CN103926782A - Interchangeable lens, camera body, and electronic device - Google Patents

Abstract

The present invention provides an interchangeable lens, a camera body, and an electronic device. The interchangeable lens is detachably attached to a camera body and includes a holding unit at which a plurality of contacts is arranged, and the interchangeable lens comprises: a first contact group to which a drive voltage for operating the drive device is supplied from the camera body; a second contact group that is a ground terminal corresponding to the drive voltage; a driving unit that drives a driven member to move; and a power supply contact arranged at the holding unit and used for supplying a driving voltage for during the drive unit to move from the camera body, and in the holding unit, the second contact group is arranged closer to the power supply contact than the first contact group.

Description

Interchangeable lens, camera main-body and equipment

The application is the divisional application that on February 18th, 2011 is that submit to, that application number is 201110041741.0, denomination of invention is the application of " interchangeable lens, camera main-body and electronic equipment ".

Technical field

The present invention relates to a kind of interchangeable lens, camera main-body and electronic equipment.

Background technology

Be known to carry out the camera system of electrical communication between camera main-body and interchangeable lens.For example in patent documentation 1, record the interchangeable lens with the terminal group for for example, communicating with camera main-body and adapter (adapter ring, back focus converter).The circular-arc alignment arrangements of this terminal group, its one end disposed adjacent for from camera main-body to interchangeable lens and adapter the terminal group of power supply is provided.

Patent documentation 1:JP Unexamined Patent 7-234432 communique

Summary of the invention

In the camera main-body and interchangeable lens described in patent documentation 1, be positioned at the terminal group of supplying with non-conterminous one end of terminal group of use with power supply for the terminal group communicating, be easy to be subject to the impact from outside noise.

The invention of technical scheme 1 is a kind of interchangeable lens, can be with respect to camera main-body dismounting, and there is the maintaining part that has configured multiple contacts, it is characterized in that having: optical system, contain can drive by driver part; Driver element, makes to be driven by driver part; The 1st contact, is provided to the 1st contact for the driving voltage that makes driver element action from camera main-body; The 2nd contact, becomes the ground terminal corresponding with driving voltage; The 3rd contact, for inputting the 1st clock signal from camera main-body; The 4th contact, for the 1st clock signal synchronization from camera main-body input the 1st data-signal; The 5th contact, for the 1st clock signal synchronization to camera main-body output the 2nd data-signal; The 6th contact, for inputting the 2nd clock signal from camera main-body; The 7th contact, for the 2nd clock signal synchronization to camera main-body output the 3rd data-signal; The 8th contact, for outputing to camera main-body with the 1st clock signal and nonsynchronous the 1st nonsynchronous signal of the 2nd clock signal; The 9th contact, for inputting and the 1st clock signal and nonsynchronous the 2nd nonsynchronous signal of the 2nd clock signal from camera main-body; The 10th contact, for outputing to camera main-body with the 1st clock signal and nonsynchronous the 3rd nonsynchronous signal of the 2nd clock signal; The 11st contact, operation voltage is provided to the 11st contact from camera main-body, this operation voltage is for according to the 1st nonsynchronous signal from the 8th contact output and in the 1st clock signal of the 3rd contact input, use the 4th contact to receive the 1st data-signal from camera main-body, and use the 5th contact to send the 2nd data-signal to camera main-body, and, according to the 2nd nonsynchronous signal at the 9th contact input, from the 3rd nonsynchronous signal of the 10th contact output and in the 2nd clock signal of the 6th contact input, use the 7th contact to send the 3rd data-signal to camera main-body; And the 12nd contact, become the ground terminal corresponding with operation voltage, these 12 joint configuration of the 1st contact to the 12 contacts are in maintaining part, the 1st joint configuration is in one end of the configuration of 12 contacts, the 11st joint configuration is at the other end of configuration, the 2nd contact is configured in the side of the 1st contact in the configuration of 12 contacts, and the 12nd contact is configured in the side of the 11st contact in the configuration of 12 contacts.

The invention of technical scheme 2 is a kind of interchangeable lens, can be with respect to camera main-body dismounting, and there is the maintaining part that has configured multiple contacts, it is characterized in that having: optical system, contain can drive by driver part; Driver element, makes to be driven by driver part; The 1st contact, is provided to the 1st contact for the driving voltage that makes driver element action from camera main-body; The 2nd contact, becomes the ground terminal corresponding with driving voltage; The 3rd contact, for inputting the 1st clock signal from camera main-body; The 4th contact, for the 1st clock signal synchronization from camera main-body input the 1st data-signal; The 5th contact, for the 1st clock signal synchronization to camera main-body output the 2nd data-signal; The 6th contact, for inputting the 2nd clock signal from camera main-body; The 7th contact, for the 2nd clock signal synchronization to camera main-body output the 3rd data-signal; The 8th contact, for outputing to camera main-body with the 1st clock signal and nonsynchronous the 1st nonsynchronous signal of the 2nd clock signal; The 9th contact, for inputting and the 1st clock signal and nonsynchronous the 2nd nonsynchronous signal of the 2nd clock signal from camera main-body; The 10th contact, for outputing to camera main-body with the 1st clock signal and nonsynchronous the 3rd nonsynchronous signal of the 2nd clock signal; The 1st communication unit, according to the 1st nonsynchronous signal from the 8th contact output and in the 1st clock signal of the 3rd contact input, uses the 4th contact to receive the 1st data-signal from camera main-body, and uses the 5th contact to send the 2nd data-signal to camera main-body; The 2nd communication unit, the 3rd nonsynchronous signal of exporting according to the 2nd nonsynchronous signal at the 9th contact input, from the 10th contact and the 2nd clock signal at the 6th contact input, used the 7th contact to send the 3rd data-signal to camera main-body; The 11st contact, the operation voltage of the 1st communication unit and the 2nd communication unit is provided to the 11st contact from camera main-body; And the 12nd contact, become the ground terminal corresponding with operation voltage, these 12 joint configuration of the 1st contact to the 12 contacts are in maintaining part, the 1st joint configuration is in one end of the configuration of 12 contacts, the 11st joint configuration is at the other end of configuration, the 2nd contact is configured in the side of the 1st contact in the configuration of 12 contacts, and the 12nd contact is configured in the side of the 11st contact in the configuration of 12 contacts.

The invention of technical scheme 3 is a kind of interchangeable lens, can be with respect to camera main-body dismounting, and there is the maintaining part that has configured multiple contacts, it is characterized in that having: optical system, contain can drive by driver part; Driver element, makes to be driven by driver part; The 1st contact, is provided to the 1st contact for the driving voltage that makes driver element action from camera main-body; The 2nd contact, becomes the ground terminal corresponding with driving voltage; The 3rd contact, for inputting the 1st clock signal from camera main-body; The 4th contact, for the 1st clock signal synchronization from camera main-body input the 1st data-signal; The 5th contact, for the 1st clock signal synchronization to camera main-body output the 2nd data-signal; The 6th contact, for inputting the 2nd clock signal from camera main-body; The 7th contact, for the 2nd clock signal synchronization to camera main-body output the 3rd data-signal; The 8th contact, for outputing to camera main-body with the 1st clock signal and nonsynchronous the 1st nonsynchronous signal of the 2nd clock signal; The 9th contact, for inputting and the 1st clock signal and nonsynchronous the 2nd nonsynchronous signal of the 2nd clock signal from camera main-body; The 10th contact, for outputing to camera main-body with the 1st clock signal and nonsynchronous the 3rd nonsynchronous signal of the 2nd clock signal; The 11st contact, the magnitude of voltage operation voltage different from driving voltage is provided to the 11st contact from camera main-body; And the 12nd contact, become the ground terminal corresponding with operation voltage, these 12 joint configuration of the 1st contact to the 12 contacts are in maintaining part, the 1st joint configuration is in one end of the configuration of 12 contacts, the 11st joint configuration is at the other end of configuration, the 2nd contact is configured in the side of the 1st contact in the configuration of 12 contacts, and the 12nd contact is configured in the side of the 11st contact in the configuration of 12 contacts.

The invention of technical scheme 7 is a kind of interchangeable lens, can be with respect to camera main-body dismounting, and there is the maintaining part that has configured multiple contacts, it is characterized in that having: optical system, contain can drive by driver part, driver element, makes to be driven by driver part, the 1st contact, for being provided for making the driving voltage of driver element action from camera main-body, the 2nd contact, becomes the ground terminal corresponding with driving voltage, communication system contact, is made up of multiple contacts, and between camera main-body, carries out the transmitting-receiving of prearranged signal, the 3rd contact, the operation voltage that carries out data transmit-receive for using between communication system contact and camera main-body is provided to the 3rd contact, and the 4th contact, become the ground terminal corresponding with operation voltage, the 1st contact, the 2nd contact, the 3rd contact, the 4th contact and communication system joint configuration are in maintaining part, the 1st joint configuration is at the 1st contact, the 2nd contact, the 3rd contact, one end of the configuration of the 4th contact and communication system contact, the 3rd joint configuration is at the other end of configuration, the 2nd contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 1st contact, the 4th contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 3rd contact.

The invention of technical scheme 8 is a kind of interchangeable lens, can be with respect to camera main-body dismounting, and there is the maintaining part that has configured multiple contacts, it is characterized in that having: optical system, contain can drive by driver part, driver element, makes to be driven by driver part, the 1st contact, for being provided for making the driving voltage of driver element action from camera main-body, the 2nd contact, becomes the ground terminal corresponding with driving voltage, communication system contact, is made up of multiple contacts, and between camera main-body, carries out the transmitting-receiving of prearranged signal, communication unit, uses communication system contact, and between camera main-body, carries out the transmitting-receiving of data, the 3rd contact, the operation voltage of communication unit is provided to the 3rd contact from camera main-body, and the 4th contact, become the ground terminal corresponding with operation voltage, the 1st contact, the 2nd contact, the 3rd contact, the 4th contact and communication system joint configuration are in maintaining part, the 1st joint configuration is at the 1st contact, the 2nd contact, the 3rd contact, one end of the configuration of the 4th contact and communication system contact, the 3rd joint configuration is at the other end of configuration, the 2nd contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 1st contact, the 4th contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 3rd contact.

The invention of technical scheme 10 is a kind of camera main-bodies, can dismounting have can drive by the interchangeable lens of driver part, there is the maintaining part that has configured multiple contacts, it is characterized in that, have: the 1st contact, drives by the driving voltage of driver part for being provided for to interchangeable lens; The 2nd contact, becomes the ground terminal corresponding with driving voltage; The 3rd contact, for exporting the 1st clock signal to interchangeable lens; The 4th contact, for the 1st clock signal synchronization to interchangeable lens output the 1st data-signal; The 5th contact, for the 1st clock signal synchronization from interchangeable lens input the 2nd data-signal; The 6th contact, for exporting the 2nd clock signal to interchangeable lens; The 7th contact, for the 2nd clock signal synchronization from interchangeable lens input the 3rd data-signal; The 8th contact, for inputting and the 1st clock signal and nonsynchronous the 1st nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 9th contact, for outputing to interchangeable lens with the 1st clock signal and nonsynchronous the 2nd nonsynchronous signal of the 2nd clock signal; The 10th contact, for inputting and the 1st clock signal and nonsynchronous the 3rd nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 11st contact, for providing operation voltage to interchangeable lens, so that according to the 1st clock signal from the 3rd contact output and at the 1st nonsynchronous signal of the 8th contact input, use the 4th contact to send the 1st data-signal to interchangeable lens, and use the 5th contact to receive the 2nd data-signal from interchangeable lens, and, according to the 2nd clock signal from the 6th contact output, the 2nd nonsynchronous signal of exporting from the 9th contact and the 3rd nonsynchronous signal at the 10th contact input, use the 7th contact to receive the 3rd data-signal from interchangeable lens; With the 12nd contact, become the ground terminal corresponding with operation voltage, these 12 joint configuration of the 1st contact to the 12 contacts are in maintaining part, the 1st joint configuration is in one end of the configuration of 12 contacts, the 11st joint configuration is at the other end of configuration, and the 2nd contact, in the configuration of 12 contacts, is configured in the side of the 1st contact, the 12nd contact, in the configuration of 12 contacts, is configured in the side of the 11st contact.

The invention of technical scheme 11 is a kind of camera main-bodies, can dismounting have can drive by the interchangeable lens of driver part, there is the maintaining part that has configured multiple contacts, it is characterized in that, have: the 1st contact, drives by the driving voltage of driver part for being provided for to interchangeable lens; The 2nd contact, becomes the ground terminal corresponding with driving voltage; The 3rd contact, for exporting the 1st clock signal to interchangeable lens; The 4th contact, for the 1st clock signal synchronization to interchangeable lens output the 1st data-signal; The 5th contact, for the 1st clock signal synchronization from interchangeable lens input the 2nd data-signal; The 6th contact, for exporting the 2nd clock signal to interchangeable lens; The 7th contact, for the 2nd clock signal synchronization from interchangeable lens input the 3rd data-signal; The 8th contact, for inputting and the 1st clock signal and nonsynchronous the 1st nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 9th contact, for outputing to interchangeable lens with the 1st clock signal and nonsynchronous the 2nd nonsynchronous signal of the 2nd clock signal; The 10th contact, for inputting and the 1st clock signal and nonsynchronous the 3rd nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 1st communication unit, according to the 1st clock signal from the 3rd contact output and at the 1st nonsynchronous signal of the 8th contact input, uses the 4th contact to send the 1st data-signal to interchangeable lens, and uses the 5th contact to receive the 2nd data-signal from interchangeable lens; The 2nd communication unit, according to the 2nd clock signal from the 6th contact output, the 2nd nonsynchronous signal of exporting from the 9th contact and the 3rd nonsynchronous signal at the 10th contact input, uses the 7th contact to receive the 3rd data-signal from interchangeable lens; The 11st contact, for providing the operation voltage different from driving voltage to interchangeable lens; With the 12nd contact, become the ground terminal corresponding with operation voltage, these 12 joint configuration of the 1st contact to the 12 contacts are in maintaining part, the 1st joint configuration is in one end of the configuration of 12 contacts, the 11st joint configuration is at the other end of configuration, and the 2nd contact, in the configuration of 12 contacts, is configured in the side of the 1st contact, the 12nd contact, in the configuration of 12 contacts, is configured in the side of the 11st contact.

The invention of technical scheme 12 is a kind of camera main-bodies, can dismounting have can drive by the interchangeable lens of driver part, there is the maintaining part that has configured multiple contacts, it is characterized in that, have: the 1st contact, drives by the driving voltage of driver part for being provided for to interchangeable lens; The 2nd contact, becomes the ground terminal corresponding with driving voltage; The 3rd contact, for exporting the 1st clock signal to interchangeable lens; The 4th contact, for the 1st clock signal synchronization to interchangeable lens output the 1st data-signal; The 5th contact, for the 1st clock signal synchronization from interchangeable lens input the 2nd data-signal; The 6th contact, for exporting the 2nd clock signal to interchangeable lens; The 7th contact, for the 2nd clock signal synchronization from interchangeable lens input the 3rd data-signal; The 8th contact, for inputting and the 1st clock signal and nonsynchronous the 1st nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 9th contact, for outputing to interchangeable lens with the 1st clock signal and nonsynchronous the 2nd nonsynchronous signal of the 2nd clock signal; The 10th contact, for inputting and the 1st clock signal and nonsynchronous the 3rd nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 11st contact, for providing the operation voltage different from driving voltage to interchangeable lens; With the 12nd contact, become the ground terminal corresponding with operation voltage, these 12 joint configuration of the 1st contact to the 12 contacts are in maintaining part, the 1st joint configuration is in one end of the configuration of 12 contacts, the 11st joint configuration is at the other end of configuration, and the 2nd contact, in the configuration of 12 contacts, is configured in the side of the 1st contact, the 12nd contact, in the configuration of 12 contacts, is configured in the side of the 11st contact.

The invention of technical scheme 14 is a kind of camera main-bodies, can dismounting have can drive by the interchangeable lens of driver part, there is the maintaining part that has configured multiple contacts, it is characterized in that, have: the 1st contact, drives by the driving voltage of driver part for being provided for to interchangeable lens, the 2nd contact, becomes the ground terminal corresponding with driving voltage, communication system contact, is made up of multiple contacts, and between interchangeable lens, carries out the transmitting-receiving of prearranged signal, the 3rd contact, for providing the operation voltage different from driving voltage to interchangeable lens, and the 4th contact, become the ground terminal corresponding with operation voltage, the 1st contact, the 2nd contact, the 3rd contact, the 4th contact and communication system joint configuration are in maintaining part, the 1st joint configuration is at the 1st contact, the 2nd contact, the 3rd contact, one end of the configuration of the 4th contact and communication system contact, the 3rd joint configuration is at the other end of configuration, the 2nd contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 1st contact, the 4th contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 3rd contact.

The invention of technical scheme 15 is a kind of camera main-bodies, can dismounting have can drive by the interchangeable lens of driver part, there is the maintaining part that has configured multiple contacts, it is characterized in that, have: the 1st contact, is provided for driving by the driving voltage of driver part to interchangeable lens, the 2nd contact, becomes the ground terminal corresponding with driving voltage, communication system contact, is made up of multiple contacts, and between interchangeable lens, carries out the transmitting-receiving of prearranged signal, communication unit, uses the transmitting-receiving of carrying out data between communication system contact and interchangeable lens, the 3rd contact, for providing the operation voltage different from driving voltage to interchangeable lens, and the 4th contact, become the ground terminal corresponding with operation voltage, the 1st contact, the 2nd contact, the 3rd contact, the 4th contact is configured in maintaining part with the contact group of communicating by letter, the 1st joint configuration is at the 1st contact, the 2nd contact, the 3rd contact, one end of the configuration of the 4th contact and communication system contact, the 3rd joint configuration is at the other end of configuration, the 2nd contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 1st contact, the 4th contact is at the 1st contact, the 2nd contact, the 3rd contact, in the configuration of the 4th contact and communication system contact, be configured in the side of the 3rd contact.

The invention of technical scheme 16 is a kind of electronic equipments, can dismounting have can drive by the interchangeable lens of driver part, there is the maintaining part that has configured multiple contacts, it is characterized in that, have: the 1st contact, drives by the driving voltage of driver part for being provided for to interchangeable lens; The 2nd contact, becomes the ground terminal corresponding with driving voltage; The 3rd contact, for exporting the 1st clock signal to interchangeable lens; The 4th contact, for the 1st clock signal synchronization to interchangeable lens output the 1st data-signal; The 5th contact, for the 1st clock signal synchronization from interchangeable lens input the 2nd data-signal; The 6th contact, for exporting the 2nd clock signal to interchangeable lens; The 7th contact, for the 2nd clock signal synchronization from interchangeable lens input the 3rd data-signal; The 8th contact, for inputting and the 1st clock signal and nonsynchronous the 1st nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 9th contact, for outputing to interchangeable lens with the 1st clock signal and nonsynchronous the 2nd nonsynchronous signal of the 2nd clock signal; The 10th contact, for inputting and the 1st clock signal and nonsynchronous the 3rd nonsynchronous signal of the 2nd clock signal from interchangeable lens; The 11st contact, for providing operation voltage to interchangeable lens, so that according to the 1st clock signal from the 3rd contact output and at the 1st nonsynchronous signal of the 8th contact input, use the 4th contact to send the 1st data-signal to interchangeable lens, and use the 5th contact to receive the 2nd data-signal from interchangeable lens, and, according to the 2nd clock signal from the 6th contact output, the 2nd nonsynchronous signal of exporting from the 9th contact and the 3rd nonsynchronous signal at the 10th contact input, use the 7th contact to receive the 3rd data-signal from interchangeable lens; With the 12nd contact, become the ground terminal corresponding with operation voltage, these 12 joint configuration of the 1st contact to the 12 contacts are in maintaining part, the 1st joint configuration is in one end of the configuration of 12 contacts, the 11st joint configuration is at the other end of configuration, and the 2nd contact, in the configuration of 12 contacts, is configured in the side of the 1st contact, the 12nd contact, in the configuration of 12 contacts, is configured in the side of the 11st contact.

According to the present invention, can carry out good communication.

Brief description of the drawings

Fig. 1 is the skeleton view that has represented to be suitable for the interchangeable camera system of lens of the present invention.

Fig. 2 is the sectional view that has represented to be suitable for the interchangeable camera system of lens of the present invention.

Fig. 3 is the schematic diagram that represents the details of maintaining part 102,202.

Fig. 4 is the front view (FV) of lens-mount 101 and lens-mount 201.

Fig. 5 is the sequential chart that represents the example of order data communication.

Fig. 6 is the sequential chart that represents the example of hot line communication.

Symbol description

1 ... camera; 100 ... camera main-body; 101,201 ... lens-mount; 102,202 ... maintaining part; 103 ... main body side control part; 117 ... main body side the 1st Department of Communication Force; 118 ... main body side the 2nd Department of Communication Force; 200 ... interchangeable lens; 203 ... lens side control part; 210 ... imaging optical system; 217 ... lens side the 1st Department of Communication Force; 218 ... lens side the 2nd Department of Communication Force.

Embodiment

(the 1st embodiment)

Fig. 1 is the skeleton view that has represented to be suitable for the interchangeable camera system of lens of the present invention.In addition, equipment and device that in Fig. 1, only expression the present invention relates to, omit diagram and explanation to the equipment beyond this and device.Camera 1 is by camera main-body 100 and can form with respect to the interchangeable lens 200 of camera main-body 100 dismounting.

On camera main-body 100, be provided with the lens-mount 101 that interchangeable lens 200 is installed removably.As shown in Fig. 3 (b), Fig. 4 (b), on near the position of (inner circumferential side of lens-mount 101) lens-mount 101 of camera main-body 100, under the outstanding state of the inner circumferential side part to lens-mount 101, be provided with the maintaining part (electrical connection section) 102 of retaining contact.In this maintaining part 102, be provided with multiple contacts.

And, on interchangeable lens 200, be provided with lens-mount 201 corresponding with the lens-mount 101 of main body side, that camera main-body 100 is installed removably.As Fig. 3 (a), 4(a) as shown in, on near the position of (inner circumferential side of lens-mount 201) lens-mount 201 of interchangeable lens 200, under the outstanding state of the inner circumferential side part to lens-mount 201, be provided with the maintaining part (electrical connection section) 202 of retaining contact.In this maintaining part 202, be provided with multiple contacts.

Interchangeable lens 200 is installed to after camera main-body 100, and the maintaining part 102(that is provided with multiple contacts describes in detail after a while) describe in detail after a while with the maintaining part 202(that is provided with multiple contacts) be electrically connected and physical connection.Two maintaining parts 102,202 are used to the transmitting-receiving of the signal between power supply and camera main-body 100 and the interchangeable lens 200 from camera main-body 100 to interchangeable lens 200.

The rear of the lens-mount 101 in camera main-body 100, is provided with imaging apparatus 104.Above camera main-body 100, be provided with the button 107 as input media.User uses button 107 input medias such as grade, setting instruction of instruction, photography conditions etc. that camera main-body 100 is photographed.

Fig. 2 is the sectional view that has represented to be suitable for the interchangeable camera system of lens of the present invention.Interchangeable lens 200 has the imaging optical system 210 of the subject of making as imaging.Imaging optical system 210 is made up of multiple lens 210a～210c.The plurality of lens 210a～210c comprises the condenser lens 210b of the focal position for controlling subject picture.

In interchangeable lens 200 inside, be provided with the lens side control part 203 of the control of the each portion that carries out interchangeable lens 200.Lens side control part 203 is made up of not shown microcomputer and peripheral circuit etc. thereof.Be connected with at lens side control part 203: lens side the 1st Department of Communication Force 217, lens side the 2nd Department of Communication Force 218, lens drive division 212, lens position test section 213, ROM215 and RAM216.

Lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218 carry out and the data transmit-receive of camera main-body 100 via maintaining part 102,202.This lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218 are respectively the communication interfaces of interchangeable lens side.Lens CPU203 uses these communication interfaces, and the following main body side control part 103 of camera main-body 100() between, carry out following each communication (hot line (hot line) communication, order data communication).

Lens drive division 212 for example has the actuators such as step motor, according to the signal that is input to lens drive division 212, drives condenser lens 210b.The umber of pulse of the signal that lens position test section 213 is for example inputted for the step motor having to lens drive division 212 is counted, and detects the position of condenser lens 210b.Or also can use known range encoder arranging at interchangeable lens 200 etc., detect the position of condenser lens 210b.

In addition, in interchangeable lens 200, also can arrange beyond above-mentioned condenser lens 210b by driver part.For example also can be the same with above-mentioned condenser lens 210b, as can at interchangeable lens, (mobile parts and have zoom lens on the optical axis direction of imaging optical system 210, be arranged on the mechanism of these zoom lens of electric drive (power zoom mechanism) in interchangeable lens 200.And also shake correction mechanism can be arranged in interchangeable lens 200, this shake correction mechanism comprises the jitter correction lens that can move on the moving direction of the composition that comprises the direction vertical with the optical axis direction of imaging optical system 210 (X, Y-direction composition), by driving these jitter correction lens to carry out hand jitter correction.And, also aperture motor drive mechanism can be arranged in interchangeable lens 200, the movably driving of aperture parts (blade of diaphragm) of this aperture motor drive mechanism control, to change the size of the aperture openings that the light beam of subject passes through.Being provided with like this during by driver part, lens side control part 203 uses lens drive division 212 and lens position test section 213, controls jitter correction lens, aperture parts, zoom lens driving, position probing separately.

ROM215 is non-volatile storage medium, the predetermined control program that pre-stored lens side control part 203 is carried out etc.RAM216 is volatile storage medium, and scioptics side control part 203 uses as the storage area of various data.

Being provided with above of imaging apparatus 104: for controlling the shutter 115 of exposure status of imaging apparatus 104; Combine the optical filter 116 of optical low-pass filter, infrared ray cut off filter.See through the subject light of imaging optical system 210 via shutter 115 and wave filter 116, incided imaging apparatus 104.

Be provided with the main body side control part 103 of the control of carrying out camera main-body 100 each portions in camera main-body 100 inside.Main body side control part 103 is made up of not shown microcomputer, RAM and peripheral circuit thereof etc.

Be connected with main body side the 1st Department of Communication Force 117 and main body side the 2nd Department of Communication Force 118 at main body side control part 103.Main body side the 1st Department of Communication Force 117 is connected with maintaining part 102, can carry out the transmitting-receiving of data with lens side the 1st Department of Communication Force 217.Equally, main body side the 2nd Department of Communication Force 118 can carry out the transmitting-receiving of data with lens side the 2nd Department of Communication Force 218.In other words, main body side the 1st Department of Communication Force 117 and main body side the 2nd Department of Communication Force 118 are respectively the communication interfaces of main body side.Main body side control part 103 uses these communication interfaces, and interchangeable lens 200(lens side control part 203) between, carry out following each communication (hot line communication, order data communication).

The back side at camera main-body 100 configures the display device 111 being made up of LCD panel etc.Main body side control part 103 shows the image (so-called viewfinder image) of the subject of the output based on imaging apparatus 104 in this display device 111, for setting the various menu screens of photography conditions etc.

(explanation of maintaining part 102,202)

Fig. 3 is the schematic diagram that represents the details of maintaining part 102,202.And Fig. 3 has briefly recorded belfry.Therefore the lens-mount 101 and the maintaining part 102 that become camera main-body 100 are present in the figure on the same face.But in actual belfry, maintaining part 102 is configured in the framework face of the lens-mount 101 of camera main-body 100 and compares and rely on inner place (relying on the place on right side in Fig. 3 than lens-mount 101).

In Fig. 3, also briefly recorded the belfry of interchangeable lens side, the lens-mount 201 and the maintaining part 202 that therefore become interchangeable lens 200 are present in the figure on the same face.But in fact, maintaining part 202 is configured in the place more outstanding than the framework face of lens-mount 201 (relying on the place on right side in Fig. 3 than lens-mount 201).Because in fact as above forming, so make the framework face of lens-mount 101 and the framework face of lens-mount 201 contact, make camera main-body 100 and interchangeable lens 200 frameworks in conjunction with time, maintaining part 102 is connected with maintaining part 202, is located between the electric connection point of two maintaining parts and also connects.Said frame structure is known, therefore omits further instruction, diagram.

As shown in Figure 3, in maintaining part 102, there are these 12 contacts of BP1～BP12.And in maintaining part 202, exist and these 12 contacts of LP1～LP12 corresponding to above-mentioned 12 contacts difference.

Contact BP1 and contact BP2 are connected with the 1st power circuit 120 in camera main-body 100.The 1st power circuit 120 provides the operation voltage of the each portion in the interchangeable lens 200 except lens drive division 212 to contact BP1., the operation voltage of the each portion (comprising lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218) in the interchangeable lens 200 except lens drive division 212 is provided from contact BP1 and contact LP1.The magnitude of voltage that can be provided to this contact BP1 has minimum voltage value～maximum voltage value (for example voltage amplitude of 3V left and right), and the magnitude of voltage that standard provides is near the magnitude of voltage of intermediate value of this maximum voltage value and minimum voltage value.So, the current value that is provided to interchangeable lens 200 sides from camera main-body 100 sides, under power connection (ON) state, is the current value within the scope of approximate number 10mA～number 100mA.

Contact BP2 is and ground terminal corresponding to above-mentioned operation voltage that is provided to contact BP1., contact BP2 and contact LP2 are the ground terminal voltage corresponding with above-mentioned operation voltage.

In the following description, the signal wire being made up of contact BP1 and contact LP1 is called to signal wire V33.And the signal wire being made up of contact BP2 and contact LP2 is called to signal wire GND.These contacts LP1, LP2, BP1, BP2 are configured for from the power-supply system contact of camera main-body 100 side direction interchangeable lens 200 side power supplies.

Contact BP3, BP4, BP5 and BP6 are connected with main body side the 1st Department of Communication Force 117.Contact LP3, LP4, LP5 and the LP6 of interchangeable lens 200 sides corresponding with these contacts is connected with lens side the 1st Department of Communication Force 217.Main body side the 1st Department of Communication Force 117 and lens side the 1st Department of Communication Force 217 use these contacts (communication system contact), carry out each other the transmitting-receiving of data.Main body side the 1st Department of Communication Force 117 is described in detail after a while with the content of communicating by letter that lens side the 1st Department of Communication Force 217 carries out.

And in the following description, the signal wire being made up of contact BP3 and contact LP3 is called to signal wire CLK.Equally, the signal wire being made up of contact BP4 and contact LP4 is called to signal wire BDAT, the signal wire being made up of contact BP5 and contact LP5 is called to signal wire LDAT, the signal wire being made up of contact BP6 and contact LP6 is called to signal wire RDY.

Contact BP7, BP8, BP9 and BP10 are connected with main body side the 2nd Department of Communication Force 118.Contact LP7, LP8, LP9 and the LP10 of interchangeable lens 200 sides corresponding with these contacts is connected with lens side the 2nd Department of Communication Force 218.Lens side the 2nd Department of Communication Force 218 uses these contacts (communication system contact), and main body side the 2nd Department of Communication Force 118 is carried out to the transmission of data.The Content of Communication that main body side the 2nd Department of Communication Force 118 and lens side the 2nd Department of Communication Force 218 are carried out describes in detail after a while.

And in the following description, the signal wire being made up of contact BP7 and contact LP7 is called to signal wire HREQ.Equally, the signal wire being made up of contact BP8 and contact LP8 is called to signal wire HANS, the signal wire being made up of contact BP9 and contact LP9 is called to signal wire HCLK, the signal wire being made up of contact BP10 and contact LP10 is called to signal wire HDAT.

Contact BP11 and contact BP12 are connected with the 2nd power circuit 121 in camera main-body 100.The 2nd power circuit 121 provides the driving voltage of lens drive division 212 to contact BP12., the driving voltage of lens drive division 212 is provided from contact BP12 and contact LP12.The magnitude of voltage that can be provided to this contact BP12 has the scope of minimum voltage value～maximum voltage value, for example, and this scope is all magnitudes of voltage (maximum voltage value that, can be provided to contact BP12 be the several times left and right that can be provided to the maximum voltage value of contact BP1) larger than the voltage range that can be provided to above-mentioned contact BP1., the magnitude of voltage that is provided to contact BP12 is compared with the magnitude of voltage that is provided to above-mentioned contact BP1, is the magnitude of voltage varying in size.In addition, to be provided to the magnitude of voltage of contact BP12 be near the magnitude of voltage that can be provided to the maximum voltage value of contact BP12 and the intermediate value of minimum voltage value to study plot.So, the current value that is provided to interchangeable lens 200 sides from camera main-body 100 sides, under power connection state, is the current value of approximate number 10mA～number A.

Contact B11 is and ground terminal corresponding to above-mentioned driving voltage that is provided to contact BP12., contact BP11 and contact LP11 are the ground terminals corresponding with above-mentioned driving voltage.

In the following description, the signal wire being made up of contact BP11 and contact LP11 is called to signal wire PGND.And the signal wire being made up of contact BP12 and contact LP12 is called to signal wire BAT.These contacts LP11, LP12, BP11, BP12 are configured for from the power-supply system contact of the power supply of camera main-body 100 side direction interchangeable lens 200 sides.

In addition, from the above-mentioned magnitude relationship that is provided to the magnitude of voltage (current value) of contact BP12, contact LP12 and is provided to the magnitude of voltage (current value) of contact BP1, LP1, with respectively maximal value relative, mobile electric current in the contact BP11 as ground terminal and contact LP11 and minimum value poor of the voltage that is provided to each contact, be greater than the poor of the maximal value of electric current mobile in contact BP2 and contact LP2 and minimum value.This be because: there is the electronic circuit that electric power that the lens drive division 212 of the drive systems such as actuator consumes is greater than lens side control part 203 grades in interchangeable lens 200; And in the time of demand motive condenser lens 210b not, not power consumption of lens drive division 212.

Fig. 4 is the front view (FV) of lens-mount 101 and lens-mount 201.Fig. 4 (a) is the figure that observes the lens-mount 201 of interchangeable lens 200 from camera main-body 100 sides, and Fig. 4 (b) is the figure that observes the lens-mount 101 of camera main-body 100 from interchangeable lens 200 sides.

As shown in Figure 4 (a), in maintaining part 202, contact LP3, LP4, LP5 and LP6 are upper in the direction along lens-mount 201 (being the circular arc direction of a part for the lens-mount of circular along face shaping), the circular-arc configuration of proper alignment (circular shape).And, proper alignment configuration in circular-arc ground on the extending direction of the direction (circular arc direction) that contact LP7, LP8, LP9 and LP10 arrange at above-mentioned contact LP3～LP6.Wherein, contact LP6 is configured in the position near contact LP7～LP10 compared with contact LP3～LP5.And contact LP7 and LP8 are configured in the position near contact LP3～LP6 compared with contact LP9 and LP10.

Proper alignment configuration in circular-arc ground on the extending direction of the direction (circular arc direction) that contact LP11 and LP12 arrange at above-mentioned contact LP3～LP6.Wherein, contact LP7～LP10 becomes the form being configured between contact LP3～LP6 and contact LP11 and LP12.And contact LP10 is configured in the side of contact LP11.

Proper alignment configuration in circular-arc ground on the extending direction of the direction (circular arc direction) that contact LP1 and LP2 arrange at above-mentioned contact LP3～LP6.Wherein, contact LP3～LP6 becomes the form being configured between contact LP7～LP10 and contact LP1 and LP2.And contact LP2 compares the position being configured near contact LP3～LP6 with contact LP1.

, above-mentioned 12 circular-arc ground of contact LP1～LP12 proper alignment configurations.In the present embodiment, the angle θ 1 of circular arc (center of connecting frame center and contact LP1 center and contact LP12 is fan-shaped respectively) is about 105 degree, and the arc angle θ 2 between each contact is about respectively 9.5 degree.And in the present embodiment, the width of 12 contacts circular arc direction is separately about 1.5mm.And, frame center with till the distance at the center of each contact (LP1～LP12) is about 15mm, therefore each contact in the distance of circular arc direction be in the heart about 2.5mm.And the width of the circular arc direction of each contact is about 1mm, therefore the gap of the circular arc direction between each contact is about 1mm.

In addition, the width of each contact, gap can suitably be changed.For example can make the width of the circular arc direction of each contact become large or diminish with 1/10mm unit (a few tenths of a mm unit), corresponding with it, the width of the circular arc direction in gap can for example, suitably change with 1/10mm unit (a few tenths of a mm unit, positive and negative 0.2mm).

Further, contact LP3 is configured in the side of contact LP2, and contact LP5 is configured in the side of contact LP6, and contact LP4 is configured between contact LP3 and contact LP5, and contact LP7 is configured in contact LP6 side, and contact LP8 is configured in contact LP9 side.

Pay close attention to the contact that voltage is provided from camera main-body 100 to interchangeable lens 200, the arrangement of contact is as follows.These 12 contacts of contact LP1～LP12 circular-arc alignment arrangements in maintaining part 202.Contact LP12 is configured in one end of this circular-arc arrangement, and contact LP1 is configured in the other end.Contact LP11 is configured in the side of contact LP12, and contact LP2 is configured in the side of contact LP1.And contact LP3～LP6 is in the circular-arc alignment arrangements in the side of contact LP2, contact LP7～LP10 is in the circular-arc alignment arrangements in contact LP11 side.

That is, in the contact of circular-arc arrangement, provide contact LP1, the LP12 of supply voltage in two ends configuration, configuration of side is therein as contact LP2, the LP11 of the ground terminal corresponding with each supply voltage.And the contact LP3～LP10 of other communication systems is configured between these two contact LP2, the LP11 as ground terminal.

In the contact LP3～LP10 of the contact as communication system (communication system contact) and the contact of power-supply system, provide between the contact LP1 and LP12 of supply voltage (above-mentioned operation voltage, driving voltage), be configured as contact (ground contact) LP2 and the LP11 of its ground terminal, why forming is like this to be suppressed to Min. for the impact that the contact (signal wire) on communication system causes by the contact of power-supply system (signal wire).

Provide the signal wire (comprising the signal wire of LP1, LP12) of supply voltage according to the load change in the supply target of supply voltage, produce larger change in voltage.This larger change in voltage causes harmful effect to the signal wire of communication system sometimes.In order to suppress this harmful effect, in the present embodiment, by and the contact (ground contact LP2 and LP11) used of the ground terminal of power supply contact (LP1, LP12) comparison with voltage vary stable be configured between communication system contact LP3～LP10 and power supply contact LP1, LP12.

Be connected to the contact LP3～LP6 and the contact LP7～LP10 configuration adjacent one another are that is connected to lens side the 2nd Department of Communication Force 218 of lens side the 1st Department of Communication Force 217, but contact LP9, the LP10 of contact LP3, the LP4 of lens side the 1st Department of Communication Force 217, LP5 and lens side the 2nd Department of Communication Force 218, form the side that is not configured in the contact being connected with the Department of Communication Force (217 or 218) of differ from one another (another)., at the position of the contact near connecting from the Department of Communication Force of different (another), centralized configuration contact LP6, LP7 and LP8.This be for, as described below, transmit and the nonsynchronous signal of clock signal (compared with the signal of synchronizeing with clock signal, with it, change less signal, for example state variation under the unit interval is the signal of 1kHz～number kHz left and right) to contact LP6, LP7 and LP8.Generally, the variation under the unit interval of clock signal, the signal of synchronizeing with it is fiercer, for several MHz left and right (as an example, clock signal is 8MHz, and the data-signal (also depending on data volume) of synchronizeing with it is 4MHz), easily becomes noise source.Therefore,, for the impact that this terminal is caused communication is Min., preferably configure away from each other from the contact that is connected to difference (another) Department of Communication Force.Therefore adopt in the present embodiment following joint configuration: make to transmit and the contact group (contact LP6, LP7, LP8) of the nonsynchronous signal of clock signal, between the contact group (contact LP3, LP4, LP5) of the lens side interior transmission clock signal of the 1st Department of Communication Force 217 and the signal of synchronizeing with it and the lens side interior transmission clock signal of the 2nd Department of Communication Force 218 and and the contact group (contact LP9, LP10) of its synchronous signal between.

Contact LP7～LP10 configures near the 2nd power circuit 121, and contact LP3～LP6 configures near the 1st power circuit 120.This is because it is less that contact LP7～LP10 is subject to the impact of noise.The 2nd power circuit 121 is powered to lens drive division 212, but the power consumption of lens drive division 212 fierce variation in the time driving condenser lens 210b and while driving.Therefore, in contact LP11, the size of mobile electric current is fierce changes, and the impact of the contact on adjacent communication system is greater than contact LP2.But as described below, use the communication that contact LP7～LP10 carries out to compare with the communication that uses contact LP3～LP6 to carry out, the cycle is shorter, and (cycle that uses the communication of contact LP7～LP10 is the cycle that uses the left and right below 1/10 in the cycle of the communication of contact LP3～LP6.In the present embodiment, use the communication of contact LP7～LP10 to carry out with the 16msec cycle, use the communication of contact LP3～LP6 to carry out with the 1msec cycle, describe in detail after a while), even because of the impact communication failure of contact LP11, also can promptly recommunicate.That is, if contact LP7～LP10, even if be configured in contact LP11 side, LP3～LP6 compares with contact, and the impact of noise is also less.

And contact LP11 is configured in the side of contact LP10.This be because, LP9 compares with contact, contact LP10 is strong to the patience of noise.As described below, clock signal is sent to contact LP9, is sent to contact LP10 with the data-signal of this clock signal synchronization.Clock signal is subject to the impact of noise and the edge that rises, declines is become while failing to understand, is difficult to correctly obtain synchronously at receiver side.On the other hand, data-signal carries out the sampling of signal level under the sequential of the rising of clock signal, decline.Therefore, under above-mentioned sequential, as long as signal level becomes clearly, strong than clock signal to the patience of noise.

In addition, the contact BP1～BP12 of configuration in the maintaining part 102 of camera main-body 100 sides shown in Fig. 4 (b), identical with the contact LP1～LP12 of above-mentioned interchangeable lens 200 1 sides, therefore description thereof is omitted.And from Fig. 1, Fig. 4, the structure of the framework 101 of camera main-body side is, relative with the framework 201 of interchangeable lens side after, rotate and fasten.Therefore as shown in Fig. 4 (a) and (b), the orientation of contact BP1～BP12 contrary with the orientation of contact LP1～LP12 (in Fig. 4, LP1 is configured in left end, and LP12 is configured in right-hand member, and in contrast, BP1 is configured in right-hand member, and BP12 is configured in left end).

(explanation of order data communication)

Lens side control part 203 is controlled lens side the 1st Department of Communication Force 217, via contact LP3～LP6, i.e. signal wire CLK, BDAT, LDAT and RDY, carry out side by side with the 1st predetermined period (being 16msec in the present embodiment): the reception of the control data of autonomous side the 1st Department of Communication Force 117; Transmission with the response data to main body side the 1st Department of Communication Force 117.Below be described in detail in the communication of carrying out between lens side the 1st Department of Communication Force 217 and main body side the 1st Department of Communication Force 117.

And in the present embodiment, by lens side control part 203 and lens side the 1st Department of Communication Force 217, with main body side control part 103 and main body side the 1st Department of Communication Force 117 between carry out communicate by letter and be called " order data communication ".

Fig. 5 is the sequential chart that represents the example of order data communication.Main body side control part 103 and main body side the 1st Department of Communication Force 117 (T1) in the time that order data communication starts, the first signal level of confirmation signal line RDY.The signal level of signal wire RDY represents that lens side the 1st Department of Communication Force 217 could communicate by letter.Lens side control part 203 and lens side the 1st Department of Communication Force 217 are in the time of the state for communicating by letter, from contact LP6 output H(High, height) signal of level., making the signal level of signal wire RDY is H level.Main body side control part 103 and main body side the 1st Department of Communication Force 117, in the time that signal wire RDY is H level, does not start communication before it becomes L level.Next processing in not executive communication.

If signal wire RDY is L(Low, low) level, main body side control part 103 and main body side the 1st Department of Communication Force 117 is from contact BP3 clock signal 401., via signal wire CLK to lens side the 1st Department of Communication Force 217 transmission clock signals 401.Main body side control part 103 and main body side the 1st Department of Communication Force 117 is synchronizeed with this clock signal 401, the main body side order bag signal 402 from contact BP4 output as the first half of control data., transmit main body side order bag signal 402 via signal wire BDAT to lens side the 1st Department of Communication Force 217.

And, during to signal wire CLK clock signal 401, lens side control part 203 and lens side the 1st Department of Communication Force 217 and the synchronously lens side order bag signal 403 as the first half of response data from contact LP5 output of clock signal 401., transmit lens side order bag signal 403 via signal wire LDAT to main body side the 1st Department of Communication Force 117.

Lens side control part 203 and lens side the 1st Department of Communication Force 217, being sent completely of corresponding lens side order bag signal 403, the signal level that makes signal wire RDY is H level (H2).Lens side control part 203 makes the processing corresponding with the content of the main body side order bag signal 402 receiving the 1st control processing 404(aftermentioned) start.

Lens side control part 203, completing after the 1st control processing 404, notifies the 1st to control completing of processing 404 to lens side the 1st Department of Communication Force 217.Lens side the 1st Department of Communication Force 217 is according to this notice, from the signal of contact LP6 output L level., making the signal level of signal wire RDY is L level (T3).Main body side control part 103 and main body side the 1st Department of Communication Force 117 is to variation that should signal level, from contact BP3 clock signal 405., via signal wire CLK to lens side the 1st Department of Communication Force 217 clock signals 405.

Main body side control part 103 and main body side the 1st Department of Communication Force 117 and the synchronously main body side data packet signal 406 as the latter half of control data from contact BP4 output of this clock signal 405., transmit main body side data packet signal 406 via signal wire BDAT to lens side the 1st Department of Communication Force 217.

And, after signal wire CLK clock signal 405, lens side control part 203 and lens side the 1st Department of Communication Force 217 and the synchronously lens side data bag signal 407 as the latter half of response data from contact LP5 output of clock signal 405., transmit lens side data bag signal 407 via signal wire LDAT to main body side the 1st Department of Communication Force 117.

Lens side control part 203 and lens side the 1st Department of Communication Force 217, being sent completely of corresponding lens side data bag signal 407, the signal level that makes signal wire RDY is H level (T4) again.Lens side control part 203 starts the processing corresponding with the content of the main body side data packet signal 406 receiving and the 2nd controls processing 408(aftermentioned).

The 1st control of carrying out at this explanation lens side control part 203 is processed the 404 and the 2nd and is controlled processing 408.

The situation that is for example contents of the specific data of requirement interchangeable lens side to the main body side order bag signal 402 receiving describes.Lens side control part 203 is controlled and is processed 404 and carry out following processing as the 1st: the content of dissection process order bag signal 402, and generate the particular data of this requirement.Further, lens side control part 203 is controlled and is processed 404 as the 1st, also carry out the following inspection processing that makes mistakes of communicating by letter: the verification and the data that in utility command bag signal 402, contain, to whether makeing mistakes in the communication of order bag signal 402, can check easily according to data word joint number.The signal of processing 404 particular datas that generate by the 1st control, outputs to main body side as lens side data bag signal 407.And in this case, after order bag signal 402, from the main body side data packet signal 406 of main body side output, become the pseudo-data-signal (comprising verification and data) that lens side be there is no to special meaning.In this case, lens side control part 203 as the 2nd control process 408, carry out above-mentioned communication make mistakes inspection process, it has utilized the verification and the data that in main body side data packet signal 406, contain.

And, for example, be to drive the situation by the instruction of driver part of lens side to describe to the main body side order bag signal 402 receiving.Following situation is for example described: order bag signal 402 is driving instructions of condenser lens 210b, and the main body side data packet signal 406 of reception is the drive volume of condenser lens 210b.Lens side control part 203 is controlled and is processed 404 as the 1st, the content of dissection process order bag signal 402, and generate the signal of understanding of having understood its content.Further, lens side control part 203 as the 1st control process 404, the verification and the data that in utility command bag signal 402, contain, also carry out above-mentioned communication make mistakes inspection process.The signal of understanding of processing 404 generations by the 1st control, outputs to main body side as lens side data bag signal 407.And, lens side control part 203 as the 2nd control process 408, the dissection process of the content of executive agent side data bag signal 406, and carry out above-mentioned communication make mistakes inspection process, this processing has been used the verification and the data that in main body side data packet signal 406, contain.

Lens side control part 203, in the time that the 2nd control processing 408 completes, is notified the 2nd control to process 408 to lens side the 1st Department of Communication Force 217 and is completed.So, lens side control part 203 is exported the signal of L level to lens side the 1st Department of Communication Force 217 from contact LP6., making the signal level of signal wire RDY is L level (T5).

In addition, the main body side order bag signal 402 receiving be drive said lens side for example, by the instruction of driver part (condenser lens) time, it is L level that lens side control part 203 makes the signal level of signal wire RDY at lens side the 1st Department of Communication Force 217, makes lens drive division 212 carry out the processing that drives condenser lens 210b with corresponding drive volume simultaneously.

The communication of carrying out at above-mentioned T1～moment in moment T5 is an order data communication.As mentioned above, in an order data communication, by main body side control part 103 and main body side the 1st Department of Communication Force 117, respectively send a main body side order bag signal 402 and main body side data packet signal 406.That is, send although be divided into two in order to process convenience, 406 2 of main body side order bag signal 402 and main body side data packet signals merge and control data of formation.

Equally, in an order data communication, scioptics side control part 203 and lens side the 1st Department of Communication Force 217, respectively send a lens side order bag signal 403 and lens side data bag signal 407., 407 2 of lens side order bag signal 403 and lens side data bag signals merge and a response data of formation.

As mentioned above, lens side control part 203 and lens side the 1st Department of Communication Force 217 carry out side by side: the reception of the control data of autonomous side the 1st Department of Communication Force 117; Transmission with from the response data to main body side the 1st Department of Communication Force 117.For the contact LP6 of order data communication and contact BP6 be transmit with the nonsynchronous nonsynchronous signal of other clock signals (signal level/H(of signal wire RDY is high) level or L(low) level) and contact.

(explanation of hot line communication)

Lens side control part 203 is controlled lens side the 2nd Department of Communication Force 218, via contact LP7～LP10, i.e. signal wire HREQ, HANS, HCLK and HDAT, sends lens position data to main body side the 2nd Department of Communication Force 118.Below be described in detail in the communication of carrying out between lens side the 2nd Department of Communication Force 218 and main body side the 2nd Department of Communication Force 118.

And in the present embodiment, by lens side control part 203 and lens side the 2nd Department of Communication Force 218, with main body side control part 103 and main body side the 2nd Department of Communication Force 118 between carry out communicate by letter, be called " hot line communication ".

Fig. 6 is the sequential chart that represents the example of hot line communication.The formation of the main body side control part 103 of present embodiment is to start hot line communication every the 2nd predetermined period (being for example in the present embodiment 1 millisecond).It is short that this period ratio carries out the cycle of order data communication.Fig. 6 (a) is the figure that represents repeatedly to carry out every predetermined period Tn the situation of hot line communication.Situation during certain once being communicated by letter in the hot line communication that Fig. 6 (b) represents repeatedly to carry out after Tx amplification.The step of the following explanation of the sequential chart according to Fig. 6 (b) hot line communication.

Main body side control part 103 and main body side the 2nd Department of Communication Force 118 (T6) in the time that hot line communication starts, first from the signal of contact BP7 output L level., making the signal level of signal wire HREQ is L level.Lens side the 2nd Department of Communication Force 218 is imported into this signal the advisory of contact LP7 to lens side control part 203.Lens side control part 203, according to this notice, starts to carry out the generation processing 501 that generates lens position data.Generate processing 501 and refer to, lens side control part 203 makes lens position test section 213 detect the position of condenser lens 210b and generates the processing of the lens position data that represent testing result.

Lens side control part 203 executes and generates after processing 501, and lens side control part 203 and lens side the 2nd Department of Communication Force 218 are from the signal (T7) of contact LP8 output L level., making the signal level of signal wire HANS is L level.Main body side control part 103 and main body side the 2nd Department of Communication Force 118 is imported into BP8 according to this signal, and from contact BP9 clock signal 502., via signal wire HCLK to lens side the 2nd Department of Communication Force 218 transmission clock signals.

Lens side control part 203 and lens side the 2nd Department of Communication Force 218, synchronously export from contact LP10 the lens position data-signal 503 that represents lens position data with this clock signal 502., transmit lens position data-signal 503 via signal wire HDAT to main body side the 2nd Department of Communication Force 118.

After being sent completely of lens position data-signal 503, lens side control part 203 and lens side the 2nd Department of Communication Force 218 are from the signal of contact LP8 output H level., making the signal level of signal wire HANS is H level (T8).Main body side the 2nd Department of Communication Force 118, is imported into contact BP8 corresponding to this signal, and exports the signal of H level from contact LP7., making the signal level of signal wire HREQ is H level (T9).

The communication of carrying out at above-mentioned T6～moment in moment T9 is a hot line communication.As mentioned above, in a hot line communication, scioptics side control part 203 and lens side the 2nd Department of Communication Force 218, send a lens position data-signal 503.It is the contact of transmission and the nonsynchronous nonsynchronous signal of other clock signals for contact LP7, LP8, BP7 and the BP8 of hot line communication.; contact LP7 and BP7 be transmit nonsynchronous signal (signal level/H(of signal wire HREQ is high) level or L(low) level) and contact, contact LP8 and BP8 be transmit nonsynchronous signal (signal level/H(of signal wire HANS is high) level or L(low) level) and contact.

In addition, order data communication is communicated by letter with hot line and can be carried out side by side simultaneously or partly., in lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218 one, in the time that another and camera main-body 100 communicate, also can communicate with camera main-body 100.

According to the camera system under above-mentioned the 1st embodiment, can obtain following action effect.

(1) contact below circular-arc ground alignment arrangements in the maintaining part 202 on lens-mount 201: from the contact LP3 of camera main-body 100 transmission clock signals 401,405; Synchronously transmit the contact LP4 of main body side order bag signal 402 and main body side data packet signal 406 from camera main-body 100 with clock signal 401,405; Synchronously lens side order bag signal 403 and lens side data bag signal 407 are sent to the contact LP5 of camera main-body 100 with clock signal 401,405; With will be sent to the contact LP6 of camera main-body 100 with clock signal 401,405 nonsynchronous nonsynchronous signals.And, in the maintaining part 202 on lens-mount 201, contact below alignment arrangements on circular-arc extending direction: from the contact LP9 of camera main-body 100 transmission clock signals 502; Synchronously lens position data-signal 503 is sent to the contact LP10 of camera main-body 100 with clock signal 502; Contact LP7 from camera main-body 100 transmission with clock signal 502 nonsynchronous nonsynchronous signals; With will be sent to the contact LP8 of camera main-body 100 with the nonsynchronous nonsynchronous signal of clock signal 502.Lens side the 1st Department of Communication Force 217, via contact LP3～LP6, receives and controls data and send response data to camera main-body 100 from camera main-body 100.And lens side the 2nd Department of Communication Force 218, via contact LP7～LP10, sends lens position data to camera main-body 100.In lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218 one, in the time that another and camera main-body 100 communicate, also can communicate with camera main-body 100.And contact LP6 compares the position being configured near contact LP7～LP10 with contact LP3～LP5, contact LP7 and contact LP8 compare the position being configured near contact LP3～LP6 with contact LP9 and contact LP10.So, can make independently two communication systems be suppressed to Min. to the impact of communication each other.

(2) in the maintaining part 202 on lens-mount 201, alignment arrangements on circular-arc extending direction: the contact LP12 that the driving voltage of lens drive division 212 is provided from camera main-body 100; With the contact LP11 that becomes the ground terminal corresponding with this driving voltage.Wherein, contact LP7～LP10 is configured between contact LP3～LP6 and contact LP10, LP11, and contact LP10 is configured in the side of contact LP11.So, can make the signal wire BAT of the driving voltage that lens drive division 212 is provided on the minimum that affects of the signal wire for carrying out hot line communication.

(3) in the maintaining part 202 on lens-mount 201, alignment arrangements on circular-arc extending direction: the contact LP1 that is provided for the operation voltage (operation voltage of lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218) that carries out order data communication, hot line communication from camera main-body 100; With the contact LP2 that becomes the ground terminal corresponding with this operation voltage.Wherein, in contact LP11, the upper and lower bound of mobile electric current is poor, is greater than upper and lower bound poor of electric current mobile in contact LP2.And contact LP3～LP6 is configured between contact LP7～LP10 and contact LP1, LP2, contact LP2 compares the position being configured near contact LP3～LP6 with contact LP1.So, can make the affect minimum of signal wire V33 on the signal wire for carrying out order data communication.And, the signal wire of the variation that can make electric current mobile in signal wire PGND on communication system affect minimum.

(4) contact LP3 is configured in the side of contact LP2, and contact LP5 is configured in the side of contact LP6, and contact LP4 is configured between contact LP3 and contact LP5, and contact LP7 is configured in the side of contact LP6, and contact LP8 is configured in the side of contact LP9.So, can make the minimum that affects of the noise that produces between each contact.

(5) the circular-arc ground alignment arrangements in the maintaining part 202 on lens-mount 201 by following 12 contacts: be provided for the contact LP12 that makes the driving voltage that lens drive division 212 moves from camera main-body 100; Become the contact LP11 of the ground terminal corresponding with this driving voltage; From the contact LP3 of camera main-body 100 transmission clock signals 401,405; Synchronously transmit the contact LP4 of main body side order bag signal 402 and main body side data packet signal 406 from camera main-body 100 with clock signal 401,405; Synchronously transmit the contact LP5 of lens side order bag signal 403 and lens side data bag signal 407 to camera main-body 100 with clock signal 401,405; From the contact LP9 of camera main-body 100 transmission clock signals 502; Synchronously transmit the contact LP10 of lens position data-signal 503 to camera main-body 100 with clock signal 502; To be sent to the contact LP6 of camera main-body 100 with clock signal 401,405 and the nonsynchronous nonsynchronous signal of clock signal 502; Contact LP7 from camera main-body 100 transmission with clock signal 401,405 and clock signal 502 nonsynchronous nonsynchronous signals; To be sent to the contact LP8 of camera main-body 100 with clock signal 401,405 and the nonsynchronous nonsynchronous signal of clock signal 502; The contact LP1 of the operation voltage of lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218 is provided from camera main-body 100; And become the contact LP2 of the ground terminal corresponding with this operation voltage.Wherein, contact LP12 is configured in one end of the arrangement of 12 contacts, and contact LP1 is configured in the other end.And contact LP11 is configured in the side of contact LP12, contact LP2 is configured in the side of contact LP1.So, suppressed the impact on communication system from outside noise.

(6) contact LP3, contact LP4, contact LP5, contact LP6 are in the circular-arc alignment arrangements in the side of contact LP2, and contact LP7, contact LP8, contact LP9, contact LP10 are in the circular-arc alignment arrangements in the side of contact LP11.So, can make independently the minimum that affects that two communication system lines produce each other.

Following distortion also within the scope of the invention, can be by the one or more and above-mentioned embodiment combination of variation.

(variation 1)

In the above-described embodiment, as shown in Figure 4, multiple contacts are listed as to configuration along the edge one of framework.The plurality of contact also can be with the mode one row configuration beyond this.For example can be by multiple contact linearity configurations.And multiple contacts are the configurable optional position at lens-mount 101,201 also.In Fig. 4, multiple joint configuration, in the bottom of lens-mount 101,201, also can be configured in top or left and right.

(variation 2)

In the above-described embodiment, the situation that the position data of condenser lens 210b is sent to camera main-body 100 from interchangeable lens 200 has been described in hot line communication.But also can form following system: use hot line communication, also send beyond condenser lens by the status information of driver part.For example, be provided with the jitter correction lens for hand jitter correction in interchangeable lens 200 time, also can send the position (X, Y position) of these jitter correction lens.And also can send the position (with the information of aperture openings Size dependence) of the aperture in interchangeable lens.And, if interchangeable lens 200 is zoom lens, can send the information relevant with the focal length of lens.In this case, process 501 as the generation shown in Fig. 6 (b), comprise following processing: generate the processing of the position data of jitter correction lens; Generation is used to form the processing of the control position data (positional information corresponding with opening size) of the aperture of aperture openings; Generate the processing of the position data of zoom lens.

(variation 3)

In the above-described embodiment, maintaining part 102(main body side) and maintaining part 202(lens side) be respectively a body component (parts).But this maintaining part 102,202 can be respectively also following formation: the multiple holding members that are split into several (according to several contacts) by combination form as one.

(variation 4)

In the above-described embodiment, relative two communications of communication interface (hot line communication, order data communication) arrange separately respectively, but they also can be integrally formed.,, in interchangeable lens side, lens side the 1st Department of Communication Force 217 and lens side the 2nd Department of Communication Force 218 can be integrally formed.In camera main-body side, main body side the 1st Department of Communication Force 117 and main body side the 2nd Department of Communication Force 118 can be integrally formed equally.

Further, also alternative main body side control part 103, lens side control part 203, main body side control part, the lens side control part of their each communication interface function combined in use.

(variation 5)

In the above-described embodiment, the camera system being made up of camera main-body 100 and interchangeable lens 200 has been described.But the invention is not restricted to camera system.As long as thering is the framework of dismantled and assembled interchangeable lens 200, can communicate by letter with interchangeable lens 200 and can, to the electronic equipment of interchangeable lens power supply, also the formation illustrating in above embodiment (formation of camera main-body side) can being applicable to this electronic equipment.As this electronic equipment, for example, comprise projector.Be that removable interchangeable projecting lens forms by making the projecting lens part of projector, can obtain the optical projection system same with above-mentioned embodiment.

(variation 6)

In the above-described embodiment, as shake correction mechanism, illustrate to comprise jitter correction lens that the mode of the composition with the direction vertical with the optical axis direction of imaging optical system 210 can move and by driving these jitter correction lens to carry out the mechanism of hand jitter correction.But be not limited to this as shake correction mechanism, also the mechanism of following mode: make jitter correction optical system side in the face of optical axis that comprises imaging optical system 210 rotate up (swing), and carry out jitter correction.

Only otherwise destroy feature of the present invention, the invention is not restricted to above-mentioned embodiment, other modes that can consider within the scope of technological thought of the present invention are also contained in the scope of the invention.

Claims (24)

1. an interchangeable lens, can be with respect to camera main-body dismounting, and has the maintaining part that has configured multiple contacts, it is characterized in that,

Possess: the 1st contact group, by for and above-mentioned camera main-body between carry out data communication with the 1st cycle multiple joint configuration form in above-mentioned maintaining part;

The 2nd contact group, by for and above-mentioned camera main-body between carry out data communication with the 2nd cycle shorter than above-mentioned the 1st cycle multiple joint configuration form in above-mentioned maintaining part;

Driver element, drives and is made its displacement by driver part; And

Power supply contact, is disposed at above-mentioned maintaining part, supplies with the driving voltage for making above-mentioned driver element action from above-mentioned camera main-body,

In above-mentioned maintaining part, above-mentioned the 2nd contact group is configured in the position near above-mentioned power supply contact compared with above-mentioned the 1st contact group.

2. interchangeable lens according to claim 1, is characterized in that,

Above-mentioned the 1st contact group is provided for carrying out the output of the input of the data-signal of exporting from above-mentioned camera main-body and the 1st lens data signal to above-mentioned camera main-body,

Above-mentioned the 2nd contact group is provided for the above-mentioned camera main-body output 2nd lens data signal different from above-mentioned the 1st lens data signal.

3. interchangeable lens according to claim 2, is characterized in that,

Above-mentioned the 1st contact group is provided for carrying out side by side the input of above-mentioned data-signal and the output of above-mentioned the 1st lens data signal.

4. according to the interchangeable lens described in any one of claim 1～3, it is characterized in that,

Above-mentioned the 2nd contact group comprises: the 1st contact, and input is from the clock signal of above-mentioned camera main-body output; With the 2nd contact, with above-mentioned clock signal synchronization export above-mentioned the 2nd lens data signal to above-mentioned camera main-body,

In above-mentioned maintaining part, above-mentioned the 2nd contact is configured in the position near above-mentioned power supply contact compared with above-mentioned the 1st contact.

5. according to the interchangeable lens described in any one of claim 1～4, it is characterized in that,

Above-mentioned the 2nd contact group comprises the 3rd contact, between described the 3rd contact and above-mentioned camera main-body, carries out and the communicating by letter of the nonsynchronous nonsynchronous signal of above-mentioned clock signal,

In above-mentioned maintaining part, above-mentioned the 3rd contact is configured in the position near above-mentioned the 1st contact group compared with above-mentioned the 1st contact.

6. according to the interchangeable lens described in any one of claim 1～5, it is characterized in that,

Above-mentioned multiple contact comprises the 4th contact that becomes the ground terminal corresponding with above-mentioned driving voltage,

In above-mentioned maintaining part, above-mentioned the 4th bank of contacts is disposed between above-mentioned the 2nd contact group and above-mentioned power supply contact in a row.

7. according to the interchangeable lens described in any one of claim 1～6, it is characterized in that,

Above-mentioned multiple contact is configured in above-mentioned maintaining part with circular-arc forming a line.

8. according to the interchangeable lens described in any one of claim 1～6, it is characterized in that,

Above-mentioned multiple contact forms a line and is configured in above-mentioned maintaining part with linearity.

9. a camera main-body, can dismounting interchangeable lens, and has the maintaining part that has configured multiple contacts, it is characterized in that,

Possess: the 1st contact group, by for and above-mentioned interchangeable lens between carry out data communication with the 1st cycle multiple joint configuration form in above-mentioned maintaining part;

The 2nd contact group, by for and above-mentioned interchangeable lens between carry out data communication with the 2nd cycle shorter than above-mentioned the 1st cycle multiple joint configuration form in above-mentioned maintaining part; And

Power supply contact, supplies with for driving the driving voltage that is made its displacement by driver part to above-mentioned interchangeable lens,

In above-mentioned maintaining part, above-mentioned the 2nd contact group is configured in the position near above-mentioned power supply contact compared with above-mentioned the 1st contact group.

10. camera main-body according to claim 9, is characterized in that,

Above-mentioned the 1st contact group is provided for carrying out the output of the data-signal to above-mentioned interchangeable lens and the input from the 1st lens data signal of above-mentioned interchangeable lens output,

Above-mentioned the 2nd contact group is provided for from the above-mentioned interchangeable lens input 2nd lens data signal different from above-mentioned the 1st lens data signal.

11. camera main-bodies according to claim 10, is characterized in that,

Above-mentioned the 1st contact group is provided for carrying out side by side the output of above-mentioned data-signal and the input of above-mentioned the 1st lens data signal.

12. according to the camera main-body described in any one of claim 9～11, it is characterized in that,

Above-mentioned the 2nd contact group comprises: the 1st contact, to above-mentioned interchangeable lens clock signal; With the 2nd contact, with above-mentioned clock signal synchronization input above-mentioned the 2nd lens data signal from above-mentioned interchangeable lens,

In above-mentioned maintaining part, above-mentioned the 2nd contact is configured in the position near above-mentioned power supply contact compared with above-mentioned the 1st contact.

13. according to the camera main-body described in any one of claim 9～12, it is characterized in that,

Above-mentioned the 2nd contact group comprises the 3rd contact, between described the 3rd contact and above-mentioned interchangeable lens, carries out and the communicating by letter of the nonsynchronous nonsynchronous signal of above-mentioned clock signal,

In above-mentioned maintaining part, above-mentioned the 3rd contact is configured in the position near above-mentioned the 1st contact group compared with above-mentioned the 1st contact.

14. according to the camera main-body described in any one of claim 9～13, it is characterized in that,

Above-mentioned multiple contact comprises the 4th contact that becomes the ground terminal corresponding with above-mentioned driving voltage,

In above-mentioned maintaining part, above-mentioned the 4th bank of contacts is disposed between above-mentioned the 2nd contact group and above-mentioned power supply contact in a row.

15. according to the camera main-body described in any one of claim 9～14, it is characterized in that,

Above-mentioned multiple contact is configured in above-mentioned maintaining part with circular-arc forming a line.

16. according to the camera main-body described in any one of claim 9～14, it is characterized in that,

Above-mentioned multiple contact forms a line and is configured in above-mentioned maintaining part with linearity.

17. 1 kinds of equipment, can be with respect to camera main-body dismounting, and has the maintaining part that has configured multiple contacts, it is characterized in that,

Possess: the 1st contact group, by for and above-mentioned camera main-body between carry out data communication with the 1st cycle multiple joint configuration form in above-mentioned maintaining part;

The 2nd contact group, by for and above-mentioned camera main-body between carry out data communication with the 2nd cycle shorter than above-mentioned the 1st cycle multiple joint configuration form in above-mentioned maintaining part;

Driver element, drives and is made its displacement by driver part; And

Power supply contact, is disposed at above-mentioned maintaining part, supplies with the driving voltage for making above-mentioned driver element action from above-mentioned camera main-body,

In above-mentioned maintaining part, above-mentioned the 2nd contact group is configured in the position near above-mentioned power supply contact compared with above-mentioned the 1st contact group.

18. equipment according to claim 17, is characterized in that,

Above-mentioned the 1st contact group is provided for carrying out the output of the input of the data-signal of exporting from above-mentioned camera main-body and the 1st data-signal to above-mentioned camera main-body,

Above-mentioned the 2nd contact group is provided for above-mentioned camera main-body output 2nd data-signal different from above-mentioned the 1st data-signal.

19. equipment according to claim 18, is characterized in that,

Above-mentioned the 1st contact group is provided for carrying out side by side the input of above-mentioned data-signal and the output of above-mentioned the 1st data-signal.

20. according to the equipment described in any one of claim 17～19, it is characterized in that,

Above-mentioned the 2nd contact group comprises: the 1st contact, and input is from the clock signal of above-mentioned camera main-body output; With the 2nd contact, with above-mentioned clock signal synchronization export above-mentioned the 2nd data-signal to above-mentioned camera main-body,

In above-mentioned maintaining part, above-mentioned the 2nd contact is configured in the position near above-mentioned power supply contact compared with above-mentioned the 1st contact.

21. according to the equipment described in any one of claim 17～20, it is characterized in that,

Above-mentioned the 2nd contact group comprises the 3rd contact, between described the 3rd contact and above-mentioned camera main-body, carries out and the communicating by letter of the nonsynchronous nonsynchronous signal of above-mentioned clock signal,

In above-mentioned maintaining part, above-mentioned the 3rd contact is configured in the position near above-mentioned the 1st contact group compared with above-mentioned the 1st contact.

22. according to the equipment described in any one of claim 17～21, it is characterized in that,

Above-mentioned multiple contact comprises the 4th contact that becomes the ground terminal corresponding with above-mentioned driving voltage,

In above-mentioned maintaining part, above-mentioned the 4th bank of contacts is disposed between above-mentioned the 2nd contact group and above-mentioned power supply contact in a row.

23. according to the equipment described in any one of claim 17～22, it is characterized in that,

Above-mentioned multiple contact is configured in above-mentioned maintaining part with circular-arc forming a line.

24. according to the equipment described in any one of claim 17～22, it is characterized in that,

Above-mentioned multiple contact forms a line and is configured in above-mentioned maintaining part with linearity.