Direction finder and locator

Communications: electrical – Condition responsive indicating system – With particular coupling link

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C340S539210, C342S133000, C342S146000

Reexamination Certificate

active

07148802

ABSTRACT:
A direction finder is disclosed that is a hand-held device used to locate a vehicle in a parking lot using a two way radio link, operating in an unlicensed freely available band of the radio spectrum. Made for outdoor use, it is independent of GPS systems, cellular telephone systems, Loran, and any other system with a large infrastructure.

REFERENCES:
patent: 3806936 (1974-04-01), Koster
patent: 4313035 (1982-01-01), Jordan et al.
patent: 4491971 (1985-01-01), Webb et al.
patent: 4706689 (1987-11-01), Man
patent: 4740788 (1988-04-01), Konneker
patent: 4763268 (1988-08-01), Itoh et al.
patent: 5014040 (1991-05-01), Weaver et al.
patent: 5274359 (1993-12-01), Adams
patent: 5289163 (1994-02-01), Perez et al.
patent: 5394161 (1995-02-01), Ubaldo et al.
patent: 5485163 (1996-01-01), Singer et al.
patent: 5512879 (1996-04-01), Stokes
patent: 5583517 (1996-12-01), Yokev et al.
patent: 5592180 (1997-01-01), Yokev et al.
patent: 5594425 (1997-01-01), Ladner et al.
patent: 5596313 (1997-01-01), Berglund et al.
patent: 5617074 (1997-04-01), White
patent: 5640146 (1997-06-01), Campana, Jr.
patent: 5652570 (1997-07-01), Lepkofker
patent: 5714932 (1998-02-01), Castellon et al.
patent: 5722064 (1998-02-01), Campana, Jr.
patent: 5731757 (1998-03-01), Layson, Jr.
patent: 5742233 (1998-04-01), Hoffman et al.
patent: 5771001 (1998-06-01), Cobb
patent: 5771002 (1998-06-01), Creek et al.
patent: 5812056 (1998-09-01), Law
patent: 5841352 (1998-11-01), Prakash
patent: 5850196 (1998-12-01), Mowers
patent: 5892454 (1999-04-01), Schipper et al.
patent: 5900817 (1999-05-01), Olmassakian
patent: 5905461 (1999-05-01), Neher
patent: 6014080 (2000-01-01), Layson, Jr.
patent: 6109203 (2000-08-01), Mears
patent: 6127931 (2000-10-01), Mohr
patent: 6172640 (2001-01-01), Durst et al.
patent: 6181253 (2001-01-01), Eschenbach et al.
patent: 6208269 (2001-03-01), Brodie et al.
patent: 6226589 (2001-05-01), Maeda et al.
patent: 6232916 (2001-05-01), Grillo et al.
patent: 6236358 (2001-05-01), Durst et al.
patent: 6243039 (2001-06-01), Elliot
patent: 6263280 (2001-07-01), Stingone, Jr.
patent: 6269246 (2001-07-01), Rao et al.
patent: 6275166 (2001-08-01), del Castillo et al.
patent: 6278370 (2001-08-01), Underwood
patent: 6317689 (2001-11-01), Lee
patent: 6331825 (2001-12-01), Ladner et al.
patent: 6339397 (2002-01-01), Baker
patent: 6359568 (2002-03-01), Johnson
patent: 6362778 (2002-03-01), Neher
patent: D456288 (2002-04-01), Arispuro
patent: 6388612 (2002-05-01), Neher
patent: 6392592 (2002-05-01), Johnson et al.
patent: 6393294 (2002-05-01), Perez-Breva et al.
patent: 6400482 (2002-06-01), Lupton et al.
patent: 6421001 (2002-07-01), Durst et al.
patent: 6421608 (2002-07-01), Motoyama et al.
patent: 6433732 (2002-08-01), Dutta et al.
patent: 6441778 (2002-08-01), Durst et al.
patent: 6489921 (2002-12-01), Wilkinson
patent: 6509867 (2003-01-01), McGibney
patent: 6510380 (2003-01-01), Curatolo et al.
patent: 6510381 (2003-01-01), Grounds et al.
patent: 6519530 (2003-02-01), Crockett et al.
patent: 6529142 (2003-03-01), Yeh et al.
patent: 6542114 (2003-04-01), Eagleson et al.
patent: 6545606 (2003-04-01), Piri et al.
patent: 6570532 (2003-05-01), Mise et al.
patent: 6573832 (2003-06-01), Fugere-Ramirez
patent: 6573833 (2003-06-01), Rosenthal
patent: 6577275 (2003-06-01), Turner
patent: 6580368 (2003-06-01), Jacobs
patent: 6581000 (2003-06-01), Hills et al.
patent: 6590534 (2003-07-01), Kroll et al.
patent: 6738712 (2004-05-01), Hildebrant
patent: 6788199 (2004-09-01), Crabtree et al.
patent: 6828907 (2004-12-01), Galle
patent: 2001/0026240 (2001-10-01), Neher
patent: 2001/0045894 (2001-11-01), Slavin 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

Direction finder and locator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Direction finder and locator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Direction finder and locator will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3662647

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