| 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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| 01/27/1987 | US4638660 Basic flight instrument |
| 01/13/1987 | US4636769 Data display unit for a bicycle |
| 01/13/1987 | CA1216670A1 Aircraft flight data display system |
| 12/30/1986 | US4633216 Data display unit for a bicycle |
| 12/10/1986 | EP0204617A1 Apparatus for indicating failure in gyroscopic instruments |
| 12/04/1986 | WO1986007140A1 Device for visualizing failures for gyroscopic instruments |
| 10/29/1986 | EP0198922A1 Aircraft data acquisition and recording system. |
| 10/23/1986 | WO1986006160A1 Method and device for representing the horizon on board of aircrafts |
| 10/14/1986 | CA1212772A1 Aircraft flight data display system |
| 10/07/1986 | US4615213 Pressure sensing instrument for aircraft |
| 10/01/1986 | CN86101161A Electronic hub odometer |
| 09/24/1986 | EP0195737A1 Electronic hub odometer |
| 08/05/1986 | US4604711 Aircraft flight data display system |
| 07/01/1986 | US4598292 Electronic standby flight instrument |
| 06/17/1986 | CA1206261A1 Helicopter power available to hover indicator |
| 06/11/1986 | EP0040191B1 Multiple sensing device |
| 05/12/1986 | EP0167585A4 Pressure sensing instrument for aircraft. |
| 05/09/1986 | WO1986002750A1 Aircraft data acquisition and recording system |
| 04/15/1986 | US4583094 Solid state attitude director indicator |
| 01/28/1986 | CA1199898A1 Control device for recording distance measuring instrument attached to a vehicle hub |
| 01/15/1986 | EP0167585A1 Pressure sensing instrument for aircraft. |
| 11/19/1985 | US4554545 For providing guidance information to an aircraft pilot |
| 11/19/1985 | US4553440 In an attitude indicator for aircraft |
| 09/03/1985 | US4539641 Data processor in automobiles |
| 08/14/1985 | EP0151391A2 Data display unit for a bicycle |
| 08/14/1985 | EP0151382A2 Data display unit for a bicycle |
| 07/04/1985 | WO1985002903A1 Pressure sensing instrument for aircraft |
| 06/25/1985 | US4525782 Process for determining maintenance and serving intervals on motor vehicles |
| 04/30/1985 | US4513509 For displaying attitude of the aircraft about its pitch and roll axes |
| 04/10/1985 | EP0136828A2 Powered boat performance analyser |
| 04/09/1985 | US4510379 Control device for recording distance measuring instrument attached to a vehicle hub |
| 04/02/1985 | US4507963 Tachograph cover door assembly |
| 02/19/1985 | US4500868 Automotive driving instruction system |
| 11/28/1984 | EP0126374A2 Registering device for a tachograph |
| 11/20/1984 | US4484189 Memoryless artificial horizon generator |
| 09/12/1984 | EP0118341A1 Flight director and gun sight system for an aircraft carrying guns, which can be used as simulator for gun fire practice |
| 08/28/1984 | US4467643 Aircraft indicator capable of operation in HSI mode or CDI mode |
| 08/22/1984 | EP0116125A2 Mounting method for writing tip of a tachograph |
| 08/15/1984 | EP0116022A1 Aircraft attitude indicator |
| 08/01/1984 | EP0114396A2 Arrangement of an odometer in a tachograph |
| 07/25/1984 | EP0114018A1 Display unit for trip computer |
| 06/12/1984 | US4454496 Conformal head-up display |
| 01/04/1984 | EP0097485A2 Display apparatus |
| 12/07/1983 | EP0095994A1 Helicopter power available to hover indicator |
| 12/06/1983 | US4419079 Aircraft piloting aid system |
| 11/15/1983 | US4415879 Aircraft flight instrument display system |
| 10/18/1983 | US4409827 Combined marine instrument and display therefor |
| 10/11/1983 | US4409670 Solid-state digital flight data recorder |
| 08/09/1983 | US4397555 Artificial horizon device |
| 06/28/1983 | CA1148737A1 Artificial horizon device |
| 06/07/1983 | US4387360 Glidepath system for use with aircraft altimeters |
| 05/25/1983 | EP0079571A2 Tachograph |
| 05/04/1983 | EP0077994A2 Tachograph |
| 04/26/1983 | US4381555 Apparatus for measuring the braking time of a motor vehicle |
| 02/08/1983 | US4373184 Vertical flight path steering system for aircraft |
| 02/08/1983 | US4372160 Spherical indicators for aircraft |
| 01/12/1983 | EP0069690A2 Solid-state digital flight data recorder |
| 12/15/1982 | EP0066723A1 Vibration device for tachograph |
| 09/14/1982 | CA1131782A1 Variometer for use in an aerodyne |
| 08/18/1982 | EP0057817A2 Tachograph |
| 08/03/1982 | US4343035 Heading reference system |
| 07/27/1982 | US4342087 Indicator having belts, intended in particular for a radio altimeter |
| 06/29/1982 | CA1126839A1 Method and device for flying by the projection of luminous objects |
| 05/25/1982 | US4331965 Recording device for a tachograph with time markings |
| 04/20/1982 | US4326189 Aircraft control/guidance display and mechanism for enroute and landing utility |
| 03/29/1982 | EP0040191A4 Multiple sensing device. |
| 03/16/1982 | CA1120154A1 Performance advisory system |
| 03/09/1982 | US4319219 Automatic approach landing and go-around control system for aircraft |
| 01/27/1982 | EP0044777A1 Instrument for assisting a pilot in steering an aircraft |
| 01/13/1982 | EP0043453A1 Apparatus for evaluating recordings of trajectory recorders in case of accident |
| 12/08/1981 | US4305057 Concave quadratic aircraft attitude reference display system |
| 11/25/1981 | EP0040191A1 Multiple sensing device. |
| 10/27/1981 | US4297673 Omnidirectional speed cockpit display |
| 08/18/1981 | US4284029 Take-off safety indicator for aircraft |
| 08/11/1981 | US4283705 System for providing an integrated display of instantaneous information relative to aircraft attitude, heading, altitude, and horizontal situation |
| 07/08/1981 | EP0031619A2 Vertical flight path steering system for aircraft |
| 05/28/1981 | WO1981001461A1 Multiple sensing device and sensing devices therefor |
| 05/12/1981 | CA1101111A1 Low altitude head up display for aircraft |
| 05/06/1981 | EP0027875A2 Registration arrangement for tachographs for recording time markings superposed on the speed diagram |
| 01/27/1981 | US4247843 Aircraft flight instrument display system |
| 11/04/1980 | US4231257 Slope sensor for a vehicle |
| 10/15/1980 | EP0016994A1 Road usage meter for motor vehicles |
| 09/30/1980 | US4224752 Electromagnetic annunciator |
| 09/09/1980 | CA1085199A1 Display and indicating system for a vehicle |
| 07/08/1980 | US4212064 Performance advisory system |
| 06/25/1980 | EP0012223A1 Tachograph |
| 04/15/1980 | US4198654 Systems for the display and indication of information |
| 01/09/1980 | EP0006773A2 Improved variometer |
| 12/13/1979 | WO1979001079A1 Improved variometer |
| 12/04/1979 | CA1067608A1 Peripheral vision horizon device |
| 12/04/1979 | CA1067322A1 Peripheral vision horizon device |
| 09/11/1979 | US4167113 Display systems |
| 08/07/1979 | US4163387 Aircraft cabin display unit |
| 08/07/1979 | CA1060089A1 Remote selector for flight instruments |
| 04/10/1979 | US4149148 Aircraft flight instrument display system |
| 02/06/1979 | US4138661 Attitude indicator having expanded scale |
| 12/19/1978 | US4130015 Safe take-off indicators |
| 09/19/1978 | US4115754 Aircraft onboard operational status indicator |
| 06/06/1978 | US4093158 Airplane instrument with throttle control selectively regulated by air speed or lift |
| 05/02/1978 | US4086810 Aircraft instrument |