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    • 2. 发明授权
    • Reset system for telephone answering machine in the event of a power
failure
    • 在电源故障的情况下重新设置电话应答机系统
    • US4731815A
    • 1988-03-15
    • US867196
    • 1986-05-28
    • Bradford E. HanscomGerald L. Mock
    • Bradford E. HanscomGerald L. Mock
    • H04M1/65
    • H04M1/6515
    • A reset system for a telephone answering machine which, in the event of power failure, or disconnection from the power source, will reset the telephone answering machine when power is restored to the condition it was in prior to the power failure. The system is applicable to both single tape machines in which the outgoing announcement and incoming messages are all recorded on one magnetic tape, and dual tape machines in which the outgoing announcements are recorded on one magnetic tape and the incoming messages are recorded on a second magnetic tape. The system of the invention serves to determine whether there were incoming messages on the incoming message tape when the power failed and if so, the end of the last recorded incoming message is located so that when power is restored the incoming message tape can be set to the same position it was in when power was lost.
    • 一种用于电话应答机的复位系统,在电源故障或电源断开的情况下,当电源恢复到电源故障之前的状态时,将重置电话应答机。 该系统适用于单个磁带机,其中发出通知和传入消息都记录在一个磁带上,双磁带机在其中将传出通知记录在一个磁带上,并且传入的消息被记录在第二个磁盘上 胶带。 本发明的系统用于确定当电力故障时在输入消息磁带上是否存在传入消息,如果是,则最后记录的进入消息的结束被定位成使得当电力恢复时,输入消息磁带可以被设置为 同样的位置在权力丧失的时候。
    • 4. 发明授权
    • Tape head control arrangement
    • 磁带头控制布置
    • US4198544A
    • 1980-04-15
    • US850419
    • 1977-11-10
    • Neal J. Buglewicz
    • Neal J. Buglewicz
    • H04M1/65H04M1/64G11B5/55G11B21/08
    • H04M1/6515
    • A tape head control arrangement for a telephone answering machine. The outgoing message is recorded on the first track of a recirculating multi-track tape. The record-playback tape head is movable over the plurality of available tracks on the tape. Movement of the tape head is controlled by a cam connected to a rachet which is rotated by a solenoid in discrete steps, each step corresponding to movement of the tape head to the next available track. When no incoming calls have been received the tape head is positioned at track two of the tape in a standby mode of operation. When the first incoming call is received the solenoid is automatically actuated and a control arrangement moves the tape head to the first track to play the outgoing message. At the conclusion of the outgoing message corresponding to a complete circuit of the tape the solenoid is deactivated and the cam allows movement of the tape head back to the second track for the record mode of operation. On each succeeding call the tape head control always moves the tapehead first to the number one track to play the outgoing message and the cam control allows the tape to move sequentially to the next unused track. When all available tracks have been used a disable mechanism renders the arrangement non-responsive to further incoming calls.
    • 一种用于电话应答机的磁带头控制装置。 传出的消息被记录在循环多轨道磁带的第一轨道上。 记录回放磁带头可在磁带上的多个可用磁道上移动。 带头的移动由连接到由离散步骤的螺线管旋转的rachet的凸轮控制,每个步骤对应于磁带头移动到下一个可用轨道。 当没有接收到呼入时,磁带头位于磁带的轨道2处于备用操作模式。 当接收到第一个来电时,螺线管被自动启动,并且控制装置将磁带头移动到第一轨道以播放输出消息。 在对应于磁带的完整电路的传出消息结束时,螺线管被停用,并且凸轮允许磁带头移动到第二磁道以用于记录操作模式。 在每个后续呼叫中,磁头控制器始终将磁头头首先移动到第一个磁道以播放传出的消息,并且凸轮控制允许磁带顺序地移动到下一个未使用的磁道。 当所有可用的轨道都被使用时,禁用机制使安排不响应进一步的进入呼叫。
    • 7. 发明授权
    • Telephone answering device
    • 电话答复设备
    • US3833186A
    • 1974-09-03
    • US30897072
    • 1972-11-24
    • DATA TIME
    • CATTO KBURT H
    • H04M1/65G03B1/04
    • H04M1/6515
    • A direct coupled telephone answering device having an announcement deck for recording and reproducing an announcement in response to an incoming call and a message deck for recording and reproducing incoming messages. Forward and reverse tape motion for both decks is provided by a single flywheel and a simple system of drive belts. All rotating reels are mounted for free rotation on fixed spindles. Hubs in these wheels, which preferably are formed of plastic, comprise bearings which ride on such spindles, promoting uniform bearing wear even with substantial side-loading on the wheels. A single syllabic detector coupled to an announcement time-out circuit and a message time-out circuit provides control signals for various switching functions at predetermined time periods after termination of the announcement and message, thus affording a broad variable timing cycle for both the announcement deck and the message deck. Circuitry is provided for individually varying the durations of the time periods.
    • 一种直接耦合电话应答装置,具有用于响应于来话呼叫记录和再现通知的通知卡,以及用于记录和再现传入消息的消息卡。 两个甲板的正向和反向带运动由单个飞轮和简单的传动带系统提供。 所有旋转卷轴都安装在固定主轴上自由旋转。 这些车轮中优选由塑料形成的轮毂包括骑在这种主轴上的轴承,即使在车轮上具有大量的侧向加载也能促进均匀的轴承磨损。 耦合到通知超时电路和消息超时电路的单个音节检测器在通知和消息终止之后的预定时间段提供用于各种切换功能的控制信号,从而为公告卡片 和消息甲板。 提供电路以单独改变时间段的持续时间。