Registers – Coded record sensors
Patent
1977-12-05
1980-12-30
Kilgore, Robert M.
Registers
Coded record sensors
235439, 340149A, G06K 700, H04Q 130, G06K 704
Patent
active
042425760
ABSTRACT:
The disclosure relates to the computer art in general, and in particular to an identification device of the key-board type which includes a rectifier for both supplying current to the device and for supplying a trigger signal to a pulse generator having several outputs. Upon receipt of the trigger signal, the pulse generator generates a predetermined sequence of pulses on its outputs which are connected to a combination circuit which has two outputs. The pulse generator is operative to generate a train of pulses, each pulse of the train being applied to a respective one of the outputs as a function of a code which identifies the device. The pulses appearing at these two outputs are inductively transferred to a detector which thus receives a pulse train containing a predetermined number of pulses, the polarity of each of the pulses being representative of a binary number constituting the identification code of the device.
REFERENCES:
patent: 3377616 (1968-04-01), Aver
patent: 3816709 (1974-06-01), Walton
patent: 3849633 (1974-11-01), Reitboeck
patent: 3859634 (1975-01-01), Perron
patent: 3906460 (1975-09-01), Halpern
patent: 3929277 (1975-12-01), Byrne
patent: 3934122 (1976-01-01), Riccitelli
patent: 4001550 (1977-01-01), Schatz
patent: 4007355 (1977-02-01), Moreno
ID-Select Bo Thelin Och Co.
Kilgore Robert M.
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