WO2021147181A1 - Lunettes vidéo sans fil à double antenne - Google Patents

Lunettes vidéo sans fil à double antenne Download PDF

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Publication number
WO2021147181A1
WO2021147181A1 PCT/CN2020/084547 CN2020084547W WO2021147181A1 WO 2021147181 A1 WO2021147181 A1 WO 2021147181A1 CN 2020084547 W CN2020084547 W CN 2020084547W WO 2021147181 A1 WO2021147181 A1 WO 2021147181A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
radio frequency
signal
frequency signal
dual
Prior art date
Application number
PCT/CN2020/084547
Other languages
English (en)
Chinese (zh)
Inventor
刘丰
厉翔龙
李冉高
廖峰
Original Assignee
深圳市富斯科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市富斯科技有限公司 filed Critical 深圳市富斯科技有限公司
Publication of WO2021147181A1 publication Critical patent/WO2021147181A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Definitions

  • the utility model belongs to the technical field of video glasses, in particular to a dual-antenna wireless video glasses.
  • unmanned operation equipment such as drones and unmanned vehicles have developed rapidly.
  • wireless video glasses In order to monitor the operation of equipment in real time, wireless video glasses have emerged, and wireless video glasses receive unmanned driving such as drones.
  • the real-time signal during the movement of the equipment converts the received signal into an image showing the movement of the unmanned equipment.
  • the operator observes the real-time movement of the unmanned equipment through video glasses.
  • the signal receiving devices of wireless video glasses all adopt a built-in structure, the signal receiving device and the wireless video glasses body are integrated design, and the signal receiving device cannot be disassembled and replaced separately. During use, if the signal receiving device is damaged, the entire wireless video glasses can only be discarded, resulting in a waste of wireless video glasses.
  • the signal receiving modules are independent of each other.
  • the dual antennas are mostly located on the side of the video glasses, which seriously affects the wireless signal reception coverage.
  • Video glasses are generally worn on the human head, human head and video The glasses themselves will block the signal. If a block is located between the wireless video receiving and transmitting antenna, it will affect the wireless signal transmission. The closer the block is to the receiving antenna or the transmitting antenna, the greater the influence on the signal strength of the wireless signal.
  • the integrated design of the video glasses itself and the signal receiving device in the existing video glasses technology leads to the waste of the video glasses, as well as the problems of complicated internal wiring of the existing video glasses, inconvenient maintenance, and low picture quality and definition.
  • the utility model provides a dual-antenna wireless video glasses, comprising: a face cover, a first antenna and a second antenna; the first antenna and the second antenna are installed outside the face cover, so that the first antenna and the second antenna can receive radio frequency signals And the detachable replacement of the first antenna and the second antenna.
  • the radio frequency interface conversion board, the feeder line and the wireless signal receiving module are detachably installed inside the cover, the radio frequency interface conversion board and the wireless signal receiving module are connected to the feeder line, and the first antenna transmits the received radio frequency signal to the radio frequency interface conversion board, The feeder transmits the radio frequency signal to the wireless signal receiving module.
  • the face cover is clamped on the video glasses body, and the face cover is arranged in two, symmetrical.
  • the radio frequency interface conversion board and the wireless receiving module are installed on the inner side of the face cover by screws.
  • the wireless signal receiving module installed inside the cover includes a power measurement unit, a selection unit, a main control unit, and an analysis unit.
  • the radio frequency signal is transmitted among the power measurement unit, the selection unit, the main control unit, and the analysis unit.
  • the signal received by the first antenna is a first radio frequency signal
  • the signal received by the second antenna is a second radio frequency signal
  • the power measurement unit measures the power value of the radio frequency signal and transmits the power value of the radio frequency signal to the main control unit.
  • the main control unit transmits the selection signal to the selection unit.
  • the selection unit selects the radio frequency from the power measurement unit according to the selection signal.
  • the radio frequency signal with a large power value in the signal is transmitted to the analysis unit, and the analysis unit parses the radio frequency signal into a video signal.
  • the dual-antenna wireless video glasses also include an antenna and a glasses screen; the antenna is used to receive radio frequency signals and transmit the radio frequency signals to the power measurement unit; the glasses screen is connected to the analysis unit to receive video signals for display as images.
  • the antenna includes a first antenna, a second antenna, a radio frequency interface conversion board, and a radio frequency feeder.
  • the radio frequency signal includes a first radio frequency signal and a second radio frequency signal; the first antenna transmits the first radio frequency signal through the radio frequency interface conversion board and the radio frequency feeder.
  • the second antenna Transmitted to the power measurement unit, transmits the second radio frequency signal to the power measurement unit, and the power measurement unit measures the power values of the first radio frequency signal and the second radio frequency signal.
  • the first antenna and the second antenna are arranged symmetrically on the body of the video glasses.
  • the first antenna is connected to the radio frequency interface conversion board and the radio frequency feeder in sequence, and finally connected to the power measurement unit; the second antenna is directly connected to the power measurement unit.
  • the power measurement unit transmits the power values of the first radio frequency signal and the second radio frequency signal to the main control unit, and the main control unit selects the power values of the first radio frequency signal and the second radio frequency signal to generate the selection signal.
  • the main control unit transmits the selection signal to the selection unit, and the selection unit screens out the first radio frequency signal and the second radio frequency signal with a higher power value from the power measurement unit according to the selection signal.
  • the antenna and the wireless signal receiving module can be instantly detachably installed in the video glasses body.
  • a radio frequency signal transmission connection is adopted between the antenna and the wireless receiving module.
  • the headband is configured as a rubber elastic band for covering the user's head;
  • the eye mask is configured as an elastic buffer sheet structure.
  • Video glasses also include eyewear and video glasses body.
  • the eyewear includes a headband and an eyewear body.
  • the headband is used to fix the eyewear body through the eyewear.
  • the headband is an elastic band structure, and the eyewear is set in a sheet-shaped elastic buffer structure; the eyewear and the eyewear body are fixedly connected .
  • the utility model enhances the signal receiving effect through the dual antenna structure, the radio frequency interface conversion board and the radio frequency feeder, simplifies the internal circuit of the video glasses, realizes the detachable and replaceable antenna, and analyzes the high power value through the wireless signal receiving module
  • the radio frequency signal also ensures the stable transmission of the radio frequency signal to improve the definition of the video signal.
  • the utility model enhances the signal receiving effect through the dual antenna structure, the radio frequency interface conversion board and the radio frequency feeder, simplifies the internal circuit of the video glasses, realizes the detachable and replaceable antenna, and analyzes the radio frequency signal with high power value through the wireless signal receiving module. Ensure the stable transmission of the radio frequency signal to improve the definition of the video signal.
  • Fig. 1 is a structural diagram of dual-antenna video glasses provided by an embodiment.
  • Fig. 2 is an exploded view of dual antenna video glasses provided by an embodiment.
  • Fig. 3 is a frame diagram of dual-antenna video glasses provided by an embodiment. .
  • the present invention provides a dual-antenna wireless video glasses, which includes a power measurement unit 5, a selection unit 7, a main control unit 6, and an analysis unit 8, and is fixedly installed inside the video glasses body 13.
  • the power measuring unit 5 measures the power value of the radio frequency signal, and transmits the power value of the radio frequency signal to the main control unit 6.
  • the main control unit 6 uses a judgment circuit to judge the power value of the radio frequency signal, and The result of the judgment is transmitted to the selection unit 7 in the form of a selection signal.
  • the selection unit 7 selects the radio frequency signal with a large power value from the power measurement unit 5 according to the selection signal, and transmits the radio frequency signal with a large power value to the analysis unit.
  • the analysis unit 8 parses the radio frequency signal into a video signal.
  • the dual-antenna wireless video glasses also include a first antenna 1, a second antenna 2, a radio frequency interface conversion board 3, a radio frequency feeder 4 and a glasses screen 9.
  • the radio frequency signal includes the first radio frequency signal and the second radio frequency.
  • the first antenna 1 and the second antenna 2 are arranged symmetrically on the video glasses body 13, the first antenna 1 and the second antenna 2 are fixedly installed on the face cover 11, and the face cover 11 is detachably clamped to the video glasses body On 13, there are two face covers 11, which are symmetrical.
  • the radio frequency interface conversion board 3 and the wireless receiving module 4 are installed on the inner side of the cover 11 by screws.
  • the first antenna 1 and the second antenna 2 are detachably mounted on the video glasses body 13.
  • the first antenna 1 transmits the first radio frequency signal to the power measurement unit 5 through the radio frequency interface conversion board 3 and the radio frequency feeder 4.
  • the radio frequency interface conversion board 3 is set on the first antenna 1 and is set as an SMA connector, and the radio frequency feeder 4 is set to MMCX The interface realizes the transmission of the first radio frequency signal.
  • the first radio frequency signal is transmitted to the power measurement unit 5 through the radio frequency feeder 4, and the second antenna 2 also transmits the second radio frequency signal to the power measurement unit 5 after receiving the second radio frequency signal.
  • the power measuring unit 5 measures the power values of the received first radio frequency signal and the second radio frequency signal; after the measurement, the power measuring unit 5 transmits the power value of the radio frequency signal to the main control unit 6, and the main control unit 6
  • the judgment circuit is used to judge the power value of the first radio frequency signal and the second radio frequency signal, and the result of the judgment is transmitted to the selection unit 7 in the form of a selection signal.
  • the selection unit 7 receives the power measurement unit 5 from the power measurement unit 5 according to the selection signal.
  • the radio frequency signal with a large power value in the radio frequency signal is screened out, and the radio frequency signal with the large power value is transmitted to the analysis unit 8, and the analysis unit 8 parses the radio frequency signal with the high power value into a video signal.
  • the glasses screen 9 is connected to the analysis unit 8 and receives video signals for display as an image.
  • the video glasses body 13 and the eye cup 12 are magnetically attracted to achieve a fixed connection, and to ensure that they can be disassembled immediately.
  • the eye cup 12 is configured as a sponge buffer sheet structure for fixing the video glasses body 13, which is connected to the sleeve.
  • the headband 14 provided on the user's head is used in conjunction.
  • the present invention enables the antenna to be disassembled, installed and replaced through the dual-antenna structure, the RF interface conversion board and the RF feeder, which enhances the wireless signal receiving effect, simplifies the internal circuit of the video glasses, and analyzes the high power value through the wireless signal receiving module
  • the wireless signal also ensures the smoothness of the video signal and reduces the video jam phenomenon during the use of the user.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transceivers (AREA)

Abstract

L'invention concerne une paire de lunettes vidéo sans fil à double antenne, comprenant : un couvercle de surface (11), une première antenne (1), une seconde antenne (2), une carte de conversion d'interface radiofréquence (3), une ligne d'alimentation (4) et un module de réception sans fil, la première antenne (1) et la seconde antenne (2) étant montées sur l'extérieur du couvercle de surface (11) et étant situées sur deux côtés des lunettes vidéo, de telle sorte que la première antenne (1) et la seconde antenne (2) reçoivent des signaux radiofréquence, et la première antenne (1) et la seconde antenne (2) sont détachables et remplaçables et couvrent une plage de réception de signal plus grande ; la carte de conversion d'interface radiofréquence (3), la ligne d'alimentation (4) et le module de réception sans fil sont montés de manière amovible sur l'intérieur du couvercle de surface (11) ; et la ligne d'alimentation (4) est connectée entre la carte de conversion d'interface radiofréquence (3) et le module de réception sans fil. Au moyen de la première antenne (1), la seconde antenne (2) et le module de réception sans fil, l'effet de réception de signal radiofréquence est amélioré, les antennes et un module de réception de vidéo sans fil des lunettes vidéo sont détachables et remplaçables, et le câblage interne des lunettes vidéo est simplifié ; et des signaux radiofréquence de grandes valeurs de puissance sont analysés au moyen du module de réception sans fil, et une plage de couverture de réception de signal est également étendue, ce qui permet d'assurer la transmission stable des signaux radiofréquence, et d'améliorer la régularité des signaux vidéo.
PCT/CN2020/084547 2020-01-20 2020-04-13 Lunettes vidéo sans fil à double antenne WO2021147181A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202020128234.5U CN211603725U (zh) 2020-01-20 2020-01-20 一种双天线无线视频眼镜
CN202020128234.5 2020-01-20

Publications (1)

Publication Number Publication Date
WO2021147181A1 true WO2021147181A1 (fr) 2021-07-29

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Application Number Title Priority Date Filing Date
PCT/CN2020/084547 WO2021147181A1 (fr) 2020-01-20 2020-04-13 Lunettes vidéo sans fil à double antenne

Country Status (2)

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CN (1) CN211603725U (fr)
WO (1) WO2021147181A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI800033B (zh) * 2021-10-14 2023-04-21 和碩聯合科技股份有限公司 頭戴式顯示裝置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004104184A (ja) * 2002-09-04 2004-04-02 Nec Saitama Ltd 携帯型移動無線電話装置
CN2807285Y (zh) * 2005-04-14 2006-08-16 周家麐 分离式影音收发眼镜
CN104300234A (zh) * 2013-07-15 2015-01-21 联想(北京)有限公司 天线装置、电子设备和控制该天线装置的方法
CN107706548A (zh) * 2017-09-27 2018-02-16 青岛海信移动通信技术股份有限公司 一种用于可穿戴设备的天线装置和可穿戴设备
CN207440425U (zh) * 2017-12-05 2018-06-01 深圳市飞鲨电子有限公司 一种双天线无线视频眼镜的结构
CN108963456A (zh) * 2018-07-13 2018-12-07 Oppo广东移动通信有限公司 天线匹配控制方法和终端设备
CN109216877A (zh) * 2018-09-30 2019-01-15 联想(北京)有限公司 电子设备

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004104184A (ja) * 2002-09-04 2004-04-02 Nec Saitama Ltd 携帯型移動無線電話装置
CN2807285Y (zh) * 2005-04-14 2006-08-16 周家麐 分离式影音收发眼镜
CN104300234A (zh) * 2013-07-15 2015-01-21 联想(北京)有限公司 天线装置、电子设备和控制该天线装置的方法
CN107706548A (zh) * 2017-09-27 2018-02-16 青岛海信移动通信技术股份有限公司 一种用于可穿戴设备的天线装置和可穿戴设备
CN207440425U (zh) * 2017-12-05 2018-06-01 深圳市飞鲨电子有限公司 一种双天线无线视频眼镜的结构
CN108963456A (zh) * 2018-07-13 2018-12-07 Oppo广东移动通信有限公司 天线匹配控制方法和终端设备
CN109216877A (zh) * 2018-09-30 2019-01-15 联想(北京)有限公司 电子设备

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