GB8826990D0 - Loudspeaker system - Google Patents

Loudspeaker system

Info

Publication number: GB8826990D0
Authority: GB; United Kingdom
Prior art keywords: loudspeaker system; loudspeaker
Prior art date: 1987-11-18
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

GB888826990A

Other versions

GB2212696A (en

GB2212696B (en

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.)

Tesla Koncernovy Podnik

Original Assignee

Tesla Koncernovy Podnik

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.)

1987-11-18

Filing date

1988-11-18

Publication date

1988-12-21

1988-11-18 Application filed by Tesla Koncernovy Podnik filed Critical Tesla Koncernovy Podnik

1988-12-21 Publication of GB8826990D0 publication Critical patent/GB8826990D0/en

1989-07-26 Publication of GB2212696A publication Critical patent/GB2212696A/en

1990-06-20 Application granted granted Critical

1990-06-20 Publication of GB2212696B publication Critical patent/GB2212696B/en

2008-11-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

Landscapes

Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Circuit For Audible Band Transducer (AREA)
Amplifiers (AREA)

GB8826990A 1987-11-18 1988-11-18 A loudspeaker system Expired - Fee Related GB2212696B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS878258A CS267623B1 (en)	1987-11-18	1987-11-18	Loudspeaker system

Publications (3)

Publication Number	Publication Date
GB8826990D0 true GB8826990D0 (en)	1988-12-21
GB2212696A GB2212696A (en)	1989-07-26
GB2212696B GB2212696B (en)	1990-06-20

Family

ID=5432932

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8826990A Expired - Fee Related GB2212696B (en)	1987-11-18	1988-11-18	A loudspeaker system

Country Status (5)

Country	Link
JP (1)	JPH01231598A (en)
CS (1)	CS267623B1 (en)
DE (1)	DE3839070A1 (en)
GB (1)	GB2212696B (en)
NL (1)	NL8802762A (en)

1987
- 1987-11-18 CS CS878258A patent/CS267623B1/en unknown
1988
- 1988-11-10 NL NL8802762A patent/NL8802762A/en not_active Application Discontinuation
- 1988-11-17 JP JP28900388A patent/JPH01231598A/en active Pending
- 1988-11-18 DE DE19883839070 patent/DE3839070A1/en not_active Withdrawn
- 1988-11-18 GB GB8826990A patent/GB2212696B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CS825887A1 (en)	1989-06-13
CS267623B1 (en)	1990-02-12
DE3839070A1 (en)	1989-06-01
JPH01231598A (en)	1989-09-14
GB2212696A (en)	1989-07-26
NL8802762A (en)	1989-06-16
GB2212696B (en)	1990-06-20

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Legal Events

Date	Code	Title	Description
1997-07-09	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19961118