of such embodiments, the portable safety mechanism includes a processor, a transmitter, a receiver, and an outside image sensor or scanner, a warning device s... | 10/26/1999 |
| 5818381 | Electronic viewing aid An electronic viewing aid according to the present invention comprises a small-scale, portable personal radar system adapted to be worn by a person, which radar system includes a miniaturised radar front end assembly (22) operating with millimeter wavelen... | 10/06/1998 |
| 5508699 | Identifier/locator device for visually impaired The present invention is a locator device for the visually impaired including a transmitter and a dual sensing system having a receiver with earphones which are attached to opposite sides of a unit worn on the user's head. The sensing system is capable of... | 04/16/1996 |
| 5144294 | Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons A radio frequency message apparatus for aiding ambulatory travel by handicapped persons such as blind individuals. The apparatus generally comprises a portable, radio frequency transceiver and a stationary, radio frequency base transceiver unit. The porta... | 09/01/1992 |
| 4935907 | Electronic homing system A homing system for directing the user to one of a plurality of objects and/or locations comprises a plurality of remote modules and a mobile module. The remote modules transmit an uncoded nondirectional response signal after receiving a coded request sig... | 06/19/1990 |
| 4907136 | Echo location system for vision-impaired persons Echo locating apparatus for a vision-impaired person which includes: a sound emitter for emitting a stream of sound bursts of ultrahigh frequency; at least on receive channel having a microphone for receiving echoes of the sound bursts and generating echo... | 03/06/1990 |
| 4712003 | Blind person guide device There is disclosed a blind person guide device comprising a walking stick, a source mounted on a front face of the walking stick for emitting a beam of infrared radiation in a forward direction, a photoelectric element mounted on the front face of the wal... | 12/08/1987 |
| 4660022 | System for guiding the blind A system for guiding the blind including at least one receiver/sound generator unit having a built-in sound generator giving information on the destination of the user, and a receiver for actuating the sound generator in accordance with a control signal c... | 04/21/1987 |
| 4310903 | Method of and apparatus for providing information as to the existence or position of objects A method of and apparatus for locating an object by stress wave energy reflection in which the wave energy is transmitted as a beam by transmitting transducer elements, and is scanned through successive sectors of a field of view by imposing differential ... | 01/12/1982 |
| 4292678 | Method of and apparatus for echo location of objects A method of locating an object by wave energy reflection and an apparatus therefor in which receiving outer transducers provide directional receptivities represented by polar lobes diverging on opposite sides of a reference axis and an inner receiving tra... | 09/29/1981 |
| 4280204 | Mobility cane for the blind incorporating ultrasonic obstacle sensing apparatus A conventional mobility cane for the blind incorporates a compact, dual-mode, ultrasonic obstacle detection sensor that includes a combination transmitting and receiving, capacitance type electrostatic transducer. The size of the protective zone associate... | 07/21/1981 |
| 4025922 | Traffic control system A traffic control system particularly suitable for aiding the blind includes an interrogating FM radio transmitter-receiving unit, which can be incorporated into a cane or the like, and a responding FM radio receiver-transmitter unit operatively associate... | 05/24/1977 |
| 3987403 | Sensory aids for the blind A sensory aid for the blind in which a frequency swept ultra-sonic carrier signal is generated and radiated as acoustic energy from a head set and reflected acoustic energy is received by two spaced apart receiving transducers which feed a two channel rec... | 10/19/1976 |
