CA952434A - Acoustic sensing device - Google Patents

Acoustic sensing device

Info

Publication number
CA952434A
CA952434A CA160,379A CA160379A CA952434A CA 952434 A CA952434 A CA 952434A CA 160379 A CA160379 A CA 160379A CA 952434 A CA952434 A CA 952434A
Authority
CA
Canada
Prior art keywords
sensing device
acoustic sensing
acoustic
sensing
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
CA160,379A
Other versions
CA160379S (en
Inventor
Robert F. O'keefe
Basil B. Beeken
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.)
Automatic Switch Co
Original Assignee
Automatic Switch Co
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 Automatic Switch Co filed Critical Automatic Switch Co
Priority to CA160,379A priority Critical patent/CA952434A/en
Application granted granted Critical
Publication of CA952434A publication Critical patent/CA952434A/en
Expired legal-status Critical Current

Links

CA160,379A 1973-01-02 1973-01-02 Acoustic sensing device Expired CA952434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA160,379A CA952434A (en) 1973-01-02 1973-01-02 Acoustic sensing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA160,379A CA952434A (en) 1973-01-02 1973-01-02 Acoustic sensing device

Publications (1)

Publication Number Publication Date
CA952434A true CA952434A (en) 1974-08-06

Family

ID=4095446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,379A Expired CA952434A (en) 1973-01-02 1973-01-02 Acoustic sensing device

Country Status (1)

Country Link
CA (1) CA952434A (en)

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