FR2777108B1 - MULTI-PURPOSE VOICE HOLDER, WHICH CAN BE USED AS A COMMUNICATION MEDIUM, AS WELL AS A DEVELOPMENT EXAMPLE FOR ITS MANUFACTURE - Google Patents

MULTI-PURPOSE VOICE HOLDER, WHICH CAN BE USED AS A COMMUNICATION MEDIUM, AS WELL AS A DEVELOPMENT EXAMPLE FOR ITS MANUFACTURE

Info

Publication number
FR2777108B1
FR2777108B1 FR9804071A FR9804071A FR2777108B1 FR 2777108 B1 FR2777108 B1 FR 2777108B1 FR 9804071 A FR9804071 A FR 9804071A FR 9804071 A FR9804071 A FR 9804071A FR 2777108 B1 FR2777108 B1 FR 2777108B1
Authority
FR
France
Prior art keywords
manufacture
well
communication medium
development example
purpose voice
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 - Fee Related
Application number
FR9804071A
Other languages
French (fr)
Other versions
FR2777108A1 (en
Inventor
Jerome Faure
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
Priority to FR9804071A priority Critical patent/FR2777108B1/en
Publication of FR2777108A1 publication Critical patent/FR2777108A1/en
Application granted granted Critical
Publication of FR2777108B1 publication Critical patent/FR2777108B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
FR9804071A 1998-03-27 1998-03-27 MULTI-PURPOSE VOICE HOLDER, WHICH CAN BE USED AS A COMMUNICATION MEDIUM, AS WELL AS A DEVELOPMENT EXAMPLE FOR ITS MANUFACTURE Expired - Fee Related FR2777108B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9804071A FR2777108B1 (en) 1998-03-27 1998-03-27 MULTI-PURPOSE VOICE HOLDER, WHICH CAN BE USED AS A COMMUNICATION MEDIUM, AS WELL AS A DEVELOPMENT EXAMPLE FOR ITS MANUFACTURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9804071A FR2777108B1 (en) 1998-03-27 1998-03-27 MULTI-PURPOSE VOICE HOLDER, WHICH CAN BE USED AS A COMMUNICATION MEDIUM, AS WELL AS A DEVELOPMENT EXAMPLE FOR ITS MANUFACTURE

Publications (2)

Publication Number Publication Date
FR2777108A1 FR2777108A1 (en) 1999-10-08
FR2777108B1 true FR2777108B1 (en) 2002-08-30

Family

ID=9524758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9804071A Expired - Fee Related FR2777108B1 (en) 1998-03-27 1998-03-27 MULTI-PURPOSE VOICE HOLDER, WHICH CAN BE USED AS A COMMUNICATION MEDIUM, AS WELL AS A DEVELOPMENT EXAMPLE FOR ITS MANUFACTURE

Country Status (1)

Country Link
FR (1) FR2777108B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8191673B1 (en) * 2010-12-08 2012-06-05 Scott Peaslee Collapsible megaphone device
WO2014102460A1 (en) * 2012-12-24 2014-07-03 Sales Eric Foldable device forming a megaphone
GB2515477A (en) * 2013-06-23 2014-12-31 Martin Ward Megaphone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2346818A (en) * 1941-10-03 1944-04-18 Robert A Brown Megaphone
US4613012A (en) * 1985-04-29 1986-09-23 The Little Screamer Group Limited Article of rolled form
US4850054A (en) * 1988-03-25 1989-07-25 Sutton Industries, Inc. Multipurpose sun visor
FR2640069B1 (en) * 1988-12-05 1991-10-25 Thevenet Claudy SPEAKER AND BLANK FOR ITS MANUFACTURE

Also Published As

Publication number Publication date
FR2777108A1 (en) 1999-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20051130

RN Application for restoration
D3 Decision to revoke the decision of lapse
ST Notification of lapse

Effective date: 20120330