TH9739A - Camera equipment To prevent multiple exposures or exposure, the portion of the film is rolled back into the self-propelled film cassette. - Google Patents

Abstract

In cameras (201) for filmstrip exposure (F), which is usually stored in a light-blocking film canister (1), which can be pushed away from the film canister. Which can move from a position that has not been exposed to light To provide a visual indication to show That the filmstrip has not been exposed Go to a partially exposed position to set up a visible indication. To show that the filmstrip has been partially exposed and goes to the exposed position To prepare for the indication Can be seen To show that the film strip has been completely exposed, devices (253, 309) are set up to prevent exposure. The filmstrip light (F), while the status indicator (77) is in the exposed position of itself. And to enable There is exposure in the film strip. While the status indicator is on In a position that has not been exposed to light Or a position that is partially exposed to light

Claims (1)

1. Camera for film strip exposure It is usually stored in a film box that prevents light passing through. The film strip can be manually pushed out of the cassette and has an exposure indicator of the film that can be moved from the underexposed position. To prepare A visible indication to show that the film strip has not been exposed to the exposed position to provide a visible indication to show that the bar is not exposed. Film is exposed film is exposed The camera has a tag: