• All sections
• G - Physics
• G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
• G03B 7/04 - Control effected by hand adjustment of a member that senses indication of a pointer of a built-in light-sensitive device, e.g. by restoring pointer to a fixed associated reference mark

Patent holdings for IPC class G03B 7/04

Total number of patents in this class: 9

10-year publication summary

Principal owners for this class