Title:
LOBBY INTERPHONE WITH CAMERA
Document Type and Number:
Japanese Patent JP3156163
Kind Code:
B2
Abstract:
PURPOSE: To provide the lobby interphone with a camera in which dew condensation caused in a gap formed between an inner box accommodating a camera block and a light guide window of a decoration panel is prevented, excellent corrosion proof is attained and a sharp video image is displayed.
CONSTITUTION: In the lobby interphone with a camera where a surrounding wall 5c projecting toward the rear side is provided in a flange 5b and an inner box 5 in which a camera block 6 is accommodated in the inside of the surrounding wall 5c while a camera lens 6a is directed to a light guide window 1b formed to the decoration panel 1 is mounted onto a rear side of the decoration panel 1, air duct holes 1e, 5e are formed to the upper part of the decoration panel 1 and a flange 5b of the inner box 5 and a gap is formed between a camera lens 6a of the camera block 6 and the decoration panel 1 and an air duct use notch hole 5g is formed to a raise part 5 formed to the front side of the inner box 5.
Inventors:
Hideo Togawa
Toshiro Tabuse
Toshiro Tabuse
Application Number:
JP27455791A
Publication Date:
April 16, 2001
Filing Date:
September 25, 1991
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
H04M1/02; H04N5/225; H04N7/18; (IPC1-7): H04N5/225; H04M1/02; H04N7/18
Domestic Patent References:
| JP5648763A | ||||
| JP386656U | ||||
| JP439788U |
Attorney, Agent or Firm:
Hiroyuki Nakai