Matsushita Electric Industrial Co., Ltd.

Ken Sakamoto

Hidemi Henmi

Toyoaki Unemura

Hideto Nakahigashi

Shin Fukuda

Tomoji Kondo

Shigeru Takano

Kiyoshi Imai

Yutaka Nio

Takashi Yamaguchi

Toshikatsu Kawakami

Hiroyasu Shinbo

Hiroyasu Shimbo

Keiya Miyoshi

Mitsuji Okawa

Transmission system and receiver using teletext information for

Television program information contained in an extracted text broadcast signal is selected and input to a video cassette recording device. The recording program information includes recording times and program titles. The recording device includes a timer for starting the recording of the television program on a tape in accordance with the recording information, an index detector for detecting an index along the tape to identify a section in the tape where the television program is recorded, a rewind controller for rewinding the tape to its initial position, a writing arrangement for writing the recording information of the recorded program together with the index information at the initial position of the tape, and a fast forward controller for advancing the tape to the end of the recorded section identified by the index. The recording information written at the initial position of the tape can be displayed on a screen to indicate the contents of the tape.

Television program recording and reproducing system using program data

The present invention sequentially selects and outputs one of a plurality of video image sources 1 by an image signal source switching means 2, processes the video images by thinning circuit portions 3 and 4, writes in the video data into an image memory 5 and display the images on an image display device 6. Depending upon the detection output of an aspect ratio detecting circuit portion 12, which detects an aspect ratio of an image display of each of the video image source 1, thinning ratios of the thinning circuits 3 and 4 and a write in control circuit portion 9 for the image memory are switched in order to obtain a multiscreen display circuit which can display video signal sources having different aspect ratios.

Multiscreen display circuit for displaying video signal sources having

A text broadcast receiver includes a data extraction circuit for extracting a data block in an encoded transmission-format text broadcast signal multiplexed to a vertical blanking period of a video signal, a data group construction circuit for constructing a data group by assembling a plurality of extracted data blocks, a data identifier for passing identifying the data group containing a television program table, a memory for storing the television program table contained in the data group passed through the data identifier, and display control circuit for reading the television program table from the memory and for displaying the television program table on a screen. The text broadcast receiver further includes a remote control selector for selecting at least one television program in the displayed television program table. The selected television program is recorded as a reserved television program for recording.

Text broadcast receiver

A character graphic information display device is adapted to decode into the character graphic picture images with the standard density the high density of character graphic information which has been transmitted so as to display it on the display portion after passing through the memory and the processing circuit; the desired region may be displayed on the whole display portion as the high density picture images by the operation of the keypad. Also order to obtain other regions as the high density picture images, the other high density picture images are continuously displayed only by the movement of the cursor in the condition of the high density picture face.

Character graphic information display device

A display apparatus capable of displaying, by use of an ordinary television set function, character/figure information having a higher display density than standard chemistry character figure information. The apparatus includes a first reducing device for reducing into a pixel a partition having vertical and horizontal lengths respectively twice the vertical and horizontal lengths of a smallest pixel zone associated with a dot pattern signal, character generators and a second reducing device for producing a reduced character pattern associated with character codes in a received signal, and a third reducing device for reducing into a block a partition having vertical and horizontal lengths respectively twice the vertical and horizontal lengths of an attribute data specification block specifying a character/figure display attribute in the signal. The reduced character/figure image signals of the entire screen information obtained through the constituent components above are displayed via a display processing circuit. In a display area appropriately selected by the user, a partial image can be displayed in a specified display density.

High density character and/or figure displaying apparatus

A character multiplex broadcasting receiving apparatus is provided for reducing and displaying a plurality of character figure images including header information and text information. In the invention, to simultaneously display a plurality of character figure images, division signals are formed from a horizontal pulse, a vertical pulse, and a clock pulse (chrominance subcarrier frequency f.sub.sc .times.4) to designate areas on the CRT. Either and animation image (television image) or a character image to display character figure information is designated for each divided picture plane and a plurality of character figure images are simultaneously displayed.

Apparatus for receiving character multiplex broadcasting

A character and graphics display device for displaying character and graphics data which includes a receiving circuit for deriving the character and graphics data from a signal carrying that data encoded therein, a memory for storing the received data, a decoder circuit for decoding the encoded data into suitable form for transfer to a display device, and a display memory for temporarily storing this decoded data, further includes compression circuits for converting the decoded data into a form whereby patterns represented by that data are displayed in compressed size. Pattern and graphics data can thereby be displayed together with other data such as a television picture, or a number of pages of the character and graphics data can be displayed simultaneously.

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Takatsuki, Japan

Ken Sakamoto