Patents by Inventor Sheng J. Wu

Sheng J. Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic postal teller machine
    Patent number: 5313404
    Abstract: An automatic postal teller machine capable of automatically performing the postal operation in an unmanned condition, the operation procedure thereof including auto-conveying, auto-weighing, auto-postage calculation, auto-fast postal stamp adjusting, auto-money identification, auto-money receiving, auto-money coin changing, auto-stamping, auto-mail classification, auto-ZIP code printing and auto-data recording, wherein by means of commands of a microcomputer, whole mail-processing operation of each mail can be completed in about several seconds.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: May 17, 1994
    Inventor: Sheng J. Wu
  • Automatic mail-processing device with full functions
    Patent number: 5272640
    Abstract: An automatic mail-processing device with full functions, which can be operated by only one postal clerk, and wherein by means of a microprocessor, all kinds of delivery types and additional service types such as registered special, insured, attested and express types of various individual letters or bulk mailings are included and functions of automatical weighing, postage calculation, charging, postage stamping (or postage note stamping), postage receipt printing, register receipt printing, and regular daily, weekly or monthly income list printing are performed.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: December 21, 1993
    Inventor: Sheng J. Wu
  • Print wheel setting mechanism
    Patent number: 5050495
    Abstract: An improved digital mark-printer operated under control of a microprocessor and control program. A main shaft including a printing head with a plurality of numeral wheels is driven by drive circuits and the position of the shaft and wheels are sensed by sensor circuits, all under control of the microprocessor.
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: September 24, 1991
    Inventor: Sheng J. Wu
  • Device for automatically weighing objects in conveyance
    Patent number: 4901808
    Abstract: A device for weighing slender or piece-like objects being conveyed. This device includes a driving means, a fixed stand, a movable stand, a conveyed onto a supporting portion of the movable stand, the movable stand will be lowered thereby putting the object on the weighing scale and enabling the object to be separated from other mechanisms. After the object has been weighed, the movable stand will be restored to its original position and the object will continue to be conveyed. The weighing result can be input to a computer for analysis or control, or the device can be an integral part of a completely automatic operating system.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: February 20, 1990
    Inventor: Sheng J. Wu