Light emission device for imaging apparatus

Patent metadata

Field	Value
Publication number	US-9488366-B2
Application number	US-201313791438-A
Country	US
Kind code	B2
Filing date	Mar 8, 2013
Priority date	Mar 13, 2012
Publication date	Nov 8, 2016
Grant date	Nov 8, 2016

Abstract

A light emission device attachable and detachable to and from an imaging apparatus, includes: a light emission portion; a storage portion for accommodating a battery which supplies electric power to cause the light emission portion to emit light; and a capacitor which accumulates electrical energy to cause the light emission portion to emit light using the power supplied from the battery, wherein the storage portion is arranged such that the longitudinal direction of the battery accommodated in the storage portion is substantially perpendicular to the longitudinal direction of the light emission portion, the capacitor is arranged such that the longitudinal direction of the capacitor is substantially perpendicular to the longitudinal direction of the light emission portion, and the storage portion and the capacitor are arranged side by side in the longitudinal direction of the light emission portion.

First claim

What is claimed is:

1. A light emission device attachable and detachable to and from an imaging apparatus, comprising:
a light emission portion;
a storage portion for accommodating a battery supplying electric power for causing the light emission portion to emit light;
a cover portion for opening and closing the storage portion;
a connection portion electrically connected to a terminal portion of the imaging apparatus to which the light emission device is attached; and
a contact portion electrically connected to the battery accommodated in the storage portion when the cover portion is closed,
wherein the storage portion is arranged such that one end of the battery accommodated in the storage portion in a longitudinal direction is further away from a plane including a surface of the connection portion facing the terminal portion of the imaging apparatus to which the light emission device is attached than the other end of the battery in the longitudinal direction,
wherein the cover portion and the storage portion are arranged side by side in the longitudinal direction of the battery accommodated in the storage portion,
wherein the cover portion opens and closes the storage portion by rotating around a rotation shaft substantially perpendicular to the surface of the connection portion facing the terminal portion, and
wherein the contact portion is provided on a surface which is inclined to the rotation shaft by an angle substantially the same as an inclination angle of the storage portion to the surface of the connection portion facing the terminal portion.

2. The light emission device according to claim 1 ,
wherein the surface on which the contact portion is provided is substantially perpendicular to the longitudinal direction of the battery accommodated in the storage portion when the cover portion is closed.

3. The light emission device according to claim 1 , wherein the cover portion has a claw portion configured to lock the cover portion in the closed state by fit-engaging with a claw receiving portion provided in the vicinity of an opening of the storage portion, and
wherein the claw portion is placed in a state in which it is fit-engaged with the claw receiving portion or in a state in which it is disengaged from the claw receiving portion by moving the cover portion in a direction perpendicular to the rotation shaft.

4. The light emission device according to claim 1 , further comprising:
an elastic member configured to apply a force to the battery accommodated in the storage portion in a direction inclined to the surface of the connection portion facing the terminal portion.

Assignees

• Canon Kk

Inventors

• Yano Hiroshi

Classifications

• G03B15/05 Primary

  Combinations of cameras with electronic flash apparatus; Electronic flash units · CPC title

• G03B2217/007

  Details of energy supply or management · CPC title

• F21V33/0052 Primary

  Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor · CPC title

• G03B2215/0517

  Housing · CPC title