- photo-electric
detectors by
Theodore Case who
developed the so-called
thalofide (sometimes
spelt thallofide) cell, used in
early film projectors. Case...
-
lenses that
swept images across a
static photocell. The
thallium sulfide (
thalofide) cell,
developed by
Theodore Case in the U.S.,
detected the
light reflected...
- photocell. At this time, it is
believed that it was a
thallium sulfide (
thalofide) cell,
developed by
Theodore Case in the US, that
detected the
light reflected...
- to the
development of the
thalofide (thallium sulfide) cell, a light-sensitive
vacuum tube from 1916 to 1918. The
thalofide cell was
originally used by...
- an
interest in
using modulated light to
record sound. He
created the
thalofide cell, a
sensitive photocell that was
utilized by the U.S. Navy during...
-
lenses that
swept images across a
static photocell. The
thallium sulfide (
thalofide) cell,
developed by
Theodore Case in the USA,
detected the
light reflected...
-
bought from
Elwell a
thallium sulphide (
thalofide) cell,
developed by
Theodore Case in the USA. The
thalofide cell was part of the
important new technology...