Timepiece communication system

Details Timepiece communication system Timepiece communication system

1987-12-03

1989-01-24

Miska, Vit W.

Horology: time measuring systems or devices

Combined with disparate device

G04B 4700

Patent

active

048005436

ABSTRACT:
A wristwatch contains communication and memory circuitry and a transmitter. The memory circuit stores a personal identification number of a single user. The communication and memory circuitry is driven by the same battery which powers the timekeeping structure of the watch. A transmitter transmits data from the reader to the wristwatch, placed proximate thereto. The reader has a keypad by which the user can enter a personal identification number, and the watch compares the transmitted number to the user-entered number. If the numbers match, a transaction may occur.

REFERENCES:
patent: 4211065 (1980-07-01), Schmitz et al.
patent: 4403869 (1983-09-01), Crutcher
patent: 4511259 (1985-04-01), Horiuchi
patent: 4624578 (1986-11-01), Green

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