公开(公告)号：US20170311428A1

公开(公告)日：2017-10-26

申请号：US15500507

申请日：2015-10-26

Applicant: PROFOTO AB

Inventor： Anton Falk ,  Michael Sundkvist

IPC: H05B41/30 ,  G03B7/17 ,  G03B15/05 ,  H05B41/38

CPC classification number: H05B41/30 ,  G03B7/17 ,  G03B15/05 ,  H05B41/38

Abstract: The present disclosure relates to a flash generator for providing power supply to a flash tube so that the flash tube rapidly provides a light output adapted to FP-sync, Flat Peak. The flash generator comprises a capacitor bank, an output and a switch configured to switch a current flow from the capacitor bank via the output to provide a variable power via the output. The flash generator further comprises a controller for controlling the switch, whereby by controlling the on time of the switch, the generator is operative to provide, during a time period of 100 to 2000 μs during a peak time period within the time period, an average power at least 4 times higher than the average power provided during the other time period within the time period, whereby the flash tube during the peak time period becomes fully ignited.

公开(公告)号：US10785835B2

公开(公告)日：2020-09-22

申请号：US16504181

申请日：2019-07-05

Applicant: PROFOTO AB

Inventor： Anton Falk ,  Michael Sundkvist

IPC: H05B41/30 ,  G03B15/05 ,  G03B7/17 ,  H05B41/38

Abstract: The present disclosure relates to a flash generator for providing power supply to a flash tube so that the flash tube rapidly provides a light output adapted to FP-sync, Flat Peak. The flash generator comprises a capacitor bank, an output and a switch configured to switch a current flow from the capacitor bank via the output to provide a variable power via the output. The flash generator further comprises a controller for controlling the switch, whereby by controlling the on time of the switch, the generator is operative to provide, during a time period of 100 to 2000 μs during a peak time period within the time period, an average power at least 4 times higher than the average power provided during the other time period within the time period, whereby the flash tube during the peak time period becomes fully ignited.

公开(公告)号：US20200008286A1

公开(公告)日：2020-01-02

申请号：US16504181

申请日：2019-07-05

Applicant: PROFOTO AB

Inventor： Anton Falk ,  Michael Sundkvist

IPC: H05B41/30 ,  G03B7/17 ,  G03B15/05 ,  H05B41/38

Abstract: The present disclosure relates to a flash generator for providing power supply to a flash tube so that the flash tube rapidly provides a light output adapted to FP-sync, Flat Peak. The flash generator comprises a capacitor bank, an output and a switch configured to switch a current flow from the capacitor bank via the output to provide a variable power via the output. The flash generator further comprises a controller for controlling the switch, whereby by controlling the on time of the switch, the generator is operative to provide, during a time period of 100 to 2000 μs during a peak time period within the time period, an average power at least 4 times higher than the average power provided during the other time period within the time period, whereby the flash tube during the peak time period becomes fully ignited.

公开(公告)号：US10349504B2

公开(公告)日：2019-07-09

申请号：US15500507

申请日：2015-10-26

Applicant: PROFOTO AB

Inventor： Anton Falk ,  Michael Sundkvist

IPC: G03B7/17 ,  H05B41/30 ,  G03B15/05 ,  H05B41/38

Abstract: The present disclosure relates to a flash generator for providing power supply to a flash tube so that the flash tube rapidly provides a light output adapted to FP-sync, Flat Peak. The flash generator comprises a capacitor bank, an output and a switch configured to switch a current flow from the capacitor bank via the output to provide a variable power via the output. The flash generator further comprises a controller for controlling the switch, whereby by controlling the on time of the switch, the generator is operative to provide, during a time period of 100 to 2000 μs during a peak time period within the time period, an average power at least 4 times higher than the average power provided during the other time period within the time period, whereby the flash tube during the peak time period becomes fully ignited.

公开(公告)号：US20210251057A1

公开(公告)日：2021-08-12

申请号：US17025906

申请日：2020-09-18

Applicant: PROFOTO AB

Inventor： Anton Falk ,  Michael Sundkvist

IPC: H05B41/30 ,  G03B7/17 ,  G03B15/05 ,  H05B41/38

Abstract: The present disclosure relates to a flash generator for providing power supply to a flash tube so that the flash tube rapidly provides a light output adapted to FP-sync, Flat Peak. The flash generator comprises a capacitor bank, an output and a switch configured to switch a current flow from the capacitor bank via the output to provide a variable power via the output. The flash generator further comprises a controller for controlling the switch, whereby by controlling the on time of the switch, the generator is operative to provide, during a time period of 100 to 2000 μs during a peak time period within the time period, an average power at least 4 times higher than the average power provided during the other time period within the time period, whereby the flash tube during the peak time period becomes fully ignited.