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CA554322A - Crystal microphone - Google Patents

Crystal microphone

Info

Publication number
CA554322A
CA554322A CA554322A CA554322DA CA554322A CA 554322 A CA554322 A CA 554322A CA 554322 A CA554322 A CA 554322A CA 554322D A CA554322D A CA 554322DA CA 554322 A CA554322 A CA 554322A
Authority
CA
Canada
Prior art keywords
crystal microphone
microphone
crystal
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
CA554322A
Other languages
French (fr)
Inventor
J. Clements Roy
J. Loofbourrow Robert
D. Lee Burton
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.)
Texaco Development Corp
Original Assignee
Texaco Development Corp
Publication date
Application granted granted Critical
Publication of CA554322A publication Critical patent/CA554322A/en
Expired legal-status Critical Current

Links

CA554322A Crystal microphone Expired CA554322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA554322T

Publications (1)

Publication Number Publication Date
CA554322A true CA554322A (en) 1958-03-11

Family

ID=35715730

Family Applications (1)

Application Number Title Priority Date Filing Date
CA554322A Expired CA554322A (en) Crystal microphone

Country Status (1)

Country Link
CA (1) CA554322A (en)

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