CN101174075B - Camera capable of freely loading and unloading multiple photographic lens or fittings and control method thereof - Google Patents
Camera capable of freely loading and unloading multiple photographic lens or fittings and control method thereof Download PDFInfo
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- CN101174075B CN101174075B CN2006101431927A CN200610143192A CN101174075B CN 101174075 B CN101174075 B CN 101174075B CN 2006101431927 A CN2006101431927 A CN 2006101431927A CN 200610143192 A CN200610143192 A CN 200610143192A CN 101174075 B CN101174075 B CN 101174075B
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Abstract
The invention provides a camera which allows free assembly and disassembly lenses or accessories and the control method, which is characterized in that a recording part for recording the intrinsic information of the lenses or accessories is arranged on the main body side of the camera. Under the condition that the intrinsic information of the current lens or accessories is recorded in the recording part, all intrinsic information of the current lens or accessories can be obtained without data communication; even if data communication is needed, what needs to do is just exchanging the identification information of the lens or accessories. As an integral unit, the invention reduces the communication time of changing lens or various accessories.
Description
Technical field
The present invention relates to camera, in more detail, relate to the tradable camera arrangement of camera lens or the camera arrangement of installation accessories freely.
Background technology
At the tradable camera arrangement of camera lens or freely in the camera arrangement of installation accessories, general, camera body carries out various computings and control according to the information from exchange camera lens or camera accessories.
For example, disclose a kind of technology in the special fair 5-59411 communique of Japan, that is: the automatic focusing of storage is moved and the needed various data of exposure actions among the ROM in camera lens, when the camera body side is carried out this action, communicate with the exchange camera lens, read this data.
And, a kind of technology is disclosed in No. the 2868226th, Japan special permission communique, that is: when the installation of exchange camera lens or power supply read all data that are stored in the camera lens when dropping into, store in the storage unit in the camera body.
Yet have following problem in the technology that the special fair 5-59411 communique of above-mentioned Japan is put down in writing: camera body becomes time lag with the data communication of exchange camera lens in each action, diminish the high speed of camera arrangement.
And the technology of No. 2868226 record of above-mentioned Japan special permission communique is owing to carry out mass data communication when camera lens is installed, thereby have will time-consuming problem to becoming photographic state from the camera lens installation.
Summary of the invention
Therefore, the present invention makes in view of above-mentioned problem, but the purpose of this invention is to provide the camera that reduces with the call duration time high speed operation that exchanges camera lens or various annexes.
But camera of the present invention is provided with the recording portion of the intrinsic information of chronophotography camera lens or annex at main body side, in above-mentioned recording portion, logined under the situation of intrinsic information of the phtographic lens of current installation or annex, do not obtained whole intrinsic informations from above-mentioned phtographic lens or annex by data communication.In recording portion, logined under the situation of intrinsic information of the phtographic lens of current installation or annex,, also only needed the identifying information of exchange camera lens or annex to get final product even if need data communication.Like this, as a whole, can reduce call duration time with exchange camera lens or various annexes.
One of the structure of camera of the present invention is for example descended described.This camera is the camera that can freely mount and dismount multiple phtographic lens or annex, and this camera comprises: storage part, and it has one or more a plurality of zones of intrinsic information that can login above-mentioned phtographic lens or annex; Detection unit, the opportunity of its regulation when comprising the installation of above-mentioned phtographic lens or annex, whether the intrinsic information of judging this phtographic lens or annex has been logged in above-mentioned storage part, under the intrinsic information that is judged to be the phtographic lens installed or annex by above-mentioned detection unit had been logined situation in above-mentioned storage part, above-mentioned login portion did not obtain whole intrinsic information of above-mentioned phtographic lens or annex from above-mentioned phtographic lens or annex; Login portion, it is not under the intrinsic information that is judged to be the phtographic lens installed or annex by above-mentioned detection unit is logged situation in above-mentioned storage part, obtain the intrinsic information of this phtographic lens or annex from above-mentioned phtographic lens or annex, sign in in the above-mentioned storage part; And control part, it is according to the intrinsic information logined in above-mentioned storage part control cameras work, and wherein, above-mentioned login portion does not have under the situation of clear area any one party in a plurality of zones of above-mentioned storage part to be rewritten and logined in above-mentioned storage part.
The present invention also can be regarded as the invention of method.
Description of drawings
With reference to following explanation, claims and accompanying drawing, will understand these and other features, aspect and the advantage of apparatus and method of the present invention better, in the accompanying drawings:
Fig. 1 is used for the block diagram that the circuit structure to the digital camera of the present invention's the 1st embodiment describes;
Fig. 2 is used for when dropping into power supply at the present invention's the 1st embodiment or process flow diagram that the camera lens communication operation when camera lens is installed describes;
Fig. 3 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 when dropping into power supply in the 1st embodiment of the present invention and SDRAM describes;
Fig. 4 is used for process flow diagram that the camera lens communication operation when the 1st embodiment is cut off the electricity supply is described;
Fig. 5 is the figure that the data stream of 62 of FLASHROM 61 in the camera body 20 when cutting off the electricity supply in the 1st embodiment and SDRAM describes;
Fig. 6 is used for process flow diagram that the camera lens communication operation when the 2nd embodiment of the present invention drops into power supply or when camera lens is installed is described;
Fig. 7 be when in the 2nd embodiment of the present invention, dropping into power supply or the camera body 20 when camera lens is installed in FLASH ROM 61 and the figure that describes of the data stream of 62 of SDRAM;
Fig. 8 is used for process flow diagram that the camera lens communication operation when the 3rd embodiment of the present invention drops into power supply or when camera lens is installed is described;
Fig. 9 is used for process flow diagram that the camera lens communication operation when the 4th embodiment of the present invention drops into power supply or when camera lens is installed is described;
Figure 10 be when in the 4th embodiment of the present invention, dropping into power supply or the camera body 20 when camera lens is installed in FLASH ROM 61 and the figure that describes of the data stream of 62 of SDRAM;
Figure 11 is used for process flow diagram that the camera lens communication operation when the 5th embodiment of the present invention drops into power supply or when camera lens is installed is described;
Figure 12 be when in the 5th embodiment of the present invention, dropping into power supply or the camera body 20 when camera lens is installed in FLASH ROM 61 and the figure that describes of the data stream of 62 of SDRAM;
Figure 13 is used for process flow diagram that the camera lens communication operation when the 5th embodiment of the present invention is cut off the electricity supply is described;
Figure 14 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 when cutting off the electricity supply in the 5th embodiment of the present invention and SDRAM describes;
Figure 15 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 when cutting off the electricity supply in the 5th embodiment of the present invention and SDRAM describes;
Figure 16 is used for process flow diagram that the camera lens communication operation when the 6th embodiment of the present invention is cut off the electricity supply is described;
Figure 17 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 when cutting off the electricity supply in the 6th embodiment of the present invention and SDRAM describes;
Figure 18 is used for process flow diagram that the camera lens communication operation when the 7th embodiment of the present invention is cut off the electricity supply is described;
Figure 19 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 when cutting off the electricity supply in the 7th embodiment of the present invention and SDRAM describes;
Figure 20 is used for process flow diagram that the camera lens communication operation when the 8th embodiment of the present invention is cut off the electricity supply is described;
Figure 21 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 when cutting off the electricity supply in the 8th embodiment of the present invention and SDRAM describes;
Figure 22 is the figure that describes in the data stream according to 62 of the FLASH ROM 61 in the camera body 20 of the 1st variation of the 8th embodiment of the present invention and SDRAM;
Figure 23 is in the 8th embodiment of the present invention, the figure that the data stream that FLASH ROM 61 in the camera body 20 under the situation that the camera lens in the use is not logined and SDRAM are 62 describes;
Figure 24 is used for process flow diagram that the camera lens communication operation when the 9th embodiment of the present invention is cut off the electricity supply is described; And
Figure 25 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 when cutting off the electricity supply in the 9th embodiment of the present invention and SDRAM describes.
Embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.
(the 1st embodiment)
Fig. 1 is used for the block diagram that the circuit structure to the digital camera of the present invention's the 1st embodiment describes.
This digital camera (being designated hereinafter simply as camera) has: camera body 20, and can freely be installed to exchange camera lens 10 on the front face of this camera body 20.
Phtographic lens 11 has amasthenic lens, the first-class a plurality of camera lenses of varifocal mirror, and the picture (shot object image) of subject (not illustrating) is incided in the camera body 20.Aperture 12 is regulated the light quantity that incides the shot object image in the camera body 20.And lens driving circuit 15 is according to the control of camera lens CPU 17, and the focal adjustments of carrying out above-mentioned phtographic lens 11 drives and zoom drive.
On the other hand, camera body 20 is constructed as follows.
Reflected by moving reflector 21 by the phtographic lens 11 in the lens barrel 10 and the shot object image of aperture 12 incidents, imaging on focusing screen 22 arrives eyepiece 24 by pentaprism 23.Like this, the cameraman can observe shot object image.
Above-mentioned moving reflector 21 can move to subject observation place (state of Fig. 1) and retreating position (not illustrating) by the driving of mirror drive mechanism 28.And the part of moving reflector 21 is made of half-reflecting mirror.Passed through of secondary catoptron 29 reflections of the shot object image of this half-reflecting mirror part, be directed into the range-measuring circuit 30 that is used to carry out automatic range by the inside side that is configured in this moving reflector 21.
And the rear of moving reflector 21 disposes shutter 33 and as the CCD 34 of imaging apparatus on optical axis.Above-mentioned shutter 33 is the focal plane formula shutters that for example are made of preceding curtain and back curtain.Above-mentioned shutter 33 is adjusted the amount of incident of shot object image on this shooting face by covering or expose the shooting face of CCD 34.Then, this shutter 33 with under the control of control circuit 40, carries out driven for opening and closing by fast door drive mechanism 35 at camera.
Above-mentioned CCD 34 carries out the shot object image by shutter 33 incidents is converted to the shooting action of electric signal.Then, read as picture signal by CCD driving circuit 36, output to the CCD interface 43 described later in the camera usefulness control circuit 40 by 34 electrical signal converted of this CCD.
Below, camera is described with control circuit 40.
Camera is made of the integrated circuit (ApplicationSpecific Integrated Circuit is designated hereinafter simply as ASIC) towards special-purpose with control circuit 40, with the various processing of camera body 20 inside of seeking unity of action.In this ASIC 40, be provided with sequence controller (main body CPU) 41.Said sequence controller 41 is control circuits (control part) of the various computings of control, the photometry computing of carrying out each circuit in this ASIC 40, the computing of finding range etc., carries out work as the detection unit with decision-making function with the login portion with login feature in flow process described later.
And this sequence controller 41 is that data bus 42 is connected with the transfer path that is used for each one in this ASIC 40 that the various deal with data in the ASIC 40 are sent to.And, sequence controller 41 is connected with CCD interface 43, image processing circuit 44, compressor circuit 45, FLASHROM control circuit 46, SDRAM 47, imput output circuit 50, telecommunication circuit 51, recording medium control circuit 52, video signal output circuit 53 and switch testing circuit 54 by above-mentioned data bus 42.
43 pairs of picture signals of reading by CCD driving circuit 36 from CCD 34 of above-mentioned CCD interface are implemented the simulation process of noise remove, amplification, wave shaping etc.Then, the analog picture signal of having implemented these processing is converted to digital signal and generates camera data, this camera data is outputed to image processing circuit 44.
The various Flame Image Process that the image recording of the camera data enforcement white balance correction that 44 pairs of image processing circuits are generated in CCD interface 43, γ (gamma) correction, color correction etc. is used.
FLASHROM control circuit 46 writes data into writing address control and reading address control etc. during from FLASH ROM 61 sense datas as in the FLASHROM 61 of storage part the time.In addition, in FLASH ROM 61, store the various programs carried out by sequence controller 41 and the various adjusted values relevant with camera body 20.
Recording medium control circuit 52 carries out writing address control and reading address control etc. when recording medium 63 is read packed data when being written in the recording medium 63 by the camera data that compressor circuit 45 compressed.Aforementioned recording medium 63 is storage cards that for example can freely mount and dismount camera body 20 etc., records the camera data that is compressed by compressor circuit 45.
Video signal output circuit 53 outputs to LCD monitor driving circuit 64 converting the signal that is suitable for showing to by image processing circuit 44 handled camera datas etc.This LCD monitor driving circuit 64 carries out image and shows according to the signal from video signal output circuit 53 inputs on LCD monitor 65.
And switch testing circuit 54 detects connection, the off-state of various switches (SW) 66, exports the signal corresponding with this state.Various switches 66 although do not illustrate, are the functional units of power switch, shutter release, menu switch, mode altering switch described later etc., carry out on/off by the operation of aforesaid operations parts.
In the camera that constitutes like this, the picture of the subject (not illustrating) of phtographic lens 11 incidents in the exchange camera lens 10 is directed into camera body 20 by aperture 12.The shot object image that is directed in the camera body 10 is reflected by moving reflector 21, and the eyes that pentaprism 23 and eyepiece 24 arrive cameramans' (not illustrating) are passed through in imaging on focusing screen 22 afterwards.
And the shot object image that has seen through the half-reflecting mirror part of moving reflector 21 is directed into range-measuring circuit 30 by secondary catoptron 29 reflections.According to the range finding result of this range-measuring circuit 30, among the camera lens CPU 17 in sequence controller 41 in ASIC40 and the exchange camera lens 10, calculate the needed lens driving amount of focal adjustments according to the focus departure.Then, according to this lens driving amount, on optical axis direction, drive phtographic lens 11 by lens driving circuit 15.And the result who is carried out photometry by photometric measurer (not illustrating) is reflected to the aperture driving mechanism by said sequence controller 41 and camera lens CPU 17 equally, thereby carries out dwindling of aperture 12.Carry out above-mentioned range finding and photometry processing action by the 1st shutter release of connecting in the various switches 66 (not illustrating).
Then, when the 2nd shutter release (not illustrating) in the various switches 66 is connected, be positioned at the moving reflector 21 of observation place and the secondary catoptron 29 mirror driving mechanism 28 that is reflected and move to and do not make illustrated retreating position (catoptron lifting).Under this state, shot object image is taken in the CCD 34 according to switching time of shutter 33, implement Flame Image Process by image processing circuit 44, and shot object image is stored in the SDRAM 62 by SDRAM control circuit 47.Afterwards, aperture 12 is open, and moving reflector 21 and secondary catoptron 29 move to observation place (catoptron is fallen).
In addition, the view data that is stored in the SDRAM 62 can be presented on the LCD monitor 65, and can be written in the recording medium 63.
Below, with reference to Fig. 2 and Fig. 3, during to the input power supply in the 1st embodiment of the present invention or the exchange camera lens 10 when camera lens is installed describe with communicating by letter of camera body 20.
Fig. 2 is used for when dropping into power supply at the present invention's the 1st embodiment or process flow diagram that the camera lens communication operation when camera lens is installed describes.Fig. 3 is the figure that the data stream to 62 of the FLASHROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When dropping into power supply, perhaps when following of the state that has dropped into power supply exchanges camera lens 10 and is installed on the camera body 20, call this camera lens communication operation from the master routine of known camera and come when an exchange camera lens 10 is installed on the camera body 20.Then, at first in step S1, the camera lens logon data 101 in the FLASH ROM 61 of retrieval camera body 20.Then, judgement has or not the camera lens logon data in step S2.
In FLASH ROM 61, have under this data conditions, transfer to step S3, this camera lens logon data is copied in the lens data zone 102 in the SDRAM 62 (a1).On the other hand, in above-mentioned steps S2, do not have to skip above-mentioned steps S3 under the situation of camera lens logon data.
In step S4, carry out the initialization that is installed in the exchange camera lens 10 on the camera body 20.Then, judge in step S5 whether the initialization that exchanges camera lens 10 is successful.Here, when initially changing into merit, transfer to step S6, when not becoming merit, transfer to aftermentioned step S15.
In step S6, request exchange camera lens 10 sides send the camera lens recognition data.This camera lens recognition data is the MIN lens data that pre-prepd exchange camera lens is judged usefulness.Then, in step S7, judge whether the reception of recognition data is successful.As a result, when receiving successfully, transfer to step S8, when not becoming merit, transfer to aftermentioned step S11.
In step S8, received camera lens recognition data and the camera lens logon data of duplicating in above-mentioned steps S3 are compared.Then, in step S9, judge whether the recognition data that compares is consistent in above-mentioned steps S8.Here, when recognition data is consistent, transfer to step S10, the exchange camera lens 10 (connection camera lens) that is defined as being installed on the camera body 20 is the camera lens of having logined in FLASH ROM 61.In above-mentioned steps S7 under the situation about taking defeat of recognition data, and in above-mentioned steps S9, under the inconsistent situation of recognition data, all transfer to step S11.In this step S11, it is whole lens datas that request exchange camera lens 10 sides send the intrinsic information that is stored in the phtographic lens in the lens data ROM 18.Then, in step S12, judge whether whole Data Receiving of exchange camera lens 10 is successful.
Here, when the whole Data Receiving that exchanges camera lens 10 is successful, transfer to step S13, whole lens data of exchange camera lens 10 is kept in the SDRAM 62.And in step S14, the exchange camera lens 10 that is defined as being installed on the camera body 20 is not login camera lens.And, when lens data takes defeat in above-mentioned steps S12, transfer to step S15.
In above-mentioned steps S5, under the situation of camera lens initialization failure, perhaps under the situation that lens data takes defeat in step S12, in step S15, predefined camera lens both given data is read among the SDRAM 61.Afterwards, in step S16, the exchange camera lens 10 that is defined as being installed on the camera body 20 is not login camera lens or exchange camera lens 10 is not installed.
Then, after any one processing action of having carried out above-mentioned steps S10, S14, S16, transfer to step S17, determine to be installed at present the state of exchange camera lens on the camera body 20.Afterwards, this EOP (end of program).
In addition, in Fig. 3,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 101 ", " 102 " of the lens data relevant portion of Fig. 3 are replaced with " 301 ", " 302 ", corresponding performance " camera lens " is replaced with " annex ", and " a1 " of expression flow process replaced with " b1 ", omit its explanation.
Below, with reference to Fig. 4 and Fig. 5, the exchange camera lens 10 during to cutting off the electricity supply in the 1st embodiment describes with communicating by letter of camera body 20.
Fig. 4 is used for when changing the exchange camera lens at the 1st embodiment or process flow diagram that the camera lens communication operation in when cutting off the electricity supply describes, and Fig. 5 is the figure that the data stream to 62 of the FLASH ROM61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S21, judge whether the exchange camera lens 10 that is installed on the camera body 20 is camera lenses corresponding with login feature.Here, under the situation that is the camera lens corresponding, transfer to step S22 with login feature, if not, then transfer to aftermentioned step S25.
In step 822, retrieval camera lens logon data in FLASH ROM 61.Then, in step S23, above-mentioned camera lens recognition data 111 is compared with camera lens logon data 112, judge whether the exchange camera lens of current use is to have logined camera lens (a11).Here, when the exchange camera lens of being installed is the camera lens of not logining (inconsistent), transfer to step S24, the lens data in the lens data zone 113 that is kept at SDRAM62 is signed in in the FLASH ROM 61 (a12) as camera lens logon data 112.On the other hand, in above-mentioned steps S23, judge it is under the situation of listed camera lens, owing to there is no need to login lens data, thereby skips steps S24 and transfer to step S25.
In step S25, carry out the end process of above-mentioned camera lens.Then, this EOP (end of program).
In addition, in Fig. 5,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 111 "～" 113 " of the lens data relevant portion of Fig. 5 are replaced with " 311 "～" 313 ", corresponding performance " camera lens " is replaced with " annex ", and " a11 ", " a12 " of expression flow process are replaced with " b11 ", " b12 ", omit its explanation.
Like this,, in camera body 20, have: can login the nonvolatile recording medium FLASH ROM 61 of the data of exchange camera lens or annex, and compare the volatile memory SDRAM 62 that works more at high speed with FLASHROM 61 according to the 1st embodiment.And, when dropping into power supply or when exchange camera lens 10 is installed, the logon data among the FLASH ROM 61 is copied in the SDRAM 62.Therefore, if exchange camera lens 10 (or annex) is logined in FLASHROM 61 in advance, from exchange camera lens 10 (or annex) whole data are sent to camera body 20 with regard to there is no need.
And, judge owing in the identification of exchange camera lens 10 (or annex), only the little recognition data of data volume is sent to camera body 20 from exchange camera lens 10 (or annex), thereby its communication load is little.
And, only recognition data take defeat or recognition data that exchanges camera lens 10 (or annex) and the inconsistent situation of recognition data that copies in the SDRAM 62 under, just whole data are sent to camera body 20, thereby the chance of carrying out big data quantity communication seldom from exchange camera lens 10 (or annex).
And, even exchange camera lens 10 (or annex) initialization failure, perhaps whole Data Receiving failures, owing to prepared both given data, thereby also can photograph.
And under the situation that exchange camera lens 10 (or annex) is not logined, the logon data of SDRAM 62 also is logged in FLASH ROM 61, thereby does not need to transmit whole data from next time.
Like this, according to the 1st embodiment, owing to can shorten the initial communication time of exchange camera lens, thereby can shorten the starting time.
(the 2nd embodiment)
Below, the 2nd embodiment of the present invention is described.
Above-mentioned the 1st embodiment is to carry out at whole data when the repeat glass logon data, yet in this 2nd embodiment, only duplicates the performance-relevant data of automatic exposure (AE), automatic focusing (AF) etc. and camera.That is, the storage area of FLASH ROM 61 is used in common data area, only the data relevant with photography property is copied in the high speed SDRAM62 to conduct interviews when starting.
Below, with reference to Fig. 6 and Fig. 7, during to the input power supply in the 2nd embodiment of the present invention or the exchange camera lens 10 when camera lens is installed describe with communicating by letter of camera body 20.
Fig. 6 is used for process flow diagram that the camera lens communication operation when the 2nd embodiment of the present invention drops into power supply or when camera lens is installed is described.Fig. 7 is the figure that the data stream to 62 of the FLASHROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S31, the camera lens logon data 122 in the FLASHROM 61 of retrieval camera body 20.Then, judgement has or not the camera lens logon data in step S32.Here, in FLASH ROM 61, have under this data conditions, transfer to step S33, the address of camera lens logon data 122 is taken into (a21) in the lens data pointer 124.Next, in step S34, only the data relevant with photography property (photography associated data) 123 are copied in the lens data zone 121 of SDRAM 62 (a22).On the other hand, in above-mentioned steps S32, do not have to skip above-mentioned steps S33 and S34 under the situation of camera lens logon data.
Below, because the processing of step S35～S48 action is identical with the processing action of the step S4～S17 of the process flow diagram of Fig. 2 of above-mentioned the 1st embodiment, thereby, omit explanation here as the processing action of distinguishing corresponding step for fear of repeat specification.
In addition, in Fig. 7,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 121 "～" 124 " of the lens data relevant portion of Fig. 7 are replaced with " 321 "～" 324 ", corresponding performance " camera lens " is replaced with " annex ", and " a21 ", " a22 " of expression flow process are replaced with " b21 ", " b22 ", omit its explanation.
Like this, according to the 2nd embodiment, when dropping into power supply or when exchange camera lens 10 is installed, in the logon data in FLASH ROM 61, only automatic exposure (AE) and automatically the performance-relevant data of focusing (AF) etc. and camera copy in the SDRAM 62.Therefore, the copy data amount is compared littler with the 1st embodiment.
Like this, according to the 2nd embodiment, compare and further to shorten the starting time of camera with above-mentioned the 1st embodiment, and can not exert an influence photography property.
(the 3rd embodiment)
Below, the 3rd embodiment of the present invention is described.
The 3rd embodiment carries out the retrieval of camera lens initialization and communication process and logon data simultaneously and duplicates.
Below, with reference to Fig. 8, during to the input power supply in the 3rd embodiment of the present invention or the exchange camera lens 10 when camera lens is installed describe with communicating by letter of camera body 20.
Fig. 8 is used for process flow diagram that the camera lens communication operation when the 3rd embodiment of the present invention drops into power supply or when camera lens is installed is described.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S51, carry out the initialization that is installed in the exchange camera lens 10 on the camera body 20.Then, judge in step S52 whether the initialization that exchanges camera lens 10 is successful.Here, when initially changing into merit, transfer to step S53,, then transfer to step S65 if unsuccessful.In step S53, request exchange camera lens 10 sides send above-mentioned camera lens recognition data.Then, in step S54, judge whether the reception of camera lens recognition data is successful.As a result, when receiving successfully, transfer to step S58,, then transfer to step S61 if unsuccessful.
And, parallel with above-mentioned camera lens initialization, in step S55, the camera lens logon data in the FLASH ROM 61 of retrieval camera body 20.Then, judgement has or not the camera lens logon data in step S56.Here, in FLASH ROM 61, have under this data conditions, transfer to step S57, this camera lens logon data is copied in the lens data zone in the SDRAM 62, transfer to step S58 afterwards.On the other hand, in above-mentioned steps S56, do not have to transfer to step S61 under the situation of camera lens logon data.
Below, because the processing of step S59～S67 action is identical with the processing action of the step S8～S17 of the process flow diagram of Fig. 2 of above-mentioned the 1st embodiment, thereby, omit explanation here as the processing action of distinguishing corresponding step for fear of repeat specification.
Like this, according to the 3rd embodiment, retrieve and duplicate owing to carry out camera lens initialization and communication process and logon data simultaneously, thereby can shorten the starting time of camera.
(the 4th embodiment)
Below, with reference to Fig. 9 and Figure 10, during to the input power supply in the 4th embodiment of the present invention or the exchange camera lens 10 when camera lens is installed describe with communicating by letter of camera body 20.
In above-mentioned the 1st embodiment, be respectively that 1 situation example is described to the data entry zone of exchange camera lens and annex.In the 4th embodiment, the situation example that the data entry zone that exchanges camera lens and annex is had a plurality of (are 3 at this) respectively describes.
Fig. 9 is used for process flow diagram that the camera lens communication operation when the 4th embodiment of the present invention drops into power supply or when camera lens is installed is described, and Figure 10 is the figure that the data stream to 62 of the FLASHROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S81, carry out the initialization that is installed in the exchange camera lens 10 on the camera body 20.Then, judge in step S82 whether the initialization that exchanges camera lens 10 is successful.Here, when initially changing into merit, transfer to step S83,, then transfer to step S93 if unsuccessful.In step S83, request exchange camera lens 10 sides send above-mentioned camera lens recognition data.Then, in step S84, judge whether the reception of camera lens recognition data 131 is successful.As a result, when receiving successfully (a31), transfer to step S85,, then transfer to step S89 if unsuccessful.
In step S85, a plurality of (is 3 at this) camera lens 1 logon data 131～camera lens 3 logon data 133 in the FLASH ROM 61 of camera body 20 are retrieved (a32).Then, in step S86, judge and have or not the camera lens logon data corresponding with exchanging camera lens 10.Here, in FLASH ROM 61, have under this data conditions, transfer to step S87, this camera lens logon data is copied in the lens data zone 135 in the SDRAM 62 (a33).On the other hand, in above-mentioned steps S86, do not have to transfer to step S89 under the situation of camera lens logon data.
Below, because the processing of step S88～S95 action is identical with the processing action of the step S10～S17 of the process flow diagram of Fig. 2 of above-mentioned the 1st embodiment, thereby, omit explanation here as the processing action of distinguishing corresponding step for fear of repeat specification.
In addition, in Figure 10,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 131 "～" 135 " of the lens data relevant portion of Figure 10 are replaced with " 331 "～" 335 ", corresponding performance " camera lens " is replaced with " annex ", and " a31 "～" a33 " of expression flow process replaced with " b31 "～" b33 ", omit its explanation.
Like this, according to the 4th embodiment,, also can shorten the starting time of camera for a plurality of exchange camera lenses or annex.
(the 5th embodiment)
Below, the 5th embodiment of the present invention is described.
In above-mentioned the 4th embodiment, the situation example that the data entry zone that exchanges camera lens and annex is had a plurality of (are 3 at this) respectively is described.In the 5th embodiment, be following example, that is: the data entry zone of camera lens and annex has a plurality ofly, and the login of camera lens and attachment data manages by its access times.
Below, with reference to Figure 11 and Figure 12, during to the input power supply in the 5th embodiment of the present invention or the exchange camera lens 10 when camera lens is installed describe with communicating by letter of camera body 20.
Figure 11 is used for process flow diagram that the camera lens communication operation when the 5th embodiment of the present invention drops into power supply or when camera lens is installed is described, and Figure 12 is the figure that the data stream to 62 of the FLASHROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, in step S101, carry out the initialization that is installed in the exchange camera lens 10 on the camera body 20, then, judge in step S102 whether the initialization of exchange camera lens 10 is successful.Here, when initially changing into merit, transfer to step S103,, then transfer to step S113 if unsuccessful.In step S103, request exchange camera lens 10 sides send above-mentioned camera lens recognition data, in step S104, judge whether the reception of camera lens recognition data 141 is successful.As a result, when receiving successfully (a41), transfer to step S105,, then transfer to step S110 if unsuccessful.
In step S105, a plurality of (is 3 at this) camera lens 1 logon data 143, camera lens 2 logon data 145 and camera lens 3 logon data 147 in the FLASH ROM 61 of camera body 20 are retrieved (a42).Then, in step S106, judge and have or not the camera lens logon data corresponding with exchanging camera lens 10.Here, in FLASH ROM 61, have under this data conditions, transfer to step S107, this camera lens logon data is copied in the lens data zone 148 in the SDRAM 62 (a43).
Then, in following step S108, the access times that exchange camera lens 10 are increased progressively counting.That is, detected camera lens access times data from the lens data of being logined are copied in the SDRAM 62 (a44), increase progressively counting (a45).
On the other hand, in above-mentioned steps S106, do not have to transfer to step S110 under the situation of camera lens logon data.
Below, because the processing of step S109～S116 action is identical with the processing action of the step S10～S17 of the process flow diagram of Fig. 2 of above-mentioned the 1st embodiment, thereby, omit explanation here as the processing action of distinguishing corresponding step for fear of repeat specification.
In addition, in Figure 12,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 141 "～" 149 " of the lens data relevant portion of Figure 12 are replaced with " 341 "～" 349 ", corresponding performance " camera lens " is replaced with " annex ", and " a41 "～" a45 " of expression flow process replaced with " b41 "～" b45 ", omit its explanation.
Below, with reference among Figure 13 to Figure 15, the exchange camera lens 10 during to cutting off the electricity supply in the 5th embodiment of the present invention describes with communicating by letter of camera body 20.
Figure 13 is used for when changing the exchange camera lens at the 5th embodiment of the present invention or process flow diagram that the camera lens communication operation in when cutting off the electricity supply describes, and Figure 14 and Figure 15 are the figure that the data stream to 62 of the FLASH ROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S121,, judge whether the exchange camera lens 10 that is installed on the camera body 20 is camera lenses corresponding with login feature according to camera lens recognition data 151.Here, under the situation that is the camera lens corresponding, transfer to step S122 with login feature, if not, then transfer to aftermentioned step S132.
In step S122, in FLASH ROM 61, a plurality of (is 3 at this) camera lens 1 logon data 153 (163), camera lens 2 logon data 155 (165) and camera lens 3 logon data 157 (167) are retrieved (a51) ((a61)).Then, in step S123, above-mentioned camera lens recognition data 151 (161) and camera lens logon data 153 (163), 155 (165), 157 (167) are compared, judge whether the exchange camera lens of current use is listed camera lens.
Here, the exchange camera lens 10 in being judged to be use is under the situation of listed camera lens, owing to there is no need to login lens data, thereby transfer to step S131.Then, in this step S 131, upgrade the access times of exchange camera lens 10.At this, suppose the exchange camera lens of camera lens 3 logon data 157 in being to use, then only camera lens access times data 159 are write in camera lens 3 access times 156, promptly upgrade (a53).Do not carry out the login of lens data and upgrade (a52).Next after, transfer to aftermentioned step S132.
On the other hand, when in above-mentioned steps S123, when the exchange camera lens of being installed is the camera lens of not logining (inconsistent), next in step S124, judge whether the login zone of FLASH ROM 61 has the free time.Here, under the free not busy situation in login zone, transfer to step S125, and do not having to transfer to step S127 under the idle situation.Then, in step S127, the minimum data of its access times of retrieval from camera lens logon data 163,165,167.That is retrieval minimum access times (a62) from camera lens 1 access times 162, camera lens 2 access times 164, camera lens 3 access times 166.
When having carried out the retrieval of these camera lens access times, in step S128, it is a plurality of to judge whether minimum access times have.As a result, when minimum access times are only 1 the time, transfer to step S129, the corresponding camera lens logon data (is camera lens 3 logon data 167 at this) of deletion (a63).On the other hand, minimum access times have under a plurality of situations in above-mentioned steps S128, transfer to step S130.Then, in this step S130, the minimum lens data (is camera lens 1 logon data at this) of deletion login numbering.
When in above-mentioned steps S129 or S130, having deleted lens data, transfer to step S125, the data of the exchange camera lens 10 of current use (lens data zone 168) are signed in in the corresponding region in the FLASH ROM 61 that has deleted lens data among above-mentioned steps S129 or the S130 (a64).Then, in step S126, the access times data are carried out initialization.At this, suppose the exchange camera lens of camera lens 3 logon data 167 in being to use, then camera lens 3 access times 166 are carried out initialization (a65).
Then, behind above-mentioned steps S126 or S131, in step S132, carry out the end process of camera lens.Then, this EOP (end of program).
In addition, in Figure 14 and Figure 15,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 151 "～" 159 " of the lens data relevant portion of Figure 14 are replaced with " 351 "～" 359 ", corresponding performance " camera lens " is replaced with " annex ", and " a51 "～" a53 " of expression flow process replaces with " b51 "～" b53 ", then, label " 161 "～" 168 " of the lens data relevant portion of Figure 15 are replaced with " 361 "～" 368 ", corresponding performance " camera lens " is replaced with " annex ", and handle represents that " a61 "～" a65 " of flow process replaces with " b61 "～" b65 ", omits its explanation.
Like this, according to the 5th embodiment, can in a plurality of camera lenses of reply or annex, shorten the starting time of camera.And, but efficient is utilized FLASH ROM 61 well.
(the 6th embodiment)
Below, the 6th embodiment of the present invention is described.
Above-mentioned the 5th embodiment has a plurality of to the data entry zone of camera lens and annex, and the login of camera lens and attachment data is described by the example that its access times manage.The 6th embodiment is the example of further numbering order execution from small to large and managing by zone rewriting number of times numbering by login under the situation that access times equate.
Below, with reference to Figure 16 and Figure 17, the exchange camera lens 10 during to cutting off the electricity supply in the 6th embodiment of the present invention describes with communicating by letter of camera body 20.
Figure 16 is used for process flow diagram that the camera lens communication operation when the 6th embodiment of the present invention is cut off the electricity supply is described, and Figure 17 is the figure that the data stream to 62 of the FLASH ROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S141,, judge whether the exchange camera lens 10 that is installed on the camera body 20 is camera lenses corresponding with login feature according to camera lens recognition data 171.Here, when being the camera lens corresponding, transfer to step S142 with login feature, if not, then transfer to step S155.
In step S142, in FLASH ROM 61, a plurality of (is 3 at this) camera lens 1 logon data 174, camera lens 2 logon data 177 and camera lens 3 logon data 180 are retrieved (a71).Then, in step S143, above-mentioned camera lens recognition data 171 and camera lens logon data 174,177,180 are compared, judge whether the exchange camera lens 10 of current use is listed camera lens.
Here, the exchange camera lens in being judged to be use is under the situation of listed camera lens, owing to there is no need to login lens data, thereby transfer to step S154.Then, in this step S154, upgrade the access times of exchange camera lens 10.Afterwards, transfer to step S155.
On the other hand, when in above-mentioned steps S143, when the exchange camera lens of being installed is the camera lens of not logining (inconsistent), next in step S144, judge whether the login zone of FLASH ROM 61 has the free time.Here, under the free not busy situation in login zone, transfer to step S 151, and do not having to transfer to step S145 under the idle situation.Then, at step S 144, the minimum data of its access times of retrieval from camera lens logon data 174,177,180.That is retrieval minimum access times (a72) from camera lens 1 access times 172, camera lens 2 access times 175, camera lens 3 access times 178.
When having carried out the retrieval of these camera lens access times, in step S146, it is a plurality of to judge whether minimum access times have.As a result, when minimum access times are only 1 the time, transfer to step S147.On the other hand, minimum access times have under a plurality of situations in above-mentioned steps S146, transfer to step S148.In this step S148, minimum is rewritten the number of times zone compare.That is, to zone 1 write indegree 173, indegree 176 is write in zone 2 and zone 3 is write indegree 179 and retrieved (a73).
Then, in step S149, judge whether the minimum rewriting number of times zone that retrieves has a plurality of in above-mentioned steps S148.Here, rewrite the number of times zone in minimum and have only under 1 the situation, transfer to step S147, having under a plurality of situations, transfer to step S150.In step S147, the lens data (is camera lens 3 logon data at this) of the data area that deletion is corresponding.And, in step S150, the lens data in deletion zone number minimal data zone.At this, suppose that camera lens 2 access times 175 and camera lens 3 access times 178 are identical and regional 3 write indegree 179 minimums, then delete camera lens 3 logon data 180 (a74).
Then, when in above-mentioned steps S147 or S150, having deleted this lens data, transfer to step S151, the data of the exchange camera lens 10 of current use (lens data zone 181) are signed in in the respective regions in the FLASH ROM 61 that has deleted lens data among above-mentioned steps S147 or the S150 (a75).Then, in step S152, the access times data are carried out initialization.At this, suppose the exchange camera lens of camera lens 3 logon data 180 in being to use, then camera lens 3 access times 178 are carried out initialization (a76).And, in step S153, increase progressively counting and upgrade the zone and 3 write indegree 179 (a77) writing indegree.
Then, behind above-mentioned steps S153 or S154, in step S155, carry out the end process of camera lens.Then, this EOP (end of program).
In addition, in Figure 16 and Figure 17,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 171 "～" 181 " of the lens data relevant portion of Figure 17 are replaced with " 371 "～" 381 ", corresponding performance " camera lens " is replaced with " annex ", and " a71 "～" a77 " of expression flow process replaced with " b71 "～" b77 ", omit its explanation.
Like this, according to the 6th embodiment, the starting time of the camera that can shorten next time and carry out.In addition, if under the situation that access times equate, adopt login numbering order from small to large, then may the concentrated area the same area is rewritten and be shortened the life-span of specific region, yet according to present embodiment, manage owing to rewrite the number of times numbering, thereby can the concentrated area not rewritten by the same area by the zone.
(the 7th embodiment)
Below, the 7th embodiment of the present invention is described.
The the above-mentioned the 4th and the 5th embodiment has a plurality of to the data entry zone of camera lens and annex, and the example that the login of camera lens and attachment data is managed by its access times is described, yet the 7th embodiment is by the example of using date time management logon data.
Below, with reference to Figure 18 and Figure 19, the exchange camera lens 10 during to cutting off the electricity supply in the 7th embodiment of the present invention describes with communicating by letter of camera body 20.
Figure 18 is used for when the 7th embodiment of the present invention exchange camera lens is replaced or the process flow diagram that describes of the camera lens communication operation in when cutting off the electricity supply, and Figure 19 is the figure that the data stream to 62 of the FLASH ROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S161,, judge whether the exchange camera lens 10 that is installed on the camera body 20 is camera lenses corresponding with login feature according to camera lens recognition data 191.Here, when being the camera lens corresponding, transfer to step S162 with login feature, if not, then transfer to aftermentioned step S171.
In step S162, in FLASH ROM 61, a plurality of (is 3 at this) camera lens 1 logon data 193, camera lens 2 logon data 195 and camera lens 3 logon data 197 are retrieved (a91).Then, in step S163, above-mentioned camera lens recognition data 191 and camera lens logon data 193,195,197 are compared, judge whether the exchange camera lens of current use is listed camera lens.
Here, the exchange camera lens in being judged to be use is under the situation of listed camera lens, owing to there is no need to login lens data, thereby transfer to aftermentioned step S170.On the other hand, when in above-mentioned steps S163, when the exchange camera lens of being installed is the camera lens of not logining (inconsistent), next in step S164, judge whether the login zone of FLASH ROM 61 has the free time.Here, under the free not busy situation in login zone, transfer to step S169, and do not having to transfer to step S165 under the idle situation.
Then, in step S165, from camera lens logon data 193,195,197 retrieval its to use time on date be past data (a91).As a result, in step S166, judge in the time on use date of the camera lens that uses the most in the past whether a plurality of identical datas are arranged.In the time on use date of the camera lens that uses the most in the past the situation of a plurality of identical datas being arranged is to take place for for example waiting under the long situation in 1 hour in time management unit.And, rare down in the situation of changes on the way such as the calendar/clock setting of camera body 20 etc.Here,, transfer to step S167, the lens data that deletion is corresponding having only under 1 the situation.On the other hand, have under a plurality of situations, transfer to step S168, the lens data in the zone of deletion logon area Field Number minimum in the time on use date of the camera lens that uses the most in the past.
In step S169, the clear area is write having under the idle situation, perhaps in above-mentioned steps S167 or S168, deleted in the zone of corresponding lens data and logined lens data (lens data zone 198) (a92).Then, in step S170, upgrade and use the date time data, promptly the update system finish time (is that camera lens 3 uses the time on date 196 at this) (a93).
Afterwards, carry out the end process of camera lens at step S171.Then, this EOP (end of program).
In addition, in Figure 18 and Figure 19,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 191 "～" 198 " of the lens data relevant portion of Figure 19 are replaced with " 391 "～" 398 ", corresponding performance " camera lens " is replaced with " annex ", and " a91 "～" a93 " of expression flow process replaced with " b91 "～" b93 ", omit its explanation.
Like this,, can use storer effectively, shorten the starting time of the next camera that carries out according to the 7th embodiment.
(the 8th embodiment)
Below, the 8th embodiment of the present invention is described.
In above-mentioned the 7th embodiment, camera lens and attachment data login zone is had a plurality of, and be described by the example of using date time management logon data.In the 8th embodiment, further, carry out login, and rewrite the number of times numbering by the zone and manage by login numbering order from small to large using under the situation that the time on date equates.
Below, with reference to Figure 20 and Figure 21, the exchange camera lens 10 during to cutting off the electricity supply in the 8th embodiment of the present invention describes with communicating by letter of camera body 20.
Figure 20 is used for process flow diagram that the camera lens communication operation when the 8th embodiment of the present invention is cut off the electricity supply is described, and Figure 21 is the figure that the data stream to 62 of the FLASH ROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S181,, judge whether the exchange camera lens 10 that is installed on the camera body 20 is camera lenses corresponding with login feature according to camera lens recognition data 201.Here, when being the camera lens corresponding, transfer to step S182 with login feature, if not, then transfer to aftermentioned step S193.
In step S182, in FLASH ROM 61, a plurality of (is 3 at this) camera lens 1 logon data 204, camera lens 2 logon data 207 and camera lens 3 logon data 210 are retrieved (a101).Then, in step S183, above-mentioned camera lens recognition data 201 is compared with camera lens logon data 204,207,210, judge whether the exchange camera lens 10 of current use is listed camera lens.
Here, the exchange camera lens in being judged to be use is under the situation of listed camera lens, owing to there is no need to login lens data, thereby transfer to aftermentioned step S192.On the other hand, when in above-mentioned steps S183, when the exchange camera lens of being installed is the camera lens of not logining (inconsistent), next in step S184, judge whether the login zone of FLASH ROM 61 has the free time.Here, under the free not busy situation in login zone, transfer to step S191, and do not having to transfer to step S185 under the idle situation.
Then, in step S185, use time on date 202, camera lens 2 to use time on date 205 and camera lens 3 to use the time on date (a102) that its use time on date of retrieval passes by most the time on date 208 from camera lens 1.As a result, judge in step S186 the most whether the time on use date of the camera lens of use has a plurality of identical times on use date.Here,, transfer to step S187, the lens data that deletion is corresponding having only under 1 the situation.On the other hand, have in the time on use date of the camera lens that uses the most in the past under the situation of a plurality of identical times on date, transfer to step S188, minimum is rewritten the number of times zone compare.That is, to zone 1 write indegree 203, indegree 206 is write in zone 2 and zone 3 is write indegree 209 and retrieved (a103).
Then, in step S189, judge whether the minimum rewriting number of times zone that retrieves has a plurality of identical zones in above-mentioned steps S188.Here, rewrite number of times in minimum and have only under 1 the situation, transfer to step S187, having under a plurality of situations, transfer to step S190.In step S187, the lens data (is camera lens 3 logon data at this) of the minimum access times data area that deletion is corresponding.And, in step S190, the lens data of deletion logon area Field Number Minimum Area.At this, suppose that time on use date of camera lens 2,3 is the oldest and under the identical time on use date, indegree 209 minimums are write in zone 3, then delete camera lens 3 logon data 210 (a104).
Then, when in above-mentioned steps S187 or S190, having deleted this lens data, transfer to step S191, the data of the exchange camera lens 10 of current use (lens data zone 211) are signed in in this zone in the FLASH ROM 61 that has deleted lens data among above-mentioned steps S187 or the S190 (a105).Then, in step S192, upgrade and use the date time data and write indegree (a106).At this, suppose the exchange camera lens of camera lens 3 logon data 210 in being to use, then upgrade camera lens 3 and use times on date 208 and zone 3 to write indegree 209 these 2 (a106, a107).
Afterwards, in above-mentioned steps S193, carry out the end process of camera lens.Then, this EOP (end of program).
In addition, in Figure 20 and Figure 21,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 201 "～" 211 " of the lens data relevant portion of Figure 21 are replaced with " 401 "～" 411 ", corresponding performance " camera lens " is replaced with " annex ", and handle represents that " a101 "～" a107 " of flow process replaces with " b101 "～" b107 ", omits its explanation.
Like this, according to the 8th embodiment, the starting time of the camera that can shorten next time and carry out.And, if adopt login numbering order from small to large using under the identical situation of time on date, then worry can be rewritten the same area in the concentrated area, yet according to present embodiment, manage owing to rewrite the number of times numbering, thereby can the concentrated area not rewritten by the same area by the zone.
In addition, in above-mentioned the 8th embodiment, use camera lens time on date and zone to write indegree and be written in the FLASH ROM 61, yet be not limited thereto.For example, the stand-by block (BACKUP BLOCK) of use EEPROM etc. does not write when data consistent in the FLASH ROM 61, but is stored in the stand-by block, can further prolong the life-span of FLASH ROM 61 yet.
Figure 22 is the figure that describes in the data stream according to 62 of the FLASH ROM 61 in the camera body 20 of the 1st variation of the 8th embodiment of the present invention and SDRAM.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
In FLASH ROM 61, a plurality of (is 3 at this) camera lens 1 logon data 222, camera lens 2 logon data 223 and camera lens 3 logon data 224 are retrieved.Camera lens recognition data 221 and camera lens logon data 222,223,224 are compared, judge whether the exchange camera lens of current use is listed camera lens.
Under the situation consistent with logon data, the lens data in the use date time data zone that deletion is corresponding upgrades camera lens 3 and uses date time data (a122).
Afterwards, increase progressively counting, upgrade zone 3 and write indegree (a123) writing indegree.Owing to logined lens data, thereby the renewal (a124) of camera lens 3 logon data does not certainly take place, management data (use the time on date, write indegree etc.) does not take place yet, and FLASH ROM 61 write the result, can reduce the indegree of writing to FLASH ROM 61, but life-saving.
In addition, in Figure 22,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 221 "～" 231 " of the lens data relevant portion of Figure 22 are replaced with " 421 "～" 431 ", corresponding performance " camera lens " is replaced with " annex ", and handle represents that " a121 "～" a124 " of flow process replaces with " b121 "～" b124 ", omits its explanation.
Figure 23 is the figure that the data stream of 62 of FLASH ROM 61 in the camera body 20 under the situation that the camera lens in using in the 8th embodiment of the present invention is not logined and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
The same with Figure 22, in FLASH ROM 61, a plurality of (is 3 at this) camera lens 1 logon data 242, camera lens 2 logon data 243 and camera lens 3 logon data 244 are retrieved.Camera lens recognition data 241 and camera lens logon data 242,243,244 are compared, judge whether the exchange camera lens of current use is listed camera lens (a141).
At comparative result is not have under the situation of consistent logon data, uses time on date 245, camera lens 2 to use times on date 246 and camera lens 3 to use the time on date (a142) that its use time on date of retrieval passes by most the times on date 247 from camera lens 1 stand-by block (BACKUPBLOCK) 70 in.And, have under a plurality of situations in the time on use date of the camera lens that uses the most in the past, minimum is rewritten the number of times zone compare.That is, to zone 1 write indegree 248, indegree 249 is write in zone 2 and zone 3 is write indegree 250 and retrieved (a143).
In this example, zone 3 is judged as and writes the indegree minimum.
Afterwards, (a145) duplicated as the camera lens logon data in lens data zone 251.Then, upgrading corresponding camera lens uses time on date and zone to write indegree (a146, a147).
In addition, in Figure 23,, communicate by letter identical with above-mentioned lens data about the data communication action of annex.Therefore, label " 241 "～" 251 " of the lens data relevant portion of Figure 23 are replaced with " 441 "～" 451 ", corresponding performance " camera lens " is replaced with " annex ", and handle represents that " a141 "～" a147 " of flow process replaces with " b141 "～" b147 ", omits its explanation.
And, in Figure 22 and Figure 23, also can replace with " access times " to " camera lens uses the time on date ".
(the 9th embodiment)
Below, the 9th embodiment of the present invention is described.
In above-mentioned the 8th embodiment, camera lens and attachment data login zone is had a plurality of, carry out login by login numbering order from small to large using under the situation that the time on date equates, and rewrite the example that the number of times numbering manages by the zone and be described.In this 9th embodiment, lens data login zone is had a plurality of, and the example that under the situation in camera lens and the shared login of annex zone camera lens is preferentially preserved describes.
Below, in Figure 24 and Figure 25, during to the replacing in the 9th embodiment of the present invention exchange camera lens or the exchange camera lens 10 in when cutting off the electricity supply describe with communicating by letter of camera body 20.
Figure 24 is used for process flow diagram that the camera lens communication operation when the 9th embodiment of the present invention is cut off the electricity supply is described, and Figure 25 is the figure that the data stream to 62 of the FLASH ROM 61 in the camera body 20 and SDRAM describes.In addition, the camera lens communication operation is mainly undertaken by the control of sequence controller 41.
When this program begins, at first in step S201,, judge whether the exchange camera lens 10 that is installed on the camera body 20 is camera lenses corresponding with login feature according to camera lens recognition data 201.Here, when being the camera lens corresponding, transfer to step S202 with login feature, if not, then transfer to aftermentioned step S210.
In step S202, in FLASH ROM 61, a plurality of (is 2 at this) camera lens 1 logon data 262, camera lens 2 logon data 263 and annex logon data 264 are retrieved (a161).Then, in step S203, above-mentioned camera lens recognition data 261 and camera lens logon data 262,263 and annex logon data 264 are compared, judge whether the exchange camera lens 10 of current use is listed camera lens.
Here, the exchange camera lens 10 in being judged to be use is under the situation of listed camera lens, owing to there is no need to login lens data, thereby transfer to aftermentioned step S210.On the other hand, when in above-mentioned steps S203, when the exchange camera lens of being installed is the camera lens do not logined (inconsistent or equipment is inconsistent), next in step S204, judge whether the login zone of FLASH ROM 61 has the free time.Here, under the free not busy situation in login zone, transfer to step S209, and do not having to transfer to step S205 under the idle situation.
In this step S205, judge whether annex login zone (a162) is arranged in FLASH ROM 61.Here, under the situation that annex login zone is arranged, delete the annex logon data 264 (a163) in this annex login zone.On the other hand, in above-mentioned steps S205, do not have under the situation in annex login zone, transfer to step S207, the minimum data of its access times of retrieval from camera lens logon data 262,263 and annex logon data 264 (, yet having logined lens data) at this although do not illustrate.When having carried out the retrieval of these camera lens access times, in following step S208, camera lens logon data or annex logon data that deletion is corresponding.
When in above-mentioned steps S206 or S208, having deleted annex logon data or camera lens logon data, transfer to step S209, the data of the exchange camera lens 10 of current use (lens data zone 265) are signed in in the respective regions in the FLASH ROM 61 that has deleted attachment data or lens data among above-mentioned steps S206 or the S208 (a164).Then, in step S210, carry out the end process of camera lens.Then, this EOP (end of program).
Like this, according to the 9th embodiment, the camera lens in FLASH ROM 61 is logined under the situation that regional inner lens logon data takes, and deletion annex logon data is preferentially preserved the camera lens logon data.
In addition, in above-mentioned the 1st to the 9th embodiment, being described camera lens logon data and annex logon data are kept in the FLASH ROM 61, yet being not limited thereto, can be nonvolatile memory.
And,,, for example be equivalent to remote conversion camera lens (teleconversion lens) etc. as long as be installed between exchange camera lens 10 and the camera body 20 for annex.
Although above the preferred embodiments of the present invention are illustrated and illustrate, yet it should be understood that certainly and can easily carry out various distortion and change on form and the details without departing from the spirit of the invention.Therefore, this means, the invention is not restricted to illustrated and illustrated exact form, but constitute whole distortion of containing to fall within the scope of the appended claims.
Claims (9)
1. camera, this camera can freely mount and dismount multiple phtographic lens or annex, and this camera comprises: storage part, and it has a plurality of zones of the intrinsic information of the above-mentioned phtographic lens that can login one or more or annex, it is characterized in that this camera also comprises:
Detection unit on the opportunity of its regulation when comprising the installation of above-mentioned phtographic lens or annex, judges whether the intrinsic information of this phtographic lens or annex has been logged in above-mentioned storage part;
Login portion, it is not under the intrinsic information that is judged to be the phtographic lens installed or annex by above-mentioned detection unit is logged situation in above-mentioned storage part, obtain the intrinsic information of this phtographic lens or annex from above-mentioned phtographic lens or annex, sign in in the above-mentioned storage part, under the intrinsic information that is judged to be the phtographic lens installed or annex by above-mentioned detection unit had been logined situation in above-mentioned storage part, above-mentioned login portion did not obtain whole intrinsic information of above-mentioned phtographic lens or annex from above-mentioned phtographic lens or annex; And
Control part, it controls cameras work according to the intrinsic information of logining in the above-mentioned storage part,
Wherein, above-mentioned login portion does not have under the situation of clear area any one party in a plurality of zones of above-mentioned storage part to be rewritten and logined in above-mentioned storage part.
2. camera according to claim 1, wherein, the intrinsic information of above-mentioned phtographic lens comprises the recognition data of above-mentioned phtographic lens, this recognition data is the MIN lens data that pre-prepd exchange camera lens is judged usefulness, above-mentioned detection unit is obtained above-mentioned recognition data on the opportunity of afore mentioned rules from above-mentioned phtographic lens, the recognition data of having logined in this recognition data and the above-mentioned storage part is compared, thereby carry out above-mentioned judgement.
3. camera according to claim 1, wherein, the opportunity of afore mentioned rules is when comprising the starting of above-mentioned camera.
4. camera according to claim 1, wherein, the zone of above-mentioned rewriting is to decide according to the access times of the intrinsic information of login in this zone or the log date of this intrinsic information.
5. camera according to claim 1, wherein, above-mentioned storage part has nonvolatile memory and compares the volatile memory that can work more at high speed with above-mentioned nonvolatile memory,
Part or all of the information of above-mentioned control part handle login in above-mentioned nonvolatile memory uses the information that is stored in the above-mentioned volatile memory to control cameras work in copying in the above-mentioned volatile memory afterwards.
6. camera according to claim 5, wherein, above-mentioned control part signs in to the above-mentioned intrinsic information of obtaining in the above-mentioned nonvolatile memory before cameras work stops.
7. the control method of a camera, this camera can freely mount and dismount multiple phtographic lens or annex, and this control method comprises:
On the opportunity of the regulation when comprising the installation of above-mentioned phtographic lens or annex, whether the intrinsic information of judging this phtographic lens or annex has been logined in the storer in a plurality of zones of intrinsic information of above-mentioned phtographic lens that having in camera can login one or more or annex;
Under the intrinsic information that is judged to be above-mentioned phtographic lens or annex is not logged situation in above-mentioned storer, obtain the intrinsic information of this phtographic lens or annex from above-mentioned phtographic lens or annex, under the intrinsic information that is judged to be above-mentioned phtographic lens or annex has been logined situation in above-mentioned storer, do not obtain whole intrinsic information of this phtographic lens or annex from above-mentioned phtographic lens or annex; And
Obtained intrinsic information is signed in in the above-mentioned storer,
Wherein, in above-mentioned storer, do not have under the situation of clear area, any one party in a plurality of zones of above-mentioned storer is rewritten and logined.
8. the control method of camera according to claim 7, wherein,
Above-mentioned storer has nonvolatile memory and compares the volatile memory that can work more at high speed with above-mentioned nonvolatile memory;
The intrinsic information of the phtographic lens of login in above-mentioned nonvolatile memory is copied in the above-mentioned volatile memory and uses.
9. the control method of camera according to claim 7, this control method also comprises:
With camera lens swap operation interlock, obtain its camera lens recognition data from the phtographic lens of being installed, this camera lens recognition data is the MIN lens data that pre-prepd exchange camera lens is judged usefulness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101431927A CN101174075B (en) | 2006-11-02 | 2006-11-02 | Camera capable of freely loading and unloading multiple photographic lens or fittings and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101431927A CN101174075B (en) | 2006-11-02 | 2006-11-02 | Camera capable of freely loading and unloading multiple photographic lens or fittings and control method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101174075A CN101174075A (en) | 2008-05-07 |
| CN101174075B true CN101174075B (en) | 2011-02-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008092001A (en) * | 2006-09-29 | 2008-04-17 | Olympus Corp | Camera, lens unit, camera body, and photographic image processing method |
| CN108139652B (en) * | 2015-10-20 | 2020-08-11 | 富士胶片株式会社 | Interchangeable lens, camera system, communication method, and program |
| CN108076273A (en) | 2017-12-26 | 2018-05-25 | 浙江大华技术股份有限公司 | A kind of image capture device, the method and device for identifying camera lens |
| JP7057139B2 (en) * | 2018-01-16 | 2022-04-19 | キヤノン株式会社 | Image pickup device, control method of image pickup device, program and recording medium |
| JP7205085B2 (en) * | 2018-06-21 | 2023-01-17 | 株式会社ニコン | Interchangeable lens and judgment method |
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2006
- 2006-11-02 CN CN2006101431927A patent/CN101174075B/en not_active Expired - Fee Related
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| Title |
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| JP特开2005-173314A 2005.06.30 |
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