# US 12,010,410 B2 · Monitoring camera

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- Number: US 12,010,410 B2
- Document ID: US12010410B2
- Status: Granted
- Kind: B2
- Application number: 17/955,028
- Filed: 2022-09-28
- Published: 2023-04-13
- Granted: 2024-06-11
- Earliest claimed: 2021-10-13
- Assignees: I-Pro Co., Ltd.
- Applicants: i-PRO Co., Ltd.
- Inventors: Akito Omata; Hirokazu Tasaka; Satoshi Kataoka
- Web page: https://patentgrep.com/patent/US12010410B2

## CPC

- H04N 23/51: Housings
- H04N 23/52: Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
- G03B 17/08: Waterproof bodies or housings
- H04N 7/18: Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N 7/181: {for receiving images from a plurality of remote sources}
- H04N 23/695: Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
- H04N 23/90: Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)

## Abstract

A monitoring camera includes a plurality of camera units mounted in a circumferential direction of a device body, and a dome cover assembly including a dome cover collectively covering the plurality of camera units. The dome cover includes a water droplet guide surface continuous with an R surface and tilted downward as approaching an axis of the dome cover, and a water droplet receiving portion continuous with the water droplet guide surface. The camera unit includes a camera rotating a lens center axis on the virtual plane about a tilt rotation center in a direction perpendicular to the virtual plane. The water droplet receiving portion is provided outside of a field angle boundary of a field angle of the camera close to the axis in a state where the camera is tilted toward the axis side at a maximum tilt angle.

## Claims

### Claim 1

A monitoring camera comprising:
a plurality of camera units that are mounted in a circumferential direction of a device body attached substantially parallel to a ceiling surface; and
a dome cover assembly that includes a dome cover collectively covering the plurality of camera units and that is attached to the device body, wherein
the dome cover is formed, on a virtual plane including an axis of the dome cover and parallel to the axis, with a water droplet guide surface continuous with an R surface and tilted downward when approaching the axis, and a water droplet receiving portion continuous with the water droplet guide surface,
each of the plurality of camera units includes a camera that rotates a lens center axis on the virtual plane about a tilt rotation center in a direction perpendicular to the virtual plane, and
in a state where the camera is tilted toward the axis at a maximum tilt angle, the water droplet receiving portion is provided outside of a field angle boundary of a field angle of the camera close to the axis.

### Claim 2 (depends on 1)

The monitoring camera according to claim 1, wherein
the dome cover includes a circular recessed portion recessed in a direction approaching the ceiling surface and coaxially formed around the axis, and
the water droplet receiving portion is provided in an annular shape in a radially outer side of the circular recessed portion.

### Claim 3 (depends on 1)

The monitoring camera according to claim 1, wherein
the water droplet receiving portion is shared by the plurality of cameras.

### Claim 4 (depends on 1)

The monitoring camera according to claim 1, wherein
an included angle between the water droplet guide surface and a horizontal plane is in a range of 1° to 10°.

### Claim 5 (depends on 1)

The monitoring camera according to claim 1, wherein
a radial width of the water droplet receiving portion is 10 mm or more.