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1. 发明授权

US10133006B1 Soft contacting rotational interface system for transmitting RF and optical signals concurrently across thereof 有权
公开(公告)号：US10133006B1
公开(公告)日：2018-11-20
申请号：US15697830
申请日：2017-09-07
申请人： Princetel Inc.
发明人： Hong Zhang , Boying B. Zhang , Joe Ritacco , Jingrong Shen
IPC分类号： G02B6/36 , H01R24/54 , H01R13/6581 , H01R39/64
摘要： A system of soft contacting rotational interfaces with long service life, maintenance free, and high reliability, comprises a RF rotary joint and a single channel fiber optic rotary coupler and more particularly, a system having a plurality of conductive fiber brush bundles, a fiber optical wire and a coaxial conductor for transferring RF and optical signal(s) concurrently between relatively rotatable objects.

2. 发明授权

US11309673B2 Slip ring system for high speed applications 有权
公开(公告)号：US11309673B2
公开(公告)日：2022-04-19
申请号：US16548743
申请日：2019-08-22
申请人： Princetel, Inc.
发明人： Hong Zhang , Joe Ritacco , Boying B Zhang
IPC分类号： H01R39/08 , H02K13/00 , G02B6/36 , H01R9/05
摘要： The current invention is regarding an electrical slip ring system for high speed applications, which require slip rings to operate at speeds more than 60,000 RPM. It consists of multiple single stage slip rings and multiple gear devices, where all the stators, except the last one, are rotational. The speed limit on the slip ring market, by using the advanced fiber brush bundles, is about 10,000 RPM without cooling, or lubricating. The basic idea is that by designing gears, we can always can make sure the relative speed between the rotor and the stator in each stage is

3. 发明授权

US11289865B2 High frequency slip ring with through bore 有权
公开(公告)号：US11289865B2
公开(公告)日：2022-03-29
申请号：US16790728
申请日：2020-02-13
申请人： Princetel, Inc.
发明人： Hong Zhang , Joe Ritacco , Boying B Zhang , Jingrong Shen
IPC分类号： H01R39/08 , H01R39/18 , H01R39/14 , H01R39/38 , G02B6/36 , H01R39/34
摘要： The current disclosure is regarding an electrical slip ring assembly that transmit signals, data, and power across rotary platforms, especially for high frequency applications. The high frequency slip ring assembly with through bore may include a first stage slip ring, a second stage slip ring, a gear assembly, and an internal cable assembly. Rings may have an angled notch on a circumference to break said rings and have the same diameter. The first stage slip ring and second stage slip ring may be connected in series sequence, i.e., the stator in first stage slip ring is mechanically connected with the rotor in second stage slip ring. The internal cable assembly electrically connects the brush assembly in first stage slip ring with the ring assembly in said second stage slip ring in each channel respectively.

4. 发明申请

US20210057861A1 High frequency slip ring with through bore 有权
公开(公告)号：US20210057861A1
公开(公告)日：2021-02-25
申请号：US16790728
申请日：2020-02-13
申请人： Princetel, Inc.
发明人： Hong Zhang , Joe Ritacco , Boying B Zhang , Jingrong Shen
IPC分类号： H01R39/08 , H01R39/38 , H01R39/14 , H01R39/18
摘要： The current disclosure is regarding an electrical slip ring assembly that transmit signals, data, and power across rotary platforms, especially for high frequency applications. The high frequency slip ring assembly with through bore may include a first stage slip ring, a second stage slip ring, a gear assembly, and an internal cable assembly. Rings may have an angled notch on a circumference to break said rings and have the same diameter. The first stage slip ring and second stage slip ring may be connected in series sequence, i.e., the stator in first stage slip ring is mechanically connected with the rotor in second stage slip ring. The internal cable assembly electrically connects the brush assembly in first stage slip ring with the ring assembly in said second stage slip ring in each channel respectively.

5. 发明申请

US20210057860A1 Slip ring system for high speed applications 有权
公开(公告)号：US20210057860A1
公开(公告)日：2021-02-25
申请号：US16548743
申请日：2019-08-22
申请人： Princetel, Inc.
发明人： Hong Zhang , Joe Ritacco , Boying B. Zhang
IPC分类号： H01R39/08 , H02K13/00
摘要： The current invention is regarding an electrical slip ring system for high speed applications, which require slip rings to operate at speeds more than 60,000 RPM. It consists of multiple single stage slip rings and multiple gear devices, where all the stators, except the last one, are rotational. The speed limit on the slip ring market, by using the advanced fiber brush bundles, is about 10,000 RPM without cooling, or lubricating. The basic idea is that by designing gears, we can always can make sure the relative speed between the rotor and the stator in each stage is

6. 发明授权

US09634449B1 Soft contacting rotational interface for RF rotary joint 有权
公开(公告)号：US09634449B1
公开(公告)日：2017-04-25
申请号：US14946226
申请日：2015-11-19
申请人： Princetel Inc.
发明人： Hong Zhang , Boying B. Zhang , Joe Ritacco , Jingrong Shen
IPC分类号： H01R13/33 , H01R39/24 , H01R39/39 , H02K11/026
CPC分类号： H01R39/24 , H01R24/542 , H01R35/04 , H01R39/64
摘要： The current invention, by using a plurality of conductive fiber brush bundles and a coaxial line to transfer RF signal(s) between relatively rotatable objects, creates easy-maintenance, long duration a RF rotary joint with soft contacting rotational interfaces. It consists of a stationary shield conductor assembly, a stationary core conductor assembly, a rotational shield conductor assembly with a tapered round head, a rotational core conductor assembly with a tapered round head, and rotational and stationary insulating assemblies with a central bore. Both stationary and rotational shield conductor assemblies having a conductive fiber brush bundle, which further containing a plurality of hair-thin conductive filaments to form a symmetrical flexible tube. The interfaces of the core soft contacting rotational and the shield soft contacting rotational are formed between the free end portions of the conductive fiber brush bundles and the tapered round head of the rotational cone conductor and rotational shield conductor respectively.

7. 发明授权

US09263838B1 Slip ring for high speed data transmission 有权
标题翻译：滑环，用于高速数据传输
公开(公告)号：US09263838B1
公开(公告)日：2016-02-16
申请号：US14698434
申请日：2015-04-28
申请人： Princetel Inc.
发明人： Hong Zhang , Jingrong Shen , Joe Ritacco , Boying B. Zhang
IPC分类号： H01R39/18 , H01R39/08 , H02K13/00
CPC分类号： H01R39/18 , H01R13/6463 , H01R13/6473 , H01R39/08 , H01R39/24 , H01R39/34
摘要： The current invention is regarding a slip ring for transmitting high speed electrical signal across a rotating interface, especially for transmitting Ethernet data. It consists of sandwich assembly with multiple conducting plates individually sandwiched by multiple insulating spacers and a brush block assembly with multiple conducting brushes. The input Ethernet cable is attached on said sandwich assembly and the wires from input cable can be individually soldered into the central hole of each conducting plate (The wires are always off-centered in prior art). The output Ethernet cable is soldered on said brush block. Said brush block assembly and said sandwich assembly are rotatable relative to each other through bearings to form a rotational interface. As a result, high speed electrical signal can be transmitted across the rotating interface without suffering from phase shift and data distortion as in prior arts due to unequal path lengths.
摘要翻译：本发明涉及一种用于在旋转接口上传输高速电信号的滑环，特别是用于传输以太网数据。它由夹层组件组成，多个导电板单独夹在多个绝缘垫片和具有多个导电刷的刷子组件之间。输入以太网电缆连接在所述夹层组件上，并且来自输入电缆的电线可以单独焊接到每个导电板的中心孔中（电线在现有技术中总是偏心）。输出以太网电缆焊接在所述刷子块上。所述刷块组件和所述夹层组件可通过轴承相对于彼此旋转以形成旋转界面。结果，由于路径长度不相等，高速电信号可以在旋转接口上传输，而不会像现有技术那样遭受相移和数据失真。

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