AU2149929A - Electro-optical light-image-microphone - Google Patents
Electro-optical light-image-microphoneInfo
- Publication number
- AU2149929A AU2149929A AU21499/29A AU2149929A AU2149929A AU 2149929 A AU2149929 A AU 2149929A AU 21499/29 A AU21499/29 A AU 21499/29A AU 2149929 A AU2149929 A AU 2149929A AU 2149929 A AU2149929 A AU 2149929A
- Authority
- AU
- Australia
- Prior art keywords
- microphone
- electro
- image
- optical light
- optical
- 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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2149929A true AU2149929A (en) | 1930-06-10 |
Family
ID=
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