Number | Date | Country | Kind |
---|---|---|---|
3017027 | May 1980 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4111055 | Skidmore | Sep 1978 | |
4121250 | Huelsman | Oct 1978 | |
4206654 | Keller et al. | Jun 1980 | |
4257256 | Yoshikawa | Mar 1981 | |
4258575 | Buchner | Mar 1981 | |
4271842 | Specht et al. | Jun 1981 | |
4373395 | Borburgh et al. | Feb 1983 | |
4381675 | Roberts et al. | May 1983 |
Entry |
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Ken-Ichi Ito et al., "A Real-Time Ultrasonic Diagnostic System for Dynamic and Still Images: Wireless Echovision", New Technology, JEE, Dec. 1977, pp. 20-26 and Contents. |