Abstract: A camera having a display device for displaying a body number of the camera is arranged to store identification information peculiar to the camera such as the body number, etc. in a rewritable memory and to display the identification information by reading it out from the memory.

Abstract: A camera includes a motorized film winding mechanism, a motorized film rewinding mechanism, a winding control circuit with two selectable modes, in one of which every frame of the film is exposed and in the other the film is wound with a frame left unexposed, a memory for memorizing the position of the unexposed frame when the second winding mode is selected, a rewinding control circuit with two selectable modes, in one of which the film is continuously rewound and in the other the film is stopped with the unexposed frame in registry with the exposure aperture, a first selecting circuit for selecting the second winding mode and a second selecting circuit for causing the rewinding control circuit to operate in the second rewinding mode when the second winding mode has been selected.

Abstract: A camera has an exposure compensation information setting operation member for manually setting an exposure compensation value in which even if the release operation member lies in an inoperative state when the exposure compensation value is set by the setting operation member, the light measuring, computing and displaying operations are caused to be performed in response to an operation of the setting operation member, thereby making it possible to confirm the variation of the computer value based on the set compensation value.

Abstract: A display device is provided for automatic exposure bracketing. In particular, a display is provided for each exposure value for all frames to be used in the automatic exposure bracketing and the exposure compensation value set by an exposure compensation value setting circuit using the same indicator. When performing the above-described display, the set compensation value is displayed as the exposure value of one frame for automatic exposure bracketing, and the exposure values of the other frames are displayed in correlation as the amounts of deviation from that compensation value.

Abstract: A switch data input device includes a plurality of switches, an interrupt signal generating circuit responsive to on and off states of the respective switches for producing an interrupt signal having a prescribed pulse width, and a data processing circuit receptive of the interrupt signal and responsive to presence of the interrupt signal for reading the on and off states of the respective switches as data and having a program for executing a processing according to the read data, wherein after the completion of execution of the data reading and data processing, the data processing circuit comes into a waiting state.

Abstract: A voltage adjusting apparatus which may be used in a camera. Digital signals from a data setting member are directed by a central processing unit to a random access memory and from there to a digital to analog converter. The output of the converter and a reference voltage are processed in an operational amplifier to produce an output voltage. If the output voltage is not within a desired range, new signals are supplied from the data setting member.

Abstract: A light measuring circuit, consisting of an amplifying circuit amplifying the output of a photoelectric conversion element, is arranged to detect the occurrence of a low frequency component in the output of the photoelectric conversion element that comes to exceed a given level and, upon detection of that, to bypass the output of the photoelectric conversion element to prevent the output of the amplifying circuit from being saturated by a DC light (external or ambient light).

Abstract: This invention relates to an information read-in device for reading in photographic informations from a film container or the like.The invention has made it possible for the aforesaid type of read-in device to always accurately read in informations by carrying out the reading of photographic informations in a prescribed time from the closure of the back cover of the camera.