(a) Technical Field of the Invention
The present invention is related to a magnetic oscillation metric controller, and more particularly, to one that drives a permanent magnet to displace by oscillation thus to retrieve changed signals for metric control.
(b) Description of the Prior Art
From the keyboard at the beginning, till the introduction of cabled mouse, wireless cable or optical mouse today, many peripherals to control movement of cursor or scroll bar on monitor have been available in the history of the development of computer with the primary purpose to control three mechanisms including movement of the cursor, scrolling the screen and clicking to select.
Given with the current mouse designed with lateral scrolling function as illustrated in
However, the prior art is found with the following flaws:
1. Problems with the touch mechanism. The design with the micro-switch is found with many problems including the presence of the action spacing, lower sensitivity and short service life are observed with the touch mechanism of the micro-switch.
2. Greater force needed to touch the micro-switch. This makes the operation uncomfortable putting the design of the touch micro-switch under serious criticism and trial.
3. The limited mechanical service life. Any failure or poor contact due to tear and wear of any micro-switch will frustrate the control and operation, or even prevent the micro-switch useless, thus to shorten the service life of the oscillation metric control structure that essentially operates on the micro-switch.
4. Higher production cost and more workstations in the assembly. With the comparatively more precise and complicated design, significant increase of total production is taken for granted.
5. Larger size. A pair of press bars must be provided by respectively extending from both sides of the oscillation structure to touch corresponding LH and RH micro-switches to fail the compact requirements, thus making it difficult to apply in the construction of a small size such as the mouse.
The primary purpose of the present invention is to provide a magnetic oscillation controller to eliminate flaws found with the prior art. To achieve the purpose, a Hall sensor and permanent magnet are used to exit the micro-switch to provide the following advantages:
1. Installation of the Hall sensor and the permanent magnet change the mechanical operation of the prior art into electronic operation without being subject to the service life of the switch thus to significantly increase the service life and reduce the production cost.
2. The present invention essentially operates on the signals from the magnetic filed thus to save the space otherwise occupied by LH and RH micro-switches in the prior art to significantly reduce the volume of the construction for easy application in a mouse device in smaller or special size.
3. Changes of signal from the magnetic field are synchronously generated with the oscillation, and then processed by the operation of the programs in a microprocessor, thus to allow adjustment and setup of the oscillation sensitivity for control purpose.
4. The electronic operation in the absence of micro-switch permits the oscillation sensitivity for control to be adjusted as desired by the user thus to meet the operation pattern of the individual user.
5. Signals from the magnetic field are consistent without being subject to interference from external noises, thus to provide consistent, reliable and precise control.
6. The present invention allows the adjustment of the volume and size of related devices in conjunction with the updated electronic manufacturing technology depending on the application of the information productions requiring metric and control.
The foregoing object and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts.
Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
The following descriptions are of exemplary embodiments only, and are not intended to limit the scope, applicability or configuration of the invention in any way. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the invention. Various changes to the described embodiments may be made in the function and arrangement of the elements described without departing from the scope of the invention as set forth in the appended claims.
Referring to
As illustrated in
As illustrated in
Now referring to
It will be understood that each of the elements described above, or two or more together may also find a useful application in other types of methods differing from the type described above.
While certain novel features of this invention have been shown and described and are pointed out in the annexed claim, it is not intended to be limited to the details above, since it will be understood that various omissions, modifications, substitutions and changes in the forms and details of the device illustrated and in its operation can be made by those skilled in the art without departing in any way from the spirit of the present invention.
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