principle of operation of transistorised code lock with torch ....etc

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I want to know advantage and disadvatages about the emergency automatic torchh.. ....etc

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to get information about the topic lazer torch based voice trasmiter and receiver full report ,ppt and related topic please refer page link bellow

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-full-report

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-full-report?page=10

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-full-report?page=9 ....etc

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Development of a laboratory scale air plasma torch and its application
to electronic waste treatment


INTRODUCTION
The production of electrical and electronic
equipment is one of the fastest growing businesses in
the world. The useful life of consumer electronic
products is relatively short and decreasing as a result
of rapid changes in equipment features and
capabilities. Technological innovation and market
expansion are accelerating the replacement of outdated
equipment, ....etc

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to get information about the topic lazer torch based voice trasmiter and receiver full report ,ppt and related topic please refer page link bellow

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-full-report

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-full-report?page=10

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-full-report?page=9 ....etc

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LASER TORCH BASED VOICE TRANSMITTER AND RECEIVER
Using this circuit you can communicate with your neighbors wirelessly. Instead of RF signals, light from a laser torch is used as the carrier in the circuit. The laser torch can transmit light up to a distance of about 500 meters. The phototransistor of the receiver must be accurately oriented towards the laser beam from the torch. If there is any obstruction in the path of the laser beam, no sound will be heard from the receiver. The transmitter circuit (Fig. 1) comprises c ....etc

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APPLICATION OF PLASMA TECHNOLOGY IN MUNCIPAL WASTE MANAGEMENT

INTRODUCTION

About one-third of municipal waste consists of electronic &biomedical wastes.

Traditionally, inceneration was used for the disposal

Plasma technology is the most promising technology

The paper describes e-waste & plasma e-waste treatment


By-products of the process and their applications has been discussed


WHAT IS AN E-WASTE?


E-waste is the general catagory of outdated or eliminated electronic goods ....etc

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This article is presented by: Sameer Lakhra, Davinder Pal Sharma and Dr. Jasvir Singh



ABSTRACT



Laser as a communication medium can provide a good substitute for the present day communication systems as the problem of interference faced in case of electromagnetic waves is not there and high deal of secrecy is available. Use of laser in communication systems is the future because of the advantages of the full channel speeds, no communication licenses required at present , compa ....etc

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we need the project report on transistorised code lock with torch. ....etc

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i need a ppt for door lock system.plz provide material for it. ....etc

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