Backup camera

Vehicle accessory

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Backup camera view on the navigation screen of a Lexus IS 250 Backup camera on a Volkswagen Golf Mk7 hidden inside the logo

A backup camera (also called a reversing camera or rear-view camera) is a video camera specifically designed to be attached to the rear of a vehicle to aid in reversing and reduce the rear blind spot. The rear blind spot has been described as a "killing zone" due to the accidents it contributes to.[1] Backup cameras are usually connected to the vehicle's head unit display. A common variant is a surround-view system, which assembles a synthetic but positionally accurate top-down view of the vehicle and its surroundings.

Backup cameras have been regulated by law in Canada and the United States since 2018. Since May of that year, backup cameras have been required on all new vehicles sold in the United States.[2]

## Function

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The design of a backup camera is distinct from other cameras because the image is horizontally flipped to produce a mirror image.[3] This is necessary because the camera and the driver face opposite directions; without this adjustment, the camera's right would be on the driver's left and vice versa. A mirrored image makes the orientation of the display consistent with the physical mirrors installed on the vehicle. A backup camera typically utilizes a wide-angle or fish-eye lens. Although such lenses may limit the camera's ability to capture distant objects, they allow the camera to see an uninterrupted horizontal path from one rear corner to the other. The camera is typically pointed at a downward angle to view potential obstacles on the ground.

Backup cameras use dashboard screens that are also used with GPS navigation systems. Inside the vehicle, the display is typically wired to automatically activate when the transmission is set to reverse, showing the backup view on the dashboard screen while the vehicle is in reverse and/or providing grid guidelines to aid the driver.

## Variations

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Different varieties of backup cameras for different applications:

* Aftermarket addition: Backup cameras can be added to vehicles that do not come with factory-fitted systems. They are available in both wired and wireless versions.
* Large vehicle system: For large vehicles such as motorhomes, camera systems with built-in servomechanisms allow the driver to remotely pan and tilt the camera.
* Wireless backup camera: These come with a wireless camera and receiver, which makes them easier and cheaper to install than wired versions.[3]
* Built-in audio intercom: Used in addition to the camera system for communicating with a spotter outside the vehicle, common when backing large trailers or launching boats.
* Night vision camera: Use a series of infrared lights for backing in the dark when the vehicle's white reverse lights are insufficient.

2013–2014 Honda Ridgeline rearview mirror backup camera with distance guidelines

* Portable or semi-permanent all-in-one camera system: Also known as dashboard cameras or dashcams, these are typically sold for vehicles that don't have displays permanently installed in the dashboard. Such systems consist of a small portable screen that can be affixed on the dashboard or on a rearview mirror, and a length of wire to reach the cameras, including a backup camera.
* Some backup and rear cameras are connected to displays on the rearview mirror and are used in vehicles to detect activity behind the car to "avoid the tooling, software, hardware, and testing costs associated with integrating the display/feature in other areas of the vehicle."
* License-plate-frame version: Permit installation without any permanent vehicle modifications.
* Custom camera: Brake light cameras combine a camera with brake light functionality. Some backup cameras also use LEDs surrounding the camera lens to illuminate the surroundings while in use.

## History

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The first backup camera was used in the 1956 Buick Centurion concept car,[4] presented in January 1956 at the General Motors Motorama. The vehicle had a rear-mounted television camera that sent images to a TV screen on the dashboard in place of the rear-view mirror.[5]

The 1972 Volvo Experimental Safety Car (VESC) also had a backup camera, but this feature did not make it into the subsequent Volvo 240 model.[6][7]

The first production automobile to incorporate a backup camera was the 1987 Toyota Crown, which was only available in Japan. The Toyota system used a color EMV screen with a rear-spoiler-mounted CCD camera.[8] In April 2000, Nissan's Infiniti division introduced the Rear View Monitor on the 2002 Infiniti Q45 flagship sedan. Using colored on-screen guidelines as a parking distance parameter, the Rear View Monitor operated from a license-plate-mounted camera in the trunk that transmitted a mirrored image to a 7-inch in-dash LCD screen. It was available as optional equipment at the North American launch in March 2001.[9][10] The 2002 Nissan Primera introduced the Rear View Monitor backup camera system to territories outside Japan and North America.

Aftermarket options for cars have been available for some time with electronics manufacturers offering multiple car upgrades that can be installed by professionals without replacing the car's center console.

## Others types of camera

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### Surround-view cameras

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Around View Monitor on a Nissan Elgrand

Infiniti introduced the first surround-view cameras, making the system available on the 2008 EX35 and marketing it as the Around View Monitor. The system used four cameras located at the front, back, and sides of the vehicle, feeding images to an image processing unit to create a synthetic but positionally accurate top-down view of the car and its surroundings. In most modern systems, the pictures appear in such detail that it's difficult to believe they were not taken from above the vehicle.[11][12]

Other manufacturers have since offered similar systems, such as Bird's Eye View Camera (Toyota) and Surround Vision (Chevrolet).

### Side mirror cameras

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First offered in October 2018, the Japanese market Lexus ES can be optioned with cameras as side view mirrors. This feature is also offered on the Audi Q8 e-tron and Hyundai Ioniq 5.[13]

### Wireless backup camera

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These advanced cameras do not require cables between the camera and the display, functioning remotely. They typically switch on automatically when the reverse gear is engaged. Some models used solar energy for power.[3] The display can be powered from the 12-volt socket on the car's dashboard, and some models sync directly with a mobile phone via an app.

### Blind spot monitors and other technology

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Honda's LaneWatch provides an 80° field of view that is displaced on the navigation screen with guidelines to help the driver judge distance behind the rear bumper of the vehicle.

Blind spot monitors may include "Cross Traffic Alert", which alerts drivers when traffic is approaching from the sides while backing out of a parking space.[14][15][16]

## Mandates

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The following countries have laws that mandate backup cameras for all new vehicles.

This list is incomplete; you can help by adding missing items. (December 2024)

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Country/Region | Deadline for compliance | Note | Ref

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United States | May 1, 2018 | Required for all vehicles under 10,000 pounds | [17]
Canada | May 1, 2018 | Required for all vehicles under 10,000 pounds (4536 kg) | [18]
Japan | May 1, 2022 |  | [19][20]
European Union | July 6, 2022 | Reversing camera or detection system is required. | [21][22]
Australia | November 1, 2025 | All new vehicles made from existing models will be required since 1 November 2027. | [23]

### United States and Canada

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In the United States, the Cameron Gulbransen Kids Transportation Safety Act of 2007[24] required the United States Department of Transportation to issue backup-collision-safety regulations within three years and require full compliance within four years after final rulemaking.[25]

The statutory deadline for issuing the final regulations was February 2011. However, the USDOT repeatedly extended the deadline to analyze costs and benefits of the requirement.[26] In September 2013, Greg Gulbransen, the father of the child after whom the law was named, along with a group of consumers and advocates, submitted a petition to the Second Circuit Court of Appeals, demanding that the USDOT implement regulations on backup cameras within 90 days.[27] About half of model year 2012 automobiles were equipped with backup cameras.[25][28]

On March 31, 2014, three years past its deadline, the U.S. National Highway Traffic Safety Administration announced that it would require all automobiles sold in the United States built beginning in May 2018 to include backup cameras.[29] On October 31, 2016, Transport Canada issued a similar mandate beginning at the same time.[18]

## See also

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* Automatic parking
* Blind spot monitor
* Collision avoidance system
* Experimental Safety Vehicle (ESV)
* Intelligent Parking Assist System
* Intelligent car
* Lane departure warning system
* Omniview technology
* Parking sensors

## Notes

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1. ^ "The danger of blind zones: The area behind your vehicle can be a killing zone". Consumer Reports. Consumers Union. March 2012. Retrieved August 10, 2013.
2. ^ Bomey, Nathan (May 2, 2018). "Backup cameras now required on new cars in the US". USA Today. Retrieved February 6, 2023.
3. ^ a b c "Best Wireless Backup Camera 2018 (Review) - Buyer's Guide". January 9, 2019. Archived from the original on March 6, 2019. Retrieved September 7, 2018.
4. ^ Florea, Ciprian (2021-02-20). "The Buick Centurion Was So Futuristic That It Had a Rear-View Camera in 1956". autoevolution. Retrieved 2023-02-13.
5. ^ "Buick Centurion". CNET. Retrieved August 21, 2013.
6. ^ "VESC: The Volvo Before Its Time". EuroSport Tuning. Archived from the original on 2021-12-26. Retrieved 2018-08-25.
7. ^ "Volvo - VESC". AllCarIndex.
8. ^ "TOYOTA MOTOR CORPORATION GLOBAL WEBSITE | 75 Years of TOYOTA | Technical Development | Electronics Parts".
9. ^ High Gear Media Staff. "2000 New York Auto Show, Part I". The Car Connection.
10. ^ "2002 Infiniti Q45 Sedan - Road Test - Motor Trend". Motor Trend Magazine. 1 May 2001.
11. ^ "Around View Monitor". blogs at cars.com. Archived from the original on 2010-11-23. Retrieved 2010-08-24.
12. ^ Nerad, Jack R. (October 16, 2002). "How Does Bird's Eye View Work in Cars?". J D Power.
13. ^ "Lexus ES Digital Outer Mirrors to be a world first".
14. ^ Ford Motor Company (2008). "See It, Hear It, Feel It: Ford Seeks Most Effective Driver Warnings for Active Safety Technology. Increased warnings indicate potentially hazardous lane changes". Gale, Cengage Learning/Free Library. Archived from the original on July 30, 2017. Retrieved August 11, 2013.
15. ^ Jensen, Christopher (August 18, 2009). "Are Blind Spots a Myth?". The New York Times. Retrieved August 9, 2013.
16. ^ Automobile Blind-Spot Monitoring System, Tri-City Insurance News, January 27, 2006 Archived December 13, 2009, at the Wayback Machine
17. ^ "NHTSA Announces Final Rule Requiring Rear Visibility Technology". U.S. Department of Transportation. March 31, 2014. Retrieved 2024-12-05.
18. ^ a b "Transport Canada making back-up cameras mandatory in new cars starting May 2018". CBC News. Canadian Press. Retrieved 1 November 2016.
19. ^ "Rearview cameras to become mandatory starting next May". Yomiuri Shimbun. June 18, 2021.
20. ^ "バックカメラシステムにおける装置型式指定（自マーク）を業界に先駆け第 1 号を取得" (PDF) (in Japanese). Retrieved 2024-12-05.
21. ^ "July 6th 2022 – Vehicle safety in Europe takes a giant leap forward". European Transport Safety Council. July 5, 2022. Retrieved 2024-12-05.
22. ^ "New safety features in your car". European Commission. 2019-03-25. Retrieved 2024-12-05.
23. ^ "Reversing technologies on new vehicles to save lives and prevent serious injuries on Australian roads". Department of Infrastructure, Transport, Regional Development, Communications and the Arts. 26 July 2023. Retrieved 2024-12-05.
24. ^ Pub. L. 110–189 (text) (PDF)
25. ^ a b "Government Backs Up On Rearview Car Cameras". National Public Radio. 2012-03-02. Retrieved 2012-04-20.
26. ^ Rowell, Arden (30 May 2012). "Valuing the Rear-view Camera Rule". The Regulatory Review.
27. ^ "As Death Toll Grows, Obama Administration's Transportation Department Sued for Failing to Issue Auto Safety Rule Mandated by Congress". Public Citizen.
28. ^ "Group Sues Transportation Dept. Over Rearview Camera Delays". Autoblog. AOL. 25 September 2013. Retrieved 2 November 2016.
29. ^ Woodyard, Chris (31 March 2014). "NHTSA to require backup cameras on all vehicles". USA Today. Retrieved 31 March 2014.

## External links

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Wikimedia Commons has media related to Backup camera.

* "The danger of blind zones The area behind your vehicle can be a killing zone". Consumer Reports. Consumers Union. March 2012. Retrieved August 10, 2013.

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