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1. 发明授权

US06560344B1 Miniature surface mounted directional microphone assembly 失效
标题翻译：微型表面安装定向麦克风组件
公开(公告)号：US06560344B1
公开(公告)日：2003-05-06
申请号：US09232391
申请日：1999-01-15
申请人： Stephen D. Julstrom , Robert B. Schulein , Viorel Drambarean
发明人： Stephen D. Julstrom , Robert B. Schulein , Viorel Drambarean
IPC分类号： H04R2500
CPC分类号： H04R1/406 , H04R2499/13
摘要： The present invention relates to a motor vehicle mounted directional microphone assembly for use in hands-free cellular telecommunications. The microphone assembly is comprised of a case and a removable directional microphone module. The case is adapted to mount and lock the module in a plurality of different orientations, thereby enabling the assembly to accommodate various mounting arrangements within the vehicle. The module is releasable, however, from its locked position to permit re-orientation of the microphone with respect to the case, if desired. The module is also completely removable from the case to permit mounting of the module within the vehicle in mounting arrangements independent of the case.
摘要翻译：本发明涉及一种用于免提蜂窝通信中的机动车辆定向麦克风组件。麦克风组件由壳体和可移除的定向麦克风模块组成。壳体适于以多个不同的取向安装和锁定模块，从而使得组件能够适应车辆内的各种安装布置。然而，如果需要，该模块可从其锁定位置释放以允许麦克风相对于壳体的重新取向。模块也可以完全从壳体拆下，以允许模块在车辆内的安装方式独立于外壳。

2. 发明授权

US07110553B1 Directional microphone assembly for mounting behind a surface 失效
标题翻译：定向麦克风组件，用于安装在表面后面
公开(公告)号：US07110553B1
公开(公告)日：2006-09-19
申请号：US09017937
申请日：1998-02-03
申请人： Stephen D. Julstrom , Robert B. Schulein
发明人： Stephen D. Julstrom , Robert B. Schulein
IPC分类号： H04R9/08
CPC分类号： H04R29/006 , H04R3/005 , H04R25/407 , H04R2499/13
摘要： A directional microphone assembly suitable for subsurface mounting. A directional pickup pattern is developed from the outputs of a plurality of omnidirectional microphone elements mounted in an assembly behind a surface such that their acoustic excitation comes from the opposite side of the surface through small openings in the surface. The openings may have varying dimensions and may be covered with acoustically semi-transparent material without significantly degrading the assembly frequency response or polar pattern. Precautions are taken to ensure design robustness considering practical microphone element characteristics and potential high levels of low-frequency excitation.
摘要翻译：适用于地下安装的定向麦克风组件。从安装在表面后面的组件中的多个全向麦克风元件的输出开发定向拾取图案，使得它们的声学激发通过表面中的小开口来自表面的相对侧。开口可以具有不同的尺寸，并且可以用声学半透明材料覆盖，而不会显着降低组件的频率响应或极性图案。采取注意事项，以确保考虑到实际的麦克风元件特性和潜在的高水平低频激励的设计鲁棒性。

3. 发明授权

US08160261B2 Audio monitoring system 有权
标题翻译：音频监控系统
公开(公告)号：US08160261B2
公开(公告)日：2012-04-17
申请号：US11334758
申请日：2006-01-18
申请人： Robert B. Schulein , Stephen D. Julstrom , Michael J. Santucci
发明人： Robert B. Schulein , Stephen D. Julstrom , Michael J. Santucci
IPC分类号： H04R29/00
CPC分类号： H04R29/007 , H03G3/32 , H03G9/18 , H04R1/1016 , H04R2420/07
摘要： An earphone monitoring system is disclosed that provides for user information and control regarding ambient and monitored sound levels.
摘要翻译：公开了一种耳机监视系统，其提供关于环境和监视的声级的用户信息和控制。

4. 发明授权

US06694034B2 Transmission detection and switch system for hearing improvement applications 有权
标题翻译：用于听力改善应用的传输检测和开关系统
公开(公告)号：US06694034B2
公开(公告)日：2004-02-17
申请号：US09752806
申请日：2000-12-28
申请人： Stephen D. Julstrom , Elmer V. Carlson , Norman P. Matzen , Robert B. Schulein , Willem Soede
发明人： Stephen D. Julstrom , Elmer V. Carlson , Norman P. Matzen , Robert B. Schulein , Willem Soede
IPC分类号： H04R2500
CPC分类号： H04R25/43 , H04R25/502 , H04R25/552 , H04R25/554 , H04R2225/51 , H04R2225/61
摘要： A hearing aid system for selecting one of two audio sources is disclosed. The hearing aid system comprises hearing aid circuitry, such as, for example, a hearing aid amplifier and speaker, as well as a primary source for audio, such as, for example, a hearing aid microphone. The hearing aid system also comprises a secondary source for audio, such as, for example, a directional microphone worn or otherwise supported by a person speaking or by the hearing aid user, as well as detection and switch circuitry to select which of the primary and secondary audio sources should be directed to the hearing aid circuitry. In operation, the detection and switch circuitry receives a signal transmission (preferably wireless) from the secondary audio source and determines whether the signal received is desirable. If the signal transmission is desirable, the circuitry selects that signal for coupling with the hearing aid circuitry. If the transmission signal is not desirable, the circuitry selects the signals from the primary audio source for coupling with the hearing aid circuitry.
摘要翻译：公开了一种用于选择两个音频源中的一个的助听器系统。助听器系统包括助听器电路，例如助听器放大器和扬声器，以及音频的主要源，例如助听器麦克风。助听器系统还包括用于音频的次级源，例如由讲话者或助听器用户佩戴或以其他方式支持的定向麦克风，以及检测和开关电路，以选择主要和辅助音频源应该被引导到助听器电路。在操作中，检测和开关电路从辅助音频源接收信号传输（最好是无线），并确定接收到的信号是否是可取的。如果信号传输是期望的，则电路选择该信号以与助听器电路耦合。如果传输信号不是期望的，则电路选择来自主音频源的信号以与助听器电路耦合。

5. 发明申请

US20110086256A1 Rechargeable Battery Assemblies and Methods of Constructing Rechargeable Battery Assemblies 有权
标题翻译：可充电电池组件和构建可充电电池组件的方法
公开(公告)号：US20110086256A1
公开(公告)日：2011-04-14
申请号：US12576106
申请日：2009-10-08
申请人： Stephen D. Julstrom , Timothy S. Monroe , Mead C. Killion , John E. Oltman
发明人： Stephen D. Julstrom , Timothy S. Monroe , Mead C. Killion , John E. Oltman
IPC分类号： H01M2/30 , H01M6/00
CPC分类号： H01M10/46 , H01F38/14 , H01F2003/005 , H01M10/425 , H02J7/025 , H02J50/12 , H02J50/70 , Y10T29/49108
摘要： Rechargeable battery assemblies and methods of constructing rechargeable battery assemblies are provided. Rechargeable battery assemblies can include a storage cell and receive circuitry comprising a receive coil operatively connected to receive control circuitry, the receive coil configured to receive inductively coupled current, the receive control circuitry configured to rectify the current and communicate charging power to the storage cell, the coil wound around a shield/core comprising magnetically permeable material, and the shield/core disposed around the storage cell. Methods of constructing rechargeable battery assemblies can include disposing a shield/core comprising magnetically permeable material around a storage cell; winding a receive coil around the shield/core; and providing the receive coil in operative connection with receive control circuitry and the storage cell, the receive coil configured to receive inductively coupled current, and the receive control circuitry configured to rectify the current and communicate charging power to the storage cell.
摘要翻译：提供可充电电池组件和构造可充电电池组件的方法。可再充电电池组件可以包括存储单元和接收电路，接收电路包括可操作地连接到接收控制电路的接收线圈，接收线圈被配置为接收电感耦合电流，接收控制电路被配置为对电流进行整流并且向存储单元通信充电电力，卷绕在包括导磁材料的屏蔽/芯体周围的线圈，以及设置在存储单元周围的屏蔽/芯。构造可充电电池组件的方法可以包括在存储单元周围设置包括导磁材料的屏蔽/芯体; 围绕屏蔽/芯线缠绕接收线圈; 以及将所述接收线圈与所述接收控制电路和所述存储单元操作连接，所述接收线圈被配置为接收电感耦合电流，并且所述接收控制电路被配置为对所述电流进行整流并且向所述存储单元传送充电电力。

6. 发明申请

US20110084652A1 Magnetically Coupled Battery Charging System 有权
标题翻译：磁耦合电池充电系统
公开(公告)号：US20110084652A1
公开(公告)日：2011-04-14
申请号：US12575975
申请日：2009-10-08
申请人： Stephen D. Julstrom , Timothy S. Monroe
发明人： Stephen D. Julstrom , Timothy S. Monroe
IPC分类号： H02J7/00
CPC分类号： H02J7/025 , H02J50/12 , H02J50/70
摘要： Inductively coupled battery charging systems and methods are provided. Transmit circuitry can include a transmit coil operatively part of a transmit resonant circuit that exhibits resonance at a transmit resonant frequency and an unloaded Q value of at least about 20. Transmit coil can generate a magnetic field at about the transmit resonant frequency. Rechargeable battery assembly can include a receive coil configured to receive inductively coupled current, and circuitry configured to rectify the current and communicate charging power to a storage cell. Receive coil can be part of a receive resonant circuit that exhibits resonance at about the transmit resonant frequency and an unloaded Q value of at least about 10. Transmit circuitry can include multiple transmit coils and can selectively discontinue production of alternating current in the coils generating fields that are not most strongly coupled to the receive coil.
摘要翻译：提供了电感耦合电池充电系统和方法。发射电路可以包括传输谐振电路的可操作部分的发射线圈，其在发射谐振频率处展现谐振，并且至少约20的无载Q值。发射线圈可以在大约发射谐振频率处产生磁场。可再充电电池组件可以包括被配置为接收电感耦合电流的接收线圈，以及被配置为对电流进行整流并将充电电力传送到存储单元的电路。接收线圈可以是接收谐振电路的一部分，其在大约发射谐振频率处展现谐振，并且至少约为10的无载Q值。发射电路可以包括多个发射线圈并且可以选择性地中断在线圈产生场中的交流电这不是最强耦合到接收线圈。

7. 发明授权

US4811019A Delta modulation encoding/decoding circuitry 失效
标题翻译：增量调制编码/解码电路
公开(公告)号：US4811019A
公开(公告)日：1989-03-07
申请号：US869193
申请日：1986-05-30
申请人： Stephen D. Julstrom , Mark W. Gilbert
发明人： Stephen D. Julstrom , Mark W. Gilbert
IPC分类号： H03M3/02
CPC分类号： H03M3/022
摘要： An adaptive delta modulation circuit having an analog adaptation circuit and an integrator circuit. The adaptation circuit exponentially converts a voltage which is proportional to the average of a time duration of an overload control signal to an adaptation current which is averaged and converted to an adaptation voltage. An integrator circuit includes a sole switch which shorts to ground a circuit point for generating an analog signal formed of line segments; each segment has a slope magnitude controllable by the adaptation voltage.
摘要翻译：具有模拟适应电路和积分电路的自适应增量调制电路。自适应电路将与过载控制信号的持续时间的平均值成比例的电压指数地转换成适应电流，该自适应电流被平均化并转换成自适应电压。积分器电路包括一个底部开关，用于产生由线段形成的模拟信号的电路点接地; 每个段具有可由适应电压控制的斜率。

8. 发明授权

US5673327A Microphone mixer 失效
标题翻译：麦克风搅拌机
公开(公告)号：US5673327A
公开(公告)日：1997-09-30
申请号：US610440
申请日：1996-03-04
申请人： Stephen D. Julstrom
发明人： Stephen D. Julstrom
IPC分类号： H04H60/04 , H04B1/00
CPC分类号： H04H60/04
摘要： An automatic microphone control system particularly suited to controlling a small, predetermined number of microphones. A representation of the level of a microphone signal is compared individually to the level representations of each of the other microphones to determine if the microphone should receive a gating trigger. If the microphone level compares favorably to each of the other microphones, and a noise adaptive threshold comparison criterion is also satisfied, then the microphone receives a gating trigger. This triggers a gate ON action for the microphone, which is held at least 0.4 seconds by a one-shot and also locked ON unless a gate ON action is initiated by any other microphone. The circuitry for a two-microphone system particularly suited to a lectern application is powerable by a conventional phantom-powering balanced microphone preamplifier input.
摘要翻译：一种自动麦克风控制系统，特别适用于控制小型预定数量的麦克风。将麦克风信号的电平的表示单独地与每个其他麦克风的电平表示进行比较，以确定麦克风是否应该接收门控触发。如果麦克风电平与每个其他麦克风相比较好，并且还满足噪声自适应阈值比较准则，则麦克风接收门控触发。这会触发麦克风的门ON动作，麦克风通过一次触发保持至少0.4秒，并且也被锁定为ON，除非任何其他麦克风启动门ON动作。特别适用于讲台应用的双麦克风系统的电路可以通过传统的幻象供电平衡麦克风前置放大器输入来实现。

9. 发明授权

US4712231A Teleconference system 失效
标题翻译：电话会议系统
公开(公告)号：US4712231A
公开(公告)日：1987-12-08
申请号：US597734
申请日：1984-04-06
申请人： Stephen D. Julstrom
发明人： Stephen D. Julstrom
IPC分类号： H04M3/56 , H04M1/60
CPC分类号： H04M3/56
摘要： A teleconferencing system for connection to telephone lines or other communication links. Directionally gated microphones receive local speech for audio send signal transmission to the far end on the telephone line, and audio receive signals from the far end are output locally via a loudspeaker. The outgoing send signals and incoming receive signals are automatically suppressed in accordance with user and setup controls (volume and suppression) and in accordance with the strength of the incoming receive signal. When the system is in a send mode, the receive signals are suppressed to a lower audible level; when the system is in a receive mode, the send signals are suppressed. The mode of the system is switched during conversation. When simultaneous talking (speech from both ends) occurs, priority is given to the interrupting party.
摘要翻译：用于连接到电话线或其他通信链路的电话会议系统。定向门控麦克风接收本地语音以将音频发送信号传输到电话线上的远端，并且来自远端的音频接收信号通过扬声器本地输出。根据用户和设置控制（音量和抑制），并根据输入接收信号的强度自动抑制输出发送信号和输入接收信号。当系统处于发送模式时，接收信号被抑制到较低的听觉水平; 当系统处于接收模式时，发送信号被抑制。在通话期间切换系统的模式。当发生同时通话（来自两端的语音）时，优先考虑中断方。

10. 发明授权

US4658425A Microphone actuation control system suitable for teleconference systems 失效
标题翻译：麦克风启动控制系统适用于电话会议系统
公开(公告)号：US4658425A
公开(公告)日：1987-04-14
申请号：US881523
申请日：1986-06-30
申请人： Stephen D. Julstrom
发明人： Stephen D. Julstrom
IPC分类号： H04M3/56 , H04M9/08 , H04R3/00
CPC分类号： H04M9/08 , H04M3/569 , H04R2201/401
摘要： A microphone and loudspeaker arrangement for use in a teleconference system, wherein a plurality of microphones are held in a fixed relationship to a loudspeaker. The microphones are independently gated ON in response to (1) speech picked up by the microphone, (2) a loudspeaker signal driving the loudspeaker and (3) an electrical signal related to the microphone signals of the other associated microphones. A noise adapting threshold circuit generates a voltage level representative of background noise which is compared with the microphone signal of a respective microphone for determining whether the microphone is receiving speech. A decisional circuitry monitors the microphone signal of the associated microphone with respect to a MAX bus which carries microphone signals representative of the level of microphone signals at the other microphones. The decisional circuitry generates a signal indicating that the associated microphone is the first loudest microphone signal.
摘要翻译：一种用于电话会议系统的麦克风和扬声器装置，其中多个麦克风与扬声器保持固定关系。响应于（1）由麦克风拾取的语音，（2）扬声器信号驱动扬声器和（3）与其他相关联的麦克风的麦克风信号相关的电信号，麦克风独立地选通ON。噪声适应阈值电路产生代表背景噪声的电压电平，其与相应麦克风的麦克风信号进行比较，以确定麦克风是否正在接收语音。决定电路监测相关麦克风的麦克风信号相对于MAX总线，MAX总线携带代表麦克风信号水平的麦克风信号。决定电路产生一个信号，指示相关联的麦克风是第一个最响亮的麦克风信号。

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