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`(19) JAPANESE PATENT OFFICE (JP)
`
`(12) PUBLICATION OF UNE'XAMINED PATENT APPLICATION (A)
`
`(11) Kokai (Unexamined) Patent Publication Number: 3-109891
`
`(43) Date of Disclosure: May 9, 1991
`
`(51) Int. Cl? Idcntif.
`H04 N 7/14
`H04B 1/40
`7/26
`
`H 04 M 1/00
`
`H 04 N 5/225
`
`Symbol
`
`V
`
`109 M
`N
`
`Z
`
`hum-Agency Number
`8725-5C
`7189-5K
`7608-5K
`
`7608_—5K
`8949-5K
`
`8942-5C
`
`Examination reqhested‘: not yet requested
`Number of Claims: 7' (total of 4 pages)
`
`(54) Title of the Invention: PORTABLE WIRELESS TELEPHONE SET
`
`(21)
`(22)
`
`Application Number: [—246298
`Application Date: September 25, 1989
`
`(72) Inventor: Yoshio ABE
`c/o Hitachi Video Engineering K. K; Company Kanagawa—ken, Yokohama-3111'=
`Kotsuka—ku Yoshida—cho,. 292-banchi
`
`(71) Inventor: Yutaka CHlBA
`'c/o Hitachi, Ltd, Tokai Plant Ibaraki—ken, Katsuda-Shi Oazalnada, 1410-banchi
`
`(71) Applicant: Hitachi, Ltd.
`Tokyo—t0, Chiyoda-ku Kanda Surugadai, 4-chome, 6—banchi Kanagawa-ken,
`Yohohaina-shi, Kotsuka—ku Yoshida-cho, 292-banchi
`
`(74) Agent: Katsuo OGAWA, patent attorney, 2 associates.
`
`DFTS_PAm00002?3
`
`5
`
`

`

`SPECLFICATIONS
`
`1.
`
`2.
`
`Title of the Invention: Portable Wireless Telephone Set
`
`Scope of the Patent’s Claims
`
`A portable wireless telephone set, characterized by the fact that it is equipped with a video
`1.
`display means and an imaging means, enabling reciprocal video transnrission and video display.
`
`A portable wireless telephone set, characterized by the fact that it is equipped at least with a
`2.
`video display means and with a video signal reception means, making it possible to display a'
`received video signal as video.
`
`A portable wireless telephone set, characterized by the fact that it is equipped'at least with an
`3.
`imaging means and with a video signal transmission means, making it possible to transmit captured
`images as a video signal.
`
`The portable wireless telephone set descnbed in claim 1 or in claim 2, characterized by the. fact
`4.
`that an external video display device can be connected, making it possible to also display as video a
`video signal received by the external video display device.
`
`The portable wireless telephone set described in claim 1 or in claim 3,. characterized by the fact
`5.
`that said imaging means can be freely attached to or removed from the main” unit of a portable wireless
`telephone set.
`
`The portable wireless telephone set described in claim 5, characterized by the fact that said
`6.
`imaging means, removed from the main unit of said portable wireless telephone set, can be used also in
`a state wherein it is connected with a connecting cable to a portable wireless telephone set.
`
`A portable wireless telephone set, characterized by the fact that it is equipped with combination
`?.
`of a video display means, an imaging rneans,_and the main unit of a portable wireless telephone set,
`enabling reciprocal vi dco transmission and video display.
`
`‘ 3.
`
`Detailed Description of the Invention
`
`(Field of Use in Industry)
`
`The present invention relates to a portable wireless telephone set, in particular to a portable
`wireless telephone set which enables in addition to transmission of audio information also transmission
`of video information.
`
`(Prior Art Technology)
`Together with the progress of the information society, Pocket Bell telephones and portable
`wireless telephones (cellular type wireless telephones) have become very popular.
`
`DFTS_PA_00002?4
`
`6
`
`

`

`FIG 5 shows a perspective view of a portable wireless telephone set according to prior art. The
`main unit 1 of the portable wireless set is equipped with a liquid crystal display 2, a speaker 3, a
`microphone 4, an antenna 5, and key buttons 6, as well as with a system of internal circuits and the like, not
`shown in the figure, and can be used for cordless transmission and receiving as commonly known. Said
`liquid crystal display 2 can be operated with key buttons 6 in order to display for example telephone
`numbers that have been stored in memory ahead of time, as well as text of personal names and the like.
`
`Incidentally, although conventional portable wireless telephone sets of this type have also had
`functions for transmission of voice information or of data information, they have not been provided
`with a function making it possible to capture and transmit video information, or a function making it
`possible to integrate incoming transmitted video signals therein and display them as images.
`
`(Task to Be Solved By This Invention)
`
`As was explained above, conventional portable wireless telephone sets could be used to receive
`only voice transmission, as they were not sufficient for transmission of information difficult to
`communicate by audio alone, such as the outward appearance of objects, or of images of individuals for
`reciprocal transmission of information (identification of individual persons), or of landscapes, etc.
`
`In addition, although it is necessary to notify police, fire department, etc., in situations when
`speed is of the utmost im'pbrtance during an emergency, for instance when an accident has occurred,
`the problem has been that in some cases there is no design provided for prompt transmission of
`
`accurate information by audio alone.
`
`_
`
`In view of the problem areas described above, the present invention provides a portable
`wireless telephone set which enables imaging and transmission of video information, as well as
`receiving and display of video information.
`
`(Means To Achieve the Task)
`
`The aforementioned purpOse of the present invention is achieved with a portable wireless
`telephone set to which is added or coupled at least a Video display means or at least an imaging means,
`which depending on the case can be freely attached to or detached from the main unit of a portable
`wireless telephone set, making it possible to display a received video signal as video, or making it
`possible to transmit a captured image as avideo signal.
`
`(Operation)
`
`A video signal, received with an antenna of a portable wireless telephone set, is processed in a
`suitable maimer by a processing circuit system and displayed by avideo display means, for instance on
`a liquid crystal display, so that a communicating party can receive video information together with
`audio information. In addition, because each type of video information is captured with an imaging
`means, loaded as electric signal, and then suitably processed with a processing circuit system, the video
`signal can be transmitted from an antenna as radio waves. This makes it possible to conduct reciprocal
`video transmissions with a portable wireless telephone set.
`
`,
`
`DFrs_PA_oecszrs
`
`7
`
`

`

`(Embodiments)
`
`_ The foiiowiug is a description of embodiments of the present invention with reference to the
`I drawings.
`‘
`
`FIG I and FIG 2 relate to a portable wireless telephone set according to Embodiment l of this
`invention. FIG 1 shows a perspective view thereof and FIG 2 shows a block diagram of the same.
`
`As shown in the figures, 1 is a portable wireless telephone set, comprising, generally speaking,
`a main unit function part 10, a video display part 20 and an imaging part 30, which are mechanically
`integrated and j oined together as well as connected together electrically. Said main unit function part '10
`is equipped with a speaker 3, a microphone 4, key buttons (key input means) 6, and anantenna 5, which
`are connected to a transceiver circuit 11, a main control circuit 12, a video system control circuit 13,
`etc. The main control circuit 12 is connected to the speaker 3, microphone 4, key buttons 6, and video
`system control circuit 13, as well as to the signal processing circuit 33 of said imaging part 30. Said
`video display part 20 is equipped with a liquid crystal display 2 and with a driving circuit 21, etc. When
`said driving circuit 21 receives a video signal transmitted from said video system control circuit 13, the
`received video signal is displayed on the liquid crystal display 2. In addition, said imaging part 30 is
`equipped with a lens system 31, an imaging element such as a CCD or the like, a signal processing
`circuit 33, and a control circuit 34, etc, so that each type of video information loaded as electric signals
`by the image pickup element 32 is transmitted through signal processing circuit 33 to the main unit
`fiinction part 10. In addition, control of imaging with imaging part 30 may be also exercised by
`operating the key buttons 6 of the main unit fimetion part 10, or with a manual operation means created
`Within imaging part 30 itself.
`
`In the configuration described above, transmitted information received by antenna 5 is sent from
`transceiver circuit 11 to the main control circuit 12 and divided into an audio signal and a video signal, the
`audio signal is output from the speaker 3, while the video signal is sent from the video system control
`circuit 13 to the image display part 20, so that image information sent to the liquid crystal display 2 is
`displayed and output as an image. In addition, video information acquired by imaging part 30 is sent to the
`main control circuit 12 of the main function part 10 and transmitted from the antenna 5 via the transceiver
`circuit 11. Furthermore, audio signals input from the microphone 4 are transmitted via the main control
`circuit 12 and the transceiver circuit 11.
`
`As described above, when persons transmitting information each have a portable wireless
`telephone provided with the above described construction, this makes it possible to mutually transmit video
`infermation as well as audio information, thus enabling prompt and accurate delivery of information in
`image form that is difficult to deliver by audio signals alone, and as a result it is possible to accurately and
`promptly deliver in image form conditions such as situations during an emergency when an accident
`occurred, etc.
`
`FIG 3 shows another embodiment of the present invention. In this embodiment, the main unit 1 of
`a portable wireless telephone set can be connected through a dedicated cable 41 to a large video display set
`(for example a CRT display device) in order to display images received with the portable wireless
`telephone main unit 1 on this large image display set 40. By so doing, the image can be made large and
`
`8
`
`errsmnnfioomre
`
`8
`
`

`

`visibility enhanced, and, can thus be viewed by a large number of people.
`
`FIG 4 shows yet another embodiment ofthe present invention. In this embodiment, imaging part
`30 is made freely attachable and removable from portable wireless telephone main unit 1 so that when the
`imaging part 30 is mechanically integrated with the main portable wireless telephone unit 1, an electric
`connection between both parts 1 and 30 is established with a connector 42 (not shown in some ofthe
`figures), creating a fimction completely identical to the embodiment shown in said FIG 1 and FIG 2.
`Moreover, when imaging part 30 is removed from the portable wireless telephone main unit 1, both parts 1
`and 30 are connected electrically with a dedicated cable 43, enabling imaging part 30 to be bandied and
`capture images in a'state that is independent from portable wireless telephone main unit 1. This enables
`excellent operability for taking of pictures and the subject images can be taken with a wide range.
`
`The present invention can be also provided with various modifications in addition to the
`embodiments described above. For example, the-main function part 10 may be provided. only with said
`video display part 20 or only with the imaging- part 30, enabling only reception and display of image
`information, or enabling only capturing of image information and signal} transmission. Furthermore, a
`portable wireless'telephone haviug'a main function part 10 can be equipped for docking with functions
`having a video display part 20 and an imaging part 30, thus enabling reciprocal transmission of images.
`
`(Effect of the Invention)
`
`As was explained above, this invention makes it possible to promptly and accurately transfer
`with a wireless telephone set, not only audio information, but also image infomiation which is difficult
`to provide when only audio information is available. In particular, this can be used to enable transfer of
`images in. situations such as when an accident occurs at a moving location, etc, and thereby provides
`high utility value.
`
`4.
`
`Brief Explanation of Figures
`
`FIG 1 andFIG 2 relate to Embodiment l of the present invention. FIG 1 is a perspective view
`showing a portable wireless telephone set, FIG 2 is a block diagram of the functions of a portable
`wireless telephone set, FIG 3 is a perspective view showing a portable wireless telephone set relating to
`another embodiment of the present invention, FIG 4 is a perspective view showing a portable wireless
`telephone set relating to yet another embodiment of the present invention, and FIG 5 is a perspective
`vieW showing a portable wireless telephone set according to prior art.
`
`microphone,
`speaker, 4
`liquid crystal display, 3
`portable wireless telephone set, 2
`1
`antenna, 6
`key buttons, 10 ... main unit fimction part, 11
`transceiver circuit, 12 main control
`5
`circuit, 13
`video system control circuit, 20
`video display part, 21
`driving circuit, 30
`imaging
`part, 3 1
`lens system, 32
`imaging element, 33
`signal processing circuit, 34
`control circuit.
`
`Representative: Katsuo OGAWA, patent attorney- [personal seal]
`
`9
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`DFTS_PA_€}GOUZ??
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`9
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`

`

`FIG 2
`
`
`
`
`Maw»?
`
`liquid crystal display
`speaker
`-
`microphone
`autonna
`
`key buttons
`
`10:
`20:
`30:
`32:
`
`main unit fimotion part
`video. display part
`imaging part
`imaging element
`
`6
`
`10
`
`DFTSEAflGfiUGZm
`
`10
`
`

`

`FIG4
`
`11
`
`DFTSWPA 600039
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`11
`
`
`
`

`

`FIG 5
`
`12
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`DFTS PA 9300280
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`12
`
`
`

`

`
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`June 12, 2014
`
`Certification
`
`Park IP Translafions
`
`This is To ceriify ihai The aiiached iransiaiio-n is, iaihe besi of my knowledge and
`belief, a True and accura’re Translaiian from Japanese info English of: Japanese
`Unexamined Pa’re'ni Applicaiion Pubii‘cafioh Number '3—109891.
`
`
`
`Kaiilin Jou
`
`Project Manager
`
`Proj'eci Number: PAHAS_1406_OO4
`
`15 W. 37th Siree’r 81h Floor
`New York. NY 10018
`212.581.8870
`ParkiP.com
`
`13
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`DFTS_PAM00€IO281
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`13
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