Hand-held marking device in combination with a counter

Details Hand-held marking device in combination with a counter Hand-held marking device in combination with a counter

1986-10-29

1988-08-30

Goldberg, E. A.

Recorders

Combined with non-recording register

Meter reading

346143, 401195, 377 1, G01D 900, G01D 1516, B43K 2900

Patent

active

047680407

ABSTRACT:
The present invention is a marking device which is hand-held and which a user uses to mark in order to count each of a plurality of items in a set and to automatically record the count. As the hand-held marking device counts each of the items, it simultaneously displays the number of the items counted. The hand-held marking device includes a cartridge and a transducer both of which are mechanically coupled to a casing. The cartridge is replaceable and has a marking tip for marking off items at one end and a plunger at the other end. The transducer has a contact-trigger. The cartridge is slideably coupled within the casing so that when its marking tip contacts any surface, its plunger engages the contact-trigger of the transducer thereby producing an input pulse. The hand-held marking device also includes a counting and displaying system, a reset switch and a display. The counting and displaying system is electrically coupled to the transducer and counts the number of marked items in response to a like number of input pulses and stores the number of counted items. Both the display and the reset switch are electrically coupled to the counting and displaying system. The user presses the reset switch when he has completed marking and counting in order to reset the counting and displaying system.

REFERENCES:
patent: 3064888 (1962-11-01), Van de Mark
patent: 3120924 (1964-02-01), Van de Mark
patent: 4466742 (1984-08-01), Lemelson

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