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US 4,658,182 AGranted
Image pick-up tube
AssigneeSony Corporation
InventorShoji Araki
Life of this patent
Estimating the term…
Abstract
An image pick-up tube is disclosed which includes an envelope, an electron beam source positioned at one end of the envelope, a target positioned at another end of the envelope opposite to the electron beam source and at least one electrostatic lens positioned between the electron beam source and the target. The lens includes a first electrode and a second electrode respectively deposited on the inner surface of the envelope and a lead electrode connected to the second electrode is deposited on the inner surface of the envelope across the first electrode but isolated therefrom.
Claims4
Image pick-up tube comprising:
- (a) an envelope;
- (b) an electron beam source positioned at one end of said envelope;
- (c) a target positioned at another end of said envelope opposite to said electron beam source;
- and
- (d) at least one electrostatic lens means positioned between said electron beam source and said target, said lens means comprising a first electrode and a second electrode respectively deposited on the inner surface of said envelope, an electrode lead connected to said second electrode deposited on the inner surface of said envelope and extending across said first electrode but electrically isolated therefrom.
2 more elements
Dependencies are inferred from the claim text.