KEY ENTRY DEVICE
    1.
    发明申请
    KEY ENTRY DEVICE 审中-公开

    公开(公告)号:US20200334422A1

    公开(公告)日:2020-10-22

    申请号:US16921550

    申请日:2020-07-06

    申请人: VeriFone, Inc.

    摘要: A key entry device including a housing, a keypad array disposed within the housing and including a plurality of keys, a key contact array disposed within the housing below the keypad array and including a plurality of contact pairs, a dome array underlying the keypad array and the key contact array and including a plurality of domes, and a protrusion array underlying the dome array and including a plurality of protrusions, whereby depression of one of the plurality of keys of the keypad array causes a corresponding one of the domes of the dome array to be displaced downwardly and to be deformed by pushing engagement with a corresponding one of the protrusions of the protrusion array into contact with at least one of the contact pairs of the key contact array.

    KEY ENTRY DEVICE
    3.
    发明申请

    公开(公告)号:US20210326540A1

    公开(公告)日:2021-10-21

    申请号:US17361160

    申请日:2021-06-28

    申请人: VeriFone, Inc.

    摘要: A key entry device including a housing, a keypad array disposed within the housing and including a plurality of keys, a key contact array disposed within the housing below the keypad array and including a plurality of contact pairs, a dome array underlying the keypad array and the key contact array and including a plurality of domes, and a protrusion array underlying the dome array and including a plurality of protrusions, whereby depression of one of the plurality of keys of the keypad array causes a corresponding one of the domes of the dome array to be displaced downwardly and to be deformed by pushing engagement with a corresponding one of the protrusions of the protrusion array into contact with at least one of the contact pairs of the key contact array.