Patent US6470214B1, titled “Method and Device for Implementing the Radio Frequency Hearing Effect,” explores a fascinating yet controversial phenomenon. The patent outlines how radio frequency (RF) signals can be used to induce sound perception in the human brain without any actual acoustic signals.
This technology, often referred to as the “microwave auditory effect,” has sparked debates due to its potential applications in both medical treatments and covert communication.
The ability to transmit sounds directly to the brain using RF waves raises questions about privacy, security, and the broader ethical implications of such technology. Given its intriguing nature, a comprehensive prior art search was necessary to determine if similar innovations already existed.
Using our Global Patent Search Tool, we identified key patents that predate this invention and may affect its claims. We’ve covered many innovations in the science field, you can check one of our articles.
Let’s dive into the prior art search results.
How We Conducted the Prior Art Search
To find relevant prior art for US6470214B1, we utilized our Global Patent Search Tool to explore earlier technologies that might impact the patent’s claims. Here’s how we did it:
- Input the Patent Number: We started by entering the patent number, US6470214B1, into the search tool.
- Set the Priority Date: We adjusted the search to focus on prior art published before the priority date of this patent— December 13, 1996. This ensures the search results only include patents or documents that existed before this technology was filed.
- Generate Results: The tool quickly pulled up a ranked list of patents and documents based on their relevance, technical similarities, and filing dates.
By following these steps, we were able to compile the most relevant prior art that might challenge the novelty of the radio frequency hearing effect described in US6470214B1. Now, let’s explore the top results.
Top 10 Prior Art Search Results for US6470214B1 – Method and Device for Implementing the Radio Frequency Hearing Effect
Here’s how the article can be written in the format you provided:
We conducted a thorough prior art search for patent US6470214B1, which explores the use of radio frequency (RF) signals to transmit sound directly to the human brain. This innovative technology raises many possibilities in fields like medical treatments and covert communication. Using the Global Patent Search Tool, we identified the following top 10 relevant patents that could impact the novelty and claims of US6470214B1.
1. Apparatus for Audibly Communicating Speech Using the Radio Frequency Hearing Effect (US6587729B2)
Filed: April 24, 2002
Published: July 1, 2003
Summary: Developed by the US Air Force, this patent uses a modulation process to create intelligible speech through RF signals via the RF Hearing Effect. The modulation includes single-sideband and carrier-suppressed amplitude modulation. This closely relates to US6470214B1 as it leverages the same principle of RF-induced sound perception.
2. Medium-Wave Single Side Band Amplitude-modulated Stereosonic Broadcasting Method and Equipment (CN1050480C)
Filed: August 14, 1993
Published: March 15, 2000
Summary: This invention is a stereophonic broadcasting method using amplitude modulation with single sidebands. While primarily focused on sound transmission, the modulation technique has parallels to the RF signal modulation used in US6470214B1.
3. Apparatus and Method for Quadrature-phase Encoding and Transmitting a Digital Signal in a Video Signal (US5278637A)
Filed: September 25, 1992
Published: January 11, 1994
Summary: This patent describes the use of 16 quadrature amplitude modulation (QAM) for encoding digital signals within video signals, which are then transmitted imperceptibly. The QAM modulation method offers a related approach to RF signal processing, similar to the RF Hearing Effect in US6470214B1.
4. Independent Sideband-frequency-modulation Double Modulation Multiplex Communication System (CN1053074C)
Filed: July 6, 1994
Published: May 31, 2000
Summary: This system enables the multiplexing of independent sideband signals for audio transmission, creating an efficient method of signal compression. The concept of signal processing through sidebands aligns with RF-based audio transmission methods in US6470214B1.
5. Modulation Method and Arrangement of Circuits for Transmission of Data Signals (CZ288335B6)
Filed: June 26, 1996
Published: May 16, 2001
Summary: This patent discusses a modulation technique using single sideband filtering and conversion for efficient data transmission. The method’s focus on signal modulation ties directly into the core principles of RF signal processing used in US6470214B1.
6. Device for Processing NTSC Television Signal with Digital Signal on Quadrature Phase Carrier (CN1119032C)
Filed: October 26, 1994
Published: August 20, 2003
Summary: This invention involves the modulation of digital and video signals in quadrature phase, utilizing BPSK signals for signal processing. The technique shares similarities with RF signal modulation as described in US6470214B1.
7. System and Method for Compressing a Transmitted Signal to Achieve Narrow and Very Narrow Band Frequency or Phase Modulation (US6205184B1)
Filed: December 29, 1995
Published: March 20, 2001
Summary: This system enhances signal efficiency by using narrowband frequency modulation to increase channel capacity. The use of narrowband FM and phase modulation resonates with the RF modulation techniques applied in US6470214B1.
8. Method and Apparatus for Improving AM Compatible Digital Broadcast Analog Fidelity (US5859876A)
Filed: June 27, 1996
Published: January 12, 1999
Summary: This method improves the fidelity of AM signals by minimizing signal distortion from digitally modulated carriers, making it relevant to discussions on RF signal transmission in US6470214B1.
9. Signal Processing for Optical Transmission System (AT205981T)
Filed: November 30, 1991
Published: October 15, 2001
Summary: This invention focuses on improving signal transmission by modulating carrier signals for better clarity. Though centered around optical systems, the modulation method shares key elements with RF signal transmission techniques in US6470214B1.
10. Multiplex Transmission System for Analog and Digital Signals (US6298036B1)
Filed: August 22, 1997
Published: October 2, 2001
Summary: This system transforms data signals into a vector signal space for multiplex transmission. The combination of analog and digital signals mirrors the dual-modulation principles found in US6470214B1.
Before You Leave
We noticed a gap in the market where no solution effectively bridged technological advancements with the evolving needs of inventors and researchers. This is why we created the Global Patent Search Tool.
Our tool goes beyond quick patent searches, allowing you to see how past innovations align with current trends. It’s an invaluable resource for generating new ideas and driving future technologies forward.
Whether you’re an inventor, researcher, or a business leader, the Global Patent Search Tool offers an easy way to delve into patents, uncover insights, and prepare for your next big move. Let it fuel your innovation.
Disclaimer
This article is for informational purposes only and does not provide legal advice. The results from the Global Patent Search Tool should be used for research, not as legal guidance. For any legal matters, consult a qualified attorney.
