Title:
放電管、その製造方法、及びそれを用いたストロボ装置ならびにカメラ
Document Type and Number:
Japanese Patent JP3977259
Kind Code:
B2
Abstract:
An electric discharge tube withstands a large electric input, and has a small size. This discharge tube provides a small photographic strobe device and a small photographic camera. The discharge tube includes a glass bulb having a wall thickness ranging from 0.2 to 0.6mm and filled with rare gas, a pair of main electrodes provided at both ends of the glass bulb, respectively, a trigger electrode formed on the outer surface of the glass bulb, and a film of silicon dioxide having a thickness ranging from 0.05 to 0.11 mu m formed inside of the glass bulb. An electric power not larger than 0.90Ws/mm<3> with respect to the inner volume of the glass bulb is applied between the main electrodes.
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| JPS5899765 | 【考案の名称】金属蒸気放電灯 |
| JPS63190246 | RARE GAS DISCHARGE LAMP |
Inventors:
Hiroshi Saiki
Bunji Omura
Tsutomu Takahashi
Bunji Omura
Tsutomu Takahashi
Application Number:
JP2002566521A
Publication Date:
September 19, 2007
Filing Date:
February 18, 2002
Export Citation:
Assignee:
Panasonic Photo Writing Co., Ltd.
International Classes:
H01J61/54; H01J9/20; H01J9/24; H01J9/32; H01J61/073; H01J61/30; H01J61/33; H01J61/35; H01J61/80; H01J61/82
Domestic Patent References:
| JP2000171864A | ||||
| JP57138772A | ||||
| JP59167947A | ||||
| JP3051801A | ||||
| JP11120957A | ||||
| JP9102298A | ||||
| JP62206761A | ||||
| JP2000123789A | ||||
| JP8106881A | ||||
| JP5036350A | ||||
| JP62029050A | ||||
| JP7021991A | ||||
| JP9199084A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano