NO127128B - - Google Patents
Download PDFInfo
- Publication number
- NO127128B NO127128B NO428369A NO428369A NO127128B NO 127128 B NO127128 B NO 127128B NO 428369 A NO428369 A NO 428369A NO 428369 A NO428369 A NO 428369A NO 127128 B NO127128 B NO 127128B
- Authority
- NO
- Norway
- Prior art keywords
- liquid level
- level indicator
- windows
- peepholes
- openings
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 2
- 101150114468 TUB1 gene Proteins 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
- H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
- H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
- H03B21/025—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency by repeated mixing in combination with division of frequency only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Control Of Eletrric Generators (AREA)
- Control Of Temperature (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Closures For Containers (AREA)
- Feedback Control In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681806765 DE1806765C3 (de) | 1968-11-02 | 1968-11-02 | Anordnung zur Bildung von Aus gangsimpulsen mit einstellbarer Frequenz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO127128B true NO127128B (xx) | 1973-05-07 |
Family
ID=5712264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO428369A NO127128B (xx) | 1968-11-02 | 1969-10-29 |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE740962A (xx) |
| CH (1) | CH516261A (xx) |
| DE (1) | DE1806765C3 (xx) |
| DK (1) | DK124227B (xx) |
| ES (1) | ES373057A1 (xx) |
| FR (1) | FR2022454B1 (xx) |
| GB (1) | GB1293584A (xx) |
| NL (1) | NL6913694A (xx) |
| NO (1) | NO127128B (xx) |
| SE (1) | SE352995B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426820A (en) * | 1972-04-05 | 1976-03-03 | Hitachi Electronics | Digital control system |
| GB2142149B (en) * | 1983-06-25 | 1987-09-09 | Northern Eng Ind | Monitoring apparatus using phase locked loop |
| DE3335353C2 (de) * | 1983-09-29 | 1986-12-04 | Siemens AG, 1000 Berlin und 8000 München | Regeleinrichtung mit einem Dreipunktschrittregler |
| DE3633939A1 (de) * | 1986-10-04 | 1988-04-14 | Heraeus Gmbh W C | Uebertragung von signalen aus einer sensoreinheit |
-
1968
- 1968-11-02 DE DE19681806765 patent/DE1806765C3/de not_active Expired
-
1969
- 1969-09-09 NL NL6913694A patent/NL6913694A/xx unknown
- 1969-09-17 CH CH1401869A patent/CH516261A/de not_active IP Right Cessation
- 1969-09-24 DK DK505769A patent/DK124227B/da unknown
- 1969-10-29 BE BE740962D patent/BE740962A/xx unknown
- 1969-10-29 NO NO428369A patent/NO127128B/no unknown
- 1969-10-30 FR FR6937373A patent/FR2022454B1/fr not_active Expired
- 1969-10-31 ES ES373057A patent/ES373057A1/es not_active Expired
- 1969-10-31 SE SE1494169A patent/SE352995B/xx unknown
- 1969-11-03 GB GB5388269A patent/GB1293584A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK124227B (da) | 1972-09-25 |
| FR2022454A1 (xx) | 1970-07-31 |
| NL6913694A (xx) | 1970-05-06 |
| ES373057A1 (es) | 1971-11-16 |
| DE1806765B2 (de) | 1973-03-22 |
| SE352995B (xx) | 1973-01-15 |
| CH516261A (de) | 1971-11-30 |
| FR2022454B1 (xx) | 1973-03-16 |
| BE740962A (xx) | 1970-04-01 |
| DE1806765A1 (de) | 1970-08-13 |
| DE1806765C3 (de) | 1973-10-11 |
| GB1293584A (en) | 1972-10-18 |
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