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Class Information
Number: 342/24
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Blind aid
Description: Subject matter wherein a radar system generates the effect of a long antenna by signal processing means rather than by the actual use of a long physical antenna.










Patents under this class:

Patent Number Title Of Patent Date Issued
8346437 Vehicle driving support device and vehicle driving support method Jan. 1, 2013
8175393 Multi-phenomenology object detection May. 8, 2012
8120521 Radar echolocater with audio output Feb. 21, 2012
8077020 Method and apparatus for tactile haptic device to guide user in real-time obstacle avoidance Dec. 13, 2011
7439848 Handheld aid for the visually impaired Oct. 21, 2008
6556148 Emergency flashing light mechanism Apr. 29, 2003
6486784 Process and system enabling the blind or partially sighted to find their bearings and their way in an unknown environment Nov. 26, 2002
6417797 System for A multi-purpose portable imaging device and methods for using same Jul. 9, 2002
6198395 Sensor for sight impaired individuals Mar. 6, 2001
6127965 Method and apparatus for rejecting rain clutter in a radar system Oct. 3, 2000
5982286 Object detecting apparatus Nov. 9, 1999
5973618 Intelligent walking stick Oct. 26, 1999
5818381 Electronic viewing aid Oct. 6, 1998
5508699 Identifier/locator device for visually impaired Apr. 16, 1996
5144294 Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons Sep. 1, 1992
4935907 Electronic homing system Jun. 19, 1990
4907136 Echo location system for vision-impaired persons Mar. 6, 1990
4712003 Blind person guide device Dec. 8, 1987
4660022 System for guiding the blind Apr. 21, 1987
4310903 Method of and apparatus for providing information as to the existence or position of objects Jan. 12, 1982
4292678 Method of and apparatus for echo location of objects Sep. 29, 1981
4280204 Mobility cane for the blind incorporating ultrasonic obstacle sensing apparatus Jul. 21, 1981
4025922 Traffic control system May. 24, 1977
3987403 Sensory aids for the blind Oct. 19, 1976











 
 
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