An exposure control system of the type embodying scanning type shutter blades includes two separate sets of photocell sweep secondary apertures in the shutter blades together with a single photoresponsive element wherein each set of secondary apertures may be controlled independently of the other set to admit scene light to the photoresponsive element in correspondence with the scene light admitte...

The invention relates to a photographic film box (box camera) fitted with a lens (objective). It relates to a film box which includes a lens (4) and a shutter (35) which can be actuated from the outside. According to the invention, a photographic film cartridge (loader) (20) of the normal type is placed in a chamber (12) and the film is unwound so that it forms a roll (23) in another chamber (11),...

PURPOSE:To automate the adjustment of an image position for the overlay of a image and paper by reading out plural images on an original placing plate independently, synthesizing and recording the images on a sheet of recording paper and adjusting the synthesizing position in each image. CONSTITUTION:Two originals A, B are set up on an original placing plate glass 34 and a paging key 103 and a mod...

PURPOSE:To obviate turning of the discharge direction of copies after completion of stapling with respect to a conveying direction by feeding the copy groups subjected to stacking in the stacking position by the prescribed extent corresponding to the copy size in the discharge direction then catching the part near the front end of the copy groups and stapling the copies. CONSTITUTION:The copies di...

A complementer for floating point binary numbers utilizes two digital logic decision rules selected by the value of the power of the input number. The first decision rule is selected for an input power of -1 and constructs a power and mantissa determined by the binary sequence form of the input mantissa. The second decision rule is selected for input powers less than -1 and constructs a mantissa d...

A device for protection against power failures, having a programmable current source with two levels, which are controlled by a threshold detector, the current from the source being large at high voltages and reduced at low voltages.

PURPOSE:To facilitate bargain calculation by successively displaying a symbol every time the price, weight, etc., of an article is inputted, and thus letting a user know the items inputted by this operation. CONSTITUTION:When the weight Q1 of an article 1 is inputted, a symbol Q1 turns on and when the price Yen1 of the article 1 is inputted, a symbol Yen1 turns on. Further, when the weight Q2 and ...

PURPOSE:To confirm the loss of a checkbook or the issue of a check due to the third person, by reading the number of the check to be issued next and the balance after the issue of the check when the check is issued. CONSTITUTION:The system of a computer exclude for checkbooks consists of a unit 1 consisting of an LSI for operation, storage, and control, a key unit 2, and a display unit 3. The amou...