WO2014100390A1 - Vehicular bifocal rear camera system - Google Patents
Vehicular bifocal rear camera system Download PDFInfo
- Publication number
- WO2014100390A1 WO2014100390A1 PCT/US2013/076498 US2013076498W WO2014100390A1 WO 2014100390 A1 WO2014100390 A1 WO 2014100390A1 US 2013076498 W US2013076498 W US 2013076498W WO 2014100390 A1 WO2014100390 A1 WO 2014100390A1
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- WO
- WIPO (PCT)
- Prior art keywords
- camera
- setup
- recited
- lens
- view
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
- B60R1/26—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/14—Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/101—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using cameras with adjustable capturing direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/108—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using 'non-standard' camera systems, e.g. camera sensor used for additional purposes i.a. rain sensor, camera sensor split in multiple image areas
Definitions
- FI G. 1 comprises a top schematic view of rear-view and backup camera viewing angles
- FI G. 2 comprises a side schematic view of rear-view and backup camera viewing angles
- FI G. 3 comprises a schematic view of an exemplary integrated rear-view and backup camera
- FI G. 4 comprises a schematic view of an exemplary lens system arrangement
- FI G. 5 comprises a schematic view of another exemplary lens system arrangement
- FI G. 1 comprises a top schematic view of rear-view and backup camera viewing angles
- FI G. 2 comprises a side schematic view of rear-view and backup camera viewing angles
- FI G. 3 comprises a schematic view of an exemplary integrated rear-view and backup camera
- FI G. 4 comprises a schematic view of an exemplary lens system arrangement
- FI G. 5 comprises a schematic view of another exemplary lens system arrangement
- FIG. 6 comprises a schematic view of an exemplary rear camera system.
- Skilled artisans will appreciate that elements in the figures are illustrated for simplicity and clarity and have not necessarily been drawn to scale. For example, the size dimensions and/or relative positioning of some of the elements in the figures may be exaggerated relative to other elements to help to improve understanding of various aspects of the present invention. Also, common but well-understood elements that are useful or necessary in a commercially feasible embodiment are often not depicted in order to facilitate a less obstructed view of these various aspects of the present invention. Furthermore, it will be appreciated that certain actions and/or steps may be described or depicted in a particular order of occurrence while those skilled in the art will understand that such specificity with respect to sequence is not actually required.
- Vehicular rear camera systems are specialized video camera systems configured to aid the driver to see areas behind the vehicle where direct view from the driver’s location is either obstructed by the vehicle or inconvenient for the driver to view directly. Although the systems are often referred to as“backup cameras”,“reversing cameras” and“rear-view cameras” interchangeably, the terms actually refer to two distinct functionalities. [0010] With reference to FI G. 1 and FI G.
- a“backup camera” or“reversing camera” connotes the system’s use for backing up a vehicle 100 where a view of objects proximate to the immediate rear of the vehicle is desirable. Accordingly, a backup camera typically produces a wide-angle somewhat downward view 104 of the area immediately behind the vehicle 100. Thus, if a rear-view mirror were present, a backup camera would typically serve only a complementary role.
- a “rear-view camera” connotes the system’s use as a replacement to the rear-view mirror thus typically producing a rather narrow view 102 in a generally lateral direction of objects at a considerable distance from the vehicle 100.
- rear-view cameras are often used where a rear-view mirror is ineffective because of lack of lateral clearance behind the driver, such as, for example, in trailer trucks, motorhomes, or in vehicles where the driver is situated low to the ground.
- I n applications where both the backup and the rear-view functionality is desired the need is often addressed by mounting two independent cameras, one backup and one rear-view each with a distinct field of view.
- the need for respectively the rear-view and the backup functionality typically arises under distinct circumstances. Consequently, a single camera integrating the two functionalities is desirable for cost, complexity, size or weight reduction reasons.
- one way of integrating the rear-view and backup functionalities is to pivot the camera 306 to a generally lateral direction 308 when the rear-view functionality is desired, for example when the reverse gear is disengaged, and to at least somewhat downward direction 310 when the backup functionality is desired, for example when the reverse gear is engaged. While adequate for some applications, for example when the camera is mounted in a relatively high location, where the field of view of the camera in either direction is sufficient, this solution may not be adequate for applications where the camera is mounted relatively close to the ground or where the differences in the field of view requirements are more pronounced. Consequently, a system for changing the field of view of the camera is desired.
- One way of changing the field of view of the camera is adjusting the lens system 300 from a long focal length setup 302 for distance vision 102 to a short focal length setup 304 for short distance vision 104.
- the lens system comprises two setups, the long distance 302, and the short distance 304, immediately adjacent another.
- the lens system comprises two setups, the long distance 302, and the short distance 304, at some distance from each other, for example to allow for greater radial separation.
- lens systems may include single lenses, compound lenses, filters, prisms, mirrors, or other optical elements, as well as any combinations of the foregoing.
- a rear camera system is contemplated where the camera 306 while pivoting from a rear-view direction 308 to a backup direction 310 also pivots from a long focal length setup 302 to a short focal length setup 304.
- additional setups may be added when additional fields of view, magnifications, directions or otherwise are desired, for example where a mid-range view is desired.
- the camera may be mounted in a still direction with the lens system providing the change in view direction. I t is also contemplated that the camera may move in modes other than pivoting, in directions other than up and down, or may align in more than two directions.
- the lens systems may also shift independently of camera movement, if any, to facilitate different views, fields of view, magnifications or otherwise.
- the rear camera system 600 comprises a controller 604 communicatively coupled to a camera/lens/actuator device 602.
- the camera/lens/actuator device 602 comprises a camera, a lens system, and an actuator.
- the lens system comprises at least two lens setups the first setup and the second setup.
- the camera is in a movable relationship with the lens system, such that the camera and the lens system are configured to be aligned at the first setup when rear-view mode is engaged and at the second setup when backup mode is engaged.
- the actuator is configured to engage each of the rear-view and the backup modes.
- the controller 604 comprises at least one processor 606 communicatively coupled to a computer readable medium 608, the computer readable medium not being a transient signal, the medium configured to store data or instructions executable by at least one processor for controlling the actuation each of the rear- view and the backup modes.
- the controller 604 is optionally communicatively coupled to a display 610, the display 610 configured to display images from the camera.
- the rear camera system is configured to be mounted to a vehicle. I n an aspect the rear camera system is mounted to a vehicle.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Closed-Circuit Television Systems (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Studio Devices (AREA)
Abstract
A rear camera system, and method, and an apparatus configured to provide at least a rear-view and a backup mode are described. The system comprises a controller communicatively coupled to the camera/lens/actuator device. The camera/lens/actuator device comprises a camera, a lens system, and an actuator. The lens system comprises at least two lens setups, a first setup configured for long distance vision and a second setup configured for short distance vision. The camera is in a movable relationship with the lens system, such that the camera and the lens system are configured to be aligned at the first setup when rear-view mode is engaged and at the second setup when backup mode is engaged. The actuator is configured to engage each of the rear-view and the backup modes.
Description
VEHICULAR BIFOCAL REAR CAMERA SYSTEM BRI EF DESCRI PTI ON OF THE DRAWI NGS [0001] For a more complete understanding of the disclosure, reference should be made to the following detailed description and accompanying drawings wherein: [0002] FI G. 1 comprises a top schematic view of rear-view and backup camera viewing angles; [0003] FI G. 2 comprises a side schematic view of rear-view and backup camera viewing angles; [0004] FI G. 3 comprises a schematic view of an exemplary integrated rear-view and backup camera; [0005] FI G. 4 comprises a schematic view of an exemplary lens system arrangement; [0006] FI G. 5 comprises a schematic view of another exemplary lens system arrangement; [0007] FI G. 6 comprises a schematic view of an exemplary rear camera system. [0008] Skilled artisans will appreciate that elements in the figures are illustrated for simplicity and clarity and have not necessarily been drawn to scale. For example, the size dimensions and/or relative positioning of some of the elements in the figures may be exaggerated relative to other elements to help to improve understanding of various aspects of the present invention. Also, common but well-understood elements that are useful or necessary in a commercially feasible embodiment are often not depicted in order to facilitate a less obstructed view of these various aspects of the present invention. Furthermore, it will be appreciated that certain actions and/or steps may be described or depicted in a particular order of occurrence while those skilled in the art will understand that such specificity with respect to sequence is not actually required. I t will also be understood that the terms and expressions used herein have the ordinary meaning as is accorded to such terms and expressions with respect to their corresponding
respective areas of inquiry and study except where specific meanings have otherwise been set forth herein. DETAI LED DESCRI PTI ON [0009] Vehicular rear camera systems are specialized video camera systems configured to aid the driver to see areas behind the vehicle where direct view from the driver’s location is either obstructed by the vehicle or inconvenient for the driver to view directly. Although the systems are often referred to as“backup cameras”,“reversing cameras” and“rear-view cameras” interchangeably, the terms actually refer to two distinct functionalities. [0010] With reference to FI G. 1 and FI G. 2, a“backup camera” or“reversing camera” connotes the system’s use for backing up a vehicle 100 where a view of objects proximate to the immediate rear of the vehicle is desirable. Accordingly, a backup camera typically produces a wide-angle somewhat downward view 104 of the area immediately behind the vehicle 100. Thus, if a rear-view mirror were present, a backup camera would typically serve only a complementary role. [0011] I n contrast, a “rear-view camera” connotes the system’s use as a replacement to the rear-view mirror thus typically producing a rather narrow view 102 in a generally lateral direction of objects at a considerable distance from the vehicle 100. Accordingly, rear-view cameras are often used where a rear-view mirror is ineffective because of lack of lateral clearance behind the driver, such as, for example, in trailer trucks, motorhomes, or in vehicles where the driver is situated low to the ground. [0012] I n applications where both the backup and the rear-view functionality is desired the need is often addressed by mounting two independent cameras, one backup and one rear-view each with a distinct field of view. However, the need for respectively the rear-view and the backup functionality typically arises under distinct circumstances. Consequently, a single camera integrating the two functionalities is desirable for cost, complexity, size or weight reduction reasons. [0013] With reference to FI G. 3, one way of integrating the rear-view and backup functionalities is to pivot the camera 306 to a generally lateral direction 308 when
the rear-view functionality is desired, for example when the reverse gear is disengaged, and to at least somewhat downward direction 310 when the backup functionality is desired, for example when the reverse gear is engaged. While adequate for some applications, for example when the camera is mounted in a relatively high location, where the field of view of the camera in either direction is sufficient, this solution may not be adequate for applications where the camera is mounted relatively close to the ground or where the differences in the field of view requirements are more pronounced. Consequently, a system for changing the field of view of the camera is desired. [0014] One way of changing the field of view of the camera is adjusting the lens system 300 from a long focal length setup 302 for distance vision 102 to a short focal length setup 304 for short distance vision 104. With reference to FI G. 4, in one example the lens system comprises two setups, the long distance 302, and the short distance 304, immediately adjacent another. [0015] With reference to FI G. 5, in another example, the lens system comprises two setups, the long distance 302, and the short distance 304, at some distance from each other, for example to allow for greater radial separation. I t should be understood that lens systems may include single lenses, compound lenses, filters, prisms, mirrors, or other optical elements, as well as any combinations of the foregoing. [0016] Accordingly, a rear camera system is contemplated where the camera 306 while pivoting from a rear-view direction 308 to a backup direction 310 also pivots from a long focal length setup 302 to a short focal length setup 304. Moreover, it is contemplated that additional setups may be added when additional fields of view, magnifications, directions or otherwise are desired, for example where a mid-range view is desired. Furthermore, it is contemplated that the camera may be mounted in a still direction with the lens system providing the change in view direction. I t is also contemplated that the camera may move in modes other than pivoting, in directions other than up and down, or may align in more than two directions. I n addition, it is also contemplated that the lens systems may also shift independently
of camera movement, if any, to facilitate different views, fields of view, magnifications or otherwise. [0017] With reference to FI G. 6, the rear camera system 600 comprises a controller 604 communicatively coupled to a camera/lens/actuator device 602. The camera/lens/actuator device 602 comprises a camera, a lens system, and an actuator. The lens system comprises at least two lens setups the first setup and the second setup. The camera is in a movable relationship with the lens system, such that the camera and the lens system are configured to be aligned at the first setup when rear-view mode is engaged and at the second setup when backup mode is engaged. The actuator is configured to engage each of the rear-view and the backup modes. The controller 604 comprises at least one processor 606 communicatively coupled to a computer readable medium 608, the computer readable medium not being a transient signal, the medium configured to store data or instructions executable by at least one processor for controlling the actuation each of the rear- view and the backup modes. The controller 604 is optionally communicatively coupled to a display 610, the display 610 configured to display images from the camera. I n an example, the rear camera system is configured to be mounted to a vehicle. I n an aspect the rear camera system is mounted to a vehicle. [0018] Those skilled in the art will recognize that a wide variety of modifications, alterations, and combinations can be made with respect to the above described embodiments without departing from the spirit and scope of the invention, and that such modifications, alterations, and combinations are to be viewed as being within the scope of the invention. Further, those skilled in the art will recognize that the approaches described herein may also be used in other vision and optical systems.
Claims
What is claimed is: 1. A rear camera apparatus comprising:
a camera; and
a lens system comprising at least two lens setups, a first setup configured for long distance vision, and a second setup configured for short distance vision; the camera being in a movable relationship with the lens system, such that the camera and the lens system are configured to be aligned at the first setup when rear-view mode is engaged and at the second setup when backup mode is engaged.
2. The apparatus as recited in claim 1 , wherein the rear-view mode is engaged when a vehicle’s reverse driving mode is disengaged.
3. The apparatus as recited in claim 1 , wherein the backup mode is engaged when a vehicle's reverse driving mode is engaged.
4. The apparatus as recited in claim 1 , wherein the camera is configured to align with lens system at one of the first and second setups.
5. The apparatus as recited in claim 1 , wherein the lens system is configured to align with the camera at one of the first and second setups.
6. The apparatus as recited in claim 1 , wherein the first setup is immediately adjacent the second setup.
7. The apparatus as recited in claim 1 , wherein the first setup is distal from the second setup.
8. The apparatus as recited in claim 1 , wherein the first setup is a relatively long focal length setup and the second setup is a relatively short focal length setup.
9. The apparatus as recited in claim 1 , further comprising an actuator
configured to align the camera with each of the first and the second setup.
10. A rear camera system comprising:
a controller communicatively coupled to the camera/lens/actuator device; the camera/lens/actuator device comprising a camera, a lens system, and an actuator;
the lens system comprising at least two lens setups, a first setup configured for long distance vision, and a second setup configured for short distance vision;
the camera being in a movable relationship with the lens system, such that the camera and the lens system are configured to be aligned at the first setup when rear-view mode is engaged and at the second setup when backup mode is engaged;
the actuator configured to engage each of the rear-view and the backup modes.
11. The rear camera system as recited in claim 10, wherein the controller
comprises at least one processor and a computer readable medium, the medium configured to store data or instructions executable by at least one processor for controlling the actuation of each of the rear-view and the backup modes.
12. The rear camera system as recited in claim 10, wherein the actuator is
configured to align the camera with the lens system at each one of the first and second setups.
13. The rear camera system as recited in claim 10, wherein the actuator is
configured to align the lens system with the camera at each one of the first and second setups.
14. The rear camera system as recited in claim 10, wherein the controller is
configured to command the engagement of the rear-view mode in response to disengagement of a vehicle's reverse driving mode.
15. The rear camera system as recited in claim 10, wherein the controller is
configured to command the engagement of the backup mode in response to engagement of a vehicle's reverse driving mode.
16. The rear camera system as recited in claim 10, wherein the first setup is a relatively long focal length setup and the second setup is a relatively short focal length setup.
17. The rear camera system as recited in claim 10, further comprising a display, the display configured to display images from the camera.
18. The rear camera system as recited in claim 10, further comprising a display, the display being communicatively coupled to the controller.
19. The rear camera system as recited in claim 10, further comprising a vehicle; wherein the controller and the camera/lens/actuator device are mounted to the vehicle.
20. The rear camera system as recited in claim 19, further comprising a display, the display configured to display images from the camera.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/726,081 | 2012-12-22 | ||
| US13/726,081 US20140176713A1 (en) | 2012-12-22 | 2012-12-22 | Vehicular bifocal rear camera system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014100390A1 true WO2014100390A1 (en) | 2014-06-26 |
Family
ID=50974186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2013/076498 Ceased WO2014100390A1 (en) | 2012-12-22 | 2013-12-19 | Vehicular bifocal rear camera system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20140176713A1 (en) |
| WO (1) | WO2014100390A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9880560B2 (en) * | 2013-09-16 | 2018-01-30 | Deere & Company | Vehicle auto-motion control system |
| US20150097953A1 (en) * | 2013-10-04 | 2015-04-09 | GM Global Technology Operations LLC | Deployable camera system |
| US9661280B2 (en) * | 2014-10-23 | 2017-05-23 | Honda Motor Co., Ltd. | Rearview obstruction camera system and associated method |
| JP2017087931A (en) * | 2015-11-09 | 2017-05-25 | 豊田合成株式会社 | Vehicle rear monitoring system |
| US10239456B1 (en) * | 2016-02-10 | 2019-03-26 | Ambarella, Inc. | Apparatus to adjust a field of view displayed on an electronic mirror using an automobile state or a driver action |
| SE541846C2 (en) | 2016-02-10 | 2019-12-27 | Scania Cv Ab | Method and control unit for rear view |
| CN110072734A (en) * | 2016-12-28 | 2019-07-30 | 株式会社小糸制作所 | Lamp and video camera integrated module |
| JP6607272B2 (en) * | 2018-03-02 | 2019-11-20 | 株式会社Ｊｖｃケンウッド | VEHICLE RECORDING DEVICE, VEHICLE RECORDING METHOD, AND PROGRAM |
| DE102023100586A1 (en) | 2023-01-12 | 2024-07-18 | Connaught Electronics Ltd. | Method for attaching a vehicle to a trailer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0830985A1 (en) * | 1996-09-19 | 1998-03-25 | RENAULT VEHICULES INDUSTRIELS Société dite: | Rear view device with camera for vehicle |
| EP0945305A1 (en) * | 1998-03-24 | 1999-09-29 | Renault Vehicules Industriels | View recognition system with camera, for industrial vehicle |
| JP2008054030A (en) * | 2006-08-24 | 2008-03-06 | Matsushita Electric Ind Co Ltd | Vehicle periphery monitoring device |
| KR100814761B1 (en) * | 2007-12-07 | 2008-03-19 | 주식회사 하이엘텍 | Car rearview camera |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6498620B2 (en) * | 1993-02-26 | 2002-12-24 | Donnelly Corporation | Vision system for a vehicle including an image capture device and a display system having a long focal length |
-
2012
- 2012-12-22 US US13/726,081 patent/US20140176713A1/en not_active Abandoned
-
2013
- 2013-12-19 WO PCT/US2013/076498 patent/WO2014100390A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0830985A1 (en) * | 1996-09-19 | 1998-03-25 | RENAULT VEHICULES INDUSTRIELS Société dite: | Rear view device with camera for vehicle |
| EP0945305A1 (en) * | 1998-03-24 | 1999-09-29 | Renault Vehicules Industriels | View recognition system with camera, for industrial vehicle |
| JP2008054030A (en) * | 2006-08-24 | 2008-03-06 | Matsushita Electric Ind Co Ltd | Vehicle periphery monitoring device |
| KR100814761B1 (en) * | 2007-12-07 | 2008-03-19 | 주식회사 하이엘텍 | Car rearview camera |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140176713A1 (en) | 2014-06-26 |
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