Electronic Access Control

Preface

My publisher, Pam Chester with Butterworth/Elsevier, called me in a panic late in 2010 when another author backed out of writing a book on Access Control Systems. She remembered that I had wanted to write a book on electrified locks and thought that these two subjects would be a good fit together.

And so began this book. Although the deadline to write it was aggressive by any standards (I had to meet the deadline of the other book, which was nearing its close), the result was most rewarding for me and, I hope, for you the reader.

There is precious little written on electrified locks, which are the bane of Access Control System designers, installers, and maintenance technicians. Also, Access Control Systems have become so complicated since ...