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`(19) Japan Patent Office (JP)
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`(12) JAPANESE UNEXAMINED PATENT
`APPLICATION PUBLICATION (A)
`
`(I 1) Patent Application
`Disclosure No.
`Heisei 09-37129
`
`ldent. Code Inter. Ref. No.
`
`(51) Int. Cl.6
`H 04 N 5/225
`5/765
`
`5/781
`
`(43) Publication Date February 7, I997 (Heisei 9)
`F1
`Location of Tech. Indication
`1-1 04 N 5/225
`Z
`5/781
`510C
`
`5/91
`
`L
`
`Total No. of Claims: 1- 0L (Total 9 ages)
`(71) Applicant
`000006633
`KYOCERA Corporation
`Higashinokitainoue-cho 5-22,
`Yamashina—ku,
`
`(72) Inventor
`
`Kyoto—city, Kyoto
`Hiroyuki Nagai
`c/o KYOCERA Corporation
`Tokyo Yoga Office
`Tamagawadai 2-14-9,
`Setagaya—ku,
`Tokyo
`
`
`
`
`[Resolution Means] A microcomputer 10
`commands a memory controller 22 via a memory
`controller 5 or the like based on an operation of a
` 10
`user from a touch panel 12A and performs
`—managemenl—ofattrrhnte—irrforrrratron (such as
`shooting conditions) of image data. The user
`performs operation of the entire electronic still
`camera device by the touch panel 12A. A
`display circuit 13 displays the image data and the
`attribute information (such as the shooting
`conditions) of the image data on a liquid crystal
`monitor 14 from the memory controller 5 by an
`instruction of the microcomputer 10.
`
`12A
`
`‘ 5
`
`
`
`
`Examination Re uest: Not Yet
`(21) Application No.
`IPA H7-184090
`
`
`
`(22) Date of Filing
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`July 20, 1995
`(Heisei 7)
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`(54) [Title of Invention] Electronic Still Camera
`
`(57) [Abstract]
`[Problem] To provide an electronic still camera
`device that uses space effectively by performing
`wireless communication of image information
`and integrating a display means and an operation
`means.
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`[Scope of Claims]
`What is claimed is:
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`1. An electronic still camera, comprising: an imaging means that converts a Subject image into a
`video signal by a solid~state imaging device; a storage means that stores the video signal in a
`storage medium as image information; a communication means that can wirelessly communicate
`the stored image information to a remote location as needed; and a display means and operation
`means where a display means that performs a display of a portion or an entirety of the image
`information or a display for operating the imaging means, the storage means, or the
`communication means and an operation means that can operate the imaging means, the storage
`means, or the communication means according to a display by the display means are integrated.
`[Detailed Description of Invention]
`[0001]
`[Technical Field of Invention] The present invention relates to an electronic still camera device
`where wireless communication of image information is possible.
`[0002]
`[Background Technology} In recent years, electronic still cameras that store a shot image on a
`semiconductor storage device or a magnetic disk instead of a silver halide film are being sold by
`various companies. These electronic stiil cameras often use a PC card that can connect directly to
`a personal computer or the like as an external storage medium. A memory card, a hard disk card,
`or the like is implemented as the PC card, but because each card is extremely expensive compared
`to the silver halide film and inferior in terms of durability, in a situation when, for example, using
`the electronic still camera to shoot a commemorative photo while on a vacation or the like, a
`plurality of these expensive PC cards must be carried constantly, which is extremely inconvenient.
`Therefore, in recent years, a technology is proposed that enables communicating the shot image to
`a large storage device in a remote location by equipping a mobile telephone function on these
`electronic still cameras (Japanese Unexamined Patent Application Publication No. Hei 6—133081
`and the like).
`[0003] A conventional electronic still camera equipped with the mobile telephone function will be
`described below by giving an example. FIG. 1 is an external view of a conventional example; (a)
`is a front view, and (b) is a back view.
`1 is a lens, 12B is an operation switch, 14 is a liquid crystal
`monitor, 15 is a microphone, 16 is a speaker, and 21 is an antenna.
`[0004] Furthermore, FIG. 2 is a principle block diagram of the conventional example. 1 is the lens,
`2 is an imaging device such as a CCD, 3 is an A/D converter that converts an output of the imaging
`device 2 such as the CCD into digital data, 4 is a signal processing circuit that creates an image
`signal flom an output of the AID converter 3 and outputs the image signal as image data, 5 is a
`mem01y contioiler that performs cont1ol ofimage data of an image memory 6 and controls
`HWmWeWmafimwmm mcirrory 7
`according to a command from a microcomputer 10, 6is an image memory that can. store image
`data of at least one still, 7 is an attribute memory that can store attribute information (such as
`shooting conditions) of image data stored in a frame memory 6, 8 is a compression and
`decompression circuit that performs compression and decompression of image data, 9 is a card
`interface that provides matching between a main body of the electronic still camera and an externai
`storage medium, 10 is a microcomputer that performs system management of the entire electronic
`still camera, 123 is an operation switch by which a user performs operation of the entire electronic
`still camera, 13 is a display circuit that displays the image data and the attribute information (such
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`as the shooting conditions) of the image data from the memory controller 5 on a liquid crystal
`monitor 14 according to a command from the microcomputer 10, 14 is a liquid crystal monitor that
`displays the image data and the attribute information (such as the shooting conditions) ofthe image
`data, 15 is a microphone, 16 is a speaker, 17 is a voice codec circuit that connects the microphone
`15 and the speaker 16 and performs encoding and decoding of voice data, 18 is a video codec
`circuit that performs encoding and decoding of the image data, 19 is a TDMA processing circuit
`that performs disassembly and assembly of a TDMA signal, 20 is a two-way wireless
`communication circuit that wirelessly communicates an information signal between itself and a
`communication destination, and 21 is an antenna. The main body of the conventional electronic
`still camera equipped with the mobile telephone function is configured by the above components 1
`to 21. 22 is a memory controller that performs control of image data of a common memory 23 and
`controls attribute information (such as shooting conditions) of image data of an attribute memory
`24 according to a command from the microcomputer 10 via the card interface 9, 23 is a common
`memory that can store image data of a plurality of stills, and 24 is an attribute memory that can
`store the attribute information (such as the shooting conditions) of the image data stored in the
`common memory 23. An external storage medium of the conventional electronic still camera
`equipped with the mobile telephone function is configured by the above components 22 to 24.
`[0005} An operation of the conventional electronic still camera equipped with the mobile
`telephone function configured as above will be described below.
`[0006} A subject imaged by the lens 1 is converted into an analog electrical signal by the imaging
`device 2 such as the CCD, and the AID converter 3 converts the analog electrical signal into a
`digital electrical signal. The signal processing circuit 4 creates the image signal by the digital
`electrical signal and outputs the image signal as the image data to the memory controller 5. The
`memory controller 5 performs miting/readinglerasing of the image data and the attribute
`information (such as the shooting conditions) of the image data with regard to the image memory 6
`and the attribute memory 7 according to a command from the microcomputer 10. The image
`mem01y 6 stores the image data via the memory controller 5, and the attribute memory 7 stores the
`attribute information (such as the shooting conditions) of the image data via the memory controller
`5. The compression and decompression circuit 8 compresses the image data from the memory
`controller 5, outputs the image data to the external storage medium via the card interface 9,
`decompresses the compressed image data input from the external storage medium via the card
`interface 9, and outputs the image data to the memory controller 5. The card interface 9 provides
`matching between the main body of the electronic still camera and the external storage medium.
`The microcomputer 10 commands each memory controller 22 via the memmy controller 5, the
`display circuit 13, the TDMA processing circuit 19, and the card interface 9 based on the operation
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`of the user from the operation switch 123 and performs management of the attribute information
`(such as the slmotmgemrditiomfflteimage-datafrflm-usefirmmnsacmmmd to the
`microcomputer 10 by the operation switch 123 and performs operation of the entire electronic still
`camera. The display circuit 13 displays the image data and the attribute information (such as the
`shooting conditions) of the image data on the liquid crystal monitor 14 from the memory controller
`5 according to a command from the microcomputer 10. The iiquid crystal monitor 14 displays the
`image data and the attribute information (such as the shooting conditions) of the image data. The
`microphone 15 inputs a voice from the user and outputs the voice as voice data to the voice codec
`circuit 17. The speaker 16 inputs the voice data from the voice codec circuit 17 and outputs the
`voice data to the user as a voice. The voice codec circuit 17 inputs the voice data from the
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`micrOphone 15 , performs encoding of the voice data, outputs the encoded voice data to the TDMA
`processing circuit 1.9, inputs the encoded voice data from the TDMA processing circuit 19,
`performs decoding of the voice data, and outputs the voice data to the speaker 16. The image
`codec circuit 18 inputs the image data and the attribution information (such as the shooting
`conditions) of the image data from the memory controller 5, performs encoding of the image data
`and the attribution information (such as the shooting conditions) of the image data, outputs the
`encoded image data and attribution information (such as the shooting conditions) of the image data
`to the TDMA processing circuit 19, inputs the encoded image data and attribution information
`(such as the shooting conditions) of the image data from the TDMA processing circuit 19,
`performs decoding of the image data and the attribution information (such as the shooting
`conditions) of the image data, and outputs the image data and the attribution information (such as
`the shooting conditions) of the image data to the memory controller 5. The TDMA processing
`circuit 19, based on a command from the microcomputer 10, inputs the encoded voice data and the
`encoded image data and attribution information (such as the shooting conditions) of the image data
`from the voice codec circuit 17 and the image codec circuit 18; performs assembly of the TDMA
`signal; outputs the encoded voice data and the encoded image data and attribution information
`(such as the shooting conditions) of the image data to the wireless communication circuit 20 as a
`TDMA voice signal and a TDMA image signal; inputs the TDMA voice signal and the TDMA
`image signal from the wireless communication circuit 20, performs disassembly of the TDMA
`signal, and outputs the encoded voice data and the encoded image data and attribution information
`(such as the shooting conditions) of the image data to the voice codec circuit 17 and the image
`codec circuit 18. The wireless communication circuit 20 performs input and output of the TDMA
`voice signal and the TDMA image signal between itself and the TDMA processing circuit 19 and
`performs two—way wireless communication of the information signal between itself and the
`communication destination by the antenna 21. The memory controller 22 performs
`writing/reading/erasing of the compressed image data and attribute information (such as the
`shooting conditions) of the image data with regard to the common memory 23 and the attribute
`memory 24 according to a command from the microcomputer 10 via the card interface 9. The
`common memory 23 stores the compressed image data via the memory controller 22, and the
`attribute memory 24 stores the attribute information (such as the shooting conditions) of the image
`data via the memory controiler 22.
`[0007] Furthermore, specific operations of a conventional example during shooting, playback,
`transmission, and reception will be described. When shooting an image, the subject imaged by the
`lens 1 is converted into the analog electrical signal by the imaging device 2 such as the CCD, and
`the A/D converter 3 converts the analog electrical signal into the digital electrical signal. The
`signal processing circuit 4 creates theImage signal by the digital electrical signal and outputs the
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`the memory controller 5 outputs theimage data input from the signal processing circuit 4 directly
`to the display circuit 13. The microcomputer 10 outputs the attribute information (such as