Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalToshiba Corp
Priority to JP50113768ApriorityCriticalpatent/JPS5238820A/en
Publication of JPS5238820ApublicationCriticalpatent/JPS5238820A/en
PURPOSE: To improve the resoltuion by making the electronic beam focus operating signal to the specified level by bias light, by comparing this signal with the reference level signal, and by controlling the focus of electronic beam.
COPYRIGHT: (C)1977,JPO&Japio
JP50113768A1975-09-221975-09-22Television camera unit
PendingJPS5238820A
(en)