CN113471758A - Electronic chest card, electronic chest card dock and external member - Google Patents
Electronic chest card, electronic chest card dock and external member Download PDFInfo
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- CN113471758A CN113471758A CN202110771530.6A CN202110771530A CN113471758A CN 113471758 A CN113471758 A CN 113471758A CN 202110771530 A CN202110771530 A CN 202110771530A CN 113471758 A CN113471758 A CN 113471758A
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- chest card
- electronic chest
- probe
- electronic
- magnetic element
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- 239000000523 sample Substances 0.000 claims abstract description 86
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/6205—Two-part coupling devices held in engagement by a magnet
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/005—Intermediate parts for distributing signals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The application provides an electron chest card includes: a housing; the circuit board is arranged inside the shell; a first probe capable of providing an electrical and/or communication connection, the first probe having one end electrically connected to the circuit board and another end extending to an outer surface of the housing; the first magnetic element is arranged inside or on the surface of the shell, so that the electronic chest card has magnetic attraction. In addition, this application has still provided electron chest card depressed place and external member. The application provides an electron chest card, electron chest card depressed place and external member can adsorb each other under the effect of magnetic attraction, relies on the probe to realize electric connection and/or communication connection each other fast, has "prevent slow-witted" function to electron chest card show affiliation person mark after connecting can prevent to take by mistake. The electronic chest card dock is provided with only one main output line, so that the difficulty in separation caused by winding and twisting among a plurality of data lines is avoided.
Description
Technical Field
The invention relates to a recording device, in particular to an electronic chest card with a recording function and a chest card dock for carrying the electronic chest card.
Background
At present, a common recording device includes a recording pen, and the recording pen usually adopts a USB interface (such as USB-micro/USB-type-c), and then connects an external power source to charge the recording pen with a data line, or connects an external device to copy audio data.
With the change of application scenes, electronic chest cards with a recording function appear at present. The electronic chest card still needs to be connected with an external power supply or external equipment through a data line by using a USB interface of a recording pen. However, in some application scenarios (e.g., in-house, commercial shop), each employee usually wears an electronic badge, and periodically copies the audio data stored in the electronic badge to the same external device. Thus, a need arises for connecting a plurality of electronic chest cards to the same external device at the same time and the same place. If each electronic chest card still adopts a data line to connect an external power supply or external equipment, firstly, the external power supply or the external equipment needs to be provided with enough USB interfaces, secondly, the data lines are wound and twisted to cause difficulty in separation, and furthermore, the owner of the electronic chest card cannot be identified after the charging or audio data copying is finished.
For the above reasons, it is highly desirable to provide more convenient electronic chest cards and chest card docks capable of batch charging and copying data for the electronic chest cards.
Disclosure of Invention
In view of the problems in the background art, the present invention provides an electronic chest card comprising:
a housing;
the circuit board is arranged inside the shell;
a first probe capable of providing an electrical and/or communication connection, the first probe having one end electrically connected to the circuit board and another end extending to an outer surface of the housing;
the first magnetic element is arranged inside or on the surface of the shell, so that the electronic chest card has magnetic attraction.
In some embodiments of the invention, the first magnetic element is formed of two parts juxtaposed and having opposite magnetic poles.
In some embodiments of the invention, the first magnetic element is disposed on a back or side of the housing.
In some embodiments of the invention, the first probe and the first magnetic element are disposed on the same face of the housing.
In some embodiments of the invention, the first probe is disposed adjacent to the first magnetic element.
In some embodiments of the present invention, the first probe pin is a pogo pin or a fixed pin.
In some embodiments of the invention, the first probe is a pogo pin-type probe.
In some embodiments of the invention, a display screen capable of displaying the token of the owner is mounted on the front side of the housing.
In some embodiments of the invention, the display automatically presents an identifier of the owner when the electronic chest card is electrically and/or communicatively connected via the first probe.
In addition, the present invention also provides an electronic chest card dock, comprising:
a main body having a plurality of receiving compartments for receiving electronic chest cards;
the second magnetic element is arranged in each accommodating bin, so that each accommodating bin has magnetic attraction;
a second probe disposed within each of the receiving chambers for providing a connection and/or a communication connection.
In some embodiments of the invention, each of the receiving compartments is shaped and sized to accommodate the electronic chest card to be installed; the second magnetic element is configured to: in the process that the electronic chest card with magnetic attraction is placed in the accommodating bin, physical feedback of the installation direction of the electronic chest card is provided through magnetic adsorption of the electronic chest card, and retention force is applied to accommodation of the electronic chest card in the accommodating bin; the second probe is configured to: when the electronic chest card is successfully magnetically adsorbed with the second magnetic element in the accommodating bin, the second probe is just coupled with the first probe of the electronic chest card to provide electric connection and/or communication connection.
In some embodiments of the present invention, the receiving compartment is formed by an upper surface of the main body being depressed inward so that the electronic chest card can enter the receiving compartment in a direction perpendicular to the receiving compartment.
In some embodiments of the invention, the second magnetic element is formed of two parts juxtaposed and having opposite magnetic poles.
In some embodiments of the invention, the second magnetic element is disposed adjacent to the second probe.
In some embodiments of the present invention, the second probe is a fixed thimble or a pogo-pin.
In some embodiments of the invention, the second probe is a pogo pin-type probe.
In some embodiments of the invention, each holding bin has a respective work light.
Furthermore, the present invention also provides an electronic chest card set, comprising: any of the electronic chest cards described above; and any of the electronic chest card docks described above.
The electronic chest card, the electronic chest card dock and the kit provided by the invention can be mutually adsorbed under the action of magnetic attraction, the electric connection and/or communication connection between the electronic chest card and the electronic chest card can be quickly realized by virtue of the probe, the electronic chest card has a foolproof function, and the connected electronic chest card displays the mark of an owner and can be prevented from being taken by mistake. The electronic chest card dock is provided with only one main output line, so that the difficulty in separation caused by winding and twisting among a plurality of data lines is avoided.
Drawings
Fig. 1a is a schematic structural diagram of an electronic chest card according to an embodiment of the present invention;
FIG. 1b is a partial cross-sectional view of the electronic chest card shown in FIG. 1;
fig. 2 is a schematic structural diagram of an electronic chest card dock according to an embodiment of the present invention;
FIG. 3a is a schematic view of a single receiving compartment of the electronic chest card dock of FIG. 3;
FIG. 3b is a partial cross-sectional view of the single pod of FIG. 3 a;
fig. 4 is a control schematic diagram of an electronic chest card set according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art.
As shown in fig. 1a and 1b, the present embodiment provides an electronic chest card 100, which mainly includes a housing 110, a circuit board (PCB), a first probe 120, and a first magnetic element 130. The circuit board is disposed inside the housing 110 (shielded by the housing, not shown). An electrical and/or communication connection can be provided with the first probe 120 having one end electrically connected to the circuit board and the other end extending to the outer surface of the housing. The first magnetic element 130 is disposed inside or on the housing 110 to provide magnetic attraction to the electronic chest card 100. In this embodiment, the first magnetic element 130 is a magnet, and the magnet is adhered to the inner surface of the housing 110.
It should be understood by those skilled in the art that, based on the above structure, when the electronic chest card 100 is attached to the electronic chest card dock 200 by the first magnetic element 130, the first probe 120 is used to electrically and/or communicatively connect the electronic chest card 100 and the electronic chest card dock 200. The specific structure of the electronic chest card dock 200 will be described below.
Further, the first magnetic element 130 is disposed on the back or side of the housing 110. The first probe 120 may be disposed on the same plane of the housing 110 as the first magnetic element 130.
In the embodiment shown in fig. 1a and 1b, the first probe 120 and the first magnetic element 130 are both disposed on the back side of the housing 110. It should be understood by those skilled in the art that the first probe 120 and the first magnetic element 130 may also be disposed on the side of the housing 110, or the first probe 120 is disposed on the side of the housing 110, and the first magnetic element 130 is disposed on the back of the housing 110, or the first probe 120 is disposed on the back of the housing 110, and the first magnetic element 130 is disposed on the side of the housing 110, as long as it is possible to achieve that when the electronic chest card dock 200 is attracted by the first magnetic element 130, the electronic chest card 100 can be electrically and/or communicatively connected with the electronic chest dock 200 by means of the first probe 120.
Further, the first magnetic element 130 is composed of two parts juxtaposed with opposite magnetic poles. Therefore, when the electronic chest card 100 is attached to the electronic chest card dock 200 (especially, when the first probe 120 and the first magnetic element 130 are disposed on the side of the housing 110), reverse attachment, that is, turning in the direction shown by the arrow in fig. 1a, does not occur, thereby ensuring the reliability of the electrical and/or communication connection between the electronic chest card 100 and the electronic chest card dock 200.
Further, the first probe 120 is disposed adjacent to the first magnetic element 130 such that the first probe 120 is in a region where the first magnetic element 130 has a greatest or greater attraction force, which better positions the electrical and/or communication connection of the electronic chest card 100 and the electronic chest card dock 200.
In this embodiment, the first probe 120 may be a pogo pin or a fixed pin, such as a pogo pin type probe. In fig. 1a and 1b, a first probe 120 employs a stationary thimble, the female head of a pogo pin probe. However, it will be understood by those skilled in the art that the male and female ends of pogo pin probes are always present in pairs, and that pogo pins, i.e., the male ends of pogo pin probes, may also be used for the first probe 120. In the present embodiment, the reason why the fixed thimble (i.e., the female head of the pogo pin probe) is adopted as the first probe 120 is that, considering that the electronic chest card 100 needs to be worn by the owner, the fixed thimble (i.e., the female head of the pogo pin probe) is less likely to be touched by mistake and extended or contracted than the spring thimble (i.e., the male head of the pogo pin probe), so that the abrasion of the first probe 120 can be reduced.
Further, the first probe 120 may include four contacts, two of which are used for electrical connections and two of which are used for communication connections. Furthermore, a gold plating process may be performed on the first probe 120 to prevent contact failure due to corrosion oxidation.
Further, a display screen 140 (shown with reference to fig. 2) capable of displaying the owner mark is installed on the front surface of the housing 110. The attribution label may be a name, or information such as name, title, etc. that can be identified. When electronic chest card 100 is electrically and/or communicatively connected via first probe 120, display screen 140 automatically presents a home token. Therefore, after the electronic chest card 100 is charged and/or the data transmission is completed, the owner can clearly find the electronic chest card belonging to the owner from the plurality of electronic chest cards 100, and the wrong taking is avoided.
As shown in fig. 2, 3a and 3b, another embodiment of the present invention provides an electronic chest card dock 200, which includes a main body 210, a second probe 220, and a second magnetic element 230. Wherein the main body 210 has a plurality of receiving compartments 210a for receiving the electronic chest cards 100. The second magnetic element 230 is disposed in each accommodating chamber 210a, so that each accommodating chamber 210a has a magnetic attraction. A second probe 220 for providing a connection and/or a communication connection is disposed within each of the receiving chambers 210 a.
The electronic chest card dock 200 shown in fig. 2 has ten receiving compartments 210a and is arranged in a 5 x 2 manner. It will be understood by those skilled in the art that the number of the bins 210a may be smaller or larger, and the arrangement may be freely selected. The electronic chest card dock 200 has a bus line to connect an external power source or a computer, thereby preventing entanglement of data lines provided for each of the electronic chest cards 100.
Further, each of the receiving compartments 210a is adapted in shape and size to the electronic chest card 100 to be mounted. And the second magnetic element 230 is configured to: in the process that the electronic chest card 100 with magnetic attraction is placed in the accommodating bin 210a, physical feedback of the installation direction of the electronic chest card 100 is provided through magnetic adsorption with the electronic chest card 100, and a holding force is applied to accommodation of the electronic chest card 100 in the accommodating bin 210 a; the second probe 220 is configured to: when the electronic chest card 100 is magnetically attracted to the second magnetic element 230 in the accommodating chamber 210a, the second probe 220 is coupled to the first probe 120 of the electronic chest card 100, providing an electrical and/or communication connection, thereby enabling charging of the electronic chest card 100 and/or copying of audio data stored in the electronic chest card 100 to an external device (e.g., a computer).
It will be appreciated by those skilled in the art that the second magnetic element 230 has a magnetic polarity opposite to that of the first magnetic element 130 on the side in contact with each other. The second probe 220 may also be a pogo pin or a fixed pin, such as a pogo pin probe. In fig. 2, 3a and 3b, the second probe 220 employs a pogo pin, the male of a pogo pin probe, which is normally extended and compressed when coupled to the first probe 120. Similarly, a gold plating process may be performed on the second probe 220 to prevent the second probe from being oxidized by corrosion to cause poor contact.
Still referring to fig. 2, the receiving compartment 210a is formed by an upper surface of the main body 210 being depressed inward so that the electronic chest card 100 can enter the receiving compartment 210a in a direction perpendicular to the receiving compartment 210 a. Therefore, when the electronic chest card 100 is placed in the accommodating chamber 210a, the electronic chest card 100 only needs to be roughly aligned with the accommodating chamber 210a, and the first probe 120 and the second probe 220 are rapidly coupled by virtue of the mutual attraction of the first magnetic element 130 and the second magnetic element 230, so that the electronic chest card 100 and the electronic chest card dock 200 are electrically and/or communicatively connected.
Further, the second magnetic element 230 is composed of two parts juxtaposed with opposite magnetic poles.
Further, the second magnetic element 230 is disposed adjacent to the second probe 220.
Each of the receiving chambers 210a has a respective operation indicator light 210b, and the indicator light 210b is turned on when the first probe 120 is rapidly coupled with the second probe 220 and an electrical and/or communication connection is established. In conjunction with the above, it will be appreciated by those skilled in the art that display screen 140 automatically presents the owner flag while indicator light 210b is on.
Further, in another embodiment of the present invention, there is provided an electronic chest card kit comprising any of the electronic chest cards 100 and any of the electronic chest card docks 200 as shown above.
As shown in fig. 4, the electronic chest card set operates as follows:
the first probe 120 of the electronic chest card 100 is coupled with the second probe 220 of the electronic chest card dock 200;
the first probe 120 and a part of pins of the second probe 220 form an electrical connection, thereby charging the electronic chest card 100;
the first probe 120 and another part pin of the second probe 220 form a communication connection, so that audio data stored in the electronic chest card 100 can be copied to an external device (such as a computer);
after both the electrical and communication connections are established, indicator light 210b is turned on and display screen 140 automatically displays the owner designation.
In the description herein, reference to the description of the terms "certain embodiments," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and are not limitative. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (18)
1. Electronic chest card, its characterized in that includes:
a housing;
the circuit board is arranged inside the shell;
a first probe capable of providing an electrical and/or communication connection, the first probe having one end electrically connected to the circuit board and another end extending to an outer surface of the housing;
the first magnetic element is arranged inside or on the surface of the shell, so that the electronic chest card has magnetic attraction.
2. The electronic chest card of claim 1, wherein:
the first magnetic element is composed of two parts which are juxtaposed and have opposite magnetic poles.
3. The electronic chest card of claim 1, wherein:
the first magnetic element is arranged on the back or the side of the shell.
4. The electronic chest card of claim 3, wherein:
the first probe and the first magnetic element are arranged on the same surface of the shell.
5. The electronic chest card of claim 1, wherein:
the first probe is disposed adjacent to the first magnetic element.
6. The electronic chest card of claim 1, wherein:
the first probe is a spring thimble or a fixed thimble.
7. The electronic chest card of claim 6, wherein:
the first probe is a pogo pin probe.
8. The electronic chest card according to any one of claims 1 to 7, wherein:
and a display screen capable of displaying the mark of the owner is arranged on the front surface of the shell.
9. The electronic chest card of claim 8, wherein:
when the electronic chest card is electrically and/or communicatively connected by means of the first probe, the display automatically displays an identifier of the owner.
10. Electronic chest card depressed place, its characterized in that includes:
a main body having a plurality of receiving compartments for receiving electronic chest cards;
the second magnetic element is arranged in each accommodating bin, so that each accommodating bin has magnetic attraction;
a second probe disposed within each of the receiving chambers for providing a connection and/or a communication connection.
11. The electronic chest card dock of claim 10, wherein:
each accommodating bin is adaptive to the electronic chest card to be installed in shape and size;
the second magnetic element is configured to: in the process that the electronic chest card with magnetic attraction is placed in the accommodating bin, physical feedback of the installation direction of the electronic chest card is provided through magnetic adsorption of the electronic chest card, and retention force is applied to accommodation of the electronic chest card in the accommodating bin;
the second probe is configured to: when the electronic chest card is successfully magnetically adsorbed with the second magnetic element in the accommodating bin, the second probe is just coupled with the first probe of the electronic chest card to provide electric connection and/or communication connection.
12. The electronic chest card dock of claim 11, wherein:
the accommodating bin is formed by inwards recessing the upper surface of the main body, so that the electronic chest card can enter the accommodating bin in a direction perpendicular to the accommodating bin.
13. The electronic chest card dock of claim 10, wherein:
the second magnetic element is composed of two parts which are juxtaposed and have opposite magnetic poles.
14. The electronic chest card dock of claim 10, wherein:
the second magnetic element is disposed adjacent to the second probe.
15. The electronic chest card dock of claim 10, wherein:
the second probe is a fixed thimble or a spring thimble.
16. The electronic chest card dock of claim 15, wherein:
the second probe is a pogo pin-type probe.
17. The electronic chest card dock of any one of claims 10 to 16 wherein each receiving compartment has a respective work light.
18. Electronic chest card external member, its characterized in that includes:
the electronic chest card of any one of claims 1-9;
the electronic chest card dock of any one of claims 10-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110771530.6A CN113471758A (en) | 2021-07-08 | 2021-07-08 | Electronic chest card, electronic chest card dock and external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110771530.6A CN113471758A (en) | 2021-07-08 | 2021-07-08 | Electronic chest card, electronic chest card dock and external member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113471758A true CN113471758A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110771530.6A Pending CN113471758A (en) | 2021-07-08 | 2021-07-08 | Electronic chest card, electronic chest card dock and external member |
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| CN211152206U (en) * | 2019-12-02 | 2020-07-31 | 海能达通信股份有限公司 | Accessory, terminal host and terminal |
| CN210806242U (en) * | 2019-12-16 | 2020-06-19 | 南京博讯智云科技有限公司 | Magnetic Type multifunctional docking station based on Type-C interface |
| CN211906793U (en) * | 2020-04-09 | 2020-11-10 | 黄一峻 | Electronic chest card with display function |
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Application publication date: 20211001 |