FR2183500A5 - - Google Patents

Info

Publication number
FR2183500A5
FR2183500A5 FR7315849A FR7315849A FR2183500A5 FR 2183500 A5 FR2183500 A5 FR 2183500A5 FR 7315849 A FR7315849 A FR 7315849A FR 7315849 A FR7315849 A FR 7315849A FR 2183500 A5 FR2183500 A5 FR 2183500A5
Authority
FR
France
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
Application number
FR7315849A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR2183500A5 publication Critical patent/FR2183500A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/26—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using modulation of waves other than light, e.g. radio or acoustic waves
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/24—Methods or devices for transmitting, conducting or directing sound for conducting sound through solid bodies, e.g. wires

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR7315849A 1972-05-04 1973-05-03 Expired FR2183500A5 (un)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25039572A 1972-05-04 1972-05-04

Publications (1)

Publication Number Publication Date
FR2183500A5 true FR2183500A5 (un) 1973-12-14

Family

ID=22947557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7315849A Expired FR2183500A5 (un) 1972-05-04 1973-05-03

Country Status (8)

Country Link
US (1) US3777189A (un)
BR (1) BR7303197D0 (un)
CA (1) CA977865A (un)
DE (1) DE2321989A1 (un)
ES (1) ES414351A1 (un)
FR (1) FR2183500A5 (un)
GB (1) GB1434794A (un)
IT (1) IT998104B (un)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428478A1 (fr) * 1978-06-13 1980-01-11 Nippon Electronics Ltd Cable de transmission pour dispositif d'outillage a ultra-sons

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937990A (en) * 1974-05-28 1976-02-10 Winston Ronald H Ultrasonic composite devices
US4158169A (en) * 1977-12-06 1979-06-12 Westinghouse Electric Corp. Corona testing apparatus including acoustic waveguides for transmitting acoustic emissions from electrical apparatus
KR820001828B1 (ko) * 1977-12-06 1982-10-12 에이. 엠. 케네디 2세 전기장치내의 코로나 방전의 감지 및 위치 측정장치
US4158168A (en) * 1977-12-06 1979-06-12 Westinghouse Electric Corp. Acoustic waveguides for sensing and locating corona discharges
US4352038A (en) * 1980-02-19 1982-09-28 Moreton Neal S Acoustical transmission wave guide assembly for predicting failure of structured members
DE3775269D1 (de) * 1986-05-05 1992-01-30 Siemens Ag Verfahren zur messung elektrischer oder magnetischer wechselfelder und anordnung zur durchfuehrung des verfahrens.
GB8713314D0 (en) * 1987-06-06 1987-07-08 Brush Switchgear Current transformers
GB8819163D0 (en) * 1988-08-12 1988-09-14 Ass Elect Ind Current transformer
US5400788A (en) * 1989-05-16 1995-03-28 Hewlett-Packard Apparatus that generates acoustic signals at discrete multiple frequencies and that couples acoustic signals into a cladded-core acoustic waveguide
US5284148A (en) * 1989-05-16 1994-02-08 Hewlett-Packard Company Intracavity ultrasound diagnostic probe using fiber acoustic waveguides
ATE75974T1 (de) * 1990-03-09 1992-05-15 Walter Martin Ultraschalltech Ultraschall-resonator.
EP0480078A1 (de) * 1990-10-08 1992-04-15 Siemens Aktiengesellschaft Messvorrichtung mit nichtelektrischer Signal- und Energieübertragung
ATE556543T1 (de) * 1996-05-09 2012-05-15 Crest Ultrasonics Corp Ultraschallwandler
US6653760B1 (en) 1996-05-09 2003-11-25 Crest Ultrasonics Corporation Ultrasonic transducer using third harmonic frequency
ES2118042B1 (es) * 1996-10-03 1999-04-16 Univ Catalunya Politecnica Transductor piezoelectrico para medida de altas tensiones y su procedimiento de funcionamiento.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173034A (en) * 1960-09-16 1965-03-09 Singer Inc H R B Ultrasonic device
US3140859A (en) * 1961-01-17 1964-07-14 Internat Ultrasonics Inc Electroacoustic sandwich transducers
US3166840A (en) * 1961-06-28 1965-01-26 Aeroprojects Inc Apparatus and method for introducing high levels of vibratory energy to a work area
US3584327A (en) * 1969-04-04 1971-06-15 Fibra Sonics Ultrasonic transmission system
US3546498A (en) * 1969-06-13 1970-12-08 Univ Ohio Curved sonic transmission line
US3591862A (en) * 1970-01-12 1971-07-06 Ultrasonic Systems Ultrasonic motor transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428478A1 (fr) * 1978-06-13 1980-01-11 Nippon Electronics Ltd Cable de transmission pour dispositif d'outillage a ultra-sons

Also Published As

Publication number Publication date
GB1434794A (en) 1976-05-05
US3777189A (en) 1973-12-04
CA977865A (en) 1975-11-11
IT998104B (it) 1976-01-20
BR7303197D0 (pt) 1974-07-11
ES414351A1 (es) 1976-02-01
DE2321989A1 (de) 1973-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse