JPH0312585U

JPH0312585U -

Info

Publication number: JPH0312585U
Application number: JP7210289U
Authority: JP
Priority date: 1989-06-20
Filing date: 1989-06-20
Publication date: 1991-02-07

Description

[Brief explanation of drawings]

第１図は本考案に係る静止画テレビ電話装置の
回路構成図、第２図は電話回線を通じて伝送され
てくる相手先からの受信画像信号を示した信号の
構成図、第３図は従来の静止画テレビ電話装置の
回路構成図である。図において、４……制御装置、６……復調装置
、８……可変ゲイン増幅器、４ａ……制御信号、
８ａ……受信画像信号、９……ヘツダ部、１０…
…画像部である。図において、同一符号は同一ま
たは相当部分を示す。 Figure 1 is a circuit configuration diagram of a still picture video telephone device according to the present invention, Figure 2 is a signal configuration diagram showing a received image signal from the other party transmitted through a telephone line, and Figure 3 is a diagram of a conventional still image video telephone device. FIG. 2 is a circuit configuration diagram of a still image video telephone device. In the figure, 4...Control device, 6...Demodulator, 8...Variable gain amplifier, 4a...Control signal,
8a... Received image signal, 9... Header section, 10...
...This is the image section. In the figures, the same reference numerals indicate the same or corresponding parts.

補正平１．１１．２実用新案登録請求の範囲を次のように補正する
。Amendment 1.11.2. The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】テレビカメラで撮影された撮影画像及び通話先
から電話回線を通じて伝送されてきた受信画像信
号としての画像データを記憶する画像記憶手段と
、前記画像記憶手段から読み出された画像データ
を表示する表示手段と、操作パネルからの入力指令に基づいて画像記憶
手段及び表示手段の制御を行う画像データ制御手
段と、制御情報としてのヘツダ部と画像情報としての
画像部とを含む受信画像信号を画像データに復調
して前記画像データ制御手段に入力する復調手段
と、を有する静止画テレビ電話装置において、前記受信画像信号を入力し、所定の信号レベル
に増幅して、前記復調手段へ出力する画像信号増
幅手段を有し、前記画像データ制御手段により、前記受信画像
信号のヘツダ部信号レベルを検出し、その検出信
号レベルに応じて前記画像信号増幅手段のゲイン
を適正な信号レベル範囲に制御することを特徴と
する静止画テレビ電話装置。[Scope of Claim for Utility Model Registration] Image storage means for storing photographed images taken by a television camera and image data as a received image signal transmitted from a called party through a telephone line; and a display means for displaying image data; an image data control means for controlling the image storage means and the display means based on input commands from an operation panel; and a header section as control information and an image section as image information. a still image video telephone device comprising demodulating means for demodulating a received image signal including the image data into image data and inputting the same to the image data control means; It has an image signal amplification means for outputting to the demodulation means, the image data control means detects a header part signal level of the received image signal, and adjusts the gain of the image signal amplification means to an appropriate level according to the detected signal level. A still image videophone device characterized by controlling within a signal level range .

Claims

[Scope of Claim for Utility Model Registration] Image storage means for storing photographed images taken by a television camera and image data as a received image signal transmitted from a called party through a telephone line; and a display means for displaying image data; an image data control means for controlling the image storage means and the display means based on input commands from an operation panel; and a header section as control information and an image section as image information. a still image video telephone device comprising demodulating means for demodulating a received image signal including the image data into image data and inputting the same to the image data control means; It has an image signal amplification means for outputting to the demodulation means, the image data control means detects a header part signal level of the received image signal, and optimizes the gain of the image signal amplification means according to the detected signal level. A still image videophone device characterized by controlling the signal level.