FR1143245A - Dispositif indicateur - Google Patents
Dispositif indicateurInfo
- Publication number
- FR1143245A FR1143245A FR1143245DA FR1143245A FR 1143245 A FR1143245 A FR 1143245A FR 1143245D A FR1143245D A FR 1143245DA FR 1143245 A FR1143245 A FR 1143245A
- Authority
- FR
- France
- Prior art keywords
- indicator device
- indicator
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/2033—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature details of the sensing element
- G05D23/2034—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature details of the sensing element the sensing element being a semiconductor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
-
- 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
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
-
- 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
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
-
- 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
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1296—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the feedback circuit comprising a transformer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Networks Using Active Elements (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2870310X | 1954-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1143245A true FR1143245A (fr) | 1957-09-27 |
Family
ID=19876106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1143245D Expired FR1143245A (fr) | 1954-12-13 | 1955-12-12 | Dispositif indicateur |
Country Status (4)
Country | Link |
---|---|
US (1) | US2870310A (fr) |
DE (1) | DE1038954B (fr) |
FR (1) | FR1143245A (fr) |
NL (1) | NL193175A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1108113B (de) * | 1958-03-26 | 1961-05-31 | Siemens Ag | Einrichtung zur Messung und betriebs-maessigen UEberwachung von Temperaturen am rotierenden Laeufer von elektrischen Maschinen oder anderen umlaufenden Koerpern |
US2975260A (en) * | 1958-04-14 | 1961-03-14 | Cons Electrodynamics Corp | Electrical heater control circuits |
US2967924A (en) * | 1958-06-12 | 1961-01-10 | Clifford K Friend | Stable temperature reference for instrument use |
US3017521A (en) * | 1958-07-01 | 1962-01-16 | Magnavox Co | Transistor circuit for producing a pulse output for each input signal peak |
US2984729A (en) * | 1958-11-10 | 1961-05-16 | Collins Radio Co | Multivibrator type oven control |
NL101482C (fr) * | 1958-12-02 | |||
US3159798A (en) * | 1958-12-04 | 1964-12-01 | Gen Precision Inc | Microwave modulator |
US3300623A (en) * | 1959-05-27 | 1967-01-24 | Automatic Elect Lab | Crystal oven heating and control system |
US3089034A (en) * | 1960-08-30 | 1963-05-07 | Robert C Meade | Light sensitive detection circuit |
US3333086A (en) * | 1961-10-05 | 1967-07-25 | Robertshaw Controls Co | Temperature control apparatus and method |
US3433918A (en) * | 1966-09-02 | 1969-03-18 | Park Ohio Industries Inc | Ground detector |
US3982503A (en) * | 1972-08-23 | 1976-09-28 | The Bendix Corporation | Air density computer for an internal combustion engine fuel control system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2402662A (en) * | 1941-05-27 | 1946-06-25 | Bell Telephone Labor Inc | Light-sensitive electric device |
US2696739A (en) * | 1951-07-05 | 1954-12-14 | Rca Corp | Temperature responsive semiconductor circuits |
US2757243A (en) * | 1951-09-17 | 1956-07-31 | Bell Telephone Labor Inc | Transistor circuits |
US2731564A (en) * | 1951-11-05 | 1956-01-17 | Edelstein Harold | Barium titanate temperature control |
US2702838A (en) * | 1951-11-15 | 1955-02-22 | Bell Telephone Labor Inc | Semiconductor signal translating device |
DE930239C (de) * | 1952-10-28 | 1955-07-11 | Alfons Dipl-Phys Haehnlein | Anordnung zur Anzeige, Messung oder Kontrolle von Temperaturen und Waermemengen |
NL99544C (fr) * | 1953-01-22 | |||
US2778942A (en) * | 1954-07-09 | 1957-01-22 | Honeywell Regulator Co | Electrical control apparatus |
-
0
- NL NL193175D patent/NL193175A/xx unknown
-
1955
- 1955-12-09 DE DEN11574A patent/DE1038954B/de active Pending
- 1955-12-12 US US552595A patent/US2870310A/en not_active Expired - Lifetime
- 1955-12-12 FR FR1143245D patent/FR1143245A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL193175A (fr) | |
US2870310A (en) | 1959-01-20 |
DE1038954B (de) | 1958-09-11 |
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