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Izum mehaničke sat

Prvi koraci ka mehaničko mjerenje vremena dolaze iz klera. Redovnici morali znati točno vrijeme moliti. Prvi mehanički satovi su objaviti vrijeme, ne pokazati. Ovi satovi rade na bazi težine i imaju siguran vrijeme međuprostor i prekidača koji je pogodioGonga. U prethodnim stoljećima, napori kako bi se osiguralo da stara vremena sustava dao glas upozorenja nije dovelo do pozitivnog ishoda. Složeni mehanizmi su proizvodi koje pokazuju proteklog vremena bacanja male kamene čestice ili puše u zviždaljku.

 

Sunčani sat, vodeni sat i pješčani sat je cilj pokazuje vrijeme na različite načine. Mehanički sat ispuniti određene mehaničku funkciju u životu samostana, proizvesti zvukkroz čekić i na taj način odrediti specifične vremenske intervale. U to vrijeme, satovisu vjerovali da zvoni zvona. U engleskom, riječ 'sat' dolazi od latinskog clocca a znači zvono. Međutim, riječ onda počeli definirati sve satove. Mehanizam za mehaničke satove je Dođi i idi shemu koja drži i ostavlja uže ili lanac da težina visi na kratkim razmacima i zajednička karakteristika svih modernih satova. Dakle, kratko-trajni i spuštanje težine spasio sat mehanizam od vezanja duljine ili manje od dana. Najstariji tipovog mehanizma je poznat kao 'klin'. Metalni štap ugrađen s noktima i vodoravno do glave kretanje sa jednog na drugu u svaki ručke i osovina akceleracija kontrolira težinu pričvršćena na vanjskom kraju. Uređene. Kad težina je izvukao daleko, osciliranje ubrzava i usporava kada se približi. Dakle, bilo je u početku moguće utvrditi minuta i zatim sekundi.

 

Dizajn Giovanni di Dondi, jedan od najpoznatijih u mehaničkog sata, koja se sastojiod njihala i navojem klatno opremu da mehanizam težine rukovanje, i nema biranjapo satu. Sat sustava, koje odgovaraju noćnim satima dana, je 14. Stoljeća, mehaničke satove i dalje provoditi. Prvi put dijeli dan u jednakim sati je vrijeme Crkva SvetogGottard u Milanu. Sredinom stoljeća, kule od većih europskih gradova počeli mehaničkih satova i se sve više šire. Radnog vremena, rad s Dođi i idi shema, nastavio je 300 godina. Sa uvod od Peter Heinlein sat proljeće u Nürnbergu u u 1500 's, veliki utezi su moguće za prijenosni mali satovi. Tijekom prvih sati su bili bez kazaljki, nema Škorpioni, bez prsluka. Niske pismenosti stopa da se zvona u sat umjesto ljudi koji želevidjeti ono što će vidjeti. Dondi, koji koristi vrijeme poziva na prvo i 24-kriška sat u 1344, vizualno pokazati vrijeme. Još jedan veliki korak u razvoju sat je prisutnost klatno. Dok slušate svećenika u crkvi, da Oscilirajuća lampa na postolju je čvrst, Galileo otkrio da njihalo zavisi od dužine, ne težine ili širina perioda oscilacija. Galileo, koji je bio blizu smrti, dizajniran sat koji je radio sa klatno. Prvi rad klatna vrijeme je u 1656,14 godina nakon Galileove smrti, njemački astronom Christian Huygens je.

 

Huygens' sat je manje od minute prije dana. Ova osjetljivost je prvi put povećan zaHuygens' rad, smanjuje pogrešku na 10 sekundi dnevno. Prvi put uz prisustvo njihalo satova i sekunde su dodani. U sredinom 1670, Huygens' balansiranje razvoj omogućio prijenosni satovi postati pravi džepni sat. Prisutnost proljeće mehanizam je osigurao to vrijeme može se mjeriti s istom točnošću na kopnu i moru. Uz razvoj ravnoteže publikacije, sati skupljanje izvode se u džepu ili u ruku, prvi jeftini džepni proizvedene u SAD-u, a na ručni sat pojavili u 1890-ih godina. U početku, samo Satovi koježene koriste su prisutni među ljudima tijekom prvog svjetskog rata. Osjetljivost jedinica vremena je počela ispitivati s tih novih satova koji mjeri vrijeme na kopno i morekao ista. Što je duljina malo? Sa jednostavan izračun, 1/60 u drugoj minuti, 1/60 minuta sat i sat je jedan u 24, prosječan solarni dan je jedan tren u 86 400. 1820, vremenskim intervalima su standardizirani prema ovom računu.

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