Camera provided with a mechanism for detecting the film speed of a film

A camera into which a magazine containing a film therein and provided with means indicative of information concerning the film speed of the film can be loaded, said camera including:

• (a) means for detecting the film speed of said film on the basis of said information when said magazine is loaded into said camera and producing a first film speed signal indicative of said detected film speed;
• (b) memory means for storing said first film speed signal before said magazine is removed from said camera and producing said stored first film speed signal as a second film speed signal;
• and
• (c) means for comparing said first and second film speed signals.

A camera into which a magazine containing film therein and provided with means indicative of information concerning the film speed of the film can be loaded, said camera including:

• (a) means for detecting the film speed of said film on the basis of said information when said magazine is loaded into said camera and producing a first film speed signal indicative of said detected film speed;
• (b) means for manually setting the film speed of said film and producing a second film speed signal indicative of said set film speed of said film;
• (c) means for detecting the difference between the film speeds of said film indicated by said first and second film speeds signals and producing a warning signal in response to the presence of said difference between the film speeds of said film indicated by said first and second film speed signals;
• (d) warning means operable in response to said warning signal;
• (e) means for electrically driven means for drawing out the film from said loaded magazine;
• and
• (f) means for hindering said warning means from warning in response to the draw-out of a predetermined amount of film from said magazine regardless of the production of said warning signal.