Patent US4996429A successfully refreshed from Google Patents.
US4996429A
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Pocket measuring instrument for measuring ionizing radiation
Assignee: Nokia Deutschland GmbH
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Filing: 1989-10-31
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Granted: 1991-02-26
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Expires: 2009-10-31
Abstract
Abstract An instrument for measuring ionization radiation acting upon a person is mounted in a housing which can be carried in the pocket of a garment, the housing includes a forwardly projecting portion having a radiation detector mounted in the forwardmost portion thereof, so as to be exposed to a wide angle of ionizing radiation. A display unit is located in an upper wall of the housing facing in a direction which may be read by the person.
Inventors
- 👤 Werthmann Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
153 words
An instrument, which can be carried in the pocket of a garment, for measuring ionizing radiation acting upon a person wearing the garment, said instrument comprising: a longitudinally extending housing portion adapted to fit in a pocket; a forwardly projecting housing portion attached to the longitudinally extending housing portion and extending forwardly at a predetermined angle from the longitudinally extending housing portion in a direction away from the person; a radiation detector located in a forwardmost portion of the forwardly projecting housing portion; a display unit mounted in an upwardly facing wall of one of said housing portions and facing in a direction to be readable by the person when the instrument is carried in the pocket of a garment worn by the person, whereby the radiation detector is positioned in a forwardmost location so as to receive radiation from a wide angle, unobstructed by the display unit or components in the housing.
Claim 2
Dependent Claim
153 words
An instrument, which can be carried in the pocket of a garment, for measuring ionizing radiation acting upon a person wearing the garment, said instrument comprising: a longitudinally extending housing portion adapted to fit in a pocket; a forwardly projecting housing portion attached to the longitudinally extending housing portion and extending forwardly at a predetermined angle from the longitudinally extending housing portion in a direction away from the person; a radiation detector located in a forwardmost portion of the forwardly projecting housing portion; a display unit mounted in an upwardly facing wall of one of said housing portions and facing in a direction to be readable by the person when the instrument is carried in the pocket of a garment worn by the person, whereby the radiation detector is positioned in a forwardmost location so as to receive radiation from a wide angle, unobstructed by the display unit or components in the housing.
Claim 3
Dependent Claim
24 words
An instrument as described in claim 1, wherein the forwardly projecting housing portion is disposed at an end of the longitudinally extending housing portion.
References Cited (Backward Citations)
US4243885A
Cited
CH645732A5
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-25 | 1994-08-27 | 1995-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-25 | 1998-08-27 | 1999-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-25 | 2002-08-27 | 2003-02-26 | $7700.00 | Window Closed / Lapsed |