Locating device

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Reexamination Certificate

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C324S067000, C324S688000

Reexamination Certificate

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06894510

ABSTRACT:
The invention relates to a locator, in particular a handheld locator for detecting inclusions in walls, ceilings and/or floors, having a capacitive sensor device disposed in a housing, having means for generating a detection sensor of the at least one capacitive sensor device, having a control and evaluation unit, communicating with the sensor device, for ascertaining measurement values from the detection sensor, and having an output unit for reproducing measurement values of the capacitive sensor device.According to the invention, it is proposed that a measuring capacitor (16) of the capacitive sensor device (10) has a first electrode (21), which includes one face of the housing (14) of the sensor device (10).

REFERENCES:
patent: 3805150 (1974-04-01), Abbe
patent: 4016490 (1977-04-01), Weckenmann et al.
patent: 4072896 (1978-02-01), Bijimer
patent: 4099118 (1978-07-01), Franklin et al.
patent: 4853617 (1989-08-01), Douglas et al.
patent: 4859931 (1989-08-01), Yamashita
patent: 5726581 (1998-03-01), Vranish
Patent Abstracts of Japan vol. 1995, No. 3, Apr. 28, 1995 & JP 06 349392 A, Dec. 22, 1994.

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