Patents by Inventor Toshiyuki Shiraiwa

Toshiyuki Shiraiwa 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).

  • Multi-operation mode type of security-ensuring apparatus
    Patent number: 4514721
    Abstract: A security-ensuring apparatus capable of operating in an unmanned security-ensuring operation mode, a manned security-ensuring operation mode, or a management operation mode having at least a maintenance mode or a patrol mode, the apparatus having an operation mode-switching unit, an emergency-detecting unit for detecting an emergency or abnormality which has occurred in a predetermined area, and a control unit for permitting transmission of an emergency or abnormality signal to a central monitoring station on the basis of discrimination of the current operation mode of the apparatus.
    Type: Grant
    Filed: June 29, 1983
    Date of Patent: April 30, 1985
    Assignee: Secom Co., Ltd.
    Inventors: Toshiyuki Shiraiwa, Kaoru Ooba