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CCTV Glossary

Camera, DVR, and VIP products

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Glossary

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Содержание DHR-1600A-150A

Страница 1: ...CCTV Glossary Camera DVR and VIP products en Glossary ...

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Страница 3: ...pening in the iris which controls the amount of light that reaches the CCD Sensor The larger the F Stop numbers the less light reaches the sensor AutoBlack A technique of boosting the video signal level to produce a full amplitude video signal even when the scene contrast is less than full range glare fog mist etc The darkest part of the signal is set to black and the lightest part to white thus i...

Страница 4: ...pplication and bandwidth rating system for UTP cabling Categories 1 through 7 are based on EIA TIA 568 B standards Category is typically abbreviated CAT UTP Category 5 5e 6 and 7 are used for Ethernet data cabling applications Ethernet wiring distances are limited to a maximum of 100 m 328 ft when using UTP wiring Cable Compensation A technology that prevents image degradation caused by signal los...

Страница 5: ...l and other adjustments have been exhausted the shutter speed reverts to the standard setting to maintain sensitivity DHCP Dynamic Host Configuration Protocol Uses an appropriate server to enable dynamic assignment of an IP address and other configuration parameters to computers on a network Internet or LAN Digital Image Stabilization See Image Stabilization Dinion A high performance smart surveil...

Страница 6: ...oor models and high performance vandal resistant styles Focal Length The distance from the optical center of the lens to the image of an object located at an infinite distance from the lens Long focal lengths give a small field of view e g telephoto effect while short focal lengths give a wide angle view FTP File Transfer Protocol Used to transfer files between computers on a network such as the I...

Страница 7: ... IR illumination is prominent at dusk and dawn and in incandescent lamps IR illuminators come in the form of lamps with the appropriate filters LEDs or lasers CCD sensors are less sensitive to IR than visible light but IR can significantly increase the total illumination level leading to a much better image at low light levels Intermodal Dispersion See Modal Dispersion IP Internet Protocol The mai...

Страница 8: ...ed to most network adapters NICs It is a number that acts like a name for a particular network adapter MIB Management Information Base A collection of information for remote servicing using the SNMP protocol MJPEG Motion JPEG is a digital video encoding standard where each video frame is separately compressed into a JPEG image Modal Dispersion A broadening of a waveform over long distances Modal D...

Страница 9: ...rotocol see Biphase The Pan Tilt units support the Pelco D protocol as well as Bosch s own Biphase and Bilinx protocols see Bilinx N NEMA Rating Electrical Standards and Publications published by NEMA National Electrical Manufacturers Association Specification standards in reference to the operating environment for a variety of electrical devices Net mask A mask that explains which part of an IP a...

Страница 10: ...ed by a programmable camera Pressurized Dry Nitrogen Housing A housing for outdoor applications that protects against smog humidity dirt and dust Privacy Masking The ability to mask out a specific area to prevent it from being viewed Q QCIF Quarter CIF Video format with 176 144 120 pixels see CIF R RAID Redundant Array of Independent Disks Used for organizing two or more hard disks as if they were...

Страница 11: ...mple Network Management Protocol IP based protocol for network management as well as managing and monitoring network components SNMP allows getting information from networking devices GET to set parameters on network devices SET and to be notified about certain events EVENT SNTP Simple Network Time Protocol A simplified version of NTP see NTP Spot Focus Activates Auto Focus for three seconds after...

Страница 12: ...the other twisted pairs in the cable UTP is the primary wire type for telephone usage and the most commonly used type of networking cable V Virtual Masking A unique Bosch technology that creates invisible motion masking areas These invisible masks are similar to privacy zones but only the camera s algorithms can see them This allows the camera to ignore areas of unwanted motion VMD Video Motion De...

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Страница 14: ...Bosch Security Systems www BoschSecurity com Bosch Security Systems 2008 ...

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