Patents by Inventor Hogara Nagashima

Hogara Nagashima 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).

  • Patent number: 5448320
    Abstract: A automatic surveillance camera equipment contains an infrared ray detecting sensor having a plurality of sensing zones and for detecting an intruder within a watching area and transmitting its signal to a control device, a control device for sending a command signal to a camera unit in response to the signal from the infrared ray detecting sensor, a camera unit for supplying a response signal to a camera in response to the command signal from the control device, a camera for synchronizing a strobe and a camera shutter each other by the response signal from the camera unit, automatically shooting, and automatically rewinding a film simultaneously together in a protective case, and is intended to perform photography of an intruder on each of the sensing zones of the infrared sensor when the intruder enters the watching area. An alarm system is directly communicated to the outside through a telephone line to transmit a signal.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: September 5, 1995
    Assignee: NGK Insulators, Ltd.
    Inventors: Yoshikazu Sakai, Hogara Nagashima, Masahiko Amaike, Hisao Nagashima