CA822821A - Directional electret transducer - Google Patents
Directional electret transducerInfo
- Publication number
- CA822821A CA822821A CA822821A CA822821DA CA822821A CA 822821 A CA822821 A CA 822821A CA 822821 A CA822821 A CA 822821A CA 822821D A CA822821D A CA 822821DA CA 822821 A CA822821 A CA 822821A
- Authority
- CA
- Canada
- Prior art keywords
- electret transducer
- directional electret
- directional
- transducer
- electret
- 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 |
---|---|---|---|
CA822821T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA822821A true CA822821A (en) | 1969-09-09 |
Family
ID=36300233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA822821A Expired CA822821A (en) | Directional electret transducer |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA822821A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3668417A (en) * | 1970-12-28 | 1972-06-06 | Bell Telephone Labor Inc | Touch-sensitive switch employing electret foil |
-
0
- CA CA822821A patent/CA822821A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3668417A (en) * | 1970-12-28 | 1972-06-06 | Bell Telephone Labor Inc | Touch-sensitive switch employing electret foil |
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