单词 | electron camera |
释义 | > as lemmaselectron camera electron camera n. a camera employing electron beams; spec. a television camera that converts an optical image directly into an electrical signal. ΚΠ 1930 G. P. Thomson & C. G. Fraser in Proc. Royal Soc. A. 128 641 The apparatus described in this paper, which will be called for shortness an electron camera, is intended to study the diffraction patterns formed by the reflection of cathode rays from crystalline surfaces. 1937 Discovery Nov. 329/1 The electron camera at the transmitter, with a cathode-ray tube at the receiving end. 1999 Jrnl. Nucl. Med. 40 868/1 This ‘electron camera’ is a serious rival to existing autoradiographic techniques. < as lemmas |
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