DIDI (HK) SCIENCE AND TECHNOLOGY LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1590
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1396
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8439
 
  
 
G08G TRAFFIC CONTROL SYSTEMS 760
 
  
 
G06G ANALOGUE COMPUTERS 449
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 3130
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 3148
 
  
 
H04B TRANSMISSION 3207
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 291

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9746372 Receiver of a pulsed light signal with wide dynamic rangeNov 06, 13Aug 29, 17[G01J, H03F, G01S]
9616891 Vehicle guidance system and corresponding methodSep 27, 13Apr 11, 17[B60W, G05D, G01D]
8924139 Collision prevention device and method for a vehicle on the groundJun 05, 08Dec 30, 14[G08G]
8487233 Vision equipment comprising an optical strip with a controlled coefficient of light transmissionOct 05, 10Jul 16, 13[G01J, G02B, G02F]
8441734 Head-up display with optical combination providing protection against solar illuminationJul 09, 10May 14, 13[G09G, G02B]
8115672 Method of measuring distance, notably for short-range radarFeb 02, 10Feb 14, 12[G01S]
8035888 Frequency shifter in an optical path containing a pulsed laser sourceMar 11, 05Oct 11, 11[G02F]
7903023 Obstacle detection system notably for an anticollision systemMar 14, 08Mar 08, 11[G01S]
7864110 Method for beam formation by calculation, in particular adapted to the compensation of failures of active modules of a radar with electronic scanningMay 24, 06Jan 04, 11[H01Q, G01S]
7733243 Device and method for signaling lateral maneuver marginsJul 04, 05Jun 08, 10[G08G]

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Expired/Abandoned/Withdrawn Patents

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