- SECOM Tips
- May. 5, 2024
What is Analog Camera? Advantages, Disadvantages and Principle of Operation
Security and confidentiality issues are always of concern and focus in all times, especially when theft continues and is a painful problem for modern society. Therefore, the birth of security cameras such as Analog Camera is considered the most optimal solution today. Possessing many outstanding features, the Analog Camera system will help users promptly detect unusual activities within the monitoring scope. So what exactly is an Analog camera? Let’s find out with SECOM through the article below.
Learn about what is an Analog Camera?
What Analog Camera? Analog camera is a surveillance camera device with a CCD sensor and then digitizes the image for processing. Before transmitting images, this device needs to convert the signal back to analog and transmit it to an analog device such as a storage device or monitor, etc. But before transmitting the image, it must convert converted into analog signals and transmitted to analog signal receivers such as TVs, video recorders, etc.
Unlike IP Camera systems, Analog Cameras do not have an integrated web interface and cannot access an internet connection independently. Therefore, if you want to watch over the internet, you need a video recorder or analog video card.
This is a smart camera system that monitors activities and movements through sound and images. Using and installing an Analog Camera system is an effective anti-theft solution, helping users easily detect unusual activities and prevent the risk of unauthorized intrusion by accessing data through the camera. .
Analog camera systems are very popular, second only to IP cameras. The biggest difference between these two camera lines is that Analog cameras must come with an image transfer device such as a recording card or Analog video recorder to operate effectively.
Advantages and disadvantages of Analog Camera
Analog Camera technology brings security and privacy to the home. So what are the advantages and disadvantages of Analog Cameras? Below are some of the most general reviews.
Advantage
Analog Camera surveillance system possesses the following outstanding advantages:
Sharp image quality: Analog Camera system has a CCD sensor that allows the transmission of quality images in many different lighting and motion conditions. In addition, the camera’s digital video recorder (DVR) is equipped with hardware and software to compress the Analog signal. Therefore, the camera’s image transmission speed is quite good.
Standard cabling system: Balun converter included in Analog Camera allows data and image transmission over 1 kilometer on standard Cat. 5e.
Safe image transmission: Analog Camera images will be transmitted smoothly without any network problems or interference from surrounding influences.
High security: Analog cameras are designed with the ability to effectively prevent viruses or software attacks. Therefore, all images and data will be kept safe, without worrying about information being leaked.
Maintainability of Analog Camera: Analog Camera system does not have an IP address to manage. Therefore, users do not have to worry about software, programming or management skills.
Defect
Despite possessing many outstanding advantages, Analog Camera still has some limitations that need to be overcome, including:
Regarding image quality: Currently, Analog Cameras are not compatible with image standards higher than NTSC/PAL (525–625 scan lines/frame, 25-30 frames/second).
About the cable system: Analog Camera installation requires a bulky coaxial cable system and must be equipped with an accompanying power source.
What components does the Analog Camera system consist of?
For the Analog Camera surveillance system to operate optimally, the parts in the camera must coordinate closely with each other. So what are the components of an Analog Camera?
Camera
This is an essential component for image collection, motion monitoring, and online surveillance. Analog Camera includes: camera eye, optical lens, motherboard, power source, image sensor and casing. Depending on the design, Analog Cameras can zoom, rotate and tilt.
Adaptor
The adapter has the function of converting power from 220V to 12V. From there, it helps security surveillance cameras effectively.
DVR
DVR has the ability to convert Analog signals from cameras, collect recorded images for convenient processing, observation and management. Each DVR recorder will undertake different functions, specifically:
- Video Input: Capture input signals.
- Video Output: Play videos and images to TV, phone or laptop.
- Audio Input: audio input.
- Audio Output: audio output.
- RJ45: Video and image exchange port via WIFI.
Hard drive video recorder
This is the part used to organize, store and manage videos and images recorded by the camera. However, some Analog Camera lines often have a situation where the recorder freezes or does not recognize the hard drive. To overcome this problem, users should choose to buy a hard drive that matches the camera’s DVR.
Wire
The power cord plays the role of providing a stable power source so that monitoring from the camera system can take place at its best.
Jack connection
Normally, Analog Cameras have 2 types of connection jacks: BNC and RJ45. In there:
- BNC: Responsible for connecting the recorder to the camera.
- RJ45: Responsible for connecting the modem to the recorder, allowing users to easily observe remotely.
Operating principle of Analog Camera system
After understanding the advantages and disadvantages as well as the necessary parts that make up the Analog Camera system, many people are probably interested in how this camera line operates. So what is the operating principle of Analog cameras? Specifically, after the camera captures the image, it will begin processing through the chip set to convert it into digital data. Next, the system will transfer data to the recorder using a coaxial cable.
Through this data transmission activity, users can directly view images and videos through the screen connected to the DVR recorder with an HDMI cable. Besides, the Adapters in the Analog Camera will provide power for the system to operate effectively. In addition, to prevent risks of electrical incidents in the system, users can have a UPS available as a backup power source when necessary.
Classification of Analog Cameras
Currently, Analog Camera lines are classified based on the characteristics and features of each system. Below are some of the most popular Analog Camera lines today:
Universal camera
This is the most used security camera line on the market. The camera has a resolution of 2.0MP – 5.0MP at a low price. Therefore, this type of camera is very suitable for installation in homes or stores.
Anti-backlight camera
The camera is integrated with anti-backlight technology to help distribute light and create sharp frames. From there, users can clearly observe objects in the camera without worrying about the image being dark.
The camera has color at night
Typically, night color cameras are integrated with starlight imaging sensors (StarLight Camera). Thanks to that, users will be able to observe videos and images with true colors even in low light environments.
Camera Zoom
This type of camera can change the magnification focus, zoom images, and move far/close. Normally, Zoom cameras will have two focal length parameters: minimum and maximum.
PTZ speed dome camera
The camera line has integrated zoom and smart 3600 rotation mode. Therefore, PTZ speed dome cameras can automatically monitor objects effectively.
Alarm camera
Analog cameras are designed with additional warning features when detecting unusual signs such as theft, illegal intrusion… From there, users can rely on the alarm sound to easily identify and take measures. measures to prevent and handle promptly.
Infrared camera
The infrared camera is equipped with LED lights, and also has additional CCD and CMOS sensors. Therefore, the camera has the ability to illuminate and observe at a distance, allowing users to observe objects in dark conditions.
The camera has a built-in mic
In addition to the ability to store images and videos, cameras with integrated mics can also record sound in the monitoring area. Therefore, users will have more relevant facts and information at the time of observation. From there, you can better understand the situation and events that are happening to take appropriate preventive measures.
Technology integrated in current Analog Camera systems
After understanding what types of Analog Cameras are, let’s explore the technologies integrated in this device. Currently, security monitoring technology has made new breakthroughs. In particular, the Analog Camera system is integrated with some of the following advanced technologies:
- HD – TVI technology in Analog Camera: Transmits high quality images via coaxial cable. This technology allows signal transmission up to 500m, high resolution (1.0MP – 12.0MP), thereby helping users see images and hear clear sound.
- HD – CVI technology in Analog Camera: Transmits sharp images and sound via coaxial cable. This technology is capable of exchanging two-way signals, transmitting high-quality images at a maximum distance of 500m.
- AHD technology in Analog Camera: Allows images to be transmitted in Full HD quality via coaxial cable. Besides, this technology also helps videos transmit without delay, increasing compatibility with other recorders. AHD technology does not focus on image compression, so the processing speed of the chip and camera recorder will be faster. In addition, AHD technology in Analog Cameras also has the ability to filter advanced signals and reduce noise.
Should you install an Analog Camera system?
In general, Analog Camera systems help users easily control the security status of their home or business. From there, it is possible to promptly detect and retrieve images of unusual activities. Therefore, if users are concerned about privacy and safety of their family, company, or factory, they can consider installing Analog Cameras.
However, users should choose quality, genuine surveillance cameras at reputable businesses. At the same time, it is necessary to understand safety measures when installing a smart Analog Camera system.
Note when installing Analog Camera system
To protect the safety of your living and working space, here are some notes when installing an Analog Camera system:
- Determine the camera brand: You should choose an Analog Camera with a clear origin, do not choose floating, unlabeled cameras to avoid technical errors during use.
- Determine where the camera needs to be installed: Choosing the appropriate installation location will help the surveillance camera system maximize its effectiveness. For example, if installing cameras at a company or factory, consider using high-quality equipment that can work well day and night. In case of using home surveillance cameras, install them in high areas such as ceilings to be able to observe a wide area.
- Choose a reputable camera installation unit: In addition to the above factors, users should also look for reputable and professional camera installation units to ensure the system operates stably and limit technical errors during the process use.
SECOM – Consulting and installation of reputable surveillance camera systems
If you are looking for a reputable unit specializing in providing quality surveillance camera system installation solutions, SECOM is a choice worth considering. With more than 60 years of experience operating in the field of security solution consulting, we are committed to providing customers with optimal service, quality solutions at good prices on the market.
When choosing SECOM as a security camera installation solution consultant, you will be guaranteed:
- Support equipment planning and advise on appropriate camera installation locations to serve security needs with all knowledge and experience in the field, bringing the highest security efficiency to customers.
- Support consulting on how the system operates and choosing the appropriate system supervisor.
- Warranty support after the transaction ends, ensuring the security camera system maximizes its anti-theft effectiveness. In addition, SECOM staff is ready to assist when a system problem occurs.
The above article has provided complete information related to Analog camera systems. Hopefully through the above information, customers will clearly understand what an Analog Camera is as well as the advantages and disadvantages of the device, thereby having more options to increase security and safety for living and working spaces. If you are looking for security solutions with surveillance cameras, contact SECOM today for dedicated advice.
