Patents by Inventor Shigeharu Komine

Shigeharu Komine 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).

  • Key telephone system for subscribers
    Patent number: 3985959
    Abstract: A key telephone system for subscribers is disclosed which includes at least a plurality of key telephone stations, a subscriber common equipment which connects the key telephone stations to each other and further connects the key telephone stations and an private automatic branch exchange, wherein said subscriber common equipment comprises switching network circuits, a register connecting circuit, line circuits, intra-office circuits, line circuit links, intra-office circuit links and a common controller, whereby each of said key telephone stations is connected to the subscriber common equipment through a pair of speech lines and a few control lines, and further said key telephone station can handle data processing services through said control lines by using a data terminal equipment attached to the key telephone station and a data processing unit by way of said subscriber common equipment.
    Type: Grant
    Filed: September 30, 1975
    Date of Patent: October 12, 1976
    Assignee: Oki Electric Industry Company, Ltd.
    Inventors: Shigeharu Komine, Yoshiaki Tanaka, Shiro Kuzuya
  • Key telephone system for subscribers
    Patent number: RE29884
    Abstract: A key telephone system for subscribers is disclosed which includes at least a plurality of key telephone stations, a subscriber common equipment which connects the key telephone stations to each other and further connects the key telephone stations and an private automatic branch exchange, wherein said subscriber common equipment comprises switching network circuits, a register connecting circuit, line circuits, intra-office circuits, line circuit links, intra-office circuit links and a common controller, whereby each of said key telephone stations is connected to the subscriber common equipment through a pair of speech lines and a few control lines, and further said key telephone station can handle data processing services through said control lines by using a data terminal equipment attached to the key telephone station and a data processing unit by way of said subscriber common equipment.
    Type: Grant
    Filed: February 28, 1978
    Date of Patent: January 16, 1979
    Assignee: Oki Electric Industry Company, Ltd.
    Inventors: Shigeharu Komine, Yoshiaki Tanaka, Shiro Kuzuya