FR318901A - Embouchure téléphonique mobile - Google Patents

Embouchure téléphonique mobile

Info

Publication number
FR318901A
FR318901A FR318901DA FR318901A FR 318901 A FR318901 A FR 318901A FR 318901D A FR318901D A FR 318901DA FR 318901 A FR318901 A FR 318901A
Authority
FR
France
Prior art keywords
mobile phone
mouthpiece
phone mouthpiece
mobile
phone
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
Other languages
English (en)
Inventor
Moenninghoff
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR318901A publication Critical patent/FR318901A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR318901D 1902-02-21 1902-02-21 Embouchure téléphonique mobile Expired FR318901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR318901T 1902-02-21

Publications (1)

Publication Number Publication Date
FR318901A true FR318901A (fr) 1902-10-29

Family

ID=1369516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR318901D Expired FR318901A (fr) 1902-02-21 1902-02-21 Embouchure téléphonique mobile

Country Status (1)

Country Link
FR (1) FR318901A (fr)

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