TW400457B - Electronic camera and exposure mechonism and method thereof - Google Patents

Abstract

This electronic camera includes an image sensor unit, a lens unit, an image storage unit, and a controller unit. The image sensor unit receives photo image signal to generate electronic image data. The lens unit generates image in image sensor unit. The image storage unit stores electronic image data. The controller unit controls the output/input of the image data in each unit or implements further image processes. Under the active random control of controller unit, the image data caught by the image sensor unit does not need to be stored in another layer of the temporary memory in advance. It can be operated directly or stored into image storage unit directly and queued for being processed by external devices in image storage unit. At the same time, the electronic image data is generated by the image sensor unit. The controller unit can read the electronic image data synchronously and selectively to determined the amount of light sensed. Electronic image data generation ends as the the amount of light sensed reaches a predetermined condition and the exposure is completed.

Description

V. Description of the invention (1) [Background of the invention] [Scope of the invention] The present invention discloses an electronic camera and an exposure method thereof, in particular, it relates to a method that can provide multiple metering mode selections, and uses a single exposure and a single-stage memory as the memory. Its final image stores memory, which is used to achieve fast photography and low-cost electronic cameras. [Related know-how] In recent years, due to the advancement of semiconductor technology and the popularization of computers, digital cameras have been born. They do not require negatives, do not need to wait for printing, and can edit and modify photos directly on the computer. With the advantages of wide application in conjunction with the Internet, digital cameras are gradually replacing traditional cameras. The following is a brief introduction to the structure and method of the conventional digital camera. FIG. 1 is a block diagram of a conventional digital camera, which includes a lens unit 1 capable of imaging a light image signal of an object to be photographed on the photosensitive surface of the image sensing unit 2 through the lens unit 1; an image sensing Unit 2, which is controlled by the clock generation unit 6 described later, can convert the light image signal imaged by the lens unit 1 into digital image data and send it out at a certain rate. 'This rate is generated by the clock generation unit Controlled by 6 and taking the NTSC system as an example, it is 30 diurnal planes per second. If the resolution of the diurnal plane is higher, the clock rate must be relatively increased. A control unit 7 has a synchronization circuit, which can The image signal sent by the aforementioned image sensing unit 2 is sent at another rate (the rate of the camera itself) after synchronization processing. This control unit 7 is also responsible for controlling the actions of the units in the camera and the coordination between the units. Work; a first storage unit 3 (also known as a temporary storage unit), which must be equipped with high speed

C: \ Program Files \ Patent \ 56253.ptd Page 5 V. Description of the Invention (2) The reading and writing ability of (2) can only receive the image signal sent by the image sensing unit 2 in real time, so usually the volatile semiconductor storage elements, such as It is composed of DRAM or SRAM, which can temporarily store the digital image data output by the control unit 7; a signal processing unit 4, which is usually composed of DSP (digital processor) or RISC (reduced instruction set computer chip) and other high-speed The processor is configured to further process the digital image data stored in the first storage unit 3, such as color restoration, color correction, or image compression; a second storage unit 5 (also referred to as a permanent storage unit), Usually composed of non-volatile storage elements, such as EEPROM or Flash RAM, the data processed by the signal processing unit 4 can be further stored. Since such non-volatile storage elements can be used even when there is no power supply Save data, so it is often used as the final storage memory of the camera; a clock generation unit 6 is responsible for generating and TV image signals (NTSC or PA L) Synchronized clock signal. It is supplied to the above-mentioned image sensing unit 2 so that the output image signal can be synchronized with the input signal required by the TV (for NTSC TV signals, 30 are generated every second). Complete day and time); a shutter button 8 controlled by the user is responsible for triggering the control unit 7 to take pictures; a power supply unit 9 is responsible for the power supply of all units. FIG. 2 is an operation flow and timing diagram of the conventional digital camera shown in FIG. 1 to explain the operation flow and timing relationship of the conventional digital camera shown in FIG. 1. FIG. First, when the user presses the shutter button 8 at time T 0, the control unit 7 instructs the clock generation unit 6 to perform the first exposure with the image sensing unit 2 at a preset exposure time, and the current exposure The obtained image data is stored in the first storage unit 3 (this is the first storage). This operation takes a total of T 1

C: \ Prograni Files \ Patent \ 56253. Ptd page 6 5. Description of the invention (3), under normal circumstances, about 1/30 seconds. Then the signal processing unit 4 calculates an appropriate exposure time (usually a look-up table) based on the brightness of the image data stored in the first storage unit 3. This operation takes a total of T 2 time, and this time will be based on the camera's The processing speed of the signal processor and the complexity of the program that determines the exposure time vary, and are generally about 1/10 seconds. Then the control unit 7 instructs the clock generation unit 6 to perform the second exposure by the image sensing unit 2 with the previously calculated appropriate exposure time, and stores the obtained image data in the first storage unit 3 (this is the first Secondary storage), this action takes a total of T 3 time, under normal circumstances is about 1/30 seconds. Then the signal processing unit 4. further processes according to the image data stored in the first storage unit 3, such as color reduction, white balance or compression. It also stores back to the first storage unit 3 (this is the first Three times of storage), this action takes a total of T 4 time, this time will depend on the signal processor used in the camera. Computing speed, and the number of image processing programs, and there are different lengths, under normal circumstances takes about 1 second . Finally, the control unit 7 moves the above-mentioned data stored in the first storage unit 3 to the second storage unit 5 (this is the fourth storage), and completes a complete photography action. This action takes a total of T 5 time. This time T 5 is different depending on the write rate of the second storage unit and the amount of data written. In general, it takes about 1 to 3 seconds. FIG. 3 is a block diagram showing the structure of another conventional digital camera. Its basic structure is roughly the same as that shown in Figure 1. The only difference is that the signal processing unit 4 is replaced by an external integration circuit 2a to perform exposure measurement on the image data provided by the image sensing unit 2. The integration circuit 2 The average image brightness obtained by a is read by the control unit 7, and then calculated based on a look-up table or calculation.

C: \ Program Files \ Patent \ 56253.ptd Page 7 V. Description of the invention (4) Get the appropriate exposure time. This exposure method using external integration circuit 2 a for exposure measurement can be performed only once. The exposure operation can be completed, but since the control unit 7 only obtains an average intensity signal representing the overall image light source, it can only measure the average exposure. FIG. 4 is a block diagram showing a configuration of a conventional digital camera. Its basic structure is roughly the same as that shown in Figure 3. The only difference is that instead of using the external integration circuit 2a, it uses a photosensitive circuit 2b, such as a photosensitive circuit composed of light sensor elements such as photoresistors and photoelectric crystals. To perform image light signal sensing. Among them, since these components can also detect signals of different magnitudes to the strength of the light source to be photographed, they are read in by the control unit 7 and then the appropriate exposure time is obtained according to a look-up table or calculation. Although the exposure method for measuring the exposure amount can also complete the exposure action with only one exposure, since the control unit 7 also only obtains an average intensity signal representing the overall image light source, it can only make an average exposure. the way. In addition, for example, U.S. Patent No. 4,8 9 7,7 3 2 issued on June 30, 1990, U.S. Patent No. 5,0 4 0, issued on August 3, 1991, U.S. Patent No. 0 2 and US Patent No. 5,0 4 3, 8 16 published on August 7, 1991, etc., also disclose a variety of digital cameras, however the cameras disclosed in these patents and the aforementioned various types of traditional digital The camera can still be summarized with the following disadvantages: 1) Since the image sensing unit 2 of the traditional digital camera sends out image data at the rate of the television image signal, and its control unit 7 is based on various factors, it is mostly used when it is independent. The clock is different from the clock used by the clock generation unit 6. It is for the purpose of using two clocks with different clocks (asynchronous).

C: \ Program Files \ Patent \ 56253.ptd Page 8 V. Description of the invention (5) Between the channels, the image data sent by the image sensing unit 2 can be correctly transferred to the first storage unit 3, traditional digital The camera must be equipped with a more complex synchronization circuit design to achieve this. 2) Due to the use of a large number of parts and excessive power consumption, the battery power consumption is extremely fast (usually in the case of continuous use, which can only last for tens of minutes to several hours). Therefore, in order to effectively save image data, traditional Digital cameras must use non-volatile storage elements as their long-term storage medium (that is, the second storage unit 5) in order to achieve the purpose of saving power by cutting off the power; and, generally, the data storage rate of non-volatile storage elements (Write rate) is very slow, often much lower than the image output rate of the image sensing unit 2. Therefore, the traditional digital camera must add another volatile storage element (ie, the first storage unit 3). The access rate is extremely fast, which is enough to receive the image data sent by the image sensing unit 2 in real time. 3) If a traditional digital camera wants to perform metering in a way other than average metering, it must first store the image data in the first storage unit 3, and then the image processing unit 4 reads in the required image data according to different metering modes To determine the exposure amount; if you want to perform only one exposure, you can only have one metering method, that is, average metering. This is why traditional digital cameras cannot have both single exposure and multiple metering modes. 4) Traditional digital cameras need to take T Bu Ding 5 time to take a still photo, that is, it is stored in non-volatile memory without any processing (that is, there is no T 4 time), generally still more than 2 seconds or more . This kind of photographing speed will inevitably be unable to continuously take pictures of fast-moving objects.

C: \ Program Files \ Patent \ 56253.ptd Page 9 V. Description of the invention (6) [Summary of the invention] The object of the present invention is to provide a faster shooting speed than a traditional digital camera with a small number of parts. , Lower power consumption, lower manufacturing costs and other functions to meet the basic needs of electronic cameras for electronic cameras. Another object of the present invention is to provide an image sensing unit that can quickly perform photosensitivity of the captured image, and can use various different metering methods to determine its exposure time, and can complete the exposure action at one time, thereby providing a fast and diverse Exposure method of the metering mode. In order to achieve the above object, the electronic camera disclosed in the present invention includes: an image sensing unit for receiving a light image signal, and converting the received light image signal into an electronic image data representing the captured image; a lens unit, For imaging the object to be imaged on the image sensing unit; an image storage unit for storing the electronic image data; and a control unit for controlling the input / output or further image of the image data of each unit And the electronic image data converted by the image sensing unit can be directly calculated or stored directly in the image storage unit under the random active control of the control unit, and wait in the image storage unit Disposal of external equipment. With the above structure, a large number of image data processing and storage components can be omitted, and the manufacturing cost of the electronic camera can be greatly reduced. In a further embodiment, after detecting that the exposure time is satisfied, the control unit actively sends a control signal to the image sensing unit, so that it sends the image data to the control unit for calculation or to the image storage unit.

C: \ Program Fi1es \ Patent \ 56253.ptd Page 10 V. Description of the invention (7) for storage, and the image sensing unit includes an image sensitive area for converting a light image signal into electronic image data, and a The image temporary storage area of the electronic image data can be captured and stored synchronously, and the electronic image data stored in the image temporary storage area can be selectively read out directly or converted into the digital image data and then read out. According to the implementation example described above, it is not necessary to prepare multiple clock generators as in the conventional technology, and the control unit does not need to cooperate with the image output rate of the image sensing unit as in the conventional technology to receive the image passively first. The data is stored in the temporary storage unit t at another rate, and is further transferred to the permanent storage unit. After the storage unit, the next image data is received in conjunction with the output rate of the image sensing unit; therefore, the structure of the camera is comparable. Streamlined, greatly reducing the cost of manufacturing the camera and increasing the speed of image capture. In order to achieve another objective of the present invention, the exposure method disclosed in the present invention is an exposure method that uses an image sensing unit to receive a light image signal and converts it into electronic image data, and then determines the appropriate exposure time by the control unit. , Which is characterized in that: while the optical image signal is converted into electronic image data by the image sensing unit, the control unit synchronously and selectively reads the electronic image data obtained by the image sensing unit to perform the photosensitivity measurement. Judging, and when the light quantity reaches a predetermined condition, the capturing of the electronic image data is ended, and the exposure of the electronic camera to the optical image signal is completed. With the above method, the structure of the image sensing unit and the control unit itself can be directly used to perform the exposure control of various metering modes while photoelectrically converting the light image signal without the need for a separate photosensitive device. Make the cost of the camera further lower, and

C: \ Program Files \ Patent \ 56253. Ptd page 11 V. Description of the invention (8) The speed of the exposure is completed according to various exposure modes. The above and other objects, features, and effects of the present invention will be more apparent through the following description of preferred embodiments with reference to the drawings. [Brief Description of the Drawings] FIG. 1 is a block diagram showing the structure of a conventional digital camera. FIG. 2 is a flowchart and timing chart showing the operation of the conventional digital camera shown in FIG. 1. FIG. Fig. 3 is a block diagram showing a conventional configuration of another digital camera, which uses an external integration circuit to measure the exposure amount. FIG. 4 is a block diagram showing the structure of a conventional digital camera, which uses an external photosensitive circuit to measure the exposure amount. Fig. 5 is a block diagram showing the structure of an electronic camera according to a preferred embodiment of the present invention. FIG. 6 is a flowchart and timing chart showing the operation of the electronic camera shown in FIG. 5 according to the present invention. To construct this, the Yuantu list measures the image of the image 1 ^ —The photocopies published by Ji Xiangzi and the Electric Exposure Agency are shown in the application chart. Measurement. Under the dynamic light exposure shown in the pre-image of the sense image—Machine photo element I-_ Ming single said the element storage button of the single storage according to the number of the head image door sign mirror shadow fast '· a) Guang Mυη_ · V [I] -—13 8 The picture element is only measured, the unit should be sensed, and the source is for video control. Ο ο ο 2 7 9

Page 12: C: \ Program Files \ Patent \ 56253.ptd V. Description of the Invention (9) First, as shown in FIG. 3, an electronic camera according to a preferred embodiment of the present invention includes: a lens unit 10 , The light image signal of the object to be photographed can be imaged on the photosensitive surface of the image sensing unit 20 through the lens unit 10; an image sensing unit 20 is used to image the light imaged by the lens unit 10 The image signal is converted into electronic analog image data or digital image data and output; an image storage unit 30 can be any type of storage device that can be repeatedly read and written, such as semiconductor storage components DRAM, SRAM, FERAM, FLASH RAM, E EPROM, etc. Digital or analog semiconductor storage elements, or magnetic storage elements, such as soft and hard disk drives, or optical or magneto-optical, magnetoelectric storage elements, such as optical disk drives, M 0, etc., are responsible for storing the above-mentioned image sensing Electronic image data output by unit 20 or further processed by control unit 70; a control unit 70 is responsible for controlling the actions of all the units mentioned above as well as the order and coordination between units, or The image processing of the work; a shutter button 80, the control unit 70 responsible for triggering action for the photographing; and a power supply unit 90, the unit is responsible for all the power supply. Next, the operation of an electronic camera constructed in accordance with FIG. 5 will be further described with reference to the flowchart shown in FIG. As shown in block 201 of FIG. 6, when the power is turned on for the use of the electronic camera, the camera enters the auto-setup procedure, which will reset all the components and prepare them. In step 202, Waiting for photography. When the user presses the shutter button 80 at T0, the control unit 70 will first clear the image left by the image sensing unit 20 as shown in step 203. This action time T1 0 is extremely short. , About 1/1 0 0 0 0 0 seconds is enough; then go to step 2 0 4 to perform a new exposure action, at this time the control unit 7 0-the side instructs the image sensing unit 2 0 to perform the exposure

C: \ Program Files \ Patent \ 56253.ptd Page 13 V. Description of the invention α〇) Light action, on the other hand, selectively read out the image sensing unit 2 at the same time according to the selected metering mode. The electronic image data accumulated by photoelectric conversion is used to calculate the photosensitivity of the read electronic image data, and then compared with the built-in standard exposure setting conditions of the selected metering mode in step 205 to determine the exposure If the amount is sufficient, if it is not enough, the exposure action of step 204 is maintained, and when the appropriate cumulative exposure amount is reached, the control unit 70 closes the exposure circuit of the image sensing unit 20 and spends a total of T 2 in this action Time 0, this time T 2 0 will be shortened or increased according to the light intensity of the photographing environment. Under normal bright light environment, it will not exceed 0.01 seconds. After that, the process proceeds to step 206. The control unit 70 moves the aforementioned image data which has been properly exposed and converted into an electronic signal mode, from the image sensing unit 20 directly to the image storage unit 30, and then returns to Step 202, waiting for the user to press the shutter button 80 again for the next time. The action of taking a picture takes a total time of T 30, which generally takes about 0.1 seconds; of which, If the control unit 70 completes the electronic image data of the image sensing unit 20 with proper exposure, further performs image processing such as image compression, and then stores the image processing unit 3 Q in accordance with the complexity of its image processing. And the amount of data, with varying degrees of growth. In summary, the time taken for taking a still photo, that is, the time between T 1 0 and T 3 0, usually does not exceed 0.2 seconds. In addition, in the above configuration, the image sensing unit 20 is preferably configured by an image sensor shown in the Republic of China Patent Application No. 8 7 1 1 3 8 1 7 applied by the applicant of the present application. It is provided here as a reference for the content of this case, but for the sake of clarity, it is briefly described in conjunction with FIG. 7

C: \ Program Files \ Patent \ 56253.ptd Page 14 5. Description of Invention (11). As shown in FIG. 7, the image sensing unit 20 is basically a kind for the control unit 70 to passively and synchronously read its position without the need to cooperate with the output clock of the conventional image sensing unit as in the conventional technology. Image sensor for outputting electronic image data. The image sensor 20 includes an analog circuit part 22, and the analog circuit part 2 2 is distinguished from an image sensitive area 2 2 a and an image temporary storage area 2 2 b, where the image sensitive area 2 2 a The relative electronic signal is induced due to the intensity of the irradiated light and the length of time. The channel between the two is controlled by the sampling (S amp 1 e) signal. When the sampling (Sa mp 1 e) signal is set, the image is photosensitive The electronic signals in area 2 2 a will be copied (captured) synchronously into the image temporary storage area 22 b and temporarily stored. The image sensing unit 20 shown in FIG. 7 can accept a simple microcontroller, such as PIC, 8051, etc .; or a more complex signal processor such as DSP, RISC, etc., to control the image sensing area. , Image temporary storage area and other electronics. The function of clearing and exposing image data, and reading any size image in the image temporary storage area 2 2 b at any time, etc., and can directly or through its built-in analog to digital converter 2 4 Output analog or digital image data to be read and stored. The lower part of the sense-movement—the flow of the process is shown as one of the 6 and 8 pictures and the composition is combined with the picture sequencer at ο 2 yuan single test Shikou " The essentials of the daily movements 丨 the main element A single Φ Γ I control chart fits perfectly. 20 Ming Yuan said that the single step feels like stepping into the film, and it is stored as a display. Press the button under the light to expose 9J 0 / press the button to use it) J 1 must be a sense of sigma like S shadow efg In addition, ar can be ch number e-letter r except pc, clear gu number this letter τ except} clear al set S set sl first e ie 31 pom 7a yuan (s single number system control sample, take 80 and

C: \ Program Files \ Patent \ 56253. Ptd Page 15 V. Description of the invention (12) The image remaining in the photosensitive area 2 2 a of unit 2 0 due to previous photography is cleared. Because the sampling signal is also set at this time, The residual image of the storage area 2 2 b will also be cleared. This action takes a total of T 1 0, and then the control unit 70 cancels the setting of the clear signal, but still maintains the setting of the sampling signal. Its function is equivalent to turning on the traditional The shutter of the camera, within the time that this signal is maintained (this period of time is also referred to as the light-sensitive time), the image-sensitive area of the image sensor will have a light-sensitive effect on the light image signal of the image. On the light-sensing plane of 20, corresponding electronic signals of different sizes are generated according to the strength of the light signal of the captured image, and are continuously accumulated; in addition, while the light is being sensed, the control unit 70 and the image sensing unit 2 0 in the temporary storage area of the image * according to the preset metering mode> electronic image data in the image area determined by average metering, center metering, weighted metering, etc., by analogy After conversion, read out and find the average value, or directly read the electronic analog signal of the above image area, and get the average value through a conventional integration circuit 2a as shown in Figure 3, and finally get the obtained electrons. The image data is compared with the preset conditions corresponding to each exposure mode. Until the conditions are met, the sampling signal is stopped from being set. This operation takes a total of T 2 0 time. Next, the control unit 70 moves the image data of the appropriate brightness obtained by the image sensing unit 20 to the image storage unit 30, or stores the image data in the image storage unit 30 after the image processing is performed by the control unit 70. The action takes a total of T 30 time, so that only one exposure is needed to complete the exposure action of the photo. Therefore, the compact electronic camera can start at the first time T 0 when the user presses the shutter button, at the time of clearing the residual image T 1 0 plus the time of “one exposure” T 2 0 and the time of completing the image storage In T 3 0, the total

C: \ Program Files \ Patent \ 56253.ptd Page 16 V. Description of the invention (13) It only takes 2 seconds to complete the entire photographing action. In this way, there will be no traditional digital camera because it must have pre-metering Disadvantages of actions (such as the aforementioned two exposures and calculating the appropriate exposure time) and at least three storage / read actions result in each photo taking longer than 2 seconds. In summary, since the random-reading image sensing unit used by the compact electronic camera does not need to use independent clock signals, all its functions and actions can be simple microcontrollers, such as 80 The control unit composed of 5 and so on is directly and actively controlled, and can be completely synchronized with it. Therefore, the simplified electronic camera does not need to be like a traditional camera. It must be subject to the television image signal to send 30 images per second. It must be exposed 30 times on the day, so that each exposure time cannot exceed the limit of 1/30 seconds, and the most appropriate exposure time can be determined according to the actual amount of ambient light. The interface characteristics are equivalent to general volatile memory, such as DRAM, so it can be directly controlled by a very simple microcontroller and fully synchronized with it. Therefore, the compact electronic camera does not need to be like a traditional digital camera in order to be correct. It is necessary to provide more complicated synchronization circuits to read image data. As shown in FIG. 5 ', the electronic camera constitutes a block diagram. Since the electronic camera of the simplified structure disclosed by the present invention uses only a few parts, it can maintain normal operation with extremely low power consumption. If the volatile memory element DRA is directly used, As an image storage device, under normal room temperature environment, with normal charging and updating methods, it can still save image data for more than 30 days without replacing the battery. Because of this long-term function of saving data and its Fast data access rate not only saves the cost of traditional digital cameras

C: \ Program Fi1es \ Patent \ 56253. Ptd Page 17 V. Description of the invention (14) The requirement of non-volatile memory element which is 3 ~ 4 times than the memory element, can accelerate the speed of storing image data (as explained above) Under normal circumstances, it takes ΤΙ 0 + T20 + T30 to take each photo, and the total time does not exceed 0.2 seconds), and the function of continuous shooting is easily achieved. However, although the above has described some preferred embodiments based on the technical ideas of the present invention, any changes and modifications obvious to those skilled in the art should be within the scope of the attached patents as follows.

C: \ Program Files \ Patent \ 56253.ptd page 18

Claims (1)

VI. &Quot; ίϊϊίίϊί Τ March profit-seeking range ---- I. Deposit certificate: ^ The electronic camera described in item 1 of the profit range, where the image stores 7-^ ^ storage with repeated reading and writing functions. The exposure mechanism of the .if sub-camera includes: a light image signal receiver for receiving light image signals and converting the received batches into electronic image data for exposure; 4 labor market! J 7Γ) m, ·, replaced by electronic dendrites, 1 in the image sensing unit to sense the light image signal by converting the material: quantity = at the same time, synchronously and selectively read the electronic image data of the electronic camera ii Second, and: when the amount of light reaches a predetermined condition, the exposure of the light image signal is completed. The exposure mechanism described in item 7 of the measurement unit I, wherein the image senses the photosensitive area T to convert the light image signal into electronic image data. The image temporary storage area = t. The electronic image can be captured and stored simultaneously. Acoustic and electronic image data of image data 单元: unit; ΐ the image temporary storage area captures and stores the 'off, and in ί Ϊ: material and captures the sensitivity determination of the electronic image data: up to a predetermined When conditions', end the electronic image data creation. The exposure of the electronic camera to the light image signal is changed. ^ The reading of the electronic image data of the E-shirt image sensing unit = two different, and the predetermined condition is also determined by the light measuring mode. 10 · An exposure method for an electronic camera It receives the light image signal and converts it into the exposure mechanism described in item 7 of the patent scope of the Yuan pair Xiyuan, where the control sheet reads and selects the electronic image data of the 1-shirt image sensing unit according to Measure the flower. 'And the predetermined condition also depends on the test mode. 10. An exposure method of an electronic camera, which uses the image data of a single electronic image to detect 6. Scope of Patent Application 1. An electronic camera comprising: an image storage unit for storing electronic image data; an image sensing unit for receiving a light image signal and converting the received light image signal into an electronic Image data; a lens unit for imaging an object to be imaged on the image sensing unit; and a control unit for actively controlling the output of electronic image data captured by the image sensing unit at any time, For the image storage unit to store. 2. The electronic camera according to item 1 of the scope of patent application, wherein the electronic image data output by the image sensing unit is directly stored in the image storage unit. 3. The electronic camera according to item 1 of the scope of patent application, wherein the electronic image data output by the image sensing unit is processed in the control unit before being stored in the image storage unit. 4. The electronic camera according to item 1 of the scope of patent application, wherein the image sensing unit includes an image sensitive area for converting a light image signal into electronic image data, and a synchronous capture and storage of the electronic image The image temporary storage area of the data, and the electronic image data stored in the image temporary storage area are selectively sent directly or converted into the digital image data and then sent. 5. The electronic camera according to item 4 of the scope of patent application, wherein the control unit can simultaneously and selectively read the electronic image data while the image sensing unit converts the optical image signal into the electronic image data. The determination of the light quantity, and when the light quantity reaches a predetermined condition, the capturing of the electronic image data is ended, and the exposure of the electronic camera to the light image signal is completed. C: \ Program Files \ Patent \ 56253.ptd Page 19 O: \ 56 \ 56253.ptd Page 21 VI. &Quot; ίϊϊίίϊί Τ March profit-seeking range ---- 1. Deposit certificate: ^ The electronic camera described in item 1 of the profit range, where the image is stored 7-^ ^ Storage with repeated read and write functions. The exposure mechanism of the .if sub-camera includes: a light image signal receiver for receiving light image signals and converting the received batches into electronic image data for exposure; 4 labor market! J 7Γ) m, ·, replaced by electronic dendrites, 1 in the image sensing unit to sense the light image signal by converting the material: quantity = at the same time, synchronously and selectively read the electronic image data of the electronic camera ii Second, and: when the amount of light reaches a predetermined condition, the exposure of the light image signal is completed. The exposure mechanism described in item 7 of the measurement unit I, wherein the image senses the photosensitive area T to convert the light image signal into electronic image data. The image temporary storage area = t. The electronic image can be captured and stored simultaneously. Acoustic and electronic image data of image data 单元: unit; ΐ the image temporary storage area captures and stores the 'off, and in ί Ϊ: material and captures the sensitivity determination of the electronic image data: up to a predetermined When conditions', end the electronic image data creation. The exposure of the electronic camera to the light image signal is changed. ^ The reading of the electronic image data of the E-shirt image sensing unit = two different, and the predetermined condition is also determined by the light measuring mode. 10 · An exposure method for an electronic camera It receives the light image signal and converts it into the exposure mechanism described in item 7 of the patent scope of the Yuan pair Xiyuan, where the control sheet reads and selects the electronic image data of the 1-shirt image sensing unit according to Measure the flower. 'And the predetermined condition also depends on the test mode. 10. An exposure method of an electronic camera, which uses the image data of a single electronic image to detect O: \ 56 \ 56253.ptd Page 21