What are the different types of hidden cameras?

The camera has a wide range of uses and is suitable for aviation, commerce, media, enterprises and institutions, households and other industries. The emergence of miniature cameras brings convenience to people's lives, and at the same time, some phenomena related to corporate secrets and personal privacy also arise. What types of surveillance cameras are there? According to different installation areas, it can be divided into indoor and outdoor; according to different transmission signals, it can be divided into analog and digital; according to different illuminance, it can be divided into pure color, low illuminance, ultra-low illuminance, and starlight; according to different types of fill light It can be divided into white light, infrared and laser; according to different image quality, it can be divided into standard definition and high definition; according to different imaging principles, it can be divided into active imaging and thermal imaging; according to different appearance, WiFi network it can be divided into pinhole, hemisphere, bolt, Dome camera, integrated gimbal, Mini DV CCTV Camera let's take a look at the types of micro surveillance cameras, shall we?

1. Pinhole type
In fact, what people usually call a pinhole camera does not use a pinhole lens. Pinhole lens refers to a lens that uses the principle of small hole imaging to obtain images. It is inexpensive and simple in principle, but its fatal weakness is that too little light passes through the small hole, resulting in too long exposure time. Taking photos with a pinhole lens in sunlight can take anywhere from a few minutes to a dozen minutes, especially when shooting at night with exposure times of up to several hours. Obviously, for a camera that shoots dozens to dozens of frames per second, it cannot meet the requirements. Pinhole lenses cannot be applied to cameras, so there is no "pinhole" camera in the strict sense. As is customary, a miniature camera using a fisheye lens, a flat lens or a conical lens is called a pinhole camera.

According to the lens, the lens of the pinhole camera can be divided into three types: fisheye lens, flat lens and conical lens; according to the photosensitive element used, it can be divided into charge coupled device (CCD) and complementary Complementary Metal-Oxide Semiconductor (CMOS); and according to the data transmission method, it can be divided into two categories: wireless cameras and wired cameras.

2. Wireless
The wireless device is used stably in the domestic wireless environment. Micro wireless surveillance camera features high stability, high speed, long distance, and multi-point testing. It can play a huge role in the fields of environment, energy, construction, transportation, medical treatment, industrial machine condition monitoring, etc., especially when the wiring is complex, the wiring cost is high, the long-distance and large-scale data transmission and mobility requirements are high. obvious.

3. Appearance classification
1. Indoor device shape: such as speakers, sockets, chargers, lamps, picture frames. The miniature cameras are cleverly placed in these objects, so as to achieve the purpose of monitoring the home environment and protecting the personal and property safety of the home.

Micro camera 2

Micro camera 2

2. Personal accessories: watches, glasses, ties, lighters, badges. The camera is made into the shape of an ornament, which can easily conduct unannounced interviews and recordings.

3. Shape of daily necessities: tissue boxes, beverage cans, car keys, light switches, power strips, alarm clocks, flashlights. Cameras of this shape can be freely placed in the position to be monitored for monitoring.