Light and heat writing pen for photosensitive material

Details Light and heat writing pen for photosensitive material Light and heat writing pen for photosensitive material

1977-10-18

1979-11-27

Bartis, A.

Electric heating

Heating devices

Combined with diverse-type art device

128397, 219216, 219229, 219240, 354105, 362 32, 362118, H05B 100, B43K 2910

Patent

active

041762738

ABSTRACT:
A writing pen for heat developing photoconductive material including a pen having a nib formed of material of high thermal conductivity and pervious to light, for contacting photosensitive heat developing material. The pen has a light source for illuminating the photosensitive material through the pen nib contacting the material, and a heater embedded in the nib for heating the nib portion in contact with photosensitive material. The pen nib may include a light-pervious rotatable ball tip seated in a light-pervious ball receptacle.

REFERENCES:
patent: 439238 (1890-10-01), Faught
patent: 1381194 (1921-06-01), Homan
patent: 1447730 (1923-03-01), Post
patent: 1455842 (1923-05-01), Kelly
patent: 1656690 (1928-01-01), Blackburn
patent: 1744720 (1930-01-01), Blackburn
patent: 1875048 (1932-08-01), Levene
patent: 2368839 (1945-02-01), Jansen
patent: 2533955 (1950-12-01), Pitts
patent: 2598900 (1952-06-01), Frye
patent: 3969606 (1976-07-01), Veach

Affiliated with

Also associated with

Rating

Light and heat writing pen for photosensitive material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light and heat writing pen for photosensitive material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light and heat writing pen for photosensitive material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-803861