CA177362A - Differential microphone - Google Patents
Differential microphoneInfo
- Publication number
- CA177362A CA177362A CA000177362A CA177362DA CA177362A CA 177362 A CA177362 A CA 177362A CA 000177362 A CA000177362 A CA 000177362A CA 177362D A CA177362D A CA 177362DA CA 177362 A CA177362 A CA 177362A
- Authority
- CA
- Canada
- Prior art keywords
- differential microphone
- microphone
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA177362T | 1916-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA177362A true CA177362A (en) | 1917-05-29 |
Family
ID=45297015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000177362A Expired CA177362A (en) | 1916-11-15 | 1916-11-15 | Differential microphone |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA177362A (en) |
-
1916
- 1916-11-15 CA CA000177362A patent/CA177362A/en not_active Expired
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