Main electronic device, extended electronic device and extendable electronic system
A technology for electronic devices and electronic systems, which is applied in electrical digital data processing, sound input/output, instruments, etc., can solve problems such as increased cost, inconvenience, and general products have no structure, and achieve product structure improvement, overall performance, and technology. effect of progress
Active Publication Date: 2009-07-08
ZHIGU HLDG
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Problems solved by technology
[0006] In fact, besides the voice transmission function, the main electronic device 1 also has the data transmission function. It is a very popular trend to use the Global Positioning System (Global Positioning System, GPS) in combination with the personal digital assistant. However, such data transmission It cannot be achieved by the headphone / microphone jack, but requires another transmission interface. In this way, it will not only increase the designer's design troubles and time, but also increase the cost. In addition, the headphone / microphone jack The function is also monotonous
[0007] It can be seen that the above-mentioned existing main electronic device and expansion electronic device obviously still have inconvenience and defects in structure and use, and need to be further improved urgently.
In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and the general products do not have a suitable structure to solve the above-mentioned problems. This is obviously related. The problem that the industry is eager to solve
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[0051]In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, below in conjunction with the accompanying drawings and preferred embodiments, the main electronic device, the expansion electronic device and the expandable electronic system proposed according to the present invention are described in detail. Embodiments, structures, features and effects thereof are described in detail below.
[0052] see figure 2 As shown, an expandable electronic system 3 of a preferred embodiment of the present invention includes a main electronic device 4 and an extended electronic device 5; wherein:
[0053] The main electronic device 4 is a portable electronic device with an earphone / microphone jack 41, such as a mobile phone, a personal digital assistant or a notebook computer, etc. Here, a personal digital assistant is taken as an example.
[0054] The expansion electronic device 5 is a portable data processin...
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The invention relates to a main electronic device, an extended electronic device and an expandable electronic system. The expandable electronic system includes an expanded electronic device and a main electronic device. The expansion electronic device has a three-section plug; the main electronic device has a headphone / microphone jack, a voice interface module and a data interface module, and the headphone / microphone jack has four signal contacts, and these signal contacts are connected to the voice The interface module is electrically connected, or three of the signal contacts are electrically connected to the data interface module. When the three-section plug is inserted into the earphone / microphone jack, each section of the three-section plug is electrically connected to the three signal contacts of the earphone / microphone jack, and the expansion electronic device and the main electronic device are connected through the three-section plug, The headphone / microphone jack and the data interface module communicate with each other. The present invention can carry out voice transmission and data transmission through the earphone / microphone jack, thereby reducing cost and improving overall performance.
Description
technical field [0001] The invention relates to a main electronic device and an extended electronic device, in particular to a main electronic device, an extended electronic device and an expandable electronic system. Background technique [0002] With the advancement of technology, modern people pay more and more attention to the quality of life, like many people will carry a small music player, such as: MP3 Player, iPod or Personal Digital Assistant (Personal Digital Assistant, PDA) and so on. These electronic devices are provided with an earphone jack or an earphone / microphone jack for users to insert an expansion electronic device, such as an earphone or a microphone plug, for voice transmission. [0003] see figure 1 As shown, an existing main electronic device 1 , such as a personal digital assistant, is used in cooperation with an existing extension electronic device 2 , such as an earphone microphone. Wherein, the main electronic device 1 has an earphone / microphone...
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IPC IPC(8): G06F13/38G06F3/16
Inventor 吴博祥
Owner ZHIGU HLDG