Title:
Stereotelevision and television range finding
United States Patent 2417446
US Patent References:
/0015040.html
- - 0015040

/0160823.html
- - 0160823

/1148222.html
- - 1148222

Position indicator
- - 1551393

Photographic camera
- - 1826299


Inventors:
William, Reynolds Frederick
Publication Date:
03/18/1947
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
348/42
Other Classes:
359/462, 348/373, 356/9
International Classes:
G01S7/20; G01S7/04
US Patent References:
1711124Indicating means for compass cards
1876272Fog penetrating televisor
2056216System of and apparatus for observation and for range and position finding
2075808Method and apparatus for observing bodies through opaque substances
Foreign References:
GB190429305A
GB191101024A
FR807273A