JP2002264770A - Secret photographing prevention device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a secret photographing prevention device for preventing secret photographing by an infrared camera from the outside of a vehicle such as an automobile by attaching it to the vicinity of a window glass and a number plate of the vehicle. SOLUTION: This secret photographing prevention device is provided with a platelike member formed by mixing a fluorescent material reacting to infrared ray into a material allowing seeing through when solidified and an infrared lamp causing halation inside the platelike member by projecting light toward the inside of the platelike member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-voyeur device which is attached to the vicinity of a window glass of a vehicle such as an automobile or a license plate to prevent an infrared camera from outside from taking a picture.

[0002]

2. Description of the Related Art In recent years, with the technical improvement of infrared cameras, it has become possible to take clear images even at night. Therefore, recently, the general public has increased the sales of celebrities who spend their private time at night and general people other than professional photographers who sell the photos to the weekly photo magazine. This is a major privacy breach for celebrities. Recently, infrared cameras have also been installed at the entrances and exits of fashion hotels, and car numbers and passengers are photographed at the entrances and exits,
It seems that the photo has been leaked through some route and abused.

[0003]

In fact, if the celebrity is a celebrity, the owner of the car can be identified from the license plate of the car, and after confirming the car with a telephoto infrared camera, approaching the car and using another infrared camera. It is considered that voyeurism is performed by taking a picture of the inside of the vehicle. However,
Since the use of a flash is not required for shooting with an infrared camera, the subject is stolen and leaked without any notice of the shooting of the subject.

[0004] On the other hand, there is no method for preventing actual voyeuring by an infrared camera while going out at night, particularly while riding in a car.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an anti-voyeur device which is attached to the vicinity of a window glass of a vehicle such as an automobile or a license plate to prevent an infrared camera from outside from outside the vehicle. The purpose is also to do.

[0006] The anti-voyeur device of the present invention comprises a plate-like member formed by mixing a material which is transparent when solidified and a fluorescent substance which reacts to infrared rays, and projects light toward the inside of the plate-like member. An infrared lamp that generates halation inside the plate-shaped member.

[0007] It is preferable that the anti-voyeur device further includes a power switch for the infrared lamp. Further, it is preferable that the voyeur prevention device includes a fixing mechanism for fixing the plate member to a sun visor portion of a vehicle. Furthermore, in the above-mentioned voyeur prevention device, it is preferable that the plate-like member is a license plate cover of a car.

In the anti-voyeur device according to the present invention, the plate-like member is formed by mixing a fluorescent material which reacts to infrared rays with a material which can be seen when the plate-like member is solidified. In addition to being visible, the blinking of the infrared lamp is invisible. Therefore, visually,
Because you do not notice the existence of the plate-shaped member, the photographer with the upper infrared camera mistakenly thinks that the photographing was successful, and it is greatly reduced that the photographer keeps taking photographs in the dark on the spot, that is, for the weekly magazine The probability that the best shot photograph is taken can be greatly reduced.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described. As shown in FIG. 1, the anti-voyeur device 1 according to this embodiment has a plate-like shape obtained by mixing a fluorescent material 2 that reacts to infrared rays with a resin material that can be seen when solidified, such as polycarbonate or acrylic. The plate includes a member 3 and an infrared lamp 4 that projects light toward the inside of the plate member 3 and generates halation inside the plate member.

As shown in FIGS. 2 and 3, the infrared lamp 4 is connected to a cigarette lighter plug 5 for connection to a cigarette lighter socket of a car which is a power source of the infrared lamp. Between the cigar lighter plug 5 and the infrared lamp 4, a switch 6 for turning on the infrared lamp 4 and a control circuit 7 for keeping the infrared lamp 4 in a lighting state are provided. Although only one infrared lamp 4 is shown in the drawings, a plurality of infrared lamps 4 are actually arranged and used, and a control circuit is provided so that infrared light is always projected toward the inside of the plate member. 7.

FIG. 2 is a diagram showing the power supply of the infrared lamp 4 of the present embodiment when it is turned off, and FIG. Further, in FIG. 3, although actually not visible, it occurs inside the plate member 3,
The halation between the phosphor 2 and the infrared light is schematically illustrated by a dotted line. Due to the occurrence of the halation, the plate-shaped member cannot be seen through the infrared camera, though it is transparent visually.

FIG. 4 is a diagram showing an operation state when the power of the infrared lamp 4 of the embodiment is turned on. As shown in the drawing, even if an attempt is made to photograph the person X on the opposite side of the plate member 3 with the infrared camera CAM, the photographing becomes impossible due to the occurrence of halation inside the plate member 3. As described above, it is possible to prevent the halation from being photographed by the infrared camera CAM although the halation is not visible.

Next, a first embodiment and a second embodiment using the above-described embodiment of the present invention will be described. As shown in FIG. 5, the first embodiment of the present invention is an example in which the plate member 3A is attached to a sun visor of a car, and the second embodiment of the present invention uses the plate member 3B as a car number plate cover. This is an example. Here, description will be given below assuming that these embodiments are used together.

As shown in FIG. 5, an infrared lamp portion 4A comprising a plurality of infrared lamps is provided above the plate-like member 3A.
Further, a fixing mechanism 9 for fixing the infrared lamp section 4A by sandwiching a sun visor (not shown) of the car is provided on the upper portion thereof.

Further, as shown in FIG.
An infrared lamp portion 4B composed of a plurality of infrared lamps is attached to the upper part of B, and a screw hole for fastening together with the license plate is provided in the plate-like member 3B. Further, these infrared lamp units 4
A and 4B are connected to a control unit 7 via a cable 8.

FIGS. 6 and 7 are schematic diagrams for explaining when the power of the infrared lamp section 4A according to the first embodiment of the present invention is turned off and when the power is turned on. As shown in FIG. 6, when a photograph is taken by the infrared camera when the power of the infrared lamp 4A is turned off, the face of the occupant on the far side of the plate member 3A in the figure can be directly photographed. However, as shown in FIG. 7, when a photograph is taken by the infrared camera when the power of the infrared lamp 4A is turned on, it is impossible to directly show the face of the occupant behind the plate-shaped member 3A in the figure. Becomes This is because halation occurs inside the plate member 3A.

FIGS. 8 and 9 are schematic diagrams for explaining when the power of the infrared lamp section 4B according to the second embodiment of the present invention is turned off and when the power is turned on. As shown in FIG. 8, when a photograph is taken with an infrared camera when the power of the infrared lamp 4B is turned off, the license plate on the far side of the plate member 3B in the figure can be directly photographed. However, as shown in FIG. 9, when a photograph is taken by the infrared camera when the power of the infrared lamp 4B is turned on, it is impossible to directly copy the license plate on the far side of the plate member 3B in the figure. . Because the plate-like member 3
This is because halation occurs inside B.

[0018]

As described above, the anti-voyeur device of the present invention is formed by mixing a fluorescent material which reacts to infrared rays with a material which can be seen when the plate member is solidified. Not only does the plate-like member appear transparent, but also the blinking of the infrared lamp is invisible. Therefore, visually, since the presence of the plate-shaped member is not noticed, the photographer with the upper infrared camera mistakenly thinks that the photographing was successful, and it is greatly reduced that the photographer continues to take a photograph in the dark on the spot, that is, In addition, the probability that the best shot photograph for a weekly magazine will be taken can be greatly reduced.

Further, by providing a power switch for the infrared lamp, it is possible to use the present voyeur apparatus only at the minimum required at the doorway of a hotel or at the time of parking or stopping at night, instead of always using the apparatus. Become.

Further, by fixing the plate-like member to the sun visor portion of the vehicle by the fixing mechanism to the voyeur prevention device, the face of the driver or the occupant in the passenger seat of the vehicle can be photographed by the infrared camera. Can be prevented.

Furthermore, the plate-like member of the above-mentioned voyeur prevention device is used as a license plate cover for a car,
It is possible to prevent the telephoto infrared camera from recognizing the car and reduce the possibility of privacy being violated by photographers attempting voyeurism.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an anti-voyeur device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a state in which an infrared lamp according to an embodiment of the present invention is turned off.

FIG. 3 is a diagram showing a state in which a power supply of an infrared lamp according to an embodiment of the present invention is turned on.

FIG. 4 is a diagram showing an operation state of the infrared lamp according to the embodiment of the present invention when the power is turned on.

FIG. 5 is an exploded perspective view of a first example in which the plate-like member of the embodiment of the present invention is attached to a sun visor portion and a second example in which the plate member is attached to a license plate.

FIG. 6 is a diagram showing a state in which an infrared lamp according to an embodiment of the present invention is turned off.

FIG. 7 is a diagram showing a state in which a power supply of an infrared lamp according to an embodiment of the present invention is turned on.

FIG. 8 is a diagram showing a state in which an infrared lamp according to an embodiment of the present invention is turned off.

FIG. 9 is a diagram showing a state in which a power supply of an infrared lamp according to an embodiment of the present invention is turned on.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Anti-camera device 2 Phosphor 3 Plate member 4 Infrared lamp 5 Cigar lighter plug 6 Switch 7 Control circuit

Claims (4)

[Claims] 1. A plate-like member formed by mixing a phosphor which reacts to infrared rays with a material which can be seen when solidified, and projecting light toward the inside of the plate-like member. An anti-voyeur device, comprising: an infrared lamp that generates halation. 2. The apparatus according to claim 1, further comprising a power switch for the infrared lamp. 3. The anti-voyeur device according to claim 2, further comprising a fixing mechanism for fixing the plate member to a sun visor of a car. 4. The anti-voyeur device according to claim 2, wherein the plate-like member is a license plate cover of a car.