CCTV Camera Abstract Monitoring apparatus and method for a CCTV monitoring camera, whereby an operation of a zoom lens and upward, downward, left and right rotating operations of the monitoring camera can readily be monitored while the monitoring cam...
CCTV Camera Abstract A control circuit for automatically opening and closing the diaphragm of the objective lens of a closed circuit television (CCVT) camera including a variable gain inverting amplifier for amplifying and inverting video signals fro...
Abstract Apparatus is disclosed for the generation and display of interference patterns for the purpose of quantifying the distortion of either a surface or a transmitted wavefront. The invention comprises, in one embodiment, means to align the eleme...
Abstract A control circuit for automatically opening and closing the diaphragm of the objective lens of a closed circuit television ( CCTV) camera, including a variable gain inverting amplifier for amplifying and inverting video signals from the came...
Abstract The present invention relates to an automatic diaphragm control device for use with a CCTV camera in which a video signal applied from the CCTV camera is utilized for diaphragm control, and provides an automatic diaphragm control device for...
Abstract The present invention relates to an automatic diaphragm control device for use with a CCTV camera which has recently found many applications. The present invention provides an automatic diaphragm control device for use with a CCTV camera ada...
Abstract A remote-controllable automatic diaphragm control device for use with a CCTV camera permitting the diaphragm control to be changed over between an automatic diaphragm control mode in which a desired diaphragm control is achieved by utilizing...
Abstract A temperature compensating method an automatic diaphragm control amplifier used with an objective lens for a CCTV camera lowers or raises an adjusted level of video signal as an ambient temperature rises of lowers, respectively. The temperat...
Abstract A system for identifying visitors using a closed-circuit television camera to generate image data by reading images of visitors and a microphone to convert the sound waves received from visitors into electric waves. A door-bell button has a...
Abstract A mount shift apparatus of a lens for a CCTV camera includes a mount frame which is provided with a threaded portion which can be screw-engaged by a body mount of a camera body, a lens frame which supports a photographing lens group and whic...
Abstract A linear-motion helicoid mechanism for a CCTV camera, comprising a lens frame for holding lenses, a key member, a helicoid female member and a rotating frame that is formed integrally with the helicoid female member. The lens frame comprises...
Abstract A diaphragm control apparatus for a lens of a CCTV camera having a diaphragm driver for opening or closing a diaphragm in accordance with a diaphragm control signal, includes a remote diaphragm controller which outputs a remote diaphragm con...
Abstract A diaphragm apparatus of a lens for a CCTV camera includes a diaphragm blade which opens and closes a stop aperture of the diaphragm apparatus; and an ND filter which is attached to the diaphragm blade, the ND filter having a spectral transm...
Abstract A housing for a CCTV camera is easily opened and assembled. The housing includes a housing cap having a filter glass, which filters incident light from an external light source and supplies the filtered light to a CCTV camera lens, on its fr...
Abstract A support frame for CCTV camera enclosure is disclosed. The support frame comprises a support body supporting the structure of the support frame; a rotating section mounted onto the support body and the rotating section horizontally rotated...