CA519695A - Microphone a differentiel de second ordre - Google Patents

Microphone a differentiel de second ordre

Info

Publication number
CA519695A
CA519695A CA519695A CA519695DA CA519695A CA 519695 A CA519695 A CA 519695A CA 519695 A CA519695 A CA 519695A CA 519695D A CA519695D A CA 519695DA CA 519695 A CA519695 A CA 519695A
Authority
CA
Canada
Prior art keywords
order differential
differential microphone
microphone
order
differential
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
CA519695A
Other languages
English (en)
Inventor
M. Wiggins Alpha
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.)
Bosch Security Systems Inc
Original Assignee
Electro Voice Inc
Publication date
Application granted granted Critical
Publication of CA519695A publication Critical patent/CA519695A/fr
Expired legal-status Critical Current

Links

CA519695A Microphone a differentiel de second ordre Expired CA519695A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA519695T

Publications (1)

Publication Number Publication Date
CA519695A true CA519695A (fr) 1955-12-20

Family

ID=35672903

Family Applications (1)

Application Number Title Priority Date Filing Date
CA519695A Expired CA519695A (fr) Microphone a differentiel de second ordre

Country Status (1)

Country Link
CA (1) CA519695A (fr)

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