FR2706657B1 - Dispositif de défiltrage audio-progressif. - Google Patents

Dispositif de défiltrage audio-progressif.

Info

Publication number
FR2706657B1
FR2706657B1 FR9307588A FR9307588A FR2706657B1 FR 2706657 B1 FR2706657 B1 FR 2706657B1 FR 9307588 A FR9307588 A FR 9307588A FR 9307588 A FR9307588 A FR 9307588A FR 2706657 B1 FR2706657 B1 FR 2706657B1
Authority
FR
France
Prior art keywords
audio
filtering device
progressive filtering
progressive
filtering
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
FR9307588A
Other languages
English (en)
Other versions
FR2706657A1 (fr
Inventor
Raphael Christian Robert
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 FR9307588A priority Critical patent/FR2706657B1/fr
Priority to EP94919733A priority patent/EP0704083A1/fr
Priority to PCT/FR1994/000738 priority patent/WO1995000935A1/fr
Publication of FR2706657A1 publication Critical patent/FR2706657A1/fr
Application granted granted Critical
Publication of FR2706657B1 publication Critical patent/FR2706657B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Electric Clocks (AREA)
FR9307588A 1993-06-17 1993-06-17 Dispositif de défiltrage audio-progressif. Expired - Fee Related FR2706657B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9307588A FR2706657B1 (fr) 1993-06-17 1993-06-17 Dispositif de défiltrage audio-progressif.
EP94919733A EP0704083A1 (fr) 1993-06-17 1994-06-17 Defiltrage audio progressif
PCT/FR1994/000738 WO1995000935A1 (fr) 1993-06-17 1994-06-17 Defiltrage audio progressif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9307588A FR2706657B1 (fr) 1993-06-17 1993-06-17 Dispositif de défiltrage audio-progressif.

Publications (2)

Publication Number Publication Date
FR2706657A1 FR2706657A1 (fr) 1994-12-23
FR2706657B1 true FR2706657B1 (fr) 1995-12-22

Family

ID=9448439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9307588A Expired - Fee Related FR2706657B1 (fr) 1993-06-17 1993-06-17 Dispositif de défiltrage audio-progressif.

Country Status (3)

Country Link
EP (1) EP0704083A1 (fr)
FR (1) FR2706657B1 (fr)
WO (1) WO1995000935A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69629731T2 (de) 1995-07-07 2004-07-08 Sound Alert Ltd. Ortungsgeräte
GB2345392C (en) * 2000-03-28 2015-01-28 Brigade Electronics Plc Reversing alarm

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086589A (en) * 1976-03-08 1978-04-25 Industrial Electronics Service Co. Audible electronic warning system
US5012221A (en) * 1989-03-24 1991-04-30 Siren Sounds, Inc. Emergency vehicle audible warning system and method

Also Published As

Publication number Publication date
WO1995000935A1 (fr) 1995-01-05
EP0704083A1 (fr) 1996-04-03
FR2706657A1 (fr) 1994-12-23

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Legal Events

Date Code Title Description
CA Change of address
ST Notification of lapse
D3 Decision to revoke the decision of lapse
ST Notification of lapse

Effective date: 20100226