Title:
Surveillance camera
Document Type and Number:
Japanese Patent JP6304666
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To move a pair of light-shielding plates in different directions and to perform opening/closing operation with a simple structure.SOLUTION: An imaging device comprises: a camera section 25 having a lens; a lens cover 41 having a light-receiving hole 47 being opened ahead of the lens and covering the camera section; a ring gear 57 surrounding the light-receiving hole 47, being attached to the lens cover 41 in a concentric circle, having a bevel gear 59, and rotatable with a center of the concentric circle as a center; and a pair of light-shielding plates 43 being attached to a cover external surface at an opposite side to the camera section 25 in a mutually approachable/separable manner with an optical axis interposed therebetween, individually having inclined racks 61 extending in a direction of approaching/separating, causing the individual inclined racks 61 to engage with both sides in a diameter direction of the ring gear 57, and opening/closing the light-receiving hole 47.SELECTED DRAWING: Figure 3
Inventors:
Joji Wada
Tatsuo Tanno
Tatsuo Tanno
Application Number:
JP2016152723A
Publication Date:
April 04, 2018
Filing Date:
August 03, 2016
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G03B11/04; G02B7/02; G03B15/00; G03B17/02; G03B17/56; H04N5/225
Domestic Patent References:
| JP3089428U | ||||
| JP2136237U | ||||
| JP61119139U | ||||
| JP2015011053A | ||||
| JP2015087737A | ||||
| JP2013222187A | ||||
| JP2014056155A | ||||
| JP2010151950A | ||||
| JP7264452A | ||||
| JP3184033A | ||||
| JP4287035A | ||||
| JP52117124A | ||||
| JP6230469A | ||||
| JP50017635A | ||||
| JP2004163934A | ||||
| JP2002202560A |
Foreign References:
| US20070274709 |
Attorney, Agent or Firm:
Patent business corporation glory patent office