US4509815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test head mounting for single or multiple test heads
Assignee: Vodafone GmbH
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Filing: 1982-05-14
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Granted: 1985-04-09
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Expires: 2002-05-14
Abstract
Abstract The invention relates to a test head mounting for single or multiple test heads in ultrasonic testing in immersion technique process. To reduce expenditure in the replacement of the test heads, a capacitive coupling is proposed between the test head and mounting element for the test head.
Inventors
- 👤 Gert Fischer
- 👤 Dieter Lather
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:03
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/24; G01N29/2481; B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; B06B1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A mounting assembly for test heads, comprising: a holding element; a replaceable test head adapted for receipt by said holding element; condenser plates firmly fixed in said holding element; condenser plates in said test head and having the same arrangement as those on the holding element when inserted into said holding element; and stop elements in said holding element for setting a space between said condenser plates on said holding element and said condenser plates on said test head and thereby defining a dielectrical distance.
Claim 2
Dependent Claim
85 words
A mounting assembly for test heads, comprising: a holding element; a replaceable test head adapted for receipt by said holding element; condenser plates firmly fixed in said holding element; condenser plates in said test head and having the same arrangement as those on the holding element when inserted into said holding element; and stop elements in said holding element for setting a space between said condenser plates on said holding element and said condenser plates on said test head and thereby defining a dielectrical distance.
References Cited (Backward Citations)
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Cited
US1667885A
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US3264601A
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US3649742A
Cited
US4118090A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-08 | 1988-10-08 | 1989-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-08 | 1992-10-08 | 1993-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-08 | 1996-10-08 | 1997-04-09 | $7700.00 | Window Closed / Lapsed |