FR2026877A1 - - Google Patents

Info

Publication number
FR2026877A1
FR2026877A1 FR6943790A FR6943790A FR2026877A1 FR 2026877 A1 FR2026877 A1 FR 2026877A1 FR 6943790 A FR6943790 A FR 6943790A FR 6943790 A FR6943790 A FR 6943790A FR 2026877 A1 FR2026877 A1 FR 2026877A1
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.)
Withdrawn
Application number
FR6943790A
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of FR2026877A1 publication Critical patent/FR2026877A1/fr
Withdrawn legal-status Critical Current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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Building Environments (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR6943790A 1968-12-23 1969-12-17 Withdrawn FR2026877A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78626568A 1968-12-23 1968-12-23

Publications (1)

Publication Number Publication Date
FR2026877A1 true FR2026877A1 (fr) 1970-09-25

Family

ID=25138101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6943790A Withdrawn FR2026877A1 (fr) 1968-12-23 1969-12-17

Country Status (3)

Country Link
US (1) US3619517A (fr)
FR (1) FR2026877A1 (fr)
GB (1) GB1236007A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817164A (en) * 1987-03-20 1989-03-28 Northern Telecom Limited Electrostatic discharge protector for an electret microphone
AT500077B1 (de) * 2000-07-20 2008-07-15 Akg Acoustics Gmbh Poppschutz für mikrofone
JP5094404B2 (ja) * 2004-10-21 2012-12-12 シュアー インコーポレイテッド リボン型音響変換器構造
WO2015077099A1 (fr) * 2013-11-21 2015-05-28 Ghaffari Mohsen Microphone à ruban réglable
JP6421314B2 (ja) * 2015-03-26 2018-11-14 株式会社オーディオテクニカ ステレオマイクロホン

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2102736A (en) * 1933-11-21 1937-12-21 Rca Corp Acoustical device
US2032389A (en) * 1935-02-18 1936-03-03 Rca Corp Sound pick-up device
US2271988A (en) * 1939-04-29 1942-02-03 Rca Corp Electroacoustical apparatus
US2352305A (en) * 1941-01-02 1944-06-27 Rca Corp Microphone
US2566094A (en) * 1950-06-22 1951-08-28 Rca Corp Line type pressure responsive microphone
US2751441A (en) * 1953-03-02 1956-06-19 Rca Corp Unidirectional microphone
US2870856A (en) * 1953-05-22 1959-01-27 Rca Corp Acoustic apparatus

Also Published As

Publication number Publication date
US3619517A (en) 1971-11-09
DE1963516A1 (de) 1970-07-23
GB1236007A (en) 1971-06-16
DE1963516B2 (de) 1972-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse