Position detection device
A technology for detection devices and detection parts, which is applied in printing devices, focusing devices, projection devices, etc., can solve problems such as poor image quality, high power consumption, and long imaging time, so as to shorten the time spent and reduce power consumption volume effect
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Example Embodiment
[0071] Embodiment 1
[0072] figure 1 It is a figure for demonstrating an example of Embodiment 1 of the position detection apparatus of this invention. In the figure, reference numeral 1 represents a lens, reference numeral 2 represents a permanent magnet (X-axis OIS magnet and AF magnet), reference numeral 3 represents an autofocus (AF) coil, and reference numeral 4 represents an AF position Sensor (Hall element), reference numeral 5 represents a coil for X-axis OIS, reference numeral 6 represents a position sensor (Hall element) for X-axis OIS, reference numeral 111 represents the optical axis of the lens, and reference numeral 113 represents The axis direction of the autofocus (AF) coil, and reference numeral 115 denotes the axis direction of the X-axis OIS coil.
[0073] The position detection device of the present invention is a position detection device that detects the position of the lens 1 in a plane perpendicular to the optical axis direction of the lens 1 to detect t...
Example Embodiment
[0132] Embodiment 2
[0133] Picture 10 (a), Picture 10 (b) is a configuration diagram for explaining the second embodiment of the position detection device of the present invention, Picture 10 (a) is a top view, Picture 10 (b) is a bottom view. The reference numeral 31 in the figure denotes an elastic member (spring (Japanese: Baba or Sprinkle)), and the reference numeral 32 denotes a post (power supply terminal). In addition, the pair has and figure 2 with image 3 The same reference numerals are attached to the components with the same functions in the above.
[0134] Such as Picture 10 (a), Picture 10 As shown in (b), it includes: a driving body 11b which holds the lens 11a; four pillars 32 which are provided at the four corners of the housing 21 as power supply terminals for supplying drive current; and four power supply terminals Two spring members (springs (Japanese: バネ or Sprinkle)) connected to the driving body 11b each of the support 32. In addition, the driving...
Example Embodiment
[0167] Embodiment 3
[0168] Figure 22 Is a perspective view for explaining Embodiment 3 of the position detection device of the present invention, Figure 23 Yes Figure 22 The top view of the position detection device shown is a view of the position detection device from the direction of the optical axis a of the lens. Reference numeral 12A in the figure denotes a permanent magnet (a magnet for A-axis OIS and a magnet for AF), reference numeral 12B denotes a magnet for B-axis OIS, reference numeral 13 denotes an autofocus (AF) coil, and reference numeral 14 Reference numeral 15A represents a Hall element for AF, reference numeral 15A represents a coil for A-axis OIS (shake correction), reference numeral 15B represents a coil for B-axis OIS, reference numeral 16A represents a Hall element for A-axis OIS, reference numeral 16B Indicates a Hall element for B-axis OIS, reference numeral 17 represents a yoke, reference numeral 18 represents an AF drive shaft, reference numeral 19A...
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