公开(公告)号：EP3266081A1

公开(公告)日：2018-01-10

申请号：EP16759211.2

申请日：2016-02-25

申请人： Profoto AB

发明人： FALK, Anton ,  CARLSSON, Ulf ,  GRUBBSTRÖM, Carl Johan

IPC分类号： H01T1/22 ,  G03B15/05 ,  H01T1/20 ,  H01T1/24 ,  H05B41/32

CPC分类号： G03B15/05 ,  G03B2215/0575 ,  G03B2215/0578 ,  H01J1/30 ,  H01J11/28 ,  H01J61/0672 ,  H01J61/547 ,  H01J61/90 ,  H01T1/22 ,  H01T1/24 ,  H05B41/32

摘要： Flash tubes for photographic use, in particular a flash tube is adapted to provide a light output adapted to FP-sync, Flat Peak. The flash tube includes a length of glass tubing enclosing a gas for use in the flash tube, a cathode inside a first end part of glass tubing and an anode inside a second end part of glass tubing. The cathode includes an element that helps to ionize the gas that is wound around the cathode, such that a spark stream starts from the upper part of the cathode and is prevented from spreading down wards on the cathode and changing the arc length during the light output adapted to FP-sync.

公开(公告)号：EP2893780A4

公开(公告)日：2016-06-08

申请号：EP13835555

申请日：2013-09-06

申请人： PROFOTO AB

发明人： FALK ANTON ,  CARLSSON ULF

IPC分类号： H05B41/32 ,  G03B15/05 ,  H05B41/30

CPC分类号： H05B41/30 ,  G03B15/05 ,  G03B2215/05 ,  H05B41/32

摘要： A generator for a flash device includes at least a first capacitor bank, which includes at least one capacitor of a first type and at least a second capacitor bank, which includes at least one capacitor of a second type. The first capacitor bank is connectable to a charger via a first switch and the second capacitor bank is connectable to a charger via a second switch. The generator is configured to individually control the first switch and the second switch so that the first capacitor bank and the second capacitor bank can be individually charged to the same or different voltages. Since the first capacitor bank and the second capacitor bank can be simultaneously discharged, it is possible to achieve a desired energy level and color temperature from a flash device connected to the generator.

公开(公告)号：EP2732333A4

公开(公告)日：2015-02-18

申请号：EP12811908

申请日：2012-05-03

申请人： PROFOTO AB

发明人： FALK ANTON ,  CARLSSON ULF

IPC分类号： G03B15/05 ,  H01J61/54 ,  H01J61/90 ,  H05B41/32

CPC分类号： H01J11/28 ,  G03B15/05 ,  G03B2215/0575 ,  G03B2215/0578 ,  H01J61/547 ,  H01J61/90 ,  H05B41/32

公开(公告)号：EP2022296B1

公开(公告)日：2012-06-13

申请号：EP07755443.4

申请日：2007-04-13

申请人： XENON CORPORATION

发明人： TIPTON, Frederick, James

IPC分类号： H05B41/34 ,  H05B41/30 ,  H05B41/32 ,  H05B41/19

CPC分类号： H05B41/34 ,  H05B41/19 ,  H05B41/30 ,  H05B41/32 ,  Y10S315/05

摘要： A gas discharge lamp has a gas and has a cathode, an anode, and an ignition electrode. Individual discharges of a series of lamp discharges are spaced at least one millisecond from each other, and the individual discharges are generated by providing an electrical charge between the cathode and the anode and providing two or more electrical pulses to the ignition electrode. The second and following electrical pulses occur within a predetermined time of the first pulse. The electrical charge between the cathode and anode is of sufficient voltage and current to create an electrical arc between the cathode and the anode with the gas is ionized.

摘要翻译： 气体放电灯具有气体并具有阴极，阳极和点火电极。 一系列灯放电的单独放电彼此间隔至少1毫秒，并且通过在阴极和阳极之间提供电荷并向点火电极提供两个或更多个电脉冲而产生单独的放电。 第二个和随后的电脉冲在第一个脉冲的预定时间内发生。 阴极和阳极之间的电荷具有足够的电压和电流以在阴极和阳极之间产生电弧，并使气体离子化。

公开(公告)号：EP1772664B1

公开(公告)日：2009-12-09

申请号：EP06121751.9

申请日：2006-10-04

申请人： Black & Decker, Inc.

发明人： Hilt, Scott ,  Mealy, Bradley Jon ,  Carrier, David A ,  Seman Jr, Andrew E

IPC分类号： F21L4/06 ,  F21V23/00

CPC分类号： H05B41/32 ,  F21L4/00 ,  F21L4/06 ,  F21V21/32 ,  F21V21/406 ,  F21V23/00 ,  F21V23/0414 ,  H02J7/0042 ,  Y10S362/802

公开(公告)号：EP1624734A2

公开(公告)日：2006-02-08

申请号：EP05022202.5

申请日：2002-04-30

申请人： FUJI PHOTO FILM CO., LTD.

发明人： Katsura, Hirofumi ,  Imamaura, Takashi

IPC分类号： H05B41/32

CPC分类号： H05B41/325 ,  H05B41/32 ,  H05K1/141

摘要： A lens-fitted photo film unit is pre-loaded with photo film (23), and is a flash built-in type. A booster circuit (46, 47) boosts power source voltage to obtain high voltage. A main capacitor (40) stores charge at the high voltage. A flash discharge tube (41) is connected with the main capacitor, and emits flash light by discharge at the high voltage. A trigger circuit (51, 53) triggers the discharge of the flash discharge tube in response to an exposing operation. A main circuit board (17a) has the booster circuit and the trigger circuit mounted thereon. A subsidiary circuit board (17b) is connected with the main circuit board, and has a flash quenching circuit (49) mounted thereon. The flash quenching circuit operates in an auxiliary manner, and automatically adjusts the amount of the flash light.

公开(公告)号：EP0984320B1

公开(公告)日：2004-10-27

申请号：EP99117140.6

申请日：1999-08-31

申请人： CANON KABUSHIKI KAISHA

发明人： Fukui, Hajime, c/o Canon Kabushiki Kaisha

IPC分类号： G03B17/38 ,  G03B15/05 ,  H05B41/32

CPC分类号： G03B15/05 ,  G03B17/38 ,  G03B2215/05 ,  H05B41/32

公开(公告)号：EP1441252A1

公开(公告)日：2004-07-28

申请号：EP02785965.1

申请日：2002-11-28

申请人： West Electric Co., Ltd.

发明人： INA, Hirohiko ,  SAKAMOTO, Arata ,  UNO, Shohei ,  MAKI, Toshinori ,  HORINISHI, Katsumi ,  FURUTSUKA, Naoyuki ,  MITSUI, Hajime ,  NAKAGAWA, Kazue ,  ISHIKAWA, Katsuji ,  OGURA, Hisashi ,  FUKE, Mitsuo ,  KAWABATA, Katsunori ,  UMEHARA, Takashi ,  SUMISAKI, Katsushi

IPC分类号： G03B15/05

CPC分类号： H05B41/32 ,  G03B15/05 ,  G03B2215/0517 ,  G03B2215/0535 ,  H05B41/30

摘要： The electronic flash unit disclosed comprises: a transformer (14) to vary voltages of a power supply; an accumulator (16) composed of a main capacitor (17) to charge an electric energy supplied from the transformer (14); a lamp unit (4) provided with a flashlamp (20), set inside of a reflector (19), that flashes by discharging of energy storages in the main capacitor (17) upon applying a voltage on a trigger terminal (21); and a trigger circuit (10) to generate the voltage to apply on the trigger terminal (21), wherein at least the lamp unit (4) is coated with an insulation material.

摘要翻译： 所公开的电子闪光单元包括：变压器（14），用于改变电源的电压; 由主电容器（17）组成的蓄电池（16），用于对从变压器（14）供应的电能进行充电; 在反射器（19）内部设置有闪光灯（20）的灯单元（4），该闪光灯通过在触发端子（21）上施加电压而释放主电容器（17）中的能量储存器而闪烁。 和触发电路（10），用于产生施加在触发端子（21）上的电压，其中至少灯单元（4）涂覆有绝缘材料。

公开(公告)号：EP0219999B1

公开(公告)日：1991-12-11

申请号：EP86307576.8

申请日：1986-10-01

申请人： LUCAS INDUSTRIES public limited company

发明人： Walker, Michael John

IPC分类号： H05B41/34

CPC分类号： H05B41/32

公开(公告)号：EP0372977A3

公开(公告)日：1991-10-23

申请号：EP89312797.7

申请日：1989-12-08

申请人： NIKON CORPORATION

发明人： Hagiuda, Nobuyoshi ,  Matsui, Hideki ,  Yokonuma, Norikazu ,  Iida, Yoshikazu ,  Sakamoto, Hiroshi

IPC分类号： H05B41/32

CPC分类号： H05B41/32

摘要： An electronic flash apparatus which utilizes a voltage-controlled switching device as a switching device controlling start and termination of flash emission from a flash discharge tube. A first switching device is charged through a power supply line and releases a voltage in response to a flash emission start command. A clamping circuit clamps the output voltage from the first switching device at a designated voltage and energizes the designated voltage to a control terminal of the voltage-controlled switching device. The voltage-­controlled switching device conducts a discharge current to the flash discharge tube.