Patents Assigned to Oi Electric Co., Ltd.
  • Patent number: 6041924
    Abstract: Although this water-resistant case covers the entire body of a portable receiver, it does not decrease the sound effect of a buzzer from the receiver. The case also offers the same water-proof effect as the prior product. It is a water-resistant portable receiver case that prevents any water from getting into the portable receiver. The characteristics of the subject case is that, it has a display window positioned to match that of the display light on the aforementioned portable receiver, a hole tightly closed with a seal capable of letting the air to get through but not a drop of water positioned to match the buzzer of the aforementioned receiver, and a button to push the switch on the aforementioned receiver from the outside.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: March 28, 2000
    Assignee: Oi Electric Co., Ltd.
    Inventor: Kazuaki Tajima
  • Patent number: 5850915
    Abstract: Although this water-resistant case covers the entire body of a portable receiver, it does not decrease the sound effect of a buzzer from the receiver. The case also offers the same water-proof effect as the prior product. It is a water-resistant portable receiver case that prevents any water from getting into the portable receiver. The characteristics of the subject case is that, it has a display window positioned to match that of the display light on the aforementioned portable receiver, a hole tightly closed with a seal capable of letting the air to get through but not a drop of water positioned to match the buzzer of the aforementioned receiver, and a button to push the switch on the aforementioned receiver from the outside.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: December 22, 1998
    Assignee: Oi Electric Co., Ltd.
    Inventor: Kazuaki Tajima
  • Patent number: 5713466
    Abstract: Although this water-resistant case covers the entire body of a portable receiver, it does not decrease the sound effect of a buzzer from the receiver. The case also offers the same water-proof effect as the prior product. It is a water-resistant portable receiver case that prevents any water from getting into the portable receiver. The characteristics of the subject case is that, it has a display window positioned to match that of the display light on the aforementioned portable receiver, a hole tightly closed with a seal capable of letting the air to get through but not a drop of water positioned to match the buzzer of the aforementioned receiver, and a button to push the switch on the aforementioned receiver from the outside.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: February 3, 1998
    Assignee: Oi Electric Co., Ltd.
    Inventor: Kazuaki Tajima
  • Patent number: D367653
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: March 5, 1996
    Assignee: Oi Electric Co., Ltd.
    Inventor: Kazuaki Tajima