WO2018054089A1

WO2018054089A1 - Lens and electronic device

Info

Publication number: WO2018054089A1
Application number: PCT/CN2017/086864
Authority: WO
Inventors: 田凤莲; 李屹
Original assignee: 深圳市光峰光电技术有限公司
Priority date: 2016-09-22
Filing date: 2017-06-01
Publication date: 2018-03-29

Abstract

A lens and an electronic device. The lens is adapted to be mounted in an electronic device having a lens control system and works in concert with the lens control system. The lens comprises an ID module and a lens mount circuit; the ID module generates an ID electric signal for indicating the lens model; the lens mount circuit is used for receiving the ID electric signal and sending the ID electric signal to the lens control system to allow the lens control system to identify the lends ID and configure corresponding system parameters for the lens. The lens is able to allow a lens control system of an electronic device to identify the lens ID, so that the electronic device can adjust its system parameters to match the lens, thereby making the lens to match the lens control system of the electronic device and improving the photographing effect or the projected display effect.

Description

Lens and electronic device

Technical field

The invention relates to a lens and an electronic device.

Background technique

Electronic devices, such as cameras, cameras, thermal imaging cameras, and the like, usually have a lens, and people often wear different types of lenses on cameras, cameras, thermal imaging cameras, etc. to meet different shooting situations. The need for projection.

technical problem

However, after each new lens is replaced, the existing photographic equipment or projection device still uses the imaging parameters or projection parameters of the original lens, so that the camera parameters or projection parameters are not matched with the lens, which results in a camera effect. Or the problem that the projection display is not good.

Technical solution

In order to solve the problem that the imaging effect or the projection display effect is poor after the replacement of the lens by the prior art electronic device, the present invention provides a lens and an electronic device capable of improving the imaging effect or the projection display.

A lens comprising an ID module and a lens interface circuit, the ID module generating an ID electrical signal representative of the lens model, the lens interface circuit for receiving the ID electrical signal and the ID electrical signal Sending to the lens control system to cause the lens control system to identify the ID of the lens and configure the lens with corresponding system parameters.

In one embodiment, the ID electrical signal is a digital signal.

In one embodiment, the ID electrical signals are parallel signals.

In one embodiment, the ID electrical signal is an n-bit binary parallel digital signal, and the n-bit ID electrical signal represents a maximum number of lens models of 2 n-th power minus 1, n is A natural number greater than or equal to 2.

In one embodiment, the lens interface circuit includes n ID transmitting electrodes, each ID transmitting electrode is configured to transmit a one-bit binary signal, each binary signal is a high level signal representing 1 or low representing 0 Level signal.

In one embodiment, the lens further includes a motor electrically coupled to the lens control system via the lens interface circuit to cause the lens control system to drive the motor to adjust parameters of the lens.

In one embodiment, the lens control system includes a lens base and a control unit, the lens mount is electrically connected between the lens and the control unit, and the lens is mounted on the lens mount, The lens mount receives the ID electrical signal and provides the ID electrical signal to the control unit to cause the control unit to identify an ID of the lens.

An electronic device comprising a lens and a lens control system, the lens comprising an ID module and a lens interface circuit, the ID module generating an ID electrical signal representative of the lens model, the lens interface circuit for receiving the ID And transmitting the ID electrical signal to the lens control system to cause the lens control system to identify an ID of the lens and configure a corresponding system parameter to the lens, the lens control system being electrically connected to the lens Configure the lens with the corresponding system parameters.

The lens control system includes a lens base and a control unit, the lens is connected and fixed to the lens base, and the lens base is further configured to provide the ID electrical signal to the control unit, and the control unit is The ID electrical signal identifies the ID of the lens and configures the lens with corresponding system parameters.

In one embodiment, the ID electrical signal is a digital signal.

In one embodiment, the ID electrical signals are parallel signals.

In one embodiment, the lens interface circuit includes n ID transmitting electrodes, the lens mount interface circuit includes n ID receiving electrodes, and the n ID transmitting electrodes are used for one of the n ID receiving electrodes An electrical connection, each ID transmitting electrode is used to send a binary signal to the corresponding ID receiving electrode, each binary signal is a high level signal representing 1 or a low level signal representing 0.

In one embodiment, the lens further includes a motor electrically connected to the control unit through the lens interface circuit and the lens base to cause the control unit to drive the motor to adjust the lens. parameter.

In one embodiment, the lens mount further includes a first connector for electrically connecting with the control unit to provide the ID electrical signal to the control unit.

In one embodiment, the control unit includes a second connector and a lens recognition module, the first connector is further configured to electrically connect the second connector, and the lens recognition module is further configured to receive the The ID electrical signal identifies the model of the lens based on the ID electrical signal.

In one embodiment, the electronic device is a projection device.

Beneficial effect

Compared with the prior art, the lens and the electronic device are capable of transmitting an ID electrical signal representing a lens model through the lens control system, so that the lens control system identifies the ID of the lens according to the ID electrical signal, thereby the lens control system The camera system can be adjusted to match the lens so that the lens matches the lens control system to improve the imaging effect or the projection display effect.

DRAWINGS

1 is a schematic structural view of an electronic device according to a preferred embodiment of the present invention.

Main component symbol description

Electronic device 10

Lens 20

Lens mount 30

Control unit 40

Lens control system 50

ID module 21

Motor 22

Lens interface circuit 23

ID transmitting electrode 231, 232, 233

Input electrode 234

Lens mount interface circuit 31

ID receiving electrode 311, 312, 313

Output electrode 314

Connector 32, 41

Lens recognition module 42

The invention will be further illustrated by the following detailed description in conjunction with the accompanying drawings.

BEST MODE FOR CARRYING OUT THE INVENTION

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims.

In the following description, numerous specific details are set forth in order to provide a full understanding of the present invention, but the invention may be practiced in other ways than those described herein, and those skilled in the art can do without departing from the scope of the invention. The invention is not limited by the specific embodiments disclosed below.

The present invention will be described in detail in conjunction with the accompanying drawings. When the embodiments of the present invention are described in detail, for the convenience of description, the cross-sectional views showing the structure of the device will not be partially enlarged, and the schematic diagram is only an example, which should not be limited herein. The scope of protection of the present invention. In addition, the actual three-dimensional dimensions of length, width and depth should be included in the actual production.

The details are described below by way of examples.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of an electronic device 10 according to a preferred embodiment of the present invention. The electronic device 10 may be a projection device, such as a projector, but is not limited to a projector, and may also be an imaging device such as a camera or a camera.

The electronic device 10 includes a lens 20 and a lens control system 50. The lens control system 50 includes a lens base 30 and a control unit 40. The lens 20 is mounted on the lens base 30 and electrically connected to the lens base 30 and fixed. The lens 20 is further configured to transmit an ID electrical signal representative of a lens model to the lens mount 30, the lens mount 30 for providing the ID electrical signal to the control unit 40. The control unit 40 is configured to identify an ID of the lens 20 according to the ID electrical signal, and the control unit 40 may be configured according to the lens 20 The ID of the camera 20 is configured with corresponding system parameters, that is, the control unit 40 can adjust the system parameters according to the ID of the lens 20, so that the lens 20 matches the control unit 40, thereby improving the imaging effect or Projection display effect. It can be understood that the system parameter may be a size of a shooting picture or a projected picture, a brightness of a shooting picture or a projection, a fill light intensity of a shooting picture or a projected picture, a white balance value, and the like, but is not limited to the above parameters.

The lens 20 includes an ID module 21, a motor 22, and a lens interface circuit 23. The ID module 21 and the motor 22 are both electrically connected to the lens interface circuit 23. The ID module 21 is configured to generate an ID electrical signal representative of the lens model and provide the ID electrical signal to the lens interface circuit 23. The motor 22 can receive control signals, power signals, and the like from the lens interface circuit 23. In an embodiment, the motor 22 can also control parameters such as adjusting the focal length of the lens 20.

The lens interface circuit 23 includes ID transmitting electrodes 231, 232, 233 and an input electrode 234. The ID transmitting electrodes 231, 232, and 233 are configured to transmit the ID electrical signals, and the input electrodes 234 are configured to receive the control signals, power signals, and the like. In the present embodiment, the ID transmitting electrodes 231, 232, and 233 are three, but are not limited to three, and may be one or two or three or more. Only one of the input electrodes 234 is illustrated as an example, but is not limited to one.

The lens base 30 is configured to mount the lens 20, and receive an ID electrical signal sent by the lens interface circuit 23 and send the ID electrical signal to the control unit 40. The lens mount 30 includes a lens mount interface circuit 31 and a connector 32. The lens mount interface circuit 31 is electrically connected to the lens interface circuit 23, and receives an ID electrical signal provided by the lens interface circuit 23 and provides the control signal and the power signal to the lens interface circuit 23. The lens mount interface circuit 31 includes ID receiving electrodes 311, 312, 313 and an output electrode 314. The ID receiving electrodes 311, 312, and 313 are electrically connected to the ID transmitting electrodes 231, 232, and 233 to receive the ID electrical signals, and the output electrodes 314 are electrically connected to the input electrodes 234. And transmitting the control signal, power signal, and the like to the input electrode 234. In the present embodiment, the ID receiving electrodes 311, 312, and 313 are three, but are not limited to three, and may be one or two or three or more. Only one of the output electrodes 314 is illustrated as an example, but is not limited to one.

In the present embodiment, the ID electrical signal is a parallel digital signal, but it can be understood that in the modified embodiment, the ID electrical signal may be a serial digital signal. Specifically, in the embodiment, the ID electrical signal is a 3-bit binary parallel digital signal. The 3-bit binary parallel digital signal can represent a maximum number of lens models of 2, a power of 3 minus 1, that is, 7 models of lenses. Wherein, each binary signal is a high level signal representing 1 or a low level signal representing 0. Therefore, in the embodiment, the ID electrical signals that can represent the seven types of lenses can be: 110, 101, 100, 011, 010, 001, 000, respectively, and 111 can be used to characterize the lens mount 30 without the lens attached. The situation. Of course, it can be understood that, in a modified embodiment, the ID electrical signal is a binary parallel digital signal that is not equal to 3 bits (such as n bits), and the number of lens models represented by the n-bit ID electrical signal The maximum value is 2 minus n, and n is a natural number greater than or equal to 2.

The connector 32 is electrically connected between the lens mount interface circuit 31 and the control unit 40 for receiving the ID electrical signal and receiving the control signal and the power signal from the control unit 40 and providing The control signal and the power signal are equal to the lens mount interface circuit 31.

The control unit 40 includes a connector 41 and a lens recognition module 42 that is also used to electrically connect the connector 32 to receive the ID electrical signal from the connector 32 and to the connector 32. Sending the control signal, power signal, and the like. The lens recognition module 42 is electrically connected to the connector 41. The lens recognition module 42 is further configured to receive the ID electrical signal and identify an ID of the lens 20 according to the ID electrical signal, and then the control unit 40 The lens 20 can be adjusted according to the model of the lens 20 to adjust the camera system 20 so that the lens 20 matches the control unit 40 to improve the imaging effect or the projection display effect. The lens mount 30 and the control unit 40 also constitute a lens control system 50 for mounting and controlling the lens 20.

Compared with the prior art, the lens 20 of the electronic device 10 is capable of transmitting an ID electrical signal representing a lens model through the lens mount 30 to the control unit 40, so that the control unit 40 identifies the lens 20 according to the ID electrical signal. The ID of the control unit 40 can adjust the system parameters to match the lens 20, so that the lens 20 is matched with the control unit 40 to improve the imaging effect or the projection display effect.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims

A lens for use in an electronic device having a lens control system and for use with the lens control system, wherein the lens comprises an ID module and a lens interface circuit, and the ID module generates a representative office An ID electrical signal of the lens model, the lens interface circuit is configured to receive the ID electrical signal and send the ID electrical signal to a lens control system, so that the lens control system identifies the ID of the lens and gives The lens configuration corresponding system parameters.

2. A lens according to claim 1 wherein said ID electrical signal is a digital signal.

3. A lens according to claim 1 wherein said ID electrical signals are parallel signals.

The lens according to claim 2 or 3, wherein the ID electrical signal is an n-bit binary parallel digital signal, and the n-bit ID electrical signal represents a maximum value of a corresponding number of lens models. Decrease 1 by the nth power of 2, n is a natural number greater than or equal to 2.

The lens according to claim 4, wherein the lens interface circuit comprises n ID transmitting electrodes, and each ID transmitting electrode is configured to transmit a one-bit binary signal, and each binary signal is a high power representing 1 A flat signal or a low level signal representing zero.

6. The lens of claim 1 wherein said lens further comprises a motor electrically coupled to said lens control system via said lens interface circuit to cause said lens control system to drive said motor Adjust the parameters of the lens.

An electronic device comprising the lens and lens control system according to any one of claims 1 to 6, wherein the lens control system is electrically connected to the lens and configures corresponding lens parameters for the lens.

The electronic device of claim 7 , wherein the lens control system comprises a lens base and a control unit, the lens base is electrically connected between the lens and the control unit, and the lens is mounted On the lens mount, the lens is further configured to send an ID electrical signal representing a lens model to the lens mount, the lens mount for providing the ID electrical signal to the control unit, the control unit And configured to identify an ID of the lens according to the ID electrical signal and configure a corresponding system parameter for the lens.

The electronic device as claimed in claim 8 , wherein the lens base comprises a lens mount interface circuit electrically connected to the lens interface circuit, and the lens interface circuit is configured to receive the The ID electrical signal transmits the ID electrical signal to the lens mount interface circuit.

The electronic device according to claim 9, wherein the lens base further comprises a first connector, the first connector is configured to be electrically connected to the control unit to provide the ID electrical signal To the control unit.

The electronic device according to claim 10, wherein the control unit comprises a second connector and a lens recognition module, the first connector is further configured to electrically connect the second connector, The lens recognition module is further configured to receive the ID electrical signal and identify an ID of the lens according to the ID electrical signal.

The electronic device according to any one of claims 7 to 11, wherein the electronic device is a projection device.