CA1017438A - Acoustic measurement - Google Patents
Acoustic measurementInfo
- Publication number
- CA1017438A CA1017438A CA204,300A CA204300A CA1017438A CA 1017438 A CA1017438 A CA 1017438A CA 204300 A CA204300 A CA 204300A CA 1017438 A CA1017438 A CA 1017438A
- Authority
- CA
- Canada
- Prior art keywords
- acoustic measurement
- acoustic
- measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
- G01H3/04—Frequency
- G01H3/06—Frequency by electric means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3237073A GB1426604A (en) | 1973-07-06 | 1973-07-06 | Acoustic measurements |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1017438A true CA1017438A (en) | 1977-09-13 |
Family
ID=10337565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA204,300A Expired CA1017438A (en) | 1973-07-06 | 1974-07-08 | Acoustic measurement |
Country Status (3)
Country | Link |
---|---|
US (1) | US3912880A (en) |
CA (1) | CA1017438A (en) |
GB (1) | GB1426604A (en) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2830837C2 (en) * | 1977-07-15 | 1983-06-09 | Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa | Method and device for measuring the characteristic values of a loudspeaker |
DE2846346A1 (en) * | 1978-10-25 | 1980-05-08 | Bosch Gmbh Robert | METHOD FOR MEASURING, TESTING, AND IN PARTICULAR FOR SETTING THE MAXIMUM OUTPUT SOUND PRESSURE OF HOER DEVICES |
US4347410A (en) * | 1980-02-26 | 1982-08-31 | Schomer Paul D | Microphone droop and sensitivity measurement device |
US4486862A (en) * | 1981-08-24 | 1984-12-04 | Commonwealth Of Australia | Determination of system response |
US4450411A (en) * | 1982-07-27 | 1984-05-22 | Honeywell Inc. | Automatic calibration system for signal amplifier circuits |
DE3636720A1 (en) * | 1986-10-29 | 1988-05-05 | Krupp Gmbh | METHOD FOR FUNCTIONAL TESTING A MICROPHONE AND MICROPHONE TESTING DEVICE |
GB2199466A (en) * | 1986-11-08 | 1988-07-06 | G L Communications Limited | Monitoring loudspeakers |
GB2207770B (en) * | 1987-08-06 | 1991-09-11 | Nat Research And Dev Corp The | Apparatus and methods for spectral analysis of electrical materials,components and devices |
US5247458A (en) * | 1990-09-11 | 1993-09-21 | Audio Precision, Inc. | Method and apparatus for testing a digital system for the occurrence of errors |
FR2702911B1 (en) * | 1993-03-18 | 1995-05-24 | Matra Communication | Method and device for phonometric measurements. |
US6269318B1 (en) * | 1997-04-30 | 2001-07-31 | Earl R. Geddes | Method for determining transducer linear operational parameters |
US6450960B1 (en) | 2000-08-29 | 2002-09-17 | Barbara Ann Karmanos Cancer Institute | Real-time three-dimensional acoustoelectronic imaging and characterization of objects |
US7492909B2 (en) * | 2001-04-05 | 2009-02-17 | Motorola, Inc. | Method for acoustic transducer calibration |
JP2006304035A (en) * | 2005-04-22 | 2006-11-02 | Agilent Technol Inc | Analog-digital converting method and system thereof |
GB2426404B (en) * | 2005-05-21 | 2009-01-14 | Signal Conversion Ltd | Apparatus and methods for the measurement of non linear distortion of transducer devices |
US10198097B2 (en) | 2011-04-26 | 2019-02-05 | Sentons Inc. | Detecting touch input force |
US11327599B2 (en) | 2011-04-26 | 2022-05-10 | Sentons Inc. | Identifying a contact type |
US9189109B2 (en) | 2012-07-18 | 2015-11-17 | Sentons Inc. | Detection of type of object used to provide a touch contact input |
US9477350B2 (en) | 2011-04-26 | 2016-10-25 | Sentons Inc. | Method and apparatus for active ultrasonic touch devices |
US9639213B2 (en) | 2011-04-26 | 2017-05-02 | Sentons Inc. | Using multiple signals to detect touch input |
US10235004B1 (en) * | 2011-11-18 | 2019-03-19 | Sentons Inc. | Touch input detector with an integrated antenna |
US11262253B2 (en) | 2017-08-14 | 2022-03-01 | Sentons Inc. | Touch input detection using a piezoresistive sensor |
KR101852549B1 (en) | 2011-11-18 | 2018-04-27 | 센톤스 아이엔씨. | Localized haptic feedback |
EP2780783B1 (en) | 2011-11-18 | 2022-12-28 | Sentons Inc. | Detecting touch input force |
CN102547526B (en) * | 2012-01-13 | 2014-12-24 | 广东启明科技发展有限公司 | Real-time monitoring method and system of microphone working state |
US9459715B1 (en) | 2013-09-20 | 2016-10-04 | Sentons Inc. | Using spectral control in detecting touch input |
US10908741B2 (en) | 2016-11-10 | 2021-02-02 | Sentons Inc. | Touch input detection along device sidewall |
US10296144B2 (en) | 2016-12-12 | 2019-05-21 | Sentons Inc. | Touch input detection with shared receivers |
US10126877B1 (en) | 2017-02-01 | 2018-11-13 | Sentons Inc. | Update of reference data for touch input detection |
US10585522B2 (en) | 2017-02-27 | 2020-03-10 | Sentons Inc. | Detection of non-touch inputs using a signature |
US11580829B2 (en) | 2017-08-14 | 2023-02-14 | Sentons Inc. | Dynamic feedback for haptics |
CN114112006A (en) * | 2021-11-26 | 2022-03-01 | 中科传启(苏州)科技有限公司 | Noise monitoring method and device and electronic equipment |
CN114236393B (en) * | 2021-11-30 | 2023-07-07 | 上海瑞浦青创新能源有限公司 | Method and system for detecting battery abnormality on line based on big data |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2629000A (en) * | 1950-05-26 | 1953-02-17 | Rca Corp | Distortion analyzing apparatus |
US3267222A (en) * | 1966-01-07 | 1966-08-16 | Billy B Chipp | Intercommunication test set |
US3692959A (en) * | 1970-10-28 | 1972-09-19 | Electone Inc | Digital hearing aid gain analyzer |
-
1973
- 1973-07-06 GB GB3237073A patent/GB1426604A/en not_active Expired
-
1974
- 1974-07-05 US US486240A patent/US3912880A/en not_active Expired - Lifetime
- 1974-07-08 CA CA204,300A patent/CA1017438A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3912880A (en) | 1975-10-14 |
GB1426604A (en) | 1976-03-03 |
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