Resources Contact Us Home
Preset counter apparatus for copying machines and the like

Image Number 3 for United States Patent #4491827.

The present invention provides a preset counter apparatus for a copying machine wherein input keys are capable of independently controlling the numerical value of the number of copies to be made and displayed. Thus, an operator can activate one key to change the digit positions of units and another key to change the digit position of tens. The control of the number of copies to be made is specifically designed to facilitate operator use and to avoid operator errors. Simultaneous activation of more than one key prevents any change in any values in both the units and tens positions.

  Recently Added Patents
Time domain reflectometry step to S-parameter conversion
System and method for integrating knowledge engines in a cloud computing environment
Stable pharmaceutical composition and methods of using same
Display apparatus and method of driving the same
Method of light dispersion and preferential scattering of certain wavelengths of light for light-emitting diodes and bulbs constructed therefrom
Decorative paper towel holder
Attachment of rich content to a unified message left as a voicemail
  Randomly Featured Patents
Gear train
Rotary cutting mechanism
Identification of friend from foe device
High-resolution radiography by means of a hodoscope
Reflective extreme ultraviolet mask
Hopper feed regulating apparatus
Tube-type vessel and method of joining the tubes to the tubesheets in such vessels
Crosslinkable composition comprising modified aminoepoxy resins - II
Folding picture puzzle
Apparatus and method for laser welding