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    • 32. 发明专利
    • ELECTROMAGNETIC RELAY
    • JP2000123703A
    • 2000-04-28
    • JP29490798
    • 1998-10-16
    • NEC CORP
    • SAITO MASAHISA
    • H01H50/56H01H50/60H01H51/22H01H51/24
    • PROBLEM TO BE SOLVED: To stabilize closing and opening operating characteristic of an electromagnetic relay, and to suppress impedance drop of transmission line, and to improve high frequency characteristic of the transmission line. SOLUTION: An electromagnetic relay is provide with a plurality of movable spring sections supported by a spring fixing section 24 and an armature 36 which is rocked like a seesaw by an electromagnet block to press a contact plate spring of each movable spring section to a relay board. Each movable spring section is made up of make contact plate spring 21 and break contact plate spring 22, of which a signal contact is provided at one end, ground contact plate springs 23, 23' of which ground contacts 23a, 23a' are provided at one end, and a spring connection section 50 which connects the contact plate springs 21, 22 with the contact plate springs 23, 23' and are formed thinly than the contact plate springs 21, 22, 23, 23'. Each movable spring section and the armature 36 are arranged so that each torque adapted to act on the armature 36 by bounce of each of the contact plate springs 21, 22, 23, 23' when each of the contact plate springs 21, 22, 23, 23' is pressed to the relay board is canceled.
    • 33. 发明专利
    • SWITCH USING ROCKER TO BE MAGNETIZED
    • JPH11340703A
    • 1999-12-10
    • JP9250599
    • 1999-03-31
    • KMW CO LTD
    • KIM DUK YONGLEE DONG HWI
    • H01P1/11H01H36/00H01H50/64H01H51/22H01P1/12
    • PROBLEM TO BE SOLVED: To minimize frictional force generated during switching operation, and to improve the reliability of the operation with low power consumption by providing a pressurizing means for generating 76 pressure by the rotation of a rocker and a a contact means to be brought into contact with a connector by the pressure of the pressurizing means. SOLUTION: A rocker 5 is mounted on a base cover 6. This rocker 5 is seesaw moved(rotated) around a rocker pin 5a at a prescribed angle. The rocker 5 is magnetized so as to be provided with S/N/S polarity by an attached permanent magnet 4. Then, S polarity is generated at the lower part of a first solenoid 1 according to this. At that time, the left side part of the rocker 5 has S polarity, and the first solenoid 1 pushes down the left side part of the rocker 5. Therefore, the right side part of the rocker 5 is brought into contact with the lower stage part of a second core 2a. In this case, the inclined state of the rocker 5 is maintained by an attracting force generated between the first solenoid 1 and the permanent magnet 4.