ATO อีกหนึ่งตำนานนาฬิกาโบราณที่ถูกลืม...

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ประวัติของนาฬิกาโบราณกลไกแบบนี้น่าสนใจมากๆๆ ครับ
คร่าวๆ ว่ากลไกแบบนี้จะใช้กระแสไฟฟ้าสร้างสนามแม่เหล็กให้ลูกตุ้มแกว่งเคลื่อนไปขยับเฟือง
แต่ก็ยังแบ่งได้เป็นย่อยๆ อีกหลายชนิดนะครับ
เผอิญผมไปค้นเจอเว็บที่ให้ข้อมูลไว้ดีมากๆๆๆๆๆๆ ขออนุญาตเอามาลงบางส่วนนะครับ
ไปชมแบบเต็มๆ ได้ที่นี่เลยครับ Source: http://www.lothar-frerking.de/en/index.htm

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The history of the development of the ATO clock.


ที่มา: http://mb.nawcc.org/showthread.php?87812-Leon-Hatot-and-or-Marius-Lavet

ผู้คิดค้นนาย Léon Hatot(22.04.1883 - 11.09.1953) ชาวฝรั่งเศส

1895 - 1898	Pupil at the Ècole d'Horlogerie de Besancon and the Ècole des Beaux Art.
1905	Specialisation in the artistic engraving of clocks and jewellery and cases and mechanisms made from precious metals. He employed twelve people in his workshop.
1911	Moved to Paris and became a member of the "Circle of Master Engravers" Expansion towards leading jewellery manufacturer in France. Supply of his products worldwide to famous jewellers and clockmakers.
1914	Manufacture of armament industry, for instance artillery
1919	Resumption of production of luxury clocks and jewellery. Co-operation with Marius Lavet, a talented engineer who had already been a leading participator in the development of the Bulle clock. The start of the manufacture of the electric clock.
1920	Start of the production of the electric clock with the name ATO. Earlier, Lavet had worked together with Favre-Bulle on the development of the Bulle clock. Because of his earlier artistic activities, Hatot was able to further develop the ATO clock and research the subject of electric clocks. Edouard Dietsch became the director of his firm. The production of the "ATO Radiola" together with Marius Lavet. The principle of the radio-controlled clock was taken over by the firm of Junghans for their production of the DCF77 in 1980.
1922	Marius Lavet became the director of des Etablissments Léon Hatot.
1923	On the 26.09.1923, the Patent number 583331 was applied for in France for the ATO principle. There were 2 basic sizes of the ATO clocks produced. The ½ and ¼ second pendulum.
1924	ATO produced 4 different models
1925	In a special research department, a vast varietyof the ATO clock were designed following plans from Leon Hatot.
1926	13 different models of the Ato clock were on offer. รูปจากนสพ. ฝรั่งเศส

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1929	Now over 50 models of the Ato clock were on the market. Delivery to the French railway SNCF of the Ato ½ second pendulum clock, they were highly accepted because of their excellent performance. During the world wide economic slump, Hatot was forced to cooperate with Junghans in Schramberg. The Production and introduction of the first automatic clock called “Rolls”. This patent was sold to Blancpainp
1928 - 1930	Built under the licence from ATO clocks by the Hamburg American Clock Company HAU. Junghans worked closely with HAU and other clock manu- facturers in a so called interest group.
1930	Takeover of HAU by Junghans , leading to worldwide sales of the ATO clocks until about 1962.

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1938	Takeover of the firm Paul Garnier.
1939	Closing of the jewellery branch of the firm. During the war the existing jewellery was stored in a Swiss bank. Not until 1989 were these pieces auctioned in a very remarkable auction and reached extremely high prices. Today these pieces are sought after and are only secretly handled by a few jewelers.
1940	Closure of the clock production due to the German occupation. Take over of the maintenance of SNCF clock systems.
1949	Lavet experiments with the deployment of transistor as replacement for the mechanical contact of the ATO clock.
1953	Lavet and Dietsch get the patent for the transistor controlled pendulum clock with the name ATO.
1967	Takeover of the electrical clock branch of the firm of Lepaute. Decline in the production of the electrical pendulum clock because of the development of the quartz clock. Firms that produced ATO clocks : Establishment Hatot

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<a href="http://www.youtube.com/v/I9kaApCLsBU?version=3&amp;amp;hl=en_US" target="_blank" class="new_win">http://www.youtube.com/v/I9kaApCLsBU?version=3&amp;amp;hl=en_US</a>

<a href="http://www.youtube.com/v/09pvTIFuUyI?version=3&amp;amp;hl=en_US" target="_blank" class="new_win">http://www.youtube.com/v/09pvTIFuUyI?version=3&amp;amp;hl=en_US</a>

ลิงค์นี้มีให้ชมเยอะเลยครับ http://www.youtube.com/user/robroythefirst/videos

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ลิงค์นี้มี Animation ของ ATO ชนิดต่างๆ ให้ชมครับ http://www.lothar-frerking.de/en/elektrische_uhren_en.htm

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