EP1083076A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Display apparatus for vehicle
Assignee: Mazda Motor Corp
•
Filing: 2000-06-16
•
Granted: —
•
Expires: 2020-06-16
Abstract
Abstract In a display apparatus for a vehicle, when an auto mode is selected, an obstacle closest to the vehicle is determined on the basis of data that represents an output signal from an obstacle sensor, the determined obstacle and a radiation heat source (pixel group) included in an image sensed by an infrared light camera are associated with each other, and only an image corresponding to the obstacle closest to the vehicle is displayed on a display.
Inventors
- 👤 Koichi c/o Mazda Motor Corporation Kojima
- 👤 Hiroki c/o Mazda Motor Corporation Uemura
- 👤 Hidekazu c/o Mazda Motor Corporation Sasaki
- 👤 Ayumu c/o Mazda Motor Corporation Doi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 07:36
CPC Classifications
B; B60; B60K; B60K35/00; B60K35/60; B60K35/10; B60K35/20; B60K35/26; B60K35/265; B60K35/28; B60K35/29; B60K35/80; B60K35/81; B60K2360/00; B60K2360/16; B60K2360/179; B60K2360/20; B60K2360/21; B60K2360/77; B60K2360/785; B60K35/21; B60K35/22; B60K35/23
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
116 words
A display apparatus for a vehicle, which is
provided to a vehicle, and comprises an image sensing
device (3, 23, 43) for sensing an image of a landscape
ahead of the vehicle using infrared rays, a display (8,
28, 48) for displaying the image sensed by said image
sensing device at a position in front of a driver's
seat of the vehicle, and distance detection means (2,
22, 42) for detecting an obstacle present ahead of the
vehicle, and detecting a distance between the obstacle
and the vehicle, characterized by comprising: display control means (1, 21, 41) for changing a
display mode of said display in accordance with a
detection result of said distance detection means.
Claim 2
Dependent Claim
81 words
The apparatus according to claim 1, characterized
in that said display control means (1) computes
distances to obstacles contained in the image sensed by
said image sensing device (3) on the basis of that
image and the detection result from said distance
detection means (2), executes a predetermined image
processing of the image so as to display only the
obstacle with the shortest computed distance to the
vehicle, and displays an image that has undergone the
image processing on said display.
Claim 3
Dependent Claim
86 words
The apparatus according to claim 1, characterized
in that said display control means (1) computes
distances to obstacles contained in the image sensed by
said image sensing device (3) on the basis of that
image and the detection result from said distance
detection means (2), executes a predetermined image
processing of the image so as to emphasize and display
the obstacle with the shortest computed distance to the
vehicle compared to other obstacles, and displays an
image that has undergone the image processing on said
display.
Claim 4
Dependent Claim
37 words
The apparatus according to claim 3, characterized
in that said display control means changes contrast
between a partial image that represents the obstacle
closest to the vehicle, and a surrounding image thereof
as the predetermined image processing.
Claim 5
Dependent Claim
49 words
The apparatus according to claim 3, characterized
in that said display control means sets a display color
of a partial image that represents the obstacle closest
to the vehicle to be different from a display color of
a partial image that represents another obstacle as the
predetermined image processing.
Claim 6
Dependent Claim
47 words
The apparatus according to claim 3, characterized
in that said display control means sets a luminance of
a partial image that represents the obstacle closest to
the vehicle to be higher than a luminance of a partial
image that represents another obstacle as the
predetermined image processing.
Claim 7
Dependent Claim
35 words
The apparatus according to claim 3, characterized
in that said display control means emphasizes and
displays an outline of a partial image that represents
the obstacle closest to the vehicle as the
predetermined image processing.
Claim 8
Dependent Claim
83 words
The apparatus according to claim 1, characterized
in that said display control means (1) computes
distances to obstacles contained in the image sensed by
said image sensing device (3) on the basis of that
image and the detection result from said distance
detection means (2), extracts a partial image that
represents the obstacle with the shortest distance to
the vehicle, executes a predetermined image processing
for enlarging the extracted image, and displays an
image that has undergone the image processing on said
display.
Claim 9
Dependent Claim
115 words
The apparatus according to claim 1, characterized
in that said display control means (1) extracts a
partial image that represents a person from an overall
image sensed by said image sensing device (3), computes a distance between the vehicle and the
person corresponding to the partial image on the basis
of the overall image and the detection result from said
distance detection means (2), executes a predetermined
image processing of the overall image so as to
emphasize and display the partial image that represents
the person with the shortest computed distance to the
vehicle compared to partial images representing other
obstacles, and displays an image that has undergone the
image processing on said display (8).
Claim 10
Dependent Claim
59 words
The apparatus according to claim 9, characterized
in that said display control means determines an
obstacle, a radiation temperature of which falls within
a predetermined temperature range, to be a person on
the basis of radiation temperatures of obstacles
included in the overall image, prior to extraction of
the partial image that represents the person from the
overall image.
Claim 11
Dependent Claim
49 words
The apparatus according to claim 10, characterized by further comprising: maneuvering environment detection means (4, 5)
for detecting a maneuvering environment of the vehicle,
and in that said display control means corrects the
predetermined temperature range in accordance with the
maneuvering environment detected by said maneuvering
environment detection means.
Claim 12
Dependent Claim
50 words
The apparatus according to claim 11, characterized in that said maneuvering environment
detection means (5) detects as the maneuvering
environment an atmospheric temperature of the vehicle,
and said display control means shifts the
predetermined temperature range toward higher
temperature with increasing atmospheric temperature
detected by said maneuvering environment detection
means.
Claim 13
Dependent Claim
52 words
The apparatus according to claim 11, characterized in that said maneuvering environment
detection means (5) detects as the maneuvering
environment calendar information or time information,
and said display control means corrects the
predetermined temperature range on the basis of the
calendar information or time information detected by
said maneuvering environment detection means.
Claim 14
Dependent Claim
37 words
The apparatus according to claim 9, characterized
in that said display control means changes contrast
between a partial image that represents the person
closest to the vehicle, and a surrounding image thereof
as the predetermined image processing.
Claim 15
Dependent Claim
49 words
The apparatus according to claim 9, characterized
in that said display control means sets a display color
of a partial image that represents the person closest
to the vehicle to be different from a display color of
a partial image that represents another obstacle as the
predetermined image processing.
Claim 16
Dependent Claim
47 words
The apparatus according to claim 9, characterized
in that said display control means sets a luminance of
a partial image that represents the person closest to
the vehicle to be higher than a luminance of a partial
image that represents another obstacle as the
predetermined image processing.
Claim 17
Dependent Claim
35 words
The apparatus according to claim 9, characterized
in that said display control means emphasizes and
displays an outline of a partial image that represents
the person closest to the vehicle as the predetermined
image processing.
Claim 18
Dependent Claim
71 words
The apparatus according to claim 9, characterized
in that said display control means selects a
predetermined number of distances which are computed
between the vehicle and persons corresponding to the
partial images in ascending order of distance to the
vehicle, and emphasizes and displays the partial images
that represent the persons corresponding to the
selected distances compared to the partial images that
represent the other obstacles, as the predetermined
image processing.
Claim 19
Dependent Claim
98 words
The apparatus according to claim 1, characterized
in that said display control means (1) extracts partial
images that represent persons from an overall image
sensed by said image sensing device (3), computes distances between the vehicle and the
persons corresponding to the partial images on the
basis of the overall image and the detection result
from said distance detection means (2), and displays the partial image that represents the
person with the shortest computed distance to the
vehicle on said display, and also the computed distance
to the vehicle in association with that person near the
partial image.
Claim 20
Dependent Claim
86 words
The apparatus according to claim 1, characterized
in that said display control means (1) computes
distances between the vehicle and obstacles included in
the image sensed by said image sensing device (3) on
the basis of that image and the detection result from
said distance detection means (2), displays a partial
image which represents the obstacle with the shortest
computed distance to the vehicle on said display (8),
and also displays the distance to the vehicle computed
in association with that obstacle near the partial
image.
Claim 21
Dependent Claim
97 words
The apparatus according to claim 1, characterized
in that said display control means (1) computes
distances between the vehicle and obstacles included in
the overall image sensed by said image sensing device
(3) on the basis of that overall image and the
detection result from said distance detection means (2), extracts a partial image that represents a
corresponding obstacle when each of the computed
distances is larger than a first predetermined distance,
executes a predetermined image processing for enlarging
the extracted partial image, and displays an image that
has undergone the image processing on said display (8).
Claim 22
Dependent Claim
52 words
The apparatus according to claim 21, characterized by further comprising: vehicle velocity detection means (24) for
detecting a vehicle velocity of the vehicle, and in
that said display control means (21) makes
enlarged-scale display of the partial image easier with
increasing vehicle velocity of the vehicle upon
executing the predetermined image processing.
Claim 23
Dependent Claim
34 words
The apparatus according to claim 22, characterized in that said display control means makes
enlarged-scale display of the partial image easier by
increasing the first predetermined distance with
increasing vehicle velocity of the vehicle.
Claim 24
Dependent Claim
52 words
The apparatus according to claim 21, characterized by further comprising: turn state detection means (25) for detecting a
turn state of the vehicle, and in that said display control means (21) inhibits
execution of enlarged-scale display of the partial
image when said turn state detection means detects that
the vehicle is turning.
Claim 25
Dependent Claim
107 words
The apparatus according to claim 21, characterized by further comprising: turn state detection means (25) for detecting a
turn state of the vehicle, and in that when said turn state detection means detects that
the vehicle is turning and it is determined that an
obstacle located at a position closer than the first
predetermined distance is approaching along an
estimated route of the vehicle, said display control
means (21) makes enlarged-scale display of a partial
image which represents that obstacle, and when said turn state detection means detects that
the vehicle is not turning, said display control means
inhibits execution of enlarged-scale display of the
partial image.
Claim 26
Dependent Claim
31 words
The apparatus according to claim 21, characterized in that the first predetermined distance
is set at a possible irradiation distance of head lamps
of the vehicle in said display control means.
Claim 27
Dependent Claim
35 words
The apparatus according to claim 21, characterized in that said display control means also
displays a symbol mark which informs a passenger of
enlarged-scale display when the partial image is
displayed in an enlarged scale.
Claim 28
Dependent Claim
51 words
The apparatus according to claim 21, characterized by further comprising: maneuvering environment detection means (31 - 33)
for detecting a maneuvering environment of the vehicle,
and in that said display control means (21) corrects the
first predetermined distance in accordance with the
maneuvering environment detected by said maneuvering
environment detection means.
Claim 29
Dependent Claim
65 words
The apparatus according to claim 28, characterized in that said maneuvering environment
detection means (31, 32) detects a value that pertains
to visibility of a driver with respect to a maneuvering
environment ahead of the vehicle as the maneuvering
environment, and said display control means corrects the first
predetermined distance to increase as the detection
result of said maneuvering environment detection means
indicates worse visibility.
Claim 30
Dependent Claim
51 words
The apparatus according to claim 29, characterized in that said maneuvering environment
detection means (31) detects a wiper operation speed of
the vehicle as the maneuvering environment, and said display control means corrects the first
predetermined distance to increase with increasing
wiper operation speed detected by said maneuvering
environment detection means.
Claim 31
Dependent Claim
56 words
The apparatus according to claim 29, characterized in that said maneuvering environment
detection means (31) detects an ON/OFF state of fog
lamps of the vehicle as the maneuvering environment,
and said display control means corrects the first
predetermined distance to increase when the fog lamps
are ON than a value when the fog lamps are OFF.
Claim 32
Dependent Claim
27 words
The apparatus according to claim 21, characterized by further comprising a manual switch
(37) which can inhibit execution of enlarged-scale
display by said display control means (21).
Claim 33
Dependent Claim
31 words
The apparatus according to claim 21, characterized in that said display control means (21)
superimposes an enlarged-scale image of the partial
image on the overall image as the predetermined image
processing.
Claim 34
Dependent Claim
115 words
The apparatus according to claim 1, characterized
in that said display control means (21) computes
distances between the vehicle and obstacles included in
an overall image sensed by said image sensing device
(23) on the basis of that overall image and the
detection result from said distance detection means
(22), displays an image obtained by deforming a partial
image that represents a given obstacle on said display
(28) when the computed distance to that obstacle is
larger than a first predetermined distance, so as to
make a driver easily recognize the presence of the
corresponding obstacle, and displays the overall image on said display when
the computed distance is smaller than the first
predetermined distance.
Claim 35
Dependent Claim
90 words
The apparatus according to claim 1, characterized
in that said display control means (41) computes
distances between the vehicle and obstacles included in
an overall image sensed by said image sensing device
(43) on the basis of that overall image and the
detection result from said distance detection means
(42), displays the overall image on said display (48)
when the computed distance is smaller than a second
predetermined distance, and stops display of the overall image on said
display when the computed distance is larger than the
second predetermined distance.
Claim 36
Dependent Claim
44 words
The apparatus according to claim 35, characterized by further comprising: vehicle velocity detection means (45) for
detecting a vehicle velocity of the vehicle, and in
that said display control means changes the second
predetermined distance to increase with increasing
vehicle velocity of the vehicle.
Claim 37
Dependent Claim
49 words
The apparatus according to claim 35, characterized by further comprising: maneuvering environment detection means (46, 53)
for detecting a maneuvering environment of the vehicle,
and in that said display control means corrects the second
predetermined distance in accordance with the
maneuvering environment detected by said maneuvering
environment detection means.
Claim 38
Dependent Claim
65 words
The apparatus according to claim 37, characterized in that said maneuvering environment
detection means (46, 53) detects a value that pertains
to visibility of a driver with respect to a maneuvering
environment ahead of the vehicle as the maneuvering
environment, and said display control means corrects the second
predetermined distance to increase as the detection
result of said maneuvering environment detection means
indicates worse visibility.
Claim 39
Dependent Claim
51 words
The apparatus according to claim 38, characterized in that said maneuvering environment
detection means (46) detects a wiper operation speed of
the vehicle as the maneuvering environment, and said display control means corrects the second
predetermined distance to increase with increasing
wiper operation speed detected by said maneuvering
environment detection means.
Claim 40
Dependent Claim
56 words
The apparatus according to claim 38, characterized in that said maneuvering environment
detection means (53) detects an ON/OFF state of fog
lamps of the vehicle as the maneuvering environment,
and said display control means corrects the second
predetermined distance to increase when the fog lamps
are ON than a value when the fog lamps are OFF.
Claim 41
Dependent Claim
34 words
The apparatus according to claim 35, characterized by further comprising alert means (50)
for informing a passenger of start of display by means
of a voice message prior to display of the overall
image.
Claim 42
Dependent Claim
51 words
The apparatus according to claim 41, characterized in that said display control means
corrects a delay time from an alert generation timing
by said alert means until the start of display of the
overall image on said display to be a time which
decreases with decreasing distance computed for the
obstacle.
Claim 43
Dependent Claim
68 words
The apparatus according to claim 41, characterized by further comprising: vehicle velocity detection means (45) for
detecting a vehicle velocity of the vehicle, and in
that said display control means corrects a delay time
from an alert generation timing by said alert means
until the start of display of the overall image on said
display to be a time which decreases with increasing
vehicle velocity of the vehicle.
References Cited (Backward Citations)
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