This document describes a mobile phone detector circuit that can sense activated mobile phones from 1.5 meters away. It uses a disk capacitor that acts as a small loop antenna to capture radio frequency signals from mobile phones. An op-amp converts the tiny current from the capacitor into a voltage that triggers an alarm when a phone is detected. The compact design makes it suitable for preventing phone use in places like exam halls or detecting unauthorized spying.
This handy, it can be used to prevent use of mobile phones in examination halls, confidential rooms and, etc. It is also useful for detecting the use of mobile phone for Spying and unauthorized video transmission. The circuit can detect the incoming calls pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cell phone from a distance of one and-a-half meters. So and also outgoing calls, SMS and video transmissions even if the mobile phone is kept in the silent mode. The moment the Bug detects RF transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases. The capacitor C3 should have a lead length of 18 mm with lead spacing of 8 mm. we have to carefully solder the capacitor in standing position with equal spacing of the leads. The response can be optimized by trimming the lead length of C3 for the desired frequency. We are using a short telescopic type antenna. The unit will give the warning indication if someone uses Mobile phone within a radius of 1.5 meters.
MOBILE BUG ; ACTIVE CELL PHONE DETECTOR USING CMOS & BIPOLAR TRANSISTORSShahrukh Javed
DESCRIPTION
Cell Phone Detector this handy, pocket-size mobile transmission detector can sense the presence of an activated mobile cell phone from a distance of one and-a-half meters.
The circuit can detect the incoming and outgoing calls, SMS and video transmission even if the mobile phone is kept in the silent mode. The moment the Bug detects RF (radio frequency transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases. This project provides a simple circuit to detect the presence of an activated cell phone by detecting these signals.
NOTE Circuit will not detect if the mobile is switched off.
TEAM MEMBER
SHAHRUKH JAVED
SYED MOULA
For more log on to: http://shahrukhjaved.webs.com/apps/blog/
E-mial: shahrukh.tjit14@gmail.com
DESIGN & WORKING OF A MOBILE PHONE DETECTORpgayatrinaidu
This handy mobile bug or cell phone detector, pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cellphone from a distance of one and-a-half metres. So it can be used to prevent use of mobile phones in examination halls, confidential rooms, etc. It is also useful for detecting the use of mobile phone for spying and unauthorised video transmission.
The circuit can detect both the incoming and outgoing calls, SMS and video transmission even if the mobile phone is kept in the silent mode. The moment the bug detects RF transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases.
This ppt explains mainly on scope of project is to sense the presence of an activated mobile phone from a distance of one-and-a-half meters to prevent the use of same in the examination halls with cell phone detector circuit diagram.
Edgefxkits.com has a wide range of electronic projects ideas that are primarily helpful for ECE, EEE and EIE students and the ideas can be applied for real life purposes as well.
http://www.edgefxkits.com/
Visit our page to get more ideas on popular electronic projects developed by professionals.
Edgefx provides free verified electronic projects kits around the world with abstracts, circuit diagrams, and free electronic software. We provide guidance manual for Do It Yourself Kits (DIY) with the modules at best price along with free shipping.
We provide you Project Cell Phone Detector.You can choose the best of your choice and interest from the list of topics we suggested. All new project ideas that are appearing focuses to improve the knowledge of Engineering students.
https://www.elprocus.com
Visit our page to get more ideas on Project Report Format for Final Year Engineering Students these ideas developed by professionals.
Elprocus provides free verified electronic projects kits around the world with abstracts, circuit diagrams, and free electronic software. We provide guidance manual for Do It Yourself Kits (DIY) with the modules at best price along with free shipping.
Minor Project Report: Automatic Door Control SystemSaban Kumar K.C.
This minor project is based on the automatic door control system used in a room or hall based on IR sensor. This project is applicable at such places where the people are busy and people are in large number.
This handy, it can be used to prevent use of mobile phones in examination halls, confidential rooms and, etc. It is also useful for detecting the use of mobile phone for Spying and unauthorized video transmission. The circuit can detect the incoming calls pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cell phone from a distance of one and-a-half meters. So and also outgoing calls, SMS and video transmissions even if the mobile phone is kept in the silent mode. The moment the Bug detects RF transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases. The capacitor C3 should have a lead length of 18 mm with lead spacing of 8 mm. we have to carefully solder the capacitor in standing position with equal spacing of the leads. The response can be optimized by trimming the lead length of C3 for the desired frequency. We are using a short telescopic type antenna. The unit will give the warning indication if someone uses Mobile phone within a radius of 1.5 meters.
MOBILE BUG ; ACTIVE CELL PHONE DETECTOR USING CMOS & BIPOLAR TRANSISTORSShahrukh Javed
DESCRIPTION
Cell Phone Detector this handy, pocket-size mobile transmission detector can sense the presence of an activated mobile cell phone from a distance of one and-a-half meters.
The circuit can detect the incoming and outgoing calls, SMS and video transmission even if the mobile phone is kept in the silent mode. The moment the Bug detects RF (radio frequency transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases. This project provides a simple circuit to detect the presence of an activated cell phone by detecting these signals.
NOTE Circuit will not detect if the mobile is switched off.
TEAM MEMBER
SHAHRUKH JAVED
SYED MOULA
For more log on to: http://shahrukhjaved.webs.com/apps/blog/
E-mial: shahrukh.tjit14@gmail.com
DESIGN & WORKING OF A MOBILE PHONE DETECTORpgayatrinaidu
This handy mobile bug or cell phone detector, pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cellphone from a distance of one and-a-half metres. So it can be used to prevent use of mobile phones in examination halls, confidential rooms, etc. It is also useful for detecting the use of mobile phone for spying and unauthorised video transmission.
The circuit can detect both the incoming and outgoing calls, SMS and video transmission even if the mobile phone is kept in the silent mode. The moment the bug detects RF transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases.
This ppt explains mainly on scope of project is to sense the presence of an activated mobile phone from a distance of one-and-a-half meters to prevent the use of same in the examination halls with cell phone detector circuit diagram.
Edgefxkits.com has a wide range of electronic projects ideas that are primarily helpful for ECE, EEE and EIE students and the ideas can be applied for real life purposes as well.
http://www.edgefxkits.com/
Visit our page to get more ideas on popular electronic projects developed by professionals.
Edgefx provides free verified electronic projects kits around the world with abstracts, circuit diagrams, and free electronic software. We provide guidance manual for Do It Yourself Kits (DIY) with the modules at best price along with free shipping.
We provide you Project Cell Phone Detector.You can choose the best of your choice and interest from the list of topics we suggested. All new project ideas that are appearing focuses to improve the knowledge of Engineering students.
https://www.elprocus.com
Visit our page to get more ideas on Project Report Format for Final Year Engineering Students these ideas developed by professionals.
Elprocus provides free verified electronic projects kits around the world with abstracts, circuit diagrams, and free electronic software. We provide guidance manual for Do It Yourself Kits (DIY) with the modules at best price along with free shipping.
Minor Project Report: Automatic Door Control SystemSaban Kumar K.C.
This minor project is based on the automatic door control system used in a room or hall based on IR sensor. This project is applicable at such places where the people are busy and people are in large number.
Now a days 90% of accidents happening due to silly reason of alcohol drinking. so we introduce this project for saftey of people and preventing accidents due to alcohol consumption.
Here is the presentation on Cell Phone Detectors which are widely used in sensitive places to monitor things. The project basically consists of a battery, speaker & LED( for output), sensors and amplifiers. The presentation talks about the most simple Cell phone detector which anyone can make or purchase for few bucks.
Hope this will help
The main feature of this power supply is, when no load is there it automatically switches off. It is a circuit which mainly act as a protector circuit and achieved through an arrangement of transistors and relay. Embedded system
requires a regulated power supply. This power supply circuit gives a variable regulated supply and switches off in no load condition.
Telecommunication line training report Indian RailwaysSURAJKMAURYA
Industrial training report On telecommunication line Indian railways
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GSM Based Fault Monitoring System (Project)Aishwary Verma
This is a modern technique of Monitoring of switchyard which is used in many other countries.
It will be useful for reducing requirement of manpower.
When a fault occurred a SMS will be sent to the registered mobile number detailing about type of fault and location of fault.
Now a days 90% of accidents happening due to silly reason of alcohol drinking. so we introduce this project for saftey of people and preventing accidents due to alcohol consumption.
Here is the presentation on Cell Phone Detectors which are widely used in sensitive places to monitor things. The project basically consists of a battery, speaker & LED( for output), sensors and amplifiers. The presentation talks about the most simple Cell phone detector which anyone can make or purchase for few bucks.
Hope this will help
The main feature of this power supply is, when no load is there it automatically switches off. It is a circuit which mainly act as a protector circuit and achieved through an arrangement of transistors and relay. Embedded system
requires a regulated power supply. This power supply circuit gives a variable regulated supply and switches off in no load condition.
Telecommunication line training report Indian RailwaysSURAJKMAURYA
Industrial training report On telecommunication line Indian railways
for the partial fulfillment of B.tech Degree in Electronics and communication Engineering
GSM Based Fault Monitoring System (Project)Aishwary Verma
This is a modern technique of Monitoring of switchyard which is used in many other countries.
It will be useful for reducing requirement of manpower.
When a fault occurred a SMS will be sent to the registered mobile number detailing about type of fault and location of fault.
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The ‘Empty Heart Syndrome’ is a newly described psychological phenomenon of the Chinese Gen Y. It is an interesting term as it highlights the current challenges that this group of young people is facing, especially the confusion with their identity formation. In this talk, we will explore the role of mobile Internet and its impact on their identity formation. We will also explore how we, as marketers, create valuable products and service experiences, and assist them in discovering a more full-hearted lifestyle.
Presentation of Kimo Quaintance about mobile privacy en mobile security at Mobile Convention Brussels 2014. During Mobile Convention Brussels we had an interview with Kimo. Watch it here: https://www.youtube.com/watch?v=syRKq8bC1ks
Watch the full session here: https://www.youtube.com/watch?v=um0Ga72xTJc
Mobile Convention is crossing borders, make sure to check our following events:
- Mobile Convention London: March 26th - www.mobileconventionlondon.uk
- Mobille Convention Amsterdam | June 4th 2015 | http://www.mobileconventionamsterdam.nl/
What it is: This is a circuit for a mobile transmission detector which can detect use of a mobile phone within the range of 1.5 meters. Whenever usage of mobile phone is detected such as calling or texting a beep alarm starts sounding and a led blinks.
Why it is: This handy, pocket-size mobile transmission detector can sense the presence of an activated mobile phone from a distance of one and a-half meters.
Where it is used: it can be used to prevent use of mobile phones in examination halls, confidential rooms, etc. It is also useful for detecting the use of mobile phone for spying and unauthorized video transmission.
Smart Autonomous Mobile detector RobotPunit Tiwari
SMART AUTONOMOUS MOBILE DETECTOR ROBOT
-This device can notice the use of GSM mobile phone in mobile restricted areas such as Examination hall or confidential rooms etc.
-It is just like a sniffer mobile that can sense the activity of mobile phone from a distance of 5 meters or more.
Smart Autonomous Mobile detector RobotPunit Tiwari
SMART AUTONOMOUS MOBILE DETECTOR ROBOT
-This device can notice the use of GSM mobile phone in mobile restricted areas such as Examination hall or confidential rooms etc..
-It is just like a sniffer mobile that can sense the activity of mobile phone from a distance of 5 meters or more.
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The modular approach design of this device provides the OEM’s the flexibility to use any type of sensors that match their application environment. For the current remote flow meter application,we can use ultrasonic sensor, AMR sensor or Hall Effect Sensor.
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2. Introduction
• This handy, pocket-size mobile transmission detector can
sense the presence of an activated mobile phone from
distance of one and- a-half metres. So it can be used to
prevent use of mobile phones in examination halls,
confidential rooms, etc. It is also useful for detecting the use
of mobile phone for spying and unauthorised video
transmission.
• The circuit can detect both the incoming and outgoing calls,
SMS and video transmission even if the mobile phone is kept
in the silent mode. The moment the bug detects RF
transmission signal from an activated mobile phone, it starts
sounding a beep alarm and the LED blinks. The alarm
continues until the signal transmission ceases.
3. • An ordinary RF detector using tuned LC
circuits is not suitable for detecting signals in
the GHz frequency band used in mobile
phones. The transmission frequency of mobile
phones ranges from 0.9 to 3 GHz with a
wavelength of 3.3 to 10 cm. So a circuit
detecting gigahertz signals required for a
mobile bug.
5. working
• the circuit uses a 0.22μF disk capacitor (C3) to capture the RF
signals from the mobile phone. The lead length of the capacitor is
fixed as 18 mm with a spacing of 8 mm between the leads to get
the desired frequency. The disk capacitor along with the leads acts
as a small gigahertz loop antenna to collect the RF signals from the
mobile phone.
• Op-amp IC CA3130 (IC1) is used in the circuit as a current-to-voltage
converter with capacitor C3 connected between its inverting and
non-inverting inputs. It is a CMOS version using gate-protected pchannel MOSFET transistors in the input to provide very high input
impedance, very low input current and very high speed of
performance . The output CMOS transistor is capable of swinging
the output voltage to within 10 mV of either supply voltage
terminal.
6. • Capacitor C3 in conjunction with the lead inductance acts as a
transmission line that intercepts the signals from the mobile phone.
This capacitor creates a field, stores energy and transfers the stored
energy in the form of minute current to the inputs of IC1.This will
upset the balanced input of IC1 and convert the current into the
corresponding out put voltage.
• Capacitor C4 along with high-value resistor R1 keeps the noninverting input stable for easy swing of the output to high state.
Resistor R2 provides the discharge path for capacitor C4.Feedback
resistor R3 makes the inverting input high when the output
becomes high. Capacitor C5 (47pF) is connected across ‘strobe’ (pin
8) and ‘null’ inputs (pin 1) of IC1 for phase compensation and gain
control to optimise the frequency response.
7. • When the mobile phone signal is detected by C3, the output of IC1
becomes high and low alternately according to the frequency of the
signal as indicated by LED1. This triggers monostable timer IC2
through capacitor C7. Capacitor C6 maintains the base bias of
transistor T1 for fast switching action. The low-value timing
components R6 and C9 produce very short time delay to avoid
audio nuisance.
• Assemble the circuit on PCB and enclose in a small box like junk
mobile case. As mentioned earlier, capacitor C3 should have a lead
length of 18 mm with lead spacing of 8 mm. Carefully solder the
capacitor in standing position with equal spacing of the leads. The
response can be optimised by trimming the lead length of C3 for
the desired frequency. You may use a short telescopic type antenna.
Use the miniature 12V battery of a remote control and a small
buzzer to make the gadget pocket-size. The unit will give the
warning indication if someone uses mobile phone within a radius of
1.5 metres
8. Application
• It can be used to prevent use of mobile phones in
examination halls, confidential rooms, etc.
• It is also useful for detecting the use of mobile
phone for spying and unauthorized video
transmission.
• It is useful where the use of mobile phone is
prohibited like petrol pumps and gas stations,
historical places, religious places and court of
laws.
9. CONCLUSION
• This pocket-size mobile transmission detector or sniffer can
sense the presence of an activated mobile cell phone from a
distance of one and-a-half meters. So it can be used to
prevent use of mobile phones in examination halls,
confidential rooms, etc. It is also useful for detecting the use
of mobile phone for spying and unauthorized video
transmission.
FUTURE SCOPE
• Trying to increase the detecting range of cell phone detector
to few more meters for observing wide range of area.