| When designing a robot, a choice has to be made as to the types of sensors that it will have. This choice will be determined mostly by the p...
| When designing a robot, a choice has to be made as to the types of sensors that it will have. This choice will be determined mostly by the p...
| Although the simplest robots may be content to simply detecting obstacles, many robots that require precision in their positioning need to b...
| To be precise, this ultrasonic distance measuring device is more than just an ear, since it generates pulses of sound at 40 kHz as well as l...
| Lengths and distances are usually measured using a yardstick or measuring tape. For inaccessible locations, and especially for measuring the...
| The detector makes sounds at frequencies of 10-300 kHz audible to human beings. The conversion is ca ried out either by a superheterodyne...
| Octcber ULTRASONIC DISTANCE METER Until well into the twentieth century, most devices developed for measuring distance worked on the same pr...
| ptember 1987 Measurements of ventricular distances by using ultrasonic techniques by Baki Koyuncu (Physics Department, Kuwait University, Ku...
| EE 34 September 1987 would be displayed by the dis- play units. The transmitted power levels would set a more stringent limit on large dista...
| EE 62 February 1986 CAR BURGLAR ALARM Although no alarm offers complete protection against theft, it will, none the less, deter most thieves...
| ultrasonic/infrared barrier elektor november 1983 Infrared barriers are used in counters, alarm equipment, automatic door- openers, remote c...