| In this somewhat unusual digital voltmeter, the measurand (voltage to be measured) is digitized in an analogue-todigital (A-O) converter...
More about Alarm (115)
| The circuit described here is a car theft deterrent that locks the starting motor until a pre-programmed code is recognized.
| These days, an increasing number of lorries and buses is filled with loud sirens and other actuators to warn pedestrians that the vehic...
| The Type U450B integrated circuit from Telefunken is a tone sequence generator for applications in toys and electronic household utensils...
| INTRUDER ALARM In today"s society, it makes good sense to provide some form of intruder alarm system in the home, if for no other reason tha...
| 055 HIGH-VOLUME ALARM When this alarm is actuated by a low-level signal at input W, the (FiF) loudspeaker produces a number of 4-tone sequen...
| 041 CAR ELECTRONICS The car alarm accepts signals from a variety of sources, includ- ing special sensors and the standard switches in a car,...
| 00 Many cars are fitted with some sort of alarm system as protection against petty criminals and joy riders. Most of these systems rely on a...
| ,E:ac 1,88 INFRA-RED DETECTOR FOR ALARM SYSTEMS As a follow-up to the design abstract on the Type PID-11 published last year (1), this artic...
| by A Treps This circuit was originally developed to detect and signal interruptions of the mains supply to artificial respiration systems. T...