Resources Contact Us Home
Exposure control device for a camera

Image Number 18 for United States Patent #4779115.

An exposure control device for flash photography having a first program mode wherein an exposure time is fixed at the flash synchronizable shutter speed and a diaphragm aperture value is changed at a high brightness region according to the brightness of an object to be photographed, and a second program mode or flash photography wherein the diaphragm aperture value and the exposure time within a flash synchronizable shutter speed are changed within a wide range of the brightness of the object to be photographed, and a combination of the diaphragm aperture value and the exposure time gives an exposure predetermined by taking the flash light emission into consideration. The exposure control unit is capable of carrying out the exposure control in the first or second program mode selected by a manually operated mode selecting unit.

  Recently Added Patents
Method for forming a molded component for an item
Method, system and device for treatment of water
Dynamic message templates and messaging macros
Road delineator
Soft-projectile launching device
Pneumatic transport zone exchange system and method
Sensor installations for motorized vehicle doors
  Randomly Featured Patents
Compounds for eliciting or enhancing immune reactivity to HER-2/neu protein for prevention or treatment of malignancies in which the HER-2/neu oncogene is associated
Cheese with calcium lactate crystal inhibitor
Information recording medium, method for recording information, and method for reproduction information
Image forming apparatus and output setting method of consumed status of consumable items of the image forming apparatus
Imaging systems
Method for securing a tube in a passage of a support
Method and apparatus for detecting and locating faults in an AC transmission line using two indicators
Multi-chip module and single-chip module for chips and proximity connectors
Hydroxylamines with hypoglycemic activity
Image processing method