CA554892A - Ultrasonic protective device - Google Patents

Ultrasonic protective device

Info

Publication number
CA554892A
CA554892A CA554892A CA554892DA CA554892A CA 554892 A CA554892 A CA 554892A CA 554892 A CA554892 A CA 554892A CA 554892D A CA554892D A CA 554892DA CA 554892 A CA554892 A CA 554892A
Authority
CA
Canada
Prior art keywords
protective device
ultrasonic protective
ultrasonic
protective
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
Application number
CA554892A
Other languages
French (fr)
Inventor
Stewart W. Daniel
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA554892A publication Critical patent/CA554892A/en
Expired legal-status Critical Current

Links

CA554892A Ultrasonic protective device Expired CA554892A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA554892T

Publications (1)

Publication Number Publication Date
CA554892A true CA554892A (en) 1958-03-25

Family

ID=35716304

Family Applications (1)

Application Number Title Priority Date Filing Date
CA554892A Expired CA554892A (en) Ultrasonic protective device

Country Status (1)

Country Link
CA (1) CA554892A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120389A (en) * 1974-12-20 1978-10-17 Honeywell Inc. Proximity sensor
US4254485A (en) * 1978-04-24 1981-03-03 Nippon Soken, Inc. Temperature measuring apparatus with alarm device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120389A (en) * 1974-12-20 1978-10-17 Honeywell Inc. Proximity sensor
US4254485A (en) * 1978-04-24 1981-03-03 Nippon Soken, Inc. Temperature measuring apparatus with alarm device

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