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1. 发明授权

US4400581A Incoming audio detection circuit for a speaker telephone 失效
标题翻译：用于扬声器电话的进入音频检测电路
公开(公告)号：US4400581A
公开(公告)日：1983-08-23
申请号：US203353
申请日：1980-11-03
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M9/10 , H04M1/60
CPC分类号： H04M9/10
摘要： In this incoming audio detection circuit for a speaker telephone, an impedance element is connected between the output of the microphone amplifier and the telephone line terminals. Speech signals present at each end of the impedance element are respectively rectified but not filtered. The resultant rectified but unfiltered signals are compared. If only outgoing speech is present, the rectified signal derived from the microphone amplifier end of the impendance element will be of greater magnitude than, and will have a greater phase angle extent than the rectified signal derived from the telephone line end of the impedance element. A comparator senses this condition and maintains the speaker telephone in the outgoing audio mode. In the presence of incoming speech, instants will occur when the magnitude of the rectified signal derived from the telephone line exceeds that of the rectified signal derived from the microphone amplifier. In response to this condition, the comparator causes the speaker telephone immediately to switch to the mode in which incoming speech is reproduced by a loudspeaker.
摘要翻译：在这种用于扬声器电话的输入音频检测电路中，阻抗元件连接在麦克风放大器的输出端和电话线终端之间。存在于阻抗元件的每一端的语音信号分别被整流而不被滤波。比较所得到的整流但未滤波的信号。如果仅存在传出语音，则从阻抗元件的麦克风放大器端导出的整流信号将比来自阻抗元件的电话线端的整流信号具有更大的幅度，并具有更大的相位角度。比较器感测到这种情况，并将扬声器电话保持在输出音频模式。在存在进入语音的情况下，当从电话线路导出的整流信号的大小超过从麦克风放大器得到的整流信号的幅度时，会出现时刻。响应于这种情况，比较器使得扬声器电话立即切换到由扬声器再现传入语音的模式。

2. 发明授权

US4390752A Ring detection circuit for a telephone answering device 失效
标题翻译：用于电话应答设备的振铃检测电路
公开(公告)号：US4390752A
公开(公告)日：1983-06-28
申请号：US211241
申请日：1980-11-28
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/654 , H04M1/64
CPC分类号： H04M1/654
摘要： A ring responsive circuit useful with a telephone answering device employs a single low inductance transformer both to couple audio to the telephone line and in the ring responsive circuit. A voltage doubler and neon bulb effectively capacitively couple the transformer primary to the telephone line. When a ring signal occurs, the doubled voltage fires the neon bulb on alternate half cycles of the ring signal. The resultant fast rise time current transients contain high frequency components that are coupled by the same transformer to the secondary. There, they repetitively momentarily turn on a transistor, as a result of which a bistable circuit is latched on. When on, the latch circuit connects dc power to the motor, amplifiers and other circuitry of the telephone answering device, and to the coil of a relay the contacts of which shunt the voltage doubler circuit and directly connect the transformer primary to the telephone line so as to seize the line and begin the answering cycle.
摘要翻译：与电话应答设备有用的环形响应电路采用单个低电感变压器来将音频耦合到电话线路和环形响应电路。电压倍增器和氖灯有效地将变压器初级耦合到电话线。当发生振铃信号时，双倍电压在环形信号的交替半周期内触发氖灯。所产生的快速上升时间电流瞬变包含通过相同的变压器耦合到次级的高频分量。在那里，它们重复地立刻打开晶体管，结果双稳态电路被锁存。当开启时，锁存电路将直流电源连接到电话应答设备的电动机，放大器和其他电路，以及继电器的线圈，其触点分流倍压电路，并将变压器初级直接连接到电话线抓住线路并开始应答周期。

3. 发明授权

US4426554A Tape drive transfer system for cassette telephone answering device with remote controlled playout 失效
标题翻译：带遥控播放的盒式电话应答设备的磁带驱动器传输系统
公开(公告)号：US4426554A
公开(公告)日：1984-01-17
申请号：US343728
申请日：1982-01-29
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/652 , H04M1/64
CPC分类号： H04M1/652
摘要： In a magnetic tape cassette telephone answering device having a remote controlled playout capability, a tape drive transfer system is disclosed which utilizes motive power from the tape cassette drive motor to transfer the system into an automatic rewind mode.The tape drive transfer system includes a transfer lever connected to a spindle drive assembly which alternately drives the takeup spindle or the source spindle of the incoming message tape cassette. The transfer lever is moved into driven engagement with the cassette drive motor by a low power solenoid that is actuated when a remote playout control signal is received. That motor drives the transfer lever and thereby conditions the spindle drive assembly from the forward to the rewind operating position. The transfer lever then is disengaged and latched. When the rewind is complete, the solenoid is deactuated. This releases the transfer lever from its latched position and permits the transfer lever and spindle drive assembly lever to be biased back to the normal forward position in preparation for playout of the previously recorded messages.A remote controlled fast forward option is available, by using a spindle drive assembly with a transferrable drive gear that is mounted on a pivotable floating arm. Fast forward operation is accomplished by first conditioning the tape drive transfer system to the rewind position and thereafter reversing direction of the cassette drive motor. This reverses the direction of the transferable drive gear, which by a frictional drag arrangement rotates the floating arm so that the drive gear engages the takeup spindle of the cassette for fast forward operation.
摘要翻译：在具有遥控播放能力的磁带盒式电话应答装置中，公开了利用来自盒式磁带驱动电动机的动力将系统传送到自动倒带模式的磁带驱动器传送系统。磁带驱动器传输系统包括连接到主轴驱动组件的传送杆，其交替地驱动输入消息磁带盒的卷绕轴或源主轴。转移杆通过在接收到远程播放控制信号时被致动的低功率螺线管移动到带盒驱动电动机的驱动接合。该马达驱动传送杆，从而使主轴驱动组件从前进到后退操作位置。然后，转接杆被分离并锁定。当倒带完成时，电磁阀被停用。这将释放转移杆从其锁定位置，并允许传送杆和主轴驱动组件杆被偏置回到正常的前进位置，以准备播放先前记录的消息。通过使用带有可传送驱动齿轮的主轴驱动组件安装在可枢转的浮动臂上，可提供遥控快进选项。通过首先将磁带驱动器传送系统调整到倒带位置，然后使盒式磁带驱动电机反转方向来实现快进操作。这反转了可转动驱动齿轮的方向，其通过摩擦牵引装置使浮动臂旋转，使得驱动齿轮接合盒的卷绕轴以进行快进操作。

4. 发明授权

US4306117A Remote recording of new outgoing announcement in a telephone answering device 失效
标题翻译：在电话应答设备中远程录制新的发出通知
公开(公告)号：US4306117A
公开(公告)日：1981-12-15
申请号：US116099
申请日：1980-01-28
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/652 , H04M1/64
CPC分类号： H04M1/652
摘要： In this telephone answering device, a new outgoing announcement can be recorded under remote control via the telephone line. To accomplish this, the user calls his own number. During the incoming message record portion of the resultant answering cycle, the user sends a coded signal over the telephone line. As a result, the message tape is stopped, and the announcement tape is driven. As the user then speaks the new announcement, it is amplified and recorded onto the announcement tape instead of onto the message tape. Switching circuitry is minimized since the amplifier already is conditioned for operation in the incoming message record mode. In addition, the prior announcement is erased, and generation of the audio tone which normally occurs at the end of the outgoing announcement is inhibited.When the new announcement has been recorded, the device automatically returns to the announcement transmit portion of the answering cycle. The new message is played out for verification. The device completes the answering cycle and shuts down in readiness for the next call.Another answering device is disclosed in which the outgoing announcement is contained in digital format in a read only memory. When a call is answered, the memory is read out and the contents are converted to audio by a speech synthesizer or a microprocessor that is programmed to decode speech compression encoded signals.
摘要翻译：在这个电话应答设备中，可以通过电话线路在遥控器下记录新的出局通知。为了完成此操作，用户调用自己的号码。在所产生的应答周期的进入消息记录部分期间，用户通过电话线发送编码信号。结果，消息磁带被停止，并且通知磁带被驱动。当用户然后说出新的通知时，它被放大并记录在通知磁带上而不是消息磁带上。开关电路被最小化，因为放大器已经被调节为在输入消息记录模式下操作。此外，先前通知被擦除，并且抑制了在通话结束时通常发生的音频音调的产生。当新的通知被记录时，设备自动返回到应答周期的通知发送部分。新消息被播出以供验证。设备完成应答周期，并关闭下次呼叫的准备。公开了另一个应答设备，其中出局通知以数字格式包含在只读存储器中。当呼叫被应答时，存储器被读出并且内容被语音合成器或被编程为对语音压缩编码信号进行解码的微处理器转换成音频。

5. 发明授权

US4227053A Telephone answering device having balanced input 失效
标题翻译：具有平衡输入的电话应答设备
公开(公告)号：US4227053A
公开(公告)日：1980-10-07
申请号：US13045
申请日：1979-02-21
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/652 , H04M1/64
CPC分类号： H04M1/652
摘要： In this telephone answering device, the outgoing and incoming audio amplifiers are interconnected to function as a mode switching flip-flop. Remote playout is enabled upon detection of a first beep tone. This sets a control flip-flop which consists of a single operational amplifier interconnected with a steering capacitor to function as a toggleable bistable circuit. A cylindrical cam mechanism and associated control circuit are actuated by setting of the remote playout control flip-flop. These cooperate with a reel drive motor first to rewind the message tape and then to drive it forward as the recorded messages are played out via the telephone line to the user. Detection of a second beep tone resets the control flip-flop, terminating remote playout. The device employs a single sided solid state ring detector having a transformer input circuit that presents a balanced load to the telephone line, thereby permitting ac powered operation of the device.
摘要翻译：在这种电话应答设备中，输出和输入音频放大器互连起来作为模式切换触发器。检测到第一个哔音后，启用遥控播放。这设置了一个控制触发器，其由与操纵电容器互连的单个运算放大器组成，用作可切换双稳态电路。通过设置远程播放控制触发器来致动圆柱形凸轮机构和相关联的控制电路。这些与卷轴驱动电动机首先配合以倒带消息磁带，然后通过经由电话线向用户播放所记录的消息来向前驱动它。第二次蜂鸣音的检测重置控制触发器，终止远程播放。该装置采用具有变压器输入电路的单面固态环形检测器，其向电话线提供平衡负载，从而允许装置的交流供电操作。

6. 发明授权

US4584435A Miniature telephone answering device with single head carriage 失效
标题翻译：具有单头托架的微型电话应答装置
公开(公告)号：US4584435A
公开(公告)日：1986-04-22
申请号：US554265
申请日：1983-11-22
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/65 , G11B21/16
CPC分类号： H04M1/6515
摘要： In this telephone answering device utilizing microcassettes, a single head carriage carries the pinch rollers and heads for both the outgoing announcement and incoming message tape cassettes. The carriage is linearly movable between an engaged position and one or more retracted positions by a cam assembly utilizing a cam with missing teeth in two or more areas. The cam is driven between orientations established by the toothless areas, and is held in these areas by a selectively engaged pawl. A lever driven by the cam moves the unitary head carriage between engaged and retracted positions. A set of idler wheel slider assemblies is provided for selective driving of the source and takeup spindles of the two cassettes. These assemblies are selectively engaged in response to the position of the single head carriage and the direction of drive of the cassettes.
摘要翻译：在这种使用微型盒的电话应答设备中，单个头部托架携带用于输出通知和输入消息磁带盒的夹送辊和磁头。托架通过利用在两个或多个区域中具有缺齿的凸轮的凸轮组件在接合位置和一个或多个缩回位置之间可直线运动。凸轮在由无齿区域建立的取向之间被驱动，并且通过选择性接合的棘爪保持在这些区域中。由凸轮驱动的杠杆使整体头部托架在接合位置和缩回位置之间移动。提供一组惰轮滑块组件，用于选择性地驱动两个盒的源和卷取轴。响应于单头托架的位置和盒的驱动方向，这些组件选择性地接合。

7. 发明授权

US4389545A Remote rewind mechanism and control circuitry for a tape cassette telephone answering device 失效
标题翻译：用于磁带电话应答设备的远程倒带机构和控制电路
公开(公告)号：US4389545A
公开(公告)日：1983-06-21
申请号：US220359
申请日：1980-12-29
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/652 , H04M1/64
CPC分类号： H04M1/652
摘要： In this magnetic tape cassette telephone answering device, remote controlled playout of previously recorded messages is facilitated by using a movable carriage to support the record/playback head and the pinch roller for the incoming message cassette. This carriage is normally spring biased into operative contact with the cassette tape. A mode selection knob includes a sector-shaped cam which engages a pin on the carriage so as to retract the carriage away from cassette engagement when the "rewind" condition is manually selected. In the automatic "answer" mode, the cam is disengaged from the pin so that the carriage is maintained in contact with the tape by operation of the bias spring. When message playback is remotely conditioned, a cam drive motor rotates an eccentric cam that is coupled to the carriage by a lost motion linkage. Cam rotation forces the carriage away from contact with the cassette tape, overcoming the spring bias of the carriage.Retraction of the carriage also transfers spindle drive from the takeup reel spindle to the supply reel spindle, so that rewind is conditioned when the carriage is retracted either by manual "rewind" selection or by operation of the eccentric cam during the remote playout operation. The lost motion linkage arrangement permits manual movement of the carriage when the eccentric cam is in its rest position.
摘要翻译：在这种磁带盒式电话应答装置中，通过使用可移动的支架来支持先前记录的消息的远程控制播放，以支持输入消息盒的记录/重放头和压紧辊。该滑架通常被弹簧偏置成与盒式磁带工作接触。模式选择旋钮包括扇形凸轮，其与滑架上的销接合，以便当手动选择“倒带”状态时使托架离开盒接合。在自动“应答”模式中，凸轮与销脱离，使得滑架通过偏置弹簧的操作保持与胶带接触。当消息播放被远程调节时，凸轮驱动电动机通过迷失的动作联动来旋转联接到滑架的偏心凸轮。凸轮旋转迫使滑架远离盒式磁带接触，克服滑架的弹簧偏置。托架的退回还将主轴驱动器从卷取卷轴主轴转到供纸卷轴主轴，以便在通过手动“倒带”选择或在远程播放操作期间通过偏心凸轮的操作使托架缩回时，倒带被调节。空动联动装置允许当偏心凸轮处于其静止位置时滑架的手动移动。

8. 发明授权

US4236044A Remote playout control mechanism for a telephone answering device 失效
标题翻译：用于电话应答设备的远程播出控制机制
公开(公告)号：US4236044A
公开(公告)日：1980-11-25
申请号：US27911
申请日：1979-04-06
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/652 , H04M1/64 , G11B15/44
CPC分类号： H04M1/652
摘要： The inventive control mechanism useful in a answering device in which previously recorded incoming messages can be played out via the telephone line under remote control. Remote playout is initiated upon receipt of a first beep tone transmitted by the user. This causes a cam assembly and a related cam motor control circuit, disclosed herein, automatically to position the tape reel drive motor first to rewind the tape and then to drive the tape forward for message playout. Remote playout is terminated by receipt of a second such beep tone.
摘要翻译：在应答设备中有用的本发明的控制机制，其中先前记录的进入消息可以通过远程控制下的电话线播放。在接收到用户发送的第一个蜂鸣音时，开始远程播放。这使得凸轮组件和相关的凸轮马达控制电路自动地首先定位磁带卷盘驱动马达以倒带，然后向前驱动磁带以进行消息播出。通过接收到第二个这种哔音来终止遥控播出。

9. 发明授权

US4126763A Control circuit for a remote controlled telephone answering device 失效
标题翻译：遥控电话应答设备的控制电路
公开(公告)号：US4126763A
公开(公告)日：1978-11-21
申请号：US892326
申请日：1978-03-31
申请人： Sava Jacobson , George T. Buehl , Tokuro Narazaki
发明人： Sava Jacobson , George T. Buehl , Tokuro Narazaki
IPC分类号： H04M1/652 , H04M1/64 , G11B15/44
CPC分类号： H04M1/652
摘要： In this telephone answering device, the incoming message record tape is driven by a motor that is oriented by a cam mechanism from a forward drive position to a rewind position. The mechanism is driven by a cam drive motor under control of a circuit which initially responds to detection of a beep tone that begins remote playout of recorded incoming messages. The control circuit programmatically directs the cam mechanism first to orient the tape drive motor in the rewind direction to rewind the tape and then to orient the motor to drive the tape in the forward direction to facilitate remote playout of the messages. Provision is made to inhibit beep tone response during tape rewind.
摘要翻译：在该电话应答装置中，输入消息记录带由电动机驱动，该电动机由凸轮机构从正向驱动位置定向到倒带位置。该机构由在最初响应于开始远程播放记录的进入消息的蜂鸣音的检测的电路的控制下由凸轮驱动电动机驱动。控制电路以编程方式引导凸轮机构，首先使磁带驱动电机沿倒带方向定向以倒带，然后使电机定向以向前方向驱动磁带，以便于短时间播放消息。提供了在磁带重绕期间抑制嘟嘟声响应。

10. 发明授权

US4118602A Telephone answering device having simplified mechanical controls 失效
标题翻译：电话应答设备具有简化的机械控制
公开(公告)号：US4118602A
公开(公告)日：1978-10-03
申请号：US766898
申请日：1977-02-09
申请人： Sava Jacobson
发明人： Sava Jacobson
IPC分类号： H04M1/65 , H04M1/64
CPC分类号： H04M1/6515 , Y10T403/32967 , Y10T74/20
摘要： In this telephone answering device, each of the mechanical control arms is pivotally mounted in simplified fashion to a molded plastic chassis. Overcenter springs provide bistable mechanical positioning of each control arm. The answer-playback control arm functions to position an erase head against the incoming message recording tape, to engage or disengage the outgoing announcement tape loop drive, and to actuate a switch that connects power to the device during rewind and playback operations. A forward-rewind control arm shifts the magnetic tape drive motor to the forward or rewind position, and is linked to the answer-playback control arm by a lost motion linkage so as to ensure the correct relative settings of the two control arms.
摘要翻译：在该电话应答装置中，每个机械控制臂以简单的方式枢转地安装到模制的塑料底盘上。超中心弹簧提供每个控制臂的双稳态机械定位。应答播放控制臂用于将擦除头定位在输入消息记录带上，以使接收或脱离传出通知磁带环驱动器，并且在倒带和重放操作期间启动将电源连接到设备的开关。前进倒带控制臂将磁带驱动马达移动到向前或倒带位置，并通过空动连杆与回答重放控制臂连接，以确保两个控制臂的正确相对设置。

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