| 摘要 |
<p>1,045,768. Mounting transistors in circuit assemblies. E. HEY. May 19, 1965 [May 27, 1964], No. 21862/64. Headings H1K and H1R. A plate 11 is separated by spacers 10 from aluminium plate 4 to give a cooling duct. A power transistor 9, printed circuit-board 6 and potentiometer 7 are mounted on plate 4 in the wall 3 of a record-player cabinet.</p> |
