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Expired Canadian patentCanada

Electronic tilt measuring system

CA 1330455 C · Owner: Alger, Robert Michael · Inventors: Falzon, Joseph Saviour; Alger, Robert Michael

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention provides an electronic tilt measuring system for measuring the relative tilts of various platforms such as weapons on a ship. The basic system comprises an inclinometer (1) at each platform, a central control and display unit (2) and a computer (4). The output signals from the inclinometers (1) are passed to the central unit (2) and averaged over a synchronised time period to give an average inclination measurement with respect to the gravity vector over the measurement period. The data is then passed to the computer (4) where it is analysed. The computer (4) is programmed to calculate measured tilts and relative tilts and to produce graphical representations of the data.

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents.

Why it's free to use

  • Granted June 28, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 12, 1988
GrantedJune 28, 1994
Term endedJune 28, 2011
Patent numberCA 1330455 C
Classification (IPC)G01C9/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedDec 12, 1988Patent grantedJune 28, 1994Term endedJune 28, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.