ULTRASONIC TRANSMISSION OF SIGNALS
First Claim
1. A digital ultrasonic modem device for ultrasonically and securely transmitting digital data, the device comprising:
- a microprocessor;
an ultrasonic transducer;
an encryption key located on the device; and
ultrasonic transmission logic that configures digital data for acoustic transmission by the ultrasonic transducer at frequencies at or above 17 KHz, the ultrasonic transmission logic further configured to encrypt the digital data so that it may be decrypted according to the encryption key.
1 Assignment
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Accused Products
Abstract
Described herein are devices and systems that transmit data from a first device using an ultrasonic digital modem to a second device that receives the ultrasonic signal and can interpret the ultrasonic signal. The second device may be a telecommunications device such as a smartphone running an ultrasonic digital modem receiver application. In particular, devices, systems and methods for encoding and transmitting an ultrasonic signal that includes both digital (e.g., FSK) and analog signal components. Such hybrid ultrasonic signals may efficiently and reliably transmit information, and particularly biological information. Also described herein are devices, systems and methods for securely transmitting ultrasonic signals using encryption keys that may be read by the receiving device using a separate (e.g., non-ultrasound modality) from the transmitting device.
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Citations
29 Claims
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1. A digital ultrasonic modem device for ultrasonically and securely transmitting digital data, the device comprising:
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a microprocessor; an ultrasonic transducer; an encryption key located on the device; and ultrasonic transmission logic that configures digital data for acoustic transmission by the ultrasonic transducer at frequencies at or above 17 KHz, the ultrasonic transmission logic further configured to encrypt the digital data so that it may be decrypted according to the encryption key. - View Dependent Claims (2, 3, 4, 5)
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6. A system for secure ultrasonic transmission of data, the system comprising:
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an ultrasonic communications device comprising an ultrasonic transducer, an encryption key located on the ultrasonic communications device, and ultrasonic transmission logic that configures digital data for acoustic transmission by the ultrasonic transducer at frequencies at or above 17 KHz, the ultrasonic transmission logic further configured to encrypt the digital data so that it may be decrypted according to the encryption key; and decrypting logic executable on a telecommunications device, wherein the telecommunications device comprises a receiver for receiving an ultrasonic signal from the ultrasonic communications device, and wherein the decrypting logic is configured to receive the encryption key and apply the encryption key to decrypt the ultrasonic signal. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A method of securely transferring information using ultrasound, the method comprising:
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receiving an encryption key that is present on a surface of an ultrasonic communication device; receiving an encrypted ultrasonic signal from the ultrasonic communications device; and decrypting the ultrasonic signal with the encryption key. - View Dependent Claims (13, 14, 15)
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16. A device for transmission of both digital and analog ultrasonic data, the device comprising:
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a microprocessor; an ultrasonic transducer; and hybrid transmission logic configured to generate a signal comprising digital data appended to analog data, for acoustic transmission by the ultrasonic transducer at frequencies at or above 17 KHz. - View Dependent Claims (17, 18, 19, 20, 21)
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22. A method of transmitting a hybrid digital and analog signal using ultrasound, the method comprising:
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generating an ultrasound signal comprising digital data encoded with frequency shift keying (FSK) appended to an analog signal comprising a frequency modulated signal that is modulated at a frequency above 17 KHz; and acoustically transmitting the signal using an ultrasonic transducer. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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Specification