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Casio CD-401, one of the first Data Bank watches from 1983 A Casio DBC-610 Databank calculator watch Casio DBA-800 Databank, the world's first phone dialer watch. Casio Databank (often styled as CASIO DATA BANK) is a series of digital watches and electronic personal organizers manufactured by Casio. The watches allow data storage for names and ...
Secure access control such as for company entry and exit, home access, cars, and electronic devices was the first use of smart rings. Smart rings change the status quo for secure access control by increasing ease of use, decreasing physical security flaws such as by ease of losing the device, and by adding two-factor authentication mechanisms including biometrics and key code entry.
The first digital watch was the Pulsar, introduced by the Hamilton Watch Company in 1972. The "Pulsar" became a brand name, and would later be acquired by Seiko in 1978. In 1982, a Pulsar watch (NL C01) was released which could store 24 digits, likely making it the first watch with user-programmable memory, or the first "memorybank" watch.
A Black Watch A user operating a Black Watch. The Black Watch is an electronic wristwatch launched in September 1975 by Sinclair Radionics. It cost £24.95 ready-built, but was also available for £17.95, as a kit. [1] These prices are equivalent to around £230 and £160 respectively in 2023, when adjusted for inflation.
Due to the varied definitions of wearable and computer, the first wearable computer could be as early as the first abacus on a necklace, a 16th-century abacus ring, a wristwatch and 'finger-watch' owned by Queen Elizabeth I of England, or the covert timing devices hidden in shoes to cheat at roulette by Thorp and Shannon in the 1960s and 1970s.
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