DE1548952A1 - Tankueberfuellsicherung - Google Patents

Tankueberfuellsicherung

Info

Publication number
DE1548952A1
DE1548952A1 DE19511548952 DE1548952A DE1548952A1 DE 1548952 A1 DE1548952 A1 DE 1548952A1 DE 19511548952 DE19511548952 DE 19511548952 DE 1548952 A DE1548952 A DE 1548952A DE 1548952 A1 DE1548952 A1 DE 1548952A1
Authority
DE
Germany
Prior art keywords
voltage
transistor
series
resistor
zener diode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19511548952
Other languages
German (de)
English (en)
Other versions
DE1548952B2 (cg-RX-API-DMAC7.html
DE1548952C3 (cg-RX-API-DMAC7.html
Inventor
Georg Fritz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19511548952 priority Critical patent/DE1548952A1/de
Publication of DE1548952A1 publication Critical patent/DE1548952A1/de
Publication of DE1548952B2 publication Critical patent/DE1548952B2/de
Application granted granted Critical
Publication of DE1548952C3 publication Critical patent/DE1548952C3/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Amplifiers (AREA)
DE19511548952 1951-01-28 1951-01-28 Tankueberfuellsicherung Granted DE1548952A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19511548952 DE1548952A1 (de) 1951-01-28 1951-01-28 Tankueberfuellsicherung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19511548952 DE1548952A1 (de) 1951-01-28 1951-01-28 Tankueberfuellsicherung
DEF0048178 1966-01-15

Publications (3)

Publication Number Publication Date
DE1548952A1 true DE1548952A1 (de) 1970-04-02
DE1548952B2 DE1548952B2 (cg-RX-API-DMAC7.html) 1973-09-13
DE1548952C3 DE1548952C3 (cg-RX-API-DMAC7.html) 1974-04-18

Family

ID=25752892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19511548952 Granted DE1548952A1 (de) 1951-01-28 1951-01-28 Tankueberfuellsicherung

Country Status (1)

Country Link
DE (1) DE1548952A1 (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
DE1548952B2 (cg-RX-API-DMAC7.html) 1973-09-13
DE1548952C3 (cg-RX-API-DMAC7.html) 1974-04-18

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)