FR2060008A1 - - Google Patents

Info

Publication number
FR2060008A1
FR2060008A1 FR7016809A FR7016809A FR2060008A1 FR 2060008 A1 FR2060008 A1 FR 2060008A1 FR 7016809 A FR7016809 A FR 7016809A FR 7016809 A FR7016809 A FR 7016809A FR 2060008 A1 FR2060008 A1 FR 2060008A1
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.)
Granted
Application number
FR7016809A
Other versions
FR2060008B1 (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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP3683169A external-priority patent/JPS4919441B1/ja
Priority claimed from JP3683269A external-priority patent/JPS4919442B1/ja
Priority claimed from JP3683369A external-priority patent/JPS4843477B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2060008A1 publication Critical patent/FR2060008A1/fr
Application granted granted Critical
Publication of FR2060008B1 publication Critical patent/FR2060008B1/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
    • H04R21/00—Variable-resistance transducers
    • H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Pressure Sensors (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR7016809A 1969-05-09 1970-05-08 Expired FR2060008B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3683069 1969-05-09
JP3683169A JPS4919441B1 (fr) 1969-05-09 1969-05-09
JP3683269A JPS4919442B1 (fr) 1969-05-09 1969-05-09
JP3683369A JPS4843477B1 (fr) 1969-05-09 1969-05-09

Publications (2)

Publication Number Publication Date
FR2060008A1 true FR2060008A1 (fr) 1971-06-11
FR2060008B1 FR2060008B1 (fr) 1975-02-21

Family

ID=27460323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016809A Expired FR2060008B1 (fr) 1969-05-09 1970-05-08

Country Status (5)

Country Link
US (1) US3691316A (fr)
DE (1) DE2022252C3 (fr)
FR (1) FR2060008B1 (fr)
GB (1) GB1308473A (fr)
NL (1) NL157184B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1447392A (en) * 1972-08-17 1976-08-25 Nagamura F Recording apparatus
US5489900A (en) * 1994-06-03 1996-02-06 International Business Machines Corporation Force sensitive transducer for use in a computer keyboard

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL275714A (fr) * 1961-03-09 1900-01-01
FR986662A (fr) * 1943-12-03 1951-08-03 Pick-up phonographique
GB693204A (en) * 1948-03-31 1953-06-24 Brush Dev Co Improvement in electromechanical transducer unit
FR1222093A (fr) * 1958-04-03 1960-06-08 Erie Resistor Corp Pick-up binauriculaire pour phonographe
NL6617309A (fr) * 1965-12-10 1967-06-12
DE1447115A1 (de) * 1962-05-14 1968-11-14 Emi Ltd Tonabnehmer
DE1287135B (de) * 1967-06-16 1969-01-16 Telefunken Patent Elektroakustischer Wandler mit einer Schicht aus Halbleitermaterial bedeckten Membran

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR986662A (fr) * 1943-12-03 1951-08-03 Pick-up phonographique
GB693204A (en) * 1948-03-31 1953-06-24 Brush Dev Co Improvement in electromechanical transducer unit
FR1222093A (fr) * 1958-04-03 1960-06-08 Erie Resistor Corp Pick-up binauriculaire pour phonographe
NL275714A (fr) * 1961-03-09 1900-01-01
DE1447115A1 (de) * 1962-05-14 1968-11-14 Emi Ltd Tonabnehmer
NL6617309A (fr) * 1965-12-10 1967-06-12
DE1287135B (de) * 1967-06-16 1969-01-16 Telefunken Patent Elektroakustischer Wandler mit einer Schicht aus Halbleitermaterial bedeckten Membran

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
(REVUE AMERICAINE"ELECTRONICS"VOL.42 NO 1915 SEPTEMBRE 1969.PAGES:225-226,ARTICLE:"STRAINING TO HEAR".) *
HEAR".) *
REVUE AMERICAINE"ELECTRONICS"VOL.42 NO 1915 SEPTEMBRE 1969.PAGES:225-226,ARTICLE:"STRAINING TO *

Also Published As

Publication number Publication date
DE2022252B2 (de) 1973-05-30
GB1308473A (en) 1973-02-21
NL7006697A (fr) 1970-11-11
NL157184B (nl) 1978-06-15
FR2060008B1 (fr) 1975-02-21
DE2022252C3 (de) 1973-12-13
US3691316A (en) 1972-09-12
DE2022252A1 (de) 1971-05-27

Similar Documents

Publication Publication Date Title
AU465452B2 (fr)
AU450150B2 (fr)
AU442375B2 (fr)
AU470301B1 (fr)
AU5113869A (fr)
AU442554B2 (fr)
AU442322B2 (fr)
AU442380B2 (fr)
AU442463B2 (fr)
AU442535B2 (fr)
AU442538B2 (fr)
AU470661B1 (fr)
AU442285B2 (fr)
AU438128B2 (fr)
AU442357B2 (fr)
AU4540468A (fr)
CS148411B1 (fr)
AU5109569A (fr)
AU5077469A (fr)
CS148367B1 (fr)
AU4949169A (fr)
BE742908A (fr)
AU4953367A (fr)
AU4815038A (fr)
AU481328A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse