US3780299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the production of a measuring signal or control
Assignee: Kalle GmbH and Co KG
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Filing: 1972-08-07
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Granted: 1973-12-18
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Expires: 1992-08-07
Abstract
Abstract A device for the production of a measuring or control signal, which device has a radiation source and a receiver for the measuring radiation, modified by the measured point, and for the unmodified reference radiation as well as a device for converting the receiver values into the measuring or control signal, characterized in that the device has an outlet window section and an inlet window section and that the radiation source, the receiver, and the window sections are so arranged that the measuring radiation and the reference radiation emerge or enter each at the same place through the window sections but form an angle there with one another.
Inventors
- 👤 H Bock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/86; G01J; G01J1/00; G01J1/10; G01J1/16; G01J1/42; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0822; G03G15/0848; G03G15/0849; G03G15/0855; G03G15/50; G03G15/5033; G03G15/5041
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
124 words
Apparatus for producing a measuring or control signal, comprising: signal source means for producing a measuring signal and a reference signal; an outlet window through which said measuring and reference signals emerge, said outlet window being so arranged that said measuring and reference signals emerge from said outlet window at the same place and at an angle with respect to one another; an inlet window through which said measuring and reference signals enter, said inlet window being so arranged that said measuring and reference signals enter said inlet window at the same place and at an angle with respect to one another; and means for converting said measuring and reference signals to obtain a signal representative of the quantity measured by said measuring signal.
Claim 2
Dependent Claim
124 words
Apparatus for producing a measuring or control signal, comprising: signal source means for producing a measuring signal and a reference signal; an outlet window through which said measuring and reference signals emerge, said outlet window being so arranged that said measuring and reference signals emerge from said outlet window at the same place and at an angle with respect to one another; an inlet window through which said measuring and reference signals enter, said inlet window being so arranged that said measuring and reference signals enter said inlet window at the same place and at an angle with respect to one another; and means for converting said measuring and reference signals to obtain a signal representative of the quantity measured by said measuring signal.
Claim 3
Dependent Claim
25 words
Apparatus according to claim 1, characterized wherein said inlet and outlet windows are arranged in an angle opened in the direction of the measuring place.
Claim 4
Dependent Claim
42 words
Apparatus according to claim 1, characterized in that the perpendicular drawn on the outlet window or the perpendicular drawn on the inlet window respectively form the bisecting lines between the direction of the measuring signal and the direction of the reference signal.
Claim 5
Dependent Claim
14 words
Apparatus according to claim 1, wherein said signAl source means comprises a light source.
Claim 6
Dependent Claim
19 words
Apparatus according to claim 1, wherein only one radiation source is provided for the measuring and the reference signals.
Claim 7
Dependent Claim
18 words
Apparatus according to claim 5, characterized in that a mirror deflecting device is provided for the reference signal.
Claim 8
Dependent Claim
59 words
Apparatus according to claim 1, wherein said signal source means comprises means for producing pulsed measuring and reference signals phase shifted with respect to each other; and said converting means comprises a single receiver for receiving said measuring and reference signals and means for phase shifting the output of said single receiver to separate said measuring and reference signals.
Claim 9
Dependent Claim
37 words
Apparatus according to claim 7, further comprising a rotating diaphragm which passes the measuring signal only when the reference signal is completely stopped and which passes the reference signal only when the measuring signal is completely stopped.
Claim 10
Dependent Claim
82 words
Apparatus according to claim 8, wherein said diaphragm has elements which cooperate with a switch to connect the outlet of the receiver alternately with the inlets of separate amplifiers, the elements being so constructed and arranged that the connection to the measuring signal amplifier is established only when the diaphragm stops the reference signal and passes the measuring signal and the connection to the reference signal amplifier is established only when the diaphragm stops the measuring signal and passes the reference signal.
Claim 11
Dependent Claim
20 words
Apparatus according to claim 8, further comprising a lock-in amplifier which amplifies and separates the measuring signals and control signals.
References Cited (Backward Citations)
US3233781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |