Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2005-05-17
2005-05-17
Deb, Anjan K. (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S067000, C324S688000
Reexamination Certificate
active
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.
Clauss Stefan
Haase Bjoern
Hasch Juergen
Hoffmann Ulli
Irion Hans
Deb Anjan K.
Robert & Bosch GmbH
Striker Michael J.
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