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FR1217447A - Décibelmètre - Google Patents

Décibelmètre

Info

Publication number
FR1217447A
FR1217447A FR787493A FR787493A FR1217447A FR 1217447 A FR1217447 A FR 1217447A FR 787493 A FR787493 A FR 787493A FR 787493 A FR787493 A FR 787493A FR 1217447 A FR1217447 A FR 1217447A
Authority
FR
France
Prior art keywords
decibelmeter
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
Application number
FR787493A
Other languages
English (en)
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of FR1217447A publication Critical patent/FR1217447A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/22Devices using combined reduction and oxidation, e.g. redox arrangement or solion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00Measuring characteristics of vibrations by using a detector in a fluid
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/1813Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using electrochemical elements, e.g. solion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/02Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof using combined reduction-oxidation reactions, e.g. redox arrangement or solion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
FR787493A 1958-02-26 1959-02-23 Décibelmètre Expired FR1217447A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1217447XA 1958-02-26 1958-02-26

Publications (1)

Publication Number Publication Date
FR1217447A true FR1217447A (fr) 1960-05-03

Family

ID=22398522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787493A Expired FR1217447A (fr) 1958-02-26 1959-02-23 Décibelmètre

Country Status (1)

Country Link
FR (1) FR1217447A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331005A1 (fr) * 1974-10-24 1977-06-03 Shine Patent Ab Procede et dispositif pour mesurer et enregistrer le bruit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331005A1 (fr) * 1974-10-24 1977-06-03 Shine Patent Ab Procede et dispositif pour mesurer et enregistrer le bruit

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