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Trang chủTừ điểnTtransponder

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transponder

An electronic device that receives a radio signal and automatically transmits a different signal in response. / A device used in electronic key systems to authenticate a vehicle or building by transmitting a unique identification code to a receiver.
Danh từ
Số nhiều: transponders

This term describes a specialized hardware component designed for automated communication, specifically the act of responding to an interrogation signal. It carries a technical, industrial connotation, typically associated with aviation, maritime navigation, or high-security access control systems.

In modern consumer contexts, the word often refers to the passive RFID chip embedded in car keys or key fobs. While the device is physically small in these cases, the term remains precise, denoting the specific function of transmitting a unique identifier to a receiver to authorize access.

Ý nghĩa

Danh từ

An electronic device that receives a radio signal and automatically transmits a different signal in response.

The aircraft's transponder allows air traffic controllers to identify its position and altitude on radar.

Danh từ

A device used in electronic key systems to authenticate a vehicle or building by transmitting a unique identification code to a receiver.

The car will not start unless the key's transponder is recognized by the ignition system.

Ví dụ

The pilot switched on the transponder to let air traffic control know their position.

Travel

transponder

I cannot start the car because the transponder in the key is damaged.

none

transponder

The rescue team tracked the missing hiker using a handheld transponder.

none

transponder

Check the transponder settings before we enter the restricted airspace.

Travel

transponder

The satellite uses a transponder to relay signals back to the ground station.

none

transponder

Wait, did you leave the transponder off? The radar cannot see us.

Travel

transponder

Each animal in the study was fitted with a small transponder for migration tracking.

none

transponder

The security system requires a transponder to unlock the main gate.

Business

transponder

The ship sent out a distress signal via its emergency transponder.

none

transponder

Từ liên quan

beacontransmitterantennaradarsignalradioaviationsatellitetelemetryfrequencyreceiveraircraftnavigationtrackingelectroniccommunicationpingwavemodulationsensoravionicsidentification
Cập nhật lần cuối: May 2026Báo lỗi