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  2. Apollo Guidance Computer - Wikipedia

    en.wikipedia.org/wiki/Apollo_Guidance_Computer

    24 in × 12.5 in × 6.5 in (61 cm × 32 cm × 17 cm) The Apollo Guidance Computer (AGC) was a digital computer produced for the Apollo program that was installed on board each Apollo command module (CM) and Apollo Lunar Module (LM). The AGC provided computation and electronic interfaces for guidance, navigation, and control of the spacecraft. [3]

  3. Apollo PGNCS - Wikipedia

    en.wikipedia.org/wiki/Apollo_PGNCS

    Apollo Command Module primary guidance system components Apollo Lunar Module primary guidance system components Apollo Inertial Measurement Unit. The Apollo primary guidance, navigation, and control system (PGNCS, pronounced pings) was a self-contained inertial guidance system that allowed Apollo spacecraft to carry out their missions when communications with Earth were interrupted, either as ...

  4. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s – this replaced rotary dialing, that had been developed for ...

  5. Remote keyless system - Wikipedia

    en.wikipedia.org/wiki/Remote_keyless_system

    A remote control for a keyless entry system built into an ignition key: pressing a button on the key unlocks the car doors, while another button locks the car and activates its alarm system. A remote keyless system (RKS), also known as remote keyless entry (RKE) or remote central locking, is an electronic lock that controls access to a building ...

  6. Apollo Abort Guidance System - Wikipedia

    en.wikipedia.org/wiki/Apollo_Abort_Guidance_System

    Apollo Abort Guidance System. Abort Guidance System keypad (DEDA) in Apollo 11 Lunar Module (LM-5) on the way to the Moon. The Apollo Abort Guidance System (AGS, also known as Abort Guidance Section) was a backup computer system providing an abort capability in the event of failure of the Lunar Module's primary guidance system (Apollo PGNCS ...

  7. Resistor–transistor logic - Wikipedia

    en.wikipedia.org/wiki/Resistor–transistor_logic

    Resistor–transistor logic (RTL), sometimes also known as transistor–resistor logic (TRL), is a class of digital circuits built using resistors as the input network and bipolar junction transistors (BJTs) as switching devices. RTL is the earliest class of transistorized digital logic circuit; it was succeeded by diode–transistor logic (DTL ...

  8. Lunar Landing Research Vehicle - Wikipedia

    en.wikipedia.org/wiki/Lunar_Landing_Research_Vehicle

    The Bell Aerosystems Lunar Landing Research Vehicle (LLRV, nicknamed the Flying Bedstead) [1] was a Project Apollo era program to build a simulator for the Moon landings.The LLRVs were used by the FRC, now known as the NASA Armstrong Flight Research Center, at Edwards Air Force Base, California, to study and analyze piloting techniques needed to fly and land the Apollo Lunar Module in the Moon ...

  9. Modular Equipment Transporter - Wikipedia

    en.wikipedia.org/wiki/Modular_Equipment_Transporter

    The Modular Equipment Transporter (MET) was a two-wheeled, hand-pulled vehicle that was used as an equipment hauling device on traverses across the lunar surface. Designed after Apollo 12 astronauts Pete Conrad and Alan Bean had difficulties lugging their equipment significant distances to and from their Lunar Module, the MET primarily ...

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