EP0899580A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Target locating system and approach guidance system
Assignee: Toshiba Corp
•
Filing: 1998-08-25
•
Granted: —
•
Expires: 2018-08-25
Abstract
Abstract The invention comprises a milli-wave radar system (11) for obtaining first target position information of a flying object (21) by capturing and tracking the flying object from a maximum detection distance, a stereo-camera system (12) for taking over the tracking of the flying object (21) in the vicinity of a landing point by acquiring the first target position information of the flying object from the milli-wave radar system (11), and obtaining second target position information having higher precision than the first target position information, and a controller (13) for managing the first target position information of the milli-wave radar system (11) and the second target position information of the stereo-camera system (12), controlling the milli-wave radar system (11) to capture and track the flying object (21) to the vicinity of the landing point, and controlling the stereo-camera system (12) to capture and track the flying object (21) at the time of landing of the flying object.
Inventors
- 👤 Naoki KABUSHIKI KAISHA TOSHIBA Hosaka
- 👤 Masaaki KABUSHIKI KAISHA TOSHIBA Chiba
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 16:50
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/72; G01C; G01C3/00; G01C3/10; G01S13/86; G01S13/867; G01S13/88; G01S13/91; G01S13/913; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; G01S3/7864; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0676; H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/16; H01Q3/20
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
155 words
A target locating system characterized by
comprising: a milli-wave radar system (11) for obtaining first
target position information of a flying object being
about to land, by capturing and tracking the flying
object from a maximum detection distance; a stereo-camera system (12) for taking over the
tracking of the flying object in the vicinity of a
landing point by acquiring the first target position
information of the flying object from the milli-wave
radar system, and obtaining second target position
information having higher precision than the first
target position information; and a controller (13) for managing the first target
position information of the milli-wave radar system and
the second target position information of the stereo-camera
system, controlling the milli-wave radar system
to capture and track the flying object to the vicinity
of the landing point, and controlling the stereo-camera
system to capture and track the flying object at the
time of landing of the flying object.
Claim 2
Dependent Claim
27 words
The target locating system according to
claim 1, characterized in that the milli-wave radar
system and the stereo-camera system are mounted on a
single gimbal structure (41).
Claim 3
Dependent Claim
39 words
The target locating system according to
claim 1, characterized in that the stereo-camera system
comprises at least first and second cameras (12a, 12b),
and the first and second cameras are arranged
symmetrical with respect to the milli-wave radar system.
Claim 4
Dependent Claim
37 words
The target locating system according to
claim 2, characterized in that the stereo-camera system
comprises at least first and second cameras, and the
first and second cameras are arranged symmetrical with
respect to the milli-wave radar system.
Claim 5
Dependent Claim
24 words
The target locating system according claim 1,
characterized in that a target tracking system of the
milli-wave radar system is a conical tracking system.
Claim 6
Dependent Claim
28 words
The target locating system according to
claim 1, characterized in that a target tracking system
of the milli-wave radar system is an antenna rotary
type conical tracking system.
Claim 7
Dependent Claim
31 words
The target locating system according to
claim 1, characterized in that the milli-wave radar
system is an electronic scan type antenna and the
stereo-camera system has a wide field of view.
Claim 8
Dependent Claim
98 words
The target locating system according to
claim 1, characterized in that the milli-wave radar
system is a conical scan type antenna system connected
to a transmission/reception system (112) and comprising
a primary radiator (111) for transmitting and receiving
an antenna beam and a reflector (114), situated
opposite to a radiation surface of the antenna beam
(121) from the primary radiator, for reflecting
the antenna beam, wherein the reflector is angularly
offset from an antenna visual line (123) to incline
the antenna beam, and the reflector is rotated about
the antenna visual line to conically scan the antenna
beam.
Claim 9
Dependent Claim
35 words
The target locating system according to
claim 8, characterized in that a feed line (113)
extending from the transmission/reception system to the
primary radiator avoids passing through a rotary unit
(115) for rotating the reflector.
Claim 10
Dependent Claim
51 words
The target locating system according to
claim 8, characterized in that a feed line extending
from the transmission/reception system to the primary
radiator is passed from the outside of the reflector to
a reflection surface of the reflector, such that the
feed line may not interfere with rotation of the
reflector.
Claim 11
Dependent Claim
56 words
The target locating system according to
claim 8, characterized in that the transmission/reception
system is disposed behind a rear face of
the reflector, and a feed line extending from the
transmission/reception system to the primary radiator
is passed from the transmission/reception system to a
reflection surface of the reflector beyond a peripheral
portion of the reflector.
Claim 12
Dependent Claim
48 words
The target locating system according to
claim 8, characterized in that the reflector has a
through-hole (131) at a rotational axis thereof, and a
feed line extending from the transmission/reception
system to the primary radiator is passed from the
transmission/reception system to the primary radiator
through the through-hole.
Claim 13
Dependent Claim
229 words
An approach guidance system characterized by
comprising: a target locating system including a milli-wave
radar system (11) for obtaining first target position
information of a flying object being about to land, by
capturing and tracking the flying object from a maximum
detection distance, a stereo-camera system (12) for
taking over the tracking of the flying object in the
vicinity of a landing point by acquiring the first
target position information of the flying object from
the milli-wave radar system, and obtaining second
target position information having higher precision
than the first target position information, and a
controller (13) for managing the first target position
information of the milli-wave radar system and the
second target position information of the stereo-camera
system, controlling the milli-wave radar system to
capture and track the flying object to the vicinity of
the landing point, and controlling the stereo-camera
system to capture and track the flying object at the
time of landing of the flying object; and a control apparatus (32) for guiding the flying
object which is a target to the vicinity of the landing
point on the basis of the first target position
information output from the milli-wave radar system of
the target locating system, and guiding the flying
object to the landing point on the basis of the second
target position information output from the stereo-camera
system of the target locating system.
Claim 14
Dependent Claim
27 words
The approach guidance system according to
claim 13, characterized in that the milli-wave radar
system and the stereo-camera system are mounted on a
single gimbal structure (41).
Claim 15
Dependent Claim
39 words
The approach guidance system according to
claim 13, characterized in that the stereo-camera
system comprises at least first and second cameras
(12a, 12b), and the first and second cameras are
arranged symmetrical with respect to the milli-wave
radar system.
Claim 16
Dependent Claim
37 words
The approach guidance system according to
claim 14, characterized in that the stereo-camera
system comprises at least first and second cameras, and
the first and second cameras are arranged symmetrical
with respect to the milli-wave radar system.
Claim 17
Dependent Claim
25 words
The approach guidance system according to
claim 13, characterized in that a target tracking
system of the milli-wave radar system is a conical
tracking system.
Claim 18
Dependent Claim
28 words
The approach guidance system according to
claim 13, characterized in that a target tracking
system of the milli-wave radar system is an antenna
rotary type conical tracking system.
Claim 19
Dependent Claim
31 words
The approach guidance system according to
claim 13, characterized in that the milli-wave radar
system is an electronic scan type antenna and the
stereo-camera system has a wide field of view.
Claim 20
Dependent Claim
98 words
The approach guidance system according to
claim 14, characterized in that the milli-wave radar
system is a conical scan type antenna system connected
to a transmission/reception system (112) and comprising
a primary radiator (111) for transmitting and receiving
an antenna beam and a reflector (114), situated opposite
to a radiation surface of the antenna beam (121)
from the primary radiator, for reflecting the antenna
beam, wherein the reflector is angularly offset from an
antenna visual line (123) to incline the antenna beam,
and the reflector is rotated about the antenna visual
line to conically scan the antenna beam.
Claim 21
Dependent Claim
35 words
The approach guidance system according to
claim 20, characterized in that a feed line (113)
extending from the transmission/reception system to the
primary radiator avoids passing through a rotary unit
(115) for rotating the reflector.
Claim 22
Dependent Claim
51 words
The approach guidance system according to
claim 20, characterized in that a feed line extending
from the transmission/reception system to the primary
radiator is passed from the outside of the reflector to
a reflection surface of the reflector, such that the
feed line may not interfere with rotation of the
reflector.
Claim 23
Dependent Claim
56 words
The approach guidance system according to
claim 20, characterized in that the transmission/reception
system is disposed behind a rear face of
the reflector, and a feed line extending from the
transmission/reception system to the primary radiator
is passed from the transmission/reception system to a
reflection surface of the reflector beyond a peripheral
portion of the reflector.
Claim 24
Dependent Claim
47 words
The approach guidance system according to
claim 20, characterized in that the reflector has
a through-hole at a rotational axis thereof, and a
feed line extending from the transmission/reception
system to the primary radiator is passed from the
transmission/reception system to the primary radiator
through the through-hole.
Claim 25
Dependent Claim
81 words
A conical scan type antenna system connected
to a transmission/reception system and comprising a
primary radiator for transmitting and receiving an
antenna beam and a reflector, situated opposite to
a radiation surface of the antenna beam of the primary
radiator, for reflecting the antenna beam, characterized in that the reflector (114) is
angularly offset from an antenna visual line (123) to
incline the antenna beam, and the reflector is rotated
about the antenna visual line to conically scan the
antenna beam.
Claim 26
Dependent Claim
39 words
The conical scan type antenna system according
to claim 25, characterized in that a feed line (113)
extending from the transmission/reception system (112)
to the primary radiator (111) avoids passing through a
rotary unit (115) for rotating the reflector.
Claim 27
Dependent Claim
53 words
The conical scan type antenna system according
to claim 25, characterized in that a feed line
extending from the transmission/reception system to
the primary radiator is passed from the outside of
the reflector to a reflection surface of the reflector,
such that the feed line may not interfere with rotation
of the reflector.
Claim 28
Dependent Claim
58 words
The conical scan type antenna system according
to claim 25, characterized in that the transmission/reception
system is disposed behind a rear face of
the reflector, and a feed line extending from the
transmission/reception system to the primary radiator
is passed from the transmission/reception system to a
reflection surface of the reflector beyond a peripheral
portion of the reflector.
Claim 29
Dependent Claim
50 words
The conical scan type antenna system according
to claim 25, characterized in that the reflector has
a through-hole (131) at a rotational axis thereof, and
a feed line extending from the transmission/reception
system to the primary radiator is passed from the
transmission/reception system to the primary radiator
through the through-hole.
References Cited (Backward Citations)
No citation records indexed.
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