RE: Elektronický kompas

[Lubor Otta]

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Jestli ti to pomuze vim jak se delaly merice magnetickeho pole za =
komance, ovsem merilo to intenzitu, ne smer.
nekolik permaloyovych plechu se vystavilo buzeni magnetickym polem =
(sinusovym)  tesne na mez nasycovani magnetizacni krivky. Druhym vinutim =
se snimala odezva, zde se synchroni detekzi zkoumala 2. harmonicka, =
ktera zhruba odpovidala pusobeni vnejsiho statickeho magnetickeho pole.
Merak smeru by mohl vypadat jako permaloovy disk, opatreny trifazovym =
vinutim...

A jeste vim jak se da velice presne merit zemske magneticke pole, ale =
musi byt homogeni. Je to jedna z metod geofyizikalniho pruzkumu, a k =
mereni se pouziva kyveta s vodou a presne ukaz jaderne magneticke =
rezonance v jadre (protonu) vodiku.
Ahoj Lubor


----------
Od:	Jiri Reich
Odesl=E1no: 	14. =F8=EDjna 2000 13:35
Komu:	Multiple recipients of list
P=F8edm=ECt: 	Re: Elektronick=FD kompas

Preji dobry den
Delal jsem nejake pokusy s touto soucastkou a vysledek je, ze jiz vim =
kudy
cesta nevede :-))
Jara Cimrman by mel radost. Nepodarilo se mi sehnat nejakou rozumnou
dokumentaci
a tak jsem si musil vystacit s udaji z datasheetu. Jsou tam nejake
nastavovaci civky,
kterymi se pravdepodobne urcuje pracovni bod toho halova mustku.
Predpokladam,
ze nejakymi inpulsy se to budi a odezva mezi jednotlivimi pulsy se asi =
bude
menit podle
polohy soucstky vzhledem k mag. poli zeme. Samotneho by mne tahle
problematika zajimala
ale jiz se zacinam smirovat se skutecnosti, ze budu nucen koupit jiz =
hotovy
modul.
V nedavne minulosti se tyto moduly prodavaly pouze v USA, dnes je jiz =
mozno
je sehnat
i SRN. napriklad na teto adrese: =
http://www.sander-electronic.de/bae1017.htm
Jen ta cena mi stale vyrazi dech. V USA byly pred rokem k dostani za cca
50$.

Zkusim se zastavit v FK technics, az budu mit cestu do Prahy, snad tam =
ten
modul kompasu
budou mit a ukazi mi ho. Mozna ze by slo z nej nejak vytahnout nejaky
uzitecny signal.

Pokud by nekdo mel k teto problematice nejake dalsi informace rad se =
poucim.
S pozdravem
Jiri Reich
jreich@top.cz
jreich@mymail.cz  (s upozornenim na mobil; with notice to mobile phone)
00420606357656@sms.eurotel.cz (mail to mobile phone max 120 characters)
mob.phone: +420606357656
www.top.cz/jreich


----- Original Message -----
From: "SSOU Vodochody s.r.o." <ssouvodochody@mbox.vol.cz>
To: "Multiple recipients of list" <hw-news@list.gin.cz>
Sent: Friday, October 13, 2000 4:59 PM
Subject: Elektronick=FD kompas


> V poslednim katalogu CONRAD jsem zahlid elektronicky kompas s =
displejem.
> Hned nad nim je samostatny snimac magnetickeho pole, ktery by se podle
> popisu mel dat pouzit ve stejne aplikaci (dost mozna v tom kompasu i =
je).
> Vedel by nekdo, jak se tato soucastka pouziva ? Myslim tim, jak by se =
dala
v
> pouziti jako elektronicky kompas pripojit dejme tomu k jednocipu kvuli
> zaznamu smeru pohybu ?
>
> VW


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