Electronic read out tape measure

Details Electronic read out tape measure Electronic read out tape measure

1975-11-17

1977-06-21

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

33139, 235 92MP, 235 92R, G06M 314, G01B 312

Patent

active

040313603

ABSTRACT:
A tape measure which indicates by electronic digital display the length of extended tape. The housing of the unit includes a tape mounted on a spring-biased reel, and an electronic digital display unit connected to an electronic calculator. The electronic calculator is wired to add fixed multiples of length as the tape is pulled out of the housing and to subtract fixed multiples of length as the tape is drawn back into the housing so that the digital display indicates the total extended length of tape.

REFERENCES:
patent: 2484817 (1949-10-01), De Armono
patent: 2854753 (1958-10-01), Caparros
patent: 3271564 (1966-09-01), Rosenfeld et al.
patent: 3639995 (1972-02-01), Gardner
patent: 3739276 (1973-06-01), Dornberger
patent: 3943783 (1976-03-01), Boyer

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