Vehicle compass system with variable resolution

Data processing: vehicles – navigation – and relative location – Navigation – With indicated course correction

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

33319, 324202, G01C 1728, G01R 3306

Patent

active

058783709

ABSTRACT:
A vehicle compass system including a magnetic field sensor from which the earth's magnetic field can be detected in two channels of measurement. The sensor is coupled to a processing circuit which samples the sensor data and determines the maximum and minimum signal levels in each channel of measurement during movement of the vehicle through a 360.degree. path of travel. Based on the spans between the maximum and minimum signal levels, adjustment signals are generated for adjusting the resolution of the compass system and the maximum and minimum signal levels of subsequent sensor data so that the system's sensitivity resolution may be adjusted and accurate heading information can be calculated and displayed regardless of the strength of the earth's magnetic field.

REFERENCES:
patent: 2053154 (1936-09-01), Pierre
patent: 2056715 (1936-10-01), Dinsmore
patent: 2132168 (1938-10-01), Klein et al.
patent: 2177218 (1939-10-01), Klein et al.
patent: 2308566 (1943-01-01), Noxon
patent: 2475593 (1949-07-01), Craddock et al.
patent: 2852859 (1958-09-01), Depp
patent: 2903798 (1959-09-01), Taylor
patent: 3626280 (1971-12-01), Van Englehoven et al.
patent: 3678593 (1972-07-01), Baker et al.
patent: 3744312 (1973-07-01), Anderson
patent: 3746842 (1973-07-01), Fowler
patent: 3778703 (1973-12-01), Jackson
patent: 3807666 (1974-04-01), Devlin
patent: 3903610 (1975-09-01), Heaviside et al.
patent: 3943763 (1976-03-01), Garner
patent: 3971981 (1976-07-01), Nakagome
patent: 3991361 (1976-11-01), Mattern et al.
patent: 4023018 (1977-05-01), Hall
patent: 4024382 (1977-05-01), Fowler
patent: 4030204 (1977-06-01), Edwards
patent: 4031630 (1977-06-01), Fowler
patent: 4091543 (1978-05-01), Lapeyre
patent: 4112755 (1978-09-01), Sullivan
patent: 4143467 (1979-03-01), Erspamer et al.
patent: 4146970 (1979-04-01), Edwards
patent: 4157619 (1979-06-01), Zuvela
patent: 4163326 (1979-08-01), Edwards
patent: 4179741 (1979-12-01), Rossani
patent: 4250626 (1981-02-01), Lazar
patent: 4277751 (1981-07-01), Lawson et al.
patent: 4293815 (1981-10-01), West et al.
patent: 4309828 (1982-01-01), Sakamoto
patent: 4336596 (1982-06-01), Martin
patent: 4341023 (1982-07-01), Marcus et al.
patent: 4347730 (1982-09-01), Fisher et al.
patent: 4373271 (1983-02-01), Nitz
patent: 4413424 (1983-11-01), Sasaki et al.
patent: 4414753 (1983-11-01), Moulin et al.
patent: 4416067 (1983-11-01), Scherer et al.
patent: 4424631 (1984-01-01), Franks
patent: 4425717 (1984-01-01), Marcus
patent: 4429469 (1984-02-01), Tsushima et al.
patent: 4445279 (1984-05-01), Tsushima et al.
patent: 4505054 (1985-03-01), Clark et al.
patent: 4539760 (1985-09-01), Marchent et al.
patent: 4546550 (1985-10-01), Marchent et al.
patent: 4546551 (1985-10-01), Franks
patent: 4555761 (1985-11-01), Matsumoto et al.
patent: 4622754 (1986-11-01), Chujo et al.
patent: 4622843 (1986-11-01), Hormel
patent: 4672565 (1987-06-01), Kuno et al.
patent: 4677381 (1987-06-01), Geerlings
patent: 4677754 (1987-07-01), Hormel
patent: 4680866 (1987-07-01), Johnson et al.
patent: 4685053 (1987-08-01), Hattori et al.
patent: 4686772 (1987-08-01), Sobel
patent: 4698912 (1987-10-01), Fowler et al.
patent: 4729172 (1988-03-01), Alberter et al.
patent: 4738031 (1988-04-01), Alberter et al.
patent: 4751783 (1988-06-01), Ina et al.
patent: 4782453 (1988-11-01), Bauer et al.
patent: 4791729 (1988-12-01), Suda
patent: 4807462 (1989-02-01), Al-Attar
patent: 4851775 (1989-07-01), Kim et al.
patent: 4862594 (1989-09-01), Schierbeek et al.
patent: 4866627 (1989-09-01), Suyama
patent: 4953305 (1990-09-01), Van Lente et al.
patent: 5090231 (1992-02-01), Gallagher
patent: 5161311 (1992-11-01), Esmer et al.
patent: 5165269 (1992-11-01), Nguyen
patent: 5235514 (1993-08-01), Matsuzaki
patent: 5239264 (1993-08-01), Hawks
patent: 5255442 (1993-10-01), Scherbeek et al.
patent: 5287297 (1994-02-01), Ihara et al.
patent: 5390122 (1995-02-01), Michaels et al.
patent: 5632092 (1997-05-01), Blank et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Vehicle compass system with variable resolution does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vehicle compass system with variable resolution, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vehicle compass system with variable resolution will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-433126

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.