FR2165963B1 - - Google Patents

Info

Publication number
FR2165963B1
FR2165963B1 FR7245200A FR7245200A FR2165963B1 FR 2165963 B1 FR2165963 B1 FR 2165963B1 FR 7245200 A FR7245200 A FR 7245200A FR 7245200 A FR7245200 A FR 7245200A FR 2165963 B1 FR2165963 B1 FR 2165963B1
Authority
FR
France
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
FR7245200A
Other versions
FR2165963A1 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2165963A1 publication Critical patent/FR2165963A1/fr
Application granted granted Critical
Publication of FR2165963B1 publication Critical patent/FR2165963B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/332—Portable devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
FR7245200A 1971-12-29 1972-12-19 Expired FR2165963B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16811/71A SE367300B (fr) 1971-12-29 1971-12-29

Publications (2)

Publication Number Publication Date
FR2165963A1 FR2165963A1 (fr) 1973-08-10
FR2165963B1 true FR2165963B1 (fr) 1978-03-03

Family

ID=20302803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245200A Expired FR2165963B1 (fr) 1971-12-29 1972-12-19

Country Status (4)

Country Link
FR (1) FR2165963B1 (fr)
GB (1) GB1373840A (fr)
IT (1) IT979669B (fr)
SE (1) SE367300B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103747B (fi) 1998-01-29 1999-08-31 Emf Acoustics Oy Ltd Värähtelymuunninyksikkö

Also Published As

Publication number Publication date
FR2165963A1 (fr) 1973-08-10
DE2259496A1 (de) 1973-07-12
IT979669B (it) 1974-09-30
GB1373840A (en) 1974-11-13
SE367300B (fr) 1974-05-20
DE2259496B2 (de) 1975-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse