EP3731539A4 - BROADCASTING SYSTEM - Google Patents

BROADCASTING SYSTEM Download PDF

Info

Publication number: EP3731539A4
Authority: EP; European Patent Office
Prior art keywords: broadcasting system; broadcasting
Prior art date: 2017-12-22
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

EP17935278.6A

Other languages

German (de)

French (fr)

Other versions

EP3731539B1 (en

EP3731539A1 (en

Inventor

Takaaki Sano

Kimihiro KAKEDA

Kazuma Asada

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.)

Toa Corp

Original Assignee

Toa 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.)

2017-12-22

Filing date

2017-12-22

Publication date

2021-08-04

2017-12-22 Application filed by Toa Corp filed Critical Toa Corp

2020-10-28 Publication of EP3731539A1 publication Critical patent/EP3731539A1/en

2021-08-04 Publication of EP3731539A4 publication Critical patent/EP3731539A4/en

2025-08-06 Application granted granted Critical

2025-08-06 Publication of EP3731539B1 publication Critical patent/EP3731539B1/en

Status Active legal-status Critical Current

2037-12-22 Anticipated expiration legal-status Critical

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/007—Monitoring arrangements; Testing arrangements for public address systems
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Computer Security & Cryptography (AREA)
General Physics & Mathematics (AREA)
Alarm Systems (AREA)

EP17935278.6A 2017-12-22 2017-12-22 Broadcasting system Active EP3731539B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2017/046142 WO2019123636A1 (en)	2017-12-22	2017-12-22	Broadcasting system

Publications (3)

Publication Number	Publication Date
EP3731539A1 EP3731539A1 (en)	2020-10-28
EP3731539A4 true EP3731539A4 (en)	2021-08-04
EP3731539B1 EP3731539B1 (en)	2025-08-06

Family

ID=66993303

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17935278.6A Active EP3731539B1 (en)	2017-12-22	2017-12-22	Broadcasting system

Country Status (2)

Country	Link
EP (1)	EP3731539B1 (en)
WO (1)	WO2019123636A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1777988A2 (en) *	2005-10-20	2007-04-25	Protec Fire Detection Plc	Improvements to a public address system having zone isolator circuits
EP2017803A1 (en) *	2007-07-16	2009-01-21	Herbert Puchner	Active function maintenance and safety system for warning loudspeaker networks in double-wire loop system
WO2014013530A1 (en) *	2012-07-20	2014-01-23	Toa Corporation	Public address system and monitoring device for a public address system
EP2862369A1 (en) *	2012-06-15	2015-04-22	Toa Corporation	Public address system and control device for public address system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3317324B2 (en) *	1995-08-30	2002-08-26	ティーオーエー株式会社	Inspection equipment for speaker line
NL2006494C2 (en)	2011-03-25	2012-09-26	Astrea Intellectueel Eigendomsrecht B V	Isolator device for passing through a signal.

2017
- 2017-12-22 EP EP17935278.6A patent/EP3731539B1/en active Active
- 2017-12-22 WO PCT/JP2017/046142 patent/WO2019123636A1/en not_active Ceased

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1777988A2 (en) *	2005-10-20	2007-04-25	Protec Fire Detection Plc	Improvements to a public address system having zone isolator circuits
EP2017803A1 (en) *	2007-07-16	2009-01-21	Herbert Puchner	Active function maintenance and safety system for warning loudspeaker networks in double-wire loop system
EP2862369A1 (en) *	2012-06-15	2015-04-22	Toa Corporation	Public address system and control device for public address system
WO2014013530A1 (en) *	2012-07-20	2014-01-23	Toa Corporation	Public address system and monitoring device for a public address system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019123636A1 *

Also Published As

Publication number	Publication date
EP3731539B1 (en)	2025-08-06
WO2019123636A1 (en)	2019-06-27
EP3731539A1 (en)	2020-10-28

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