Communications: directive radio wave systems and devices (e.g. – Determining distance – With frequency modulation
Reexamination Certificate
2006-12-12
2006-12-12
Sotomayor, John B. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With frequency modulation
C342S134000, C342S135000, C342S145000, C342S201000, C342S202000
Reexamination Certificate
active
07148841
ABSTRACT:
A radar device includes a code generator, a transmission section, a reception section, a delay section, a despreading process section, a correlation value detection section, a target detection section, an estimation section, an acquisition section, and a correction section. The estimation section estimates a reception intensity of a reflection wave from a target located at a first distance on a basis of a detected correlation value. The acquisition section acquires a cross-correlation value between the first distance and a second distance, on a basis of the estimated reception intensity of the reflection wave from the target located at the first distance, a delayed despreading code used to detect a correlation value for the first distance and a delayed despreading code used to detect a correlation value for the second distance. The correction section corrects the correlation value for the second distance on a basis of the cross-correlation value.
REFERENCES:
patent: 4241347 (1980-12-01), Albanese et al.
patent: 5731781 (1998-03-01), Reed
patent: 5731782 (1998-03-01), Walls
patent: 5959571 (1999-09-01), Aoyagi et al.
patent: 6130636 (2000-10-01), Severwright
patent: 6381261 (2002-04-01), Nagazumi
patent: 6714286 (2004-03-01), Wheel
patent: 6822605 (2004-11-01), Brosche
patent: 6989784 (2006-01-01), Hiromori et al.
patent: 7075477 (2006-07-01), Hiromori et al.
patent: 2005/0001758 (2005-01-01), Hiromori et al.
patent: 2005/0180491 (2005-08-01), Hiromori
patent: 2005/0212692 (2005-09-01), Iny et al.
patent: 2006/0055588 (2006-03-01), Yoneda et al.
patent: 410563 (1991-01-01), None
patent: 574282 (1993-12-01), None
patent: 0 694 171 (1996-01-01), None
patent: 1 178 330 (2002-02-01), None
patent: 1566656 (2005-08-01), None
patent: U 05-002092 (1993-01-01), None
patent: A 2000-009833 (2000-01-01), None
patent: A 2000-137073 (2000-05-01), None
patent: 2005207932 (2005-08-01), None
“A pre-crash radar sensor system based on pseudo-noise coding”, Filimon, V.; Buechler, J. Microwave Symposium Digest., 2000 IEEE MTT-S Int'l vol. 3, 2000 Ps:1415-1418.
Wycoff et al., “Scale Time Offset Robust Modulation,” 2003 IEEE Military Communications Conference, vol. 2 of 2, pp. 330-335, XP010698262 {Oct. 13, 2003}.
Hiromori Masaki
Yoneda Kimihisa
Fujitsu Ten Limited
Sotomayor John B.
LandOfFree
Radar device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Radar device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radar device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3702506