| Patents for G01C 23 - Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed, acceleration (3,615) |
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| 07/28/1992 | US5134394 Light aircraft navigation apparatus |
| 06/03/1992 | CN2106355U Speed odometer for car |
| 04/26/1992 | WO1992008107A1 Apparatus for projecting artificial horizon viewable by peripheral vision |
| 04/10/1992 | WO1992006442A1 Airport control/management system |
| 04/10/1992 | CA2070840A1 Airport control/management system |
| 04/01/1992 | CN2100603U Electronic automobile speed and mileage indicating device |
| 02/06/1992 | WO1992001906A1 Improved head-up display systems |
| 02/06/1992 | WO1992001905A1 Aircraft instrumentation systems |
| 12/25/1991 | CN2091447U Automobile meter with microcomputer |
| 12/05/1991 | DE4117015A1 Vehicle tachograph receiving drive shaft through hole - facilitating coupling via barrel-shaped coupling shaft to meter |
| 11/26/1991 | US5067667 Aircraft optimization indicia and the use thereof |
| 11/14/1991 | DE4115158A1 Digital vehicle operation condition recorder - keeps timed records of any vehicle characteristics e.g. speed |
| 11/13/1991 | EP0456329A1 Primary flight display presenting resolution advisory information provided by a traffic alert and collision avoidance system |
| 10/17/1991 | DE4011560A1 Combined altitude, inclination and distance meter for vehicle - has conventional distance meter, pendulum used for inclination measurement, computer and display |
| 10/15/1991 | US5057835 Map and text display system for vehicle navigation |
| 09/18/1991 | CN2085055U Electronic speed and distance apparatus |
| 09/04/1991 | CN1054308A Integratively electromechanical monitor of airplane flight parameters |
| 08/20/1991 | US5041982 Edit area algorithm for navigation display of an electronic flight instrument system |
| 07/31/1991 | CN1053492A Electronic odometer |
| 05/07/1991 | CA1283977C Single cue flight director indicator |
| 03/27/1991 | EP0418558A2 Method and device for displaying flight information |
| 03/26/1991 | US5003305 Apparatus and method for displaying aircraft flight path angle on an attitude display indicator |
| 03/12/1991 | US4999780 Automatic reconfiguration of electronic landing display |
| 01/29/1991 | US4988996 Display system |
| 01/02/1991 | CN2068670U Locomotive speed/odometer |
| 01/02/1991 | CN2068669U One-piece mechanical and electricle flight parameter monitor |
| 12/05/1990 | CN2066975U Electric sensing speed odometer |
| 12/04/1990 | US4975696 Real-time flight and destination display for aircraft passengers |
| 11/28/1990 | EP0399670A2 Airborne computer generated image display systems |
| 11/25/1990 | CA2016359A1 Airborne computer generated image display system |
| 11/07/1990 | EP0396071A2 Apparatus and method for an aircraft display exhibiting vertical speed, traffic awareness, and collision resolution advisories |
| 11/02/1990 | CA2015847A1 Apparatus and method for an aircraft flat panel display exhibiting vertical speed, traffic awareness, and collision resolution advisories |
| 09/12/1990 | EP0386039A1 Traffic advisory-vertical speed and radar display. |
| 09/05/1990 | EP0384993A2 Automatic reconfiguration of electronic landing display |
| 08/22/1990 | EP0383083A1 Aircraft display instrument |
| 06/27/1990 | CN1008556B Electronic hub odometer |
| 05/09/1990 | EP0198922B1 Aircraft data acquisition and recording system |
| 05/02/1990 | EP0366164A2 Apparatus and method for displaying aircraft flight path angle on an attitude display indicator |
| 04/03/1990 | US4914733 Traffic advisory-instantaneous vertical speed display |
| 03/28/1990 | CN2055246U Microcomputer controlled odometer |
| 03/27/1990 | US4911420 Arrangement for transporting a record chart bundle |
| 03/20/1990 | US4910513 Apparatus and methods for generating a stall warning margin on an aircraft attitude indicator display |
| 02/20/1990 | US4903044 Arrangement for the automatic and correct positioning with respect to time of a record chart bundle serving to record in segments in a continuous manner |
| 02/20/1990 | US4903017 Aircraft display devices |
| 01/23/1990 | US4896154 Map display system for vehicle navigation |
| 01/10/1990 | EP0218663B1 Method and device for representing the horizon on board of aircrafts |
| 01/09/1990 | US4893261 Apparatus and method for determining airspeed and direction |
| 12/13/1989 | CN2049348U Electronic speedometer for motor vehicles |
| 11/02/1989 | EP0339225A2 Device for a recording apparatus |
| 10/31/1989 | US4878054 Method and device for representing the horizon on board an aircraft |
| 09/26/1989 | CA1261065A1 Windshear detection and warning system with evasion command |
| 09/13/1989 | EP0331990A2 Diagram disc bundle transportation device |
| 09/13/1989 | CN2044345U Mile and speed meter for motor vehicles |
| 08/30/1989 | EP0330147A2 Aircraft helmet pointing angle display symbology |
| 08/30/1989 | EP0330002A2 Arrangement for the automatic, exactly timed positioning of a bundle of diagram discs for registration in portions, yet continuously |
| 08/29/1989 | US4862149 Fault display device for gyroscopic instruments |
| 08/23/1989 | CN2043345U Electronic speedometer |
| 08/22/1989 | US4860007 Integrated primary flight display |
| 08/15/1989 | US4857922 Windshear detection and warning system with evasion command |
| 08/02/1989 | CN1034426A Automobile-carried monitoring and recording instrument |
| 07/19/1989 | EP0324195A2 Integrated primary flight display |
| 07/04/1989 | US4845495 Integrated avionics control and display arrangement |
| 06/27/1989 | CA1256565A1 Wind shear detector head-up display system |
| 06/07/1989 | EP0319447A2 Apparatus and method for determining airspeed and direction |
| 06/07/1989 | EP0167585B1 Pressure sensing instrument for aircraft |
| 05/05/1989 | WO1989004003A1 Traffic advisory-vertical speed and radar display |
| 04/25/1989 | US4825374 Aircraft descent guide system and method for creating descent guidance information |
| 04/25/1989 | US4825194 Single cue flight director indicator |
| 04/11/1989 | CA1252565A1 Airborne flight planning and information system |
| 12/20/1988 | US4792904 Computerized flight inspection system |
| 11/30/1988 | EP0292902A2 Single cue flight director indicator |
| 11/22/1988 | US4786905 Aircraft instrument |
| 10/12/1988 | CN88102492A Stroke-displaying instrument |
| 09/20/1988 | US4773015 Method and apparatus for onboard monitoring of aircraft takeoff |
| 08/10/1988 | CN87214760U Storage testing device on bullet |
| 08/02/1988 | CA1240047A1 Aircraft data acquisition and recording system |
| 05/24/1988 | CA1237196A1 Electronic hub odometer |
| 04/13/1988 | EP0263179A1 Wind shear detector head-up display system |
| 04/05/1988 | US4736331 Helicopter power available to hover indicator |
| 03/01/1988 | US4729102 Aircraft data acquisition and recording system |
| 11/18/1987 | CN86205220U Digital automobile odometer with function of memory |
| 10/21/1987 | CN87202309U Automobile speed recoder with microcomputer |
| 10/08/1987 | WO1987006043A1 Wind shear detector head-up display system |
| 09/29/1987 | US4697278 Electronic hub odometer |
| 09/09/1987 | EP0235962A2 Windshear detection and warning system |
| 08/11/1987 | CA1225258A1 Pressure sensing instrument for aircraft |
| 07/21/1987 | US4682171 Turn-and-bank indicator which displays the total angle or total time of a turn |
| 07/15/1987 | CN86202481U Electronic digital speed-mileage meter |
| 06/24/1987 | EP0226135A2 Modular marine instrument |
| 06/03/1987 | EP0224278A2 Apparatus for generating an aircraft situation display |
| 06/02/1987 | US4669303 Trustworthy bank and angle of attack indicator |
| 05/05/1987 | US4663718 Display unit for trip computer |
| 05/05/1987 | US4663627 Aircraft control position indicator |
| 04/22/1987 | EP0218663A1 Method and device for representing the horizon on board of aircrafts. |
| 03/24/1987 | CA1219675A1 Data display unit for a bicycle |
| 03/24/1987 | CA1219674A1 Data display unit for a bicycle |
| 03/16/1987 | EP0198922A4 Aircraft data acquisition and recording system. |
| 03/11/1987 | CN85100173A Method and device for measuring the rotating and linear speed of a moving target |
| 02/24/1987 | US4644788 Modular marine instrument |
| 02/10/1987 | US4642775 Airborne flight planning and information system |