Mixing
How is the memory inside card chips read without a power source?
Clash Royale CLAN TAG#URR8PPP
up vote
2
down vote
favorite
When we use our debit cards or any card with a chip inside of it that gets immediately read when scanned, how is the memory inside the chip retrieved since the card isn't exactly "turned on" much like a standard computer?
memory embedded
asked 2 hours ago
J.Doe
162
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |Â
up vote
2
down vote
favorite
When we use our debit cards or any card with a chip inside of it that gets immediately read when scanned, how is the memory inside the chip retrieved since the card isn't exactly "turned on" much like a standard computer?
memory embedded
asked 2 hours ago
J.Doe
162
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
en.wikipedia.org/wiki/Radio-frequency_identification
– Máté Juhász
2 hours ago
add a comment |Â
up vote
2
down vote
favorite
up vote
2
down vote
favorite
When we use our debit cards or any card with a chip inside of it that gets immediately read when scanned, how is the memory inside the chip retrieved since the card isn't exactly "turned on" much like a standard computer?
memory embedded
asked 2 hours ago
J.Doe
162
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
When we use our debit cards or any card with a chip inside of it that gets immediately read when scanned, how is the memory inside the chip retrieved since the card isn't exactly "turned on" much like a standard computer?
memory embedded
memory embedded
asked 2 hours ago
J.Doe
162
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
J.Doe
162
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
J.Doe
162
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
J.Doe
162
asked 2 hours ago
J.Doe
162
162
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
J.Doe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
en.wikipedia.org/wiki/Radio-frequency_identification
– Máté Juhász
2 hours ago
add a comment |Â
en.wikipedia.org/wiki/Radio-frequency_identification
– Máté Juhász
2 hours ago
en.wikipedia.org/wiki/Radio-frequency_identification
– Máté Juhász
2 hours ago
en.wikipedia.org/wiki/Radio-frequency_identification
– Máté Juhász
2 hours ago
add a comment |Â
1 Answer
1
active
oldest
votes
up vote
5
down vote
accepted
You may find the answer in Wikipedia
Smart card - Contactless smart cards :
Contactless smart cards
A second card type is the contactless smart card, in which the card communicates with and is powered by the reader through RF induction technology (at data rates of 106–848 kbit/s). These cards require only proximity to an antenna to communicate. Like smart cards with contacts, contactless cards do not have an internal power source. Instead, they use an inductor to capture some of the incident radio-frequency interrogation signal, rectify it, and use it to power the card's electronics.
answered 2 hours ago
harrymc
239k10247531
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
5
down vote
accepted
You may find the answer in Wikipedia
Smart card - Contactless smart cards :
Contactless smart cards
A second card type is the contactless smart card, in which the card communicates with and is powered by the reader through RF induction technology (at data rates of 106–848 kbit/s). These cards require only proximity to an antenna to communicate. Like smart cards with contacts, contactless cards do not have an internal power source. Instead, they use an inductor to capture some of the incident radio-frequency interrogation signal, rectify it, and use it to power the card's electronics.
answered 2 hours ago
harrymc
239k10247531
add a comment |Â
up vote
5
down vote
accepted
You may find the answer in Wikipedia
Smart card - Contactless smart cards :
Contactless smart cards
A second card type is the contactless smart card, in which the card communicates with and is powered by the reader through RF induction technology (at data rates of 106–848 kbit/s). These cards require only proximity to an antenna to communicate. Like smart cards with contacts, contactless cards do not have an internal power source. Instead, they use an inductor to capture some of the incident radio-frequency interrogation signal, rectify it, and use it to power the card's electronics.
answered 2 hours ago
harrymc
239k10247531
add a comment |Â
up vote
5
down vote
accepted
up vote
5
down vote
accepted
You may find the answer in Wikipedia
Smart card - Contactless smart cards :
Contactless smart cards
A second card type is the contactless smart card, in which the card communicates with and is powered by the reader through RF induction technology (at data rates of 106–848 kbit/s). These cards require only proximity to an antenna to communicate. Like smart cards with contacts, contactless cards do not have an internal power source. Instead, they use an inductor to capture some of the incident radio-frequency interrogation signal, rectify it, and use it to power the card's electronics.
answered 2 hours ago
harrymc
239k10247531
You may find the answer in Wikipedia
Smart card - Contactless smart cards :
Contactless smart cards
A second card type is the contactless smart card, in which the card communicates with and is powered by the reader through RF induction technology (at data rates of 106–848 kbit/s). These cards require only proximity to an antenna to communicate. Like smart cards with contacts, contactless cards do not have an internal power source. Instead, they use an inductor to capture some of the incident radio-frequency interrogation signal, rectify it, and use it to power the card's electronics.
answered 2 hours ago
harrymc
239k10247531
answered 2 hours ago
harrymc
239k10247531
answered 2 hours ago
harrymc
239k10247531
answered 2 hours ago
harrymc
239k10247531
239k10247531
add a comment |Â
add a comment |Â
J.Doe is a new contributor. Be nice, and check out our Code of Conduct.
J.Doe is a new contributor. Be nice, and check out our Code of Conduct.
J.Doe is a new contributor. Be nice, and check out our Code of Conduct.
J.Doe is a new contributor. Be nice, and check out our Code of Conduct.
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fsuperuser.com%2fquestions%2f1363841%2fhow-is-the-memory-inside-card-chips-read-without-a-power-source%23new-answer', 'question_page');
);
Post as a guest
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
en.wikipedia.org/wiki/Radio-frequency_identification
– Máté Juhász
2 hours ago