when something has been detected vs when something was detected

Both phrases are correct, but they are used in different contexts. 'When something has been detected' is used when referring to a recent or ongoing detection, while 'when something was detected' is used when talking about a past detection. The choice between them depends on the timeframe of the detection being discussed.

Last updated: March 08, 2024

when something has been detected

This phrase is correct and commonly used in English when referring to a recent or ongoing detection.

This phrase is used to describe a detection that has happened recently or is still relevant at the time of speaking.

Examples:

The alarm goes off when something has been detected by the sensors.
We will investigate further when something has been detected in the system.

Show examples from the web [+]

... supplied by ImageScanner.getVideoControl() . You are notified via the ImageDecoderListener when something has been detected by the set ImageDecoder .
"NotifyInChat" notify to all players when something has been detected but not punished "NotifyInChatName":"r-AntiCheat" Associated Auto Anti ...
May 6, 2013 ... From signature files, to policies, to customized alerts, security products are eager to tell you when something has been detected that they ...
Apr 17, 2014 ... An email or text alerts the home owner when something has been detected by the sensors so that an investigation into the potential problem ...

Alternatives:

when something is detected
when something gets detected
when something gets picked up
when something is found
when something is identified

when something was detected

This phrase is correct and commonly used in English when referring to a past detection.

This phrase is used to describe a detection that occurred in the past and is no longer relevant at the time of speaking.

Examples:

The issue was resolved when the problem was detected.
We took action when the error was detected in the system.

Show examples from the web [+]

... and overhead obstacles, and it would emit different tones or activate certain vibrators under the fingers when something was detected by the reflected beams.
Apr 27, 2014 ... We can determine when something was detected - the "first_timestamp". We can determine if something was installed after the initial audit - first ...
Apr 24, 2013 ... This behaviour (Ultrasonic.java) would simply move the robot forward at full speed when something was detected in front of the robot.
Jul 21, 2009 ... P.S: And I love the voice function that always informs me that I'm updated, or the loud sound when something was detected (it would be cool if it ...

Alternatives:

when something had been detected
when something got detected
when something was found
when something was identified

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when something has been detected vs when something was detected