Fittings, Fixtures And Services 3(1+2)

Lesson 07 : Safety fittings-locking system and remote control


A camera generally consists of an enclosed hollow with an opening (aperture) at one end for flight to enter, and a recording or viewing surface for capturing the light at the other end.

  1. Hidden cameras
    A hidden camera is a still or video camera used to film people without their knowledge. Hidden cameras have hbecome popular for household surveillance, and can be built into common household objects such as smoke detectors, clock radios, motion detectors, ball caps, plants, and cell phones. Hidden cameras may also be used commercially or industrially as security cameras. A hidden camera can be wired or wireless. The former will be connected to a TV, VCR, or DVR, whereas a wireless hidden camera can be used to transmit a video signal to a receiver within a small radius (up to a few hundred feet).

  2. Digital spy camera
    Spy cameras are an important component of covert surveillance system and areg widely popular among private detectives etc.The most important feature of this camera is that it can be hidden from the public eyes. These cameras can be camouflaged in the guise of pen, clock, watch, book, sunglasses, and a number of other common household items
Last modified: Saturday, 11 February 2012, 11:06 AM