Projection tube having different neck diameters

Details Projection tube having different neck diameters Projection tube having different neck diameters

2006-02-14

2006-02-14

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Envelope

Reexamination Certificate

active

06998767

ABSTRACT:
A projection tube having a high focusing performance at a low deflection power includes a funnel, a neck portion and a stem portion which seals the neck portion. The neck portion of the projection tube includes a first neck portion which is connected to the funnel and has a first neck outer diameter, and also includes a second neck portion which accommodates an electron gun and has a second neck outer diameter which is larger than the first neck outer diameter.

REFERENCES:
patent: 2250622 (1941-07-01), Bowie
patent: 3163794 (1964-12-01), Bloomsburgh
patent: 3840773 (1974-10-01), Hart
patent: 4485329 (1984-11-01), Donofrio et al.
patent: 5777430 (1998-07-01), Ueda et al.
patent: 5909079 (1999-06-01), Uchida et al.
patent: 5994830 (1999-11-01), Nose et al.
patent: 6031326 (2000-02-01), Suzuki et al.
patent: 6133685 (2000-10-01), Konda et al.
patent: 6271625 (2001-08-01), Van Engelshoven et al.
patent: 6404119 (2002-06-01), Hidaka et al.
patent: 6717347 (2004-04-01), Kubosaka et al.
patent: 6750602 (2004-06-01), Hirota et al.
patent: 2003/0038583 (2003-02-01), Suzuki et al.
patent: 2004/0027043 (2004-02-01), Saitou et al.

Affiliated with

Also associated with

Rating

Projection tube having different neck diameters does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Projection tube having different neck diameters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Projection tube having different neck diameters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3637594