rangefinder

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rangefinder

an instrument for determining the distance of an object from the observer, esp in order to sight a gun or focus a camera

rangefinder

[′rānj ‚fīnd·ər]
(communications)
A movable, calibrated unit of the receiving mechanism of a teletypewriter by means of which the selecting interval may be moved with respect to the start signal.
(electronics)
A device which determines the distance to an object by measuring the time it takes for a radio wave to travel to the object and return.
(engineering)
References in periodicals archive ?
With the built-in rangefinder, I can quickly range distances from the buck to the horizon, a nearby bush, tree or boulder, so I know exactly where the animal is in relation to those landmarks.
Other tools we need include a chronograph and a laser rangefinder.
The laser rangefinders operate by sending out a laser pulse in a narrow beam, and then capturing the time required for the pulse to reflect back from an object to the sending unit.
There is one device, though, that I consider a must for nearly all big-game hunting these days: a rangefinder.
The laser rangefinder is like a set of binoculars that gives its user a pre= cise estimate of distances.
Rangefinders underwent what the PGA say was a successful trial at last September's Glenbrae PGA Fourball Championship at Ful ford, where Carman partnered Wrexham's Simon Edwards.
Northrop Grumman has landed a five-year contract worth up to $98 million from the Naval Surface Warfare Center for the procurement of about 940 Special Operations Forces Laser Acquisition Marker Special Operations Forces Laser Rangefinder Designators.
In a way it's a little confusing to rate rangefinders according to a yardage value because, realistically, it would take a blindingly reflective target to be ranged accurately at that distance but it doesn't mean you don't get something for your money.
Laser rangefinders have become commonplace in the hunting field, and there are many excellent models to choose from.
Armed with maps, compasses, grease pencils, radios, laser designators and rangefinders, the TACPs do a job that still remains, for the most part, dependent on their ability to make complex computations and deliver target information under high stress, in the fog of war.
The Type 282 also outperforms laser rangefinders in terms of radar capability and data rate, and avoids eye safety problems associated with laser rangefinders, according to Marconi.