• 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 7/24 - Control of exposure by setting shutters, diaphragms or filters, separately or conjointly automatically in accordance with markings or other means indicating film speed or kind of film on the magazine to be inserted in the camera

Patent holdings for IPC class G03B 7/24

Total number of patents in this class: 2

10-year publication summary

Principal owners for this class