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
(4929
Pre-sealing unit for wire-cut electric discharge machine
Charged particle cancer therapy beam path control method and apparatus
Techniques for distributed storage aggregation
Oxidative coupling of hydrocarbons as heat source
Instrumenting configuration and system settings
Interactivity model for shared feedback on mobile devices
  Randomly Featured Patents
Opening mechanism of slide assembly
Metal halide lamp comprising an ionisable salt filling
Power inverter having three or more parallel driven PWM-type power inverting units
Shoelace holder
Liquid ejection device
Transportation apparatus and tension adjustment method of belt in the same
Differential operational amplifier circuit correcting settling error for use in pipelined A/D converter
Spectrometer slit switching mechanism
Processes for producing lactic acid using yeast transformed with a gene encoding lactate dehydrogenase
Semi-permanent portable satellite antenna system