RFID key fob

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• Key fob — A key fob is a generally decorative and at times useful item many people often carry with their keys, on a ring or a chain, for ease of tactile identification, to provide a better grip, or to make a personal statement. Key fobs are often called… …   Wikipedia

• Key (lock) — A cut key A key is an instrument that is used to operate a lock. A typical key consists of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that… …   Wikipedia

• Owner compliance key — (OCK) is a patent pending automotive safety key or key fob which inhibits a driver s cellular phone functions whenever the vehicle s transmission is taken out of park. The device was designed to remedy the serious problem of cell phone driver… …   Wikipedia

• ExpressPay — Newer American Express credit cards come with a feature known as ExpressPay. Similar to Mastercard s PayPass and JPMorgan Chase s Blink, ExpressPay is a method of contactless payment, different from the standard magnetic stripe that has become… …   Wikipedia

• Security token — Several types of security tokens with a penny for scale …   Wikipedia

• MasterCard — Incorporated Type Public Traded as NYSE: MA S P 500 C …   Wikipedia

• Immobiliser — An immobiliser or immobilizer is an electronic device fitted to an automobile which prevents the engine from running unless the correct key (or other token) is present. This prevents the car from being hot wired after entry has been… …   Wikipedia

• Zutrittskontrolle — steuert den Zutritt über ein vom Betreiber festgelegtes Regelwerk „WER−WANN−WOHIN“, damit nur berechtigte Personen Zugang zu den für sie freigegebenen Bereichen in Gebäuden oder geschützten Arealen auf einem Gelände erhalten. Die… …   Deutsch Wikipedia

• Zutrittskontrollsystem — Zutrittskontrolle steuert den Zutritt über ein vom Betreiber festgelegtes Regelwerk „WER−WANN−WOHIN“, damit nur berechtigte Personen Zugang zu den für sie freigegebenen Bereichen in Gebäuden oder geschützten Arealen auf einem Gelände erhalten.… …   Deutsch Wikipedia

• Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

• Contactless payment — systems are credit cards and debit cards, key fobs, smartcards or other devices which use RFID for making secure payments. The embedded chip and antenna enable consumers to wave their card or fob over a reader at the point of sale. Some suppliers …   Wikipedia