closed-circuit battery

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• Closed-circuit television — CCTV redirects here. For other uses, see CCTV (disambiguation). For the Chinese television station, see China Central Television. Surveillance cameras on a corner. Closed circuit television (CCTV) is the use of video cameras to transmit a signal… …   Wikipedia

• battery — /bat euh ree/, n., pl. batteries. 1. Elect. a. Also called galvanic battery, voltaic battery. a combination of two or more cells electrically connected to work together to produce electric energy. b. cell (def. 7a). 2. any large group or series… …   Universalium

• Battery — /bat euh ree/, n. The, a park at the S end of Manhattan, in New York City. Also called Battery Park. * * * Any of a class of devices, consisting of a group of electrochemical cells (see electrochemistry), that convert chemical energy into… …   Universalium

• Circuit City Stores — This article is about the defunct company that operated from 1949 to 2009. For the online retailer owned by Systemax, see CircuitCity.com. Circuit City Stores, Inc. The final 2001 2009 logo Former type Public …   Wikipedia

• Circuit breaker — For other uses, see Circuit breaker (disambiguation). An air circuit breaker for low voltage (less than 1000 volts) power distribution switchgear …   Wikipedia

• Secondary battery — Secondary Sec ond*a*ry, a. [Cf. F. secondaire, L. secundaire. See {Second}, a.] 1. Succeeding next in order to the first; of second place, origin, rank, etc.; not primary; subordinate; not of the first order or rate. [1913 Webster] Wheresoever… …   The Collaborative International Dictionary of English

• Secondary circuit — Secondary Sec ond*a*ry, a. [Cf. F. secondaire, L. secundaire. See {Second}, a.] 1. Succeeding next in order to the first; of second place, origin, rank, etc.; not primary; subordinate; not of the first order or rate. [1913 Webster] Wheresoever… …   The Collaborative International Dictionary of English

• Electrical battery — Electric E*lec tric ([ e]*l[e^]k tr[i^]k), Electrical E*lec tric*al ([ e]*l[e^]k tr[i^]*kal), a. [L. electrum amber, a mixed metal, Gr. h lektron; akin to hle ktwr the beaming sun, cf. Skr. arc to beam, shine: cf. F. [ e]lectrique. The name came… …   The Collaborative International Dictionary of English

• open-circuit cell — open circuit cell, an electric cell, as a dry cell battery, having two poles connected by a flashlight switch or other device to make a closed circuit. Bubbles of hydrogen ions on the positive electrode finally stop the current, making open… …   Useful english dictionary

• Track circuit — A track circuit is a simple electrical device used to detect the presence or absence of a train on rail tracks, used to inform signallers and control relevant signals. Principles and operation The basic principle behind the track circuit lies in… …   Wikipedia

• Electronic circuit — The die from an Intel 8742, an 8 bit microcontroller that includes a CPU, 128 bytes of RAM, 2048 bytes of EPROM, and I/O in the same chip …   Wikipedia