EP0822711A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Internet information displaying apparatus
Assignee: Sanyo Electric Co Ltd
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Filing: 1997-08-01
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Granted: —
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Expires: 2017-08-01
Abstract
Abstract An Internet information displaying apparatus, comprising: a video intermediate frequency detector (11) for extracting a first picture signal from a video signal and outputting it; a gate array (36) for converting the digital data taken in by an Internet processing unit (22) into a second picture signal, and for compressing the second picture signal in the horizontal direction of the screen of a CRT (17); a TV picture horizontal compression unit (18) for compressing the first picture signal in the horizontal direction of the screen of the CRT (17); the gate array (36) for compressing the second picture signal in the horizontal direction of the screen of the CRT (17); a picture right and left composing unit (19) for composing the picture signals compressed by the unit (18) and the gate array (36), respectively, in a row; and switching units (14, 23) for switching the picture signal to be displayed on the screen of the CRT (17) into any of the first picture signal, the second picture signal, and the picture signal composed by the picture right and left composing unit (19). Television program and the Internet screen are displayed simultaneously.
Inventors
- 👤 Mitsunobu Enomoto
- 👤 Nobuo Kuchiki
- 👤 Yuji Hase
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 18:00
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/01; H04N7/0117; H04N7/0122; G; G06; G06F; G06F15/00; G06F15/16; H04N21/00; H04N21/40; H04N21/41; H04N21/426; H04N21/42676; H04N21/43; H04N21/431; H04N21/4312; H04N21/4316; H04N21/45; H04N21/462; H04N21/4622; H04N21/47; H04N21/478; H04N21/4782; H04N5/00; H04N5/44; H04N5/445; H04N5/44504; H04N5/45; H04N7/16; H04N7/173; H04N7/17309; H04N7/17318
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
215 words
An Internet information displaying apparatus,
comprising: picture signal outputting means (11) for extracting a
first picture signal from a video signal and outputting it; Internet connecting means (22), having storing means (37),
for taking in digital data through a communication line (24)
from a computer (4) connected with the Internet, and storing
said digital data into said storing means(27); data converting means (36) for converting said digital
data taken in by said Internet connecting means (22) into a
second picture signal; a displaying apparatus (17) for displaying a picture
signal on a screen; first horizontal direction compressing means (18) for
compressing said first picture signal in the horizontal
direction of the screen of said displaying apparatus (17); second horizontal direction compressing means (36) for
compressing said second picture signal in the horizontal
direction of the screen of said displaying apparatus (17); picture composing means (19) for composing the picture
signals compressed by said first horizontal direction
compressing means (18) and said second horizontal direction
compressing means (36), respectively, in a row; and switching means (14, 23) for switching the picture signal
to be displayed on the screen of said displaying apparatus (17)
into any of said first picture signal, said second picture
signal, and said picture signal composed by said picture signal
composing means (19).
Claim 2
Dependent Claim
99 words
The Internet information displaying apparatus as set
forth in Claim 1, wherein said first horizontal direction compressing means (18) and
said, second horizontal direction compressing means (36) both
have line memories (18, 29) which store the picture signals in
the unit of the scanning line, and in said first horizontal direction compressing means (18),
said first picture signal is written in by the write clock of
the multiple frequency of the horizontal synchronizing signal
extracted from said video signal, and said first picture signal
is read out by the read clock of the double frequency of said
write clock.
Claim 3
Dependent Claim
86 words
The Internet information displaying apparatus as set
forth in Claim 1, wherein said first horizontal direction compressing means (18) and
said second horizontal direction compressing means (36) both
have line memories (18, 29) which store the picture signals in
the unit of the scanning line, and in said second horizontal direction compressing means
(36), said second picture signal is written in by carrying out
DMA (Direct Memory Access) with the timing based on the
horizontal synchronizing signal and vertical synchronizing
signal extracted from said video signal.
Claim 4
Dependent Claim
139 words
The Internet information displaying apparatus as set
forth in Claim 1, wherein said first horizontal direction compressing means (18) and
said second horizontal direction compressing means (36) both
have line memories (18, 29) which store the picture signals in
the unit of the scanning line, in said first horizontal direction compressing means (18),
said first picture signal is written in by the write clock of
the multiple frequency of the horizontal synchronizing signal
extracted from said video signal, and said first picture signal
is read out by the read clock of the double frequency of said
write clock, and in said second horizontal direction compressing means
(36), said second picture signal is written in by carrying out
DMA (Direct Memory Access) with the timing based on the
horizontal synchronizing signal and vertical synchronizing
signal extracted from said video signal.
Claim 5
Dependent Claim
129 words
The Internet information displaying apparatus as set
forth in Claim 1, further comprising: Internet relating picture signal generating means (22) for
generating a picture signal relating to said second picture
signal; wherein said switching means (14, 23) switch the picture
signal to be displayed on the screen of said displaying
apparatus (17) into any of said first picture signal, said
second picture signal, and said picture signal generated by
said Internet relating picture signal generating means (22);
and said switching means (14, 23) output said first picture
signal compulsorily to the displaying apparatus (17) to display
on the screen during the waiting time until said communication
line (24) is connected to said computer (4) and/or the period
during which said communication line (24) is connected with
said computer (4).
Claim 6
Dependent Claim
127 words
The Internet information displaying apparatus as set
forth in Claim 5, further comprising: operation start detecting means (38) for detecting the
start of operation for said communication line (24) to be
connected with said computer (4); and connection completion detecting means (38) for detecting
the completion of connection between said communication line
(24) with said computer (4); wherein said switching means (14, 23), at the time when
said operation start detecting means (38) detects the start of
operation, outputs said second picture signal to cause display
on the screen of said displaying apparatus (17), and at the
time when said connection completion detecting means (38)
detects the completion of connection, outputs said Internet
relating picture signal to cause display on the screen of said
displaying apparatus (17).
Claim 7
Dependent Claim
182 words
The Internet information displaying apparatus as set
forth in Claim 1, wherein said storing means (37) stores said digital data as a
second picture signal taken in from the Internet corresponding
to the picture signal of at least one frame; and said second horizontal direction compressing means (36)
compresses said digital data as the second picture signal
stored in said storing means (37) in the horizontal direction
of the screen of said displaying apparatus (17); said Internet information displaying apparatus further
comprising: judging means (16) for judging whether the first picture
signal extracted from said video signal is non-interlace or
interlace; and controlling means (38) for controlling in a manner to
output the digital data stored in said storing means (37) to
said second horizontal direction compressing means (36) by
adjusting with the field of said first picture signal when
judged to be interlace by said judging means (16), and to
output the digital data stored in said storing means (37) to
said second horizontal direction compressing means (36) on each
field when judged to be non-interlace by said judging means
(16).
Claim 8
Dependent Claim
47 words
The Internet information displaying apparatus as set
forth in Claim 7, wherein said judging means (16) judges by
comparison as to whether the present field and the preceding
field of the picture signals are the same fields of odd number
or even number or the different fields.
Claim 9
Dependent Claim
62 words
The Internet information displaying apparatus as set
forth in Claim 8, wherein said controlling means (38), when
said judging means (16) judges to be non-interlace, controls to
output the digital data of the different field on the field of
said second picture signal respectively to said second
horizontal direction compressing means (36) from the digital
data stored in said storing means (37).
Claim 10
Dependent Claim
179 words
The Internet information displaying apparatus as set
forth in Claim 9, wherein said first horizontal direction compressing means (18) and
said second horizontal direction compressing means (36) both
have line memories (18, 29) which store the picture signals in
the unit of the scanning line, in said first horizontal direction compressing means (18),
said first picture signal is written in by the write clock of
the multiple frequency of the horizontal synchronizing signal
extracted from said second picture signal, and the first
picture signal is read out by the read clock of the double
frequency of said write clock, in said second horizontal direction compressing means
(36), said second picture signal is written in by carrying out
DMA (Direct Memory Access) with the timing based on the
horizontal synchronizing signal and vertical synchronizing
signal extracted from said second picture signal, and in said storing means (37), said second picture signal is
read out by carrying out DMA (Direct Memory Access) with the
timing based on the horizontal synchronizing signal and
vertical synchronizing signal extracted from said second
picture signal.
Claim 11
Dependent Claim
168 words
The Internet information displaying apparatus as set
forth in Claim 1, wherein said data converting means (36) has video FIFO means (29)
for storing the digital data stored in said storing means (37)
by one line as data of the second picture signal; said Internet information displaying apparatus further
comprising: writing means (27) for writing in said video FIFO means
(29) the digital data stored in said storing means (37) as the
data for the picture signal; DMA (Direct Memory Access) means (38a) for controlling
said writing means (27); distinguishing means (28) for distinguishing the period
for not displaying data of said second picture signal on the
screen of said displaying apparatus (17); DMA request signal outputting means (30) for outputting to
said DMA means (38a) a DMA request signal which requests DMA
operation from said writing means (27); and controlling means (38) for controlling said DMA request
signal outputting means (30) to stop said DMA means (38a),
depending on the distinguish result of said distinguishing
means (28).
Claim 12
Dependent Claim
43 words
The Internet information displaying apparatus as set
forth in Claim 11, wherein the data stored in said video FIFO
means (29) cause to make "0" when displaying state of said
second picture signal to the screen of said displaying
apparatus (17) becomes OFF.
Claim 13
Dependent Claim
48 words
The Internet information displaying apparatus as set
forth in Claim 11, wherein the data stored in said video FIFO
means (29) cause to make all the same for one line when
displaying state of the second picture signal to the screen of
said displaying apparatus (17) becomes OFF.
Claim 14
Dependent Claim
125 words
The Internet information displaying apparatus as set
forth in Claim 1, further comprising: trimming means (38) for trimming the number of characters
to be displayed per line of a half screen on the second picture
signal side smaller than the number of characters to be
displayed per line of a full screen, in composing said first
picture signal and said second picture signal in a row and
displaying on the screen of said displaying apparatus (17) by
said picture composing means (19); and rearranging means (38) for rearranging the characters to
be displayed on the lines in which the number of characters has
been trimmed by said trimming means (38), whereby displaying all the characters included in the
second picture signal on said half screen.
Claim 15
Dependent Claim
99 words
The Internet information displaying apparatus as set
forth in Claim 14, wherein said trimming means (38) has an
image memory (37) which has a region to store the second
picture signal to be displayed on said half screen at the time
of composing the first picture signal and the second picture
signal in a row and displaying them on the screen of said
displaying apparatus (17), and the picture signal to be
displayed on said half-screen is read out from said region when
composing the first and second picture signals in a row and
displaying them on said screen.
Claim 16
Dependent Claim
171 words
An Internet information displaying apparatus as set
forth in Claim 1-1, wherein said video signal is a television signal, and said Internet information displaying apparatus further
comprising: Internet relating picture signal generating means (22) for
generating a picture signal relating to said second picture
signal; storing means (54) for storing inputted time, and inputted
television channel; selecting means (20) for selecting the television channel
stored in said storing means (54); and clocking means; wherein, said switching means (14, 23) switch the picture
signal for displaying on the screen of said displaying
apparatus (17) to either the picture signal relating to the
Internet or said first picture signal; and in case where the picture signal relating to the Internet
is displayed on the screen of said displaying apparatus (17),
when the time indicated by said clocking means (52) reaches the
time stored in said storing means (54), said switching means
(14, 23) switch to said first picture signal, and said
selecting means (20) selects the television channel stored in
said storing means.
References Cited (Backward Citations)
US4954882A
Cited
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