Patent US 3819984A

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Patent number US 3819984A (click link for details and documents via Google Patents)
Title Side-by-side dual gun crt having horizontal deflector plates provided with side shields for correction of geometric distortion
Inventors Ken Hawken
Company Tektronix Inc
Filing date 1973-02-12
Grant date 1974-06-25

Cited By:

Patent Title Inventors Assignee Granted
Patent US 3921025A Dual-beam CRT with vertical trace bowing correction means Conrad Odenthal Tektronix Inc 1975-11-18
Patent US 3983444A Dual beam CRT with inner gun and outer gun shield means for correcting keystone distortion Conrad Odenthal Tektronix Inc 1976-09-28

Related products:

Manufacturer Model Description Introduced Designers
Tektronix 7844 400 MHz dual-beam non-storage mainframe 1974 Murlan Kaufman Chuck Scott Dick Anderson Keith Taylor Bob White Conrad Odenthal Ken Hawken

Related components:

Manufacturer Part Description Designers
Tektronix T7840 dual-beam CRT Conrad Odenthal Ken Hawken


This patent describes the T7840 CRT used in the 7844 scope.