Oscillatory circuit for electro-acoustic converter, with starting means operating at the ultrasonic mechanised resonant frequency of the converter: Shoh, A., and Wilkens, H.J. USA Patent 3, 469, 210 (23 September 1969) (Filed 16 October 1967) (2313)

• Book ID: 107866295
• Publisher: Elsevier Science
• Year: 1970
• Tongue: English
• Weight: 159 KB
• Volume: 8
• Category: Article
• ISSN: 0041-624X
• DOI: 10.1016/0041-624x(70)91172-8