IP Library Granted Patent US 8,196,470
Granted Patent B2
US 8,196,470 · App. 11/679,959 · Granted Jun 12, 2012

Wireless interface for audiometers

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Quick Facts
Patent No.
US 8,196,470
App. No.
11/679,959
Granted
Jun 12, 2012
Kind
B2
Abstract

An interface adapted for use with an audiometer, including a digital wireless interface supported by a base unit and a remote unit wherein the base unit receives signals from the audiometer and provides the signals to the remote unit via the digital wireless interface.

Claims (48)

1. An interface adapted for use with an audiometer, comprising:

a digital wireless interface supported by a base unit and a remote unit wherein the base unit receives signals comprising test sound information corresponding to a test sound from the audiometer and provides the signals as digitally encoded test sound information corresponding the test sound to the remote unit via the digital wireless interface.

2. The interface as in claim 1 , wherein the digital wireless interface comprises high density coding.

3. The interface as in claim 2 , wherein the high density coding comprises minimum shift keying.

4. The interface as in claim 1 , further comprising earphones coupled to the remote unit.

5. The interface as in claim 1 , further comprising insert earphones coupled to the remote unit.

6. The interface as in claim 1 , further comprising a bone conduction transducer coupled to the remote unit.

7. A base unit adapted for receiving signals from an audiometer, comprising:

a receiver for receiving test sound information corresponding to a test sound and transmitting digitally encoded test sound information corresponding to a test sound to a remote unit through a digital wireless interface.

8. The base unit as in claim 7 , further comprising a user interface.

9. The base unit as in claim 7 , wherein the base unit comprises at least one of an analog base unit and a digital base unit for receiving the test sound information.

10. The base unit as in claim 7 , wherein the base unit comprises a computer-processing unit adapted for running a digital audiometer.

11. A remote unit adapted for providing a test sound, the remote unit comprising:

a digital wireless interface for receiving digitally encoded test sound information corresponding to a test sound and outputting a test sound signal to a transducer for providing the test sound.

12. The remote unit as in claim 11 , further comprising a response switch configured to communicate actuation of the response switch to a base unit via the digital wireless interface.

13. A method for conducting an audiometric test of a test subject, the method comprising:

receiving test sound information from an audiometer;

digitally encoding the test sound information into digitally encoded test sound information corresponding to a test sound;

transmitting the digitally encoded test sound information corresponding to the test sound using a digital wireless interface;

converting the digitally encoded test sound information into the test sound information; and

providing the test sound information to the test subject as at least one test sound.

14. The method as in claim 13 , further comprising calibrating a sound pressure level of the at least one test sound to at least one ear canal of the test subject.

15. The method as in claim 13 , further comprising identifying an ear canal of the test subject to which a masking sound is transmitted.

16. The method as in claim 13 , further comprising transmitting a masking sound to an ear canal of the test subject.

17. The method as in claim 13 , further comprising measuring ambient noise in at least one ear canal of the test subject.

18. The method as in claim 13 , further comprising canceling ambient noise in at least one ear canal of the test subject.

19. The method as in claim 13 , further comprising sending a response via a response switch from the test subject.

20. A system for conducting an audiometric test, the system comprising:

means for receiving test sound information for the audiometric test;

means for producing digitally encoded test sound information corresponding to a test sound from the test sound information;

means for transmitting the digitally encoded test sound information corresponding to the test sound over a digital wireless interface;

means for receiving the digitally encoded test sound information; and

means for producing test sounds from the digitally encoded test sound information.

21. The system as in claim 20 , further comprising means for calibrating a sound pressure level of at least one test sound to at least one ear canal of a test subject.

22. The system as in claim 20 , further comprising means for transmitting a masking sound to an ear canal of a test subject.

23. The system as in claim 20 , further comprising means for identifying an ear canal of a test subject to which a masking sound is transmitted.

24. The system as in claim 20 , further comprising means for measuring ambient noise in at least one ear canal of a test subject.

25. The system as in claim 20 , further comprising means for canceling ambient noise in at least one ear canal of a test subject.

26. The system as in claim 20 , further comprising means for sending a response from a test subject.

27. The system as in claim 20 , further comprising means for generating test sound information.

28. An audiometer adapted for providing input to a remote unit, comprising:

a test sound information generator for generating test sounds and a transceiver for transmitting the test sounds as digitally encoded test sound information corresponding to the test sounds to the remote unit through a digital wireless interface.

29. A method for calibrating an audiometric testing system having a digital wireless interface, the method comprising:

producing a test sound in an ear canal of a test subject, the producing using the digital wireless interface to transmit the test sound as digitally encoded test sound information corresponding to the test sound;

monitoring a corresponding sound pressure level; and

adjusting the audiometric testing system via the digital wireless interface to match the sound pressure level to a predetermined value.

30. An interface for providing an appropriate dynamic range for audiometric testing comprising:

a digital wireless interface supported by a base unit and a remote unit wherein the base unit receives a signal comprising test sound information corresponding a test sound from an audiometer and provides the signal as digitally encoded test sound information corresponding to the test sound to the remote unit via the digital wireless interface, wherein the amplitude of the signal provided via the wireless interface is automatically scaled based on a comparison of an average amplitude of the signal to preset thresholds.

Assignments (7)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 30, 2008
From: CABOT SAFETY INTERMEDIATE LLC
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 022051/0746 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 15, 2008
From: CABOT SAFETY INTERMEDIATE CORPORATION
To: CABOT SAFETY INTERMEDIATE LLC
Reel/Frame 021982/0980 →
RELEASE OF SECOND LIEN SECURITY INTEREST AT REEL/FRAME NO. 19520/0065 Recorded Apr 1, 2008
From: BANK OF AMERICA, N.A.
To: CABOT SAFETY INTERMEDIATE CORPORATION
Reel/Frame 020733/0560 →
RELEASE OF FIRST LIEN SECURITY INTEREST AT REEL/FRAME NO. 19520/0001 Recorded Apr 1, 2008
From: BANK OF AMERICA, N.A.
To: CABOT SAFETY INTERMEDIATE CORPORATION
Reel/Frame 020733/0440 →
GRANT OF FIRST LIEN SECURITY INTEREST IN UNITED STATES PATENTS AND TRADEMARKS Recorded Jul 5, 2007
From: CABOT SAFETY INTERMEDIATE CORPORATION
To: BANK OF AMERICA, N.A., AS FIRST LIEN COLLATERAL AGENT
Reel/Frame 019520/0001 →
GRANT OF SECOND LIEN SECURITY INTEREST IN UNITED STATES PATENTS AND TRADEMARKS Recorded Jul 5, 2007
From: CABOT SAFETY INTERMEDIATE CORPORATION
To: BANK OF AMERICA, N.A., AS SECOND LIEN COLLATERAL AGENT
Reel/Frame 019520/0065 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 28, 2007
From: GROSS, ALLEN H.; DAR, BARAK
To: CABOT SAFETY INTERMEDIATE CORPORATION
Reel/Frame 018940/0001 →