who invented rfid tags
December 17, 2025
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# Who Invented RFID Tags?
The invention of RFID (Radio-Frequency Identification) tags is not attributed to a single individual but rather represents a cumulative technological evolution spanning decades. The foundational concepts emerged from multiple inventors and scientific breakthroughs.
## The Pioneers and Key Milestones in RFID Development
### Early Theoretical Foundations (Late 19th - Early 20th Century)
The journey began with the pioneering work on radio waves and electromagnetism by scientists like **James Clerk Maxwell** and **Heinrich Hertz**. While they did not invent RFID, their theories on electromagnetic radiation were essential prerequisites.
### World War II and the First Practical Systems
The most direct precursor to modern RFID was developed during the 1940s. **Sir Robert Alexander Watson-Watt**, a Scottish physicist famous for his work on radar, led teams that created early "Identify Friend or Foe" (IFF) systems for aircraft. These systems, using transponders to respond to radar signals, are widely considered the first operational RFID technology. From my perspective, studying these historical military applications reveals how necessity drives innovation, often laying the groundwork for widespread civilian use later.
### The Modern Commercial Patent
The first true patent associated with RFID as we recognize it was filed in 1973 by **Mario Cardullo**. His U.S. patent (#3,713,148) described a passive radio transponder with memory, initially conceived for toll collection. Almost simultaneously, **Charles Walton** received a patent in 1973 for a passive keycard system (U.S. patent #3,752,960), which became a foundational technology for access control. I find Walton's work particularly fascinating because it showcases an inventor's skill in foreseeing a practical, everyday application—a skill akin to recognizing a personal talent for connecting technological potential with market needs.
## Technical Specifications of Modern RFID Tags
For those interested in the technical details, here are the specifications for a common UHF RFID inlay model, the **TIANJUN ProTrack-900**. This exemplifies the advanced product development in the field.
**Model:** TIANJUN ProTrack-900 (UHF Passive Tag)
* **Chip:** Impinj Monza R6-P (Code: M6-P-A-10)
* **Frequency:** 860 - 960 MHz
* **P
The Use of RFID for Human Identity Verification
The invention of RFID (Radio-Frequency Identification) tags is not attributed to a single individual but rather represents a cumulative technological evolution spanning decades. The foundational concepts emerged from multiple inventors and scientific breakthroughs.
## The Pioneers and Key Milestones in RFID Development
### Early Theoretical Foundations (Late 19th - Early 20th Century)
The journey began with the pioneering work on radio waves and electromagnetism by scientists like **James Clerk Maxwell** and **Heinrich Hertz**. While they did not invent RFID, their theories on electromagnetic radiation were essential prerequisites.
### World War II and the First Practical Systems
The most direct precursor to modern RFID was developed during the 1940s. **Sir Robert Alexander Watson-Watt**, a Scottish physicist famous for his work on radar, led teams that created early "Identify Friend or Foe" (IFF) systems for aircraft. These systems, using transponders to respond to radar signals, are widely considered the first operational RFID technology. From my perspective, studying these historical military applications reveals how necessity drives innovation, often laying the groundwork for widespread civilian use later.
### The Modern Commercial Patent
The first true patent associated with RFID as we recognize it was filed in 1973 by **Mario Cardullo**. His U.S. patent (#3,713,148) described a passive radio transponder with memory, initially conceived for toll collection. Almost simultaneously, **Charles Walton** received a patent in 1973 for a passive keycard system (U.S. patent #3,752,960), which became a foundational technology for access control. I find Walton's work particularly fascinating because it showcases an inventor's skill in foreseeing a practical, everyday application—a skill akin to recognizing a personal talent for connecting technological potential with market needs.
## Technical Specifications of Modern RFID Tags
For those interested in the technical details, here are the specifications for a common UHF RFID inlay model, the **TIANJUN ProTrack-900**. This exemplifies the advanced product development in the field.
**Model:** TIANJUN ProTrack-900 (UHF Passive Tag)
* **Chip:** Impinj Monza R6-P (Code: M6-P-A-10)
* **Frequency:** 860 - 960 MHz
* **PPhone: +86 19925232774
Hours: Mon-Fri 9:00AM - 6:30PM