Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method and apparatus for preventing unauthorized recycling of single-use camera and permitting authorized reuse of the camera










Image Number 4 for United States Patent #5418585.

When an exposure counter in a single-use camera indicates that the maximum number of exposures on a roll of film in the camera have been exposed, a function of the camera such as an electronic flash capability is disabled to prevent unauthorized recycling of the camera. A reset code must be inputted to the camera to initialize the exposure counter and to enable the electronic flash capability, to permit authorized reuse of the camera with another roll of film.








 
 
  Recently Added Patents
Method and apparatus for disease diagnosis and screening using extremely low frequency electromagnetic fields
Method of manufacturing nitride semiconductor and nitride semiconductor element
Methods for determining decoding order in a MIMO system with successive interference cancellation
Modification of an object replica
Identification of websites that break out of frames
Hardware/software debugging using memory access parameters
Adaptive known signal canceller
  Randomly Featured Patents
Signal transmitting system
Page by page programmable flash memory
Packet-switched communications network for efficiently switching non-burst signals
Radiation lamp and radiation source module incorporating same
Inner tube assembly for run-flat tires
Waveguide amplifier in a sputtered film of erbium-doped gallium lanthanum sulfide glass
Method and circuit for achieving frequency conversion
Free-flowing, non-dusting water dispersible granules having low friability and superior crush strength which are capable of forming stable suspensions in water without deleterious foaming
Hospital cabinet
Inductive magnetic saturation displacement sensor