Method and apparatus for measuring the length of a multi-section

Details Method and apparatus for measuring the length of a multi-section Method and apparatus for measuring the length of a multi-section

1998-05-27

1999-03-02

Hofsass, Jeffrey A.

Communications: electrical

Condition responsive indicating system

Specific condition

3406861, 212276, 212278, G08B 2100

Patent

active

058776931

ABSTRACT:
The boom length measurement includes a transmitting unit mounted on the fly section of a multi-section telescopic boom, and a receiving unit mounted on the base section of the multi-section telescopic boom. The transmitting unit transmits a first and second signal having first and second transmission speeds, respectively. The second transmission speed is less than the first transmission speed. Based on a difference in transit times of the first and second signals received by the receiving unit, a length determiner determines the length of the multi-section telescopic boom. A display displays the determined length.

REFERENCES:
patent: Re32366 (1987-03-01), Garber
patent: 2253975 (1941-08-01), Guanella
patent: 2497913 (1950-02-01), Rines
patent: 2527753 (1950-10-01), McConnell
patent: 3490019 (1970-01-01), Jessen et al.
patent: 3641551 (1972-02-01), Sterner et al.
patent: 3858728 (1975-01-01), Fathauer
patent: 4039084 (1977-08-01), Shinohara et al.
patent: 4057792 (1977-11-01), Pietzsch et al.
patent: 4089057 (1978-05-01), Eriksson
patent: 4185280 (1980-01-01), Wilhelm
patent: 4216868 (1980-08-01), Geppert
patent: 4516117 (1985-05-01), Couture et al.
patent: 4679653 (1987-07-01), Pasquarette, Jr. et al.

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