GB9025029D0 - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB9025029D0
GB9025029D0 GB909025029A GB9025029A GB9025029D0 GB 9025029 D0 GB9025029 D0 GB 9025029D0 GB 909025029 A GB909025029 A GB 909025029A GB 9025029 A GB9025029 A GB 9025029A GB 9025029 D0 GB9025029 D0 GB 9025029D0
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
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.)
Pending
Application number
GB909025029A
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.)
Harman Motive Ltd
Original Assignee
Electro Acoustic Industries Ltd
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 Electro Acoustic Industries Ltd filed Critical Electro Acoustic Industries Ltd
Priority to GB909025029A priority Critical patent/GB9025029D0/en
Publication of GB9025029D0 publication Critical patent/GB9025029D0/en
Priority to GB9123833A priority patent/GB2251355A/en
Pending legal-status Critical Current

Links

GB909025029A 1990-11-17 1990-11-17 Loudspeaker Pending GB9025029D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB909025029A GB9025029D0 (en) 1990-11-17 1990-11-17 Loudspeaker
GB9123833A GB2251355A (en) 1990-11-17 1991-11-08 Loudspeaker having multiple voice coils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909025029A GB9025029D0 (en) 1990-11-17 1990-11-17 Loudspeaker

Publications (1)

Publication Number Publication Date
GB9025029D0 true GB9025029D0 (en) 1991-01-02

Family

ID=10685552

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909025029A Pending GB9025029D0 (en) 1990-11-17 1990-11-17 Loudspeaker
GB9123833A Withdrawn GB2251355A (en) 1990-11-17 1991-11-08 Loudspeaker having multiple voice coils

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9123833A Withdrawn GB2251355A (en) 1990-11-17 1991-11-08 Loudspeaker having multiple voice coils

Country Status (1)

Country Link
GB (2) GB9025029D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243308C2 (en) * 1992-12-21 1996-08-22 Sennheiser Electronic Dynamic electro-acoustic transducer, especially headphones
US5917923A (en) * 1995-05-18 1999-06-29 Bose Corporation Satellitic compact electroacoustical transducing
GB2301728B (en) * 1995-06-03 1999-08-25 Knowles Electronics Co Electromagnetic acoustic transducers
US5856759A (en) * 1997-10-06 1999-01-05 Ford Motor Company Audio output amplifier with parallel class AB stages
GB2427320A (en) * 2005-06-14 2006-12-20 Amina Technologies Ltd Bending wave loudspeaker driven from multiple, different sources

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842561A (en) * 1957-11-21 1960-07-27 William Antony Kagdis Loudspeaker construction
GB1500711A (en) * 1974-01-26 1978-02-08 Tiefenbrun I Loudspeaker systems
US4201886A (en) * 1976-12-02 1980-05-06 Tenna Corporation Plural concentric moving coil speaker with push-pull voltage follower direct coupling
GB1572023A (en) * 1977-05-06 1980-07-23 Tannoy Products Ltd Moving coil loudspeakers
US4360707A (en) * 1980-11-24 1982-11-23 Cts Corporation Digitally driven combination coils for electrodynamic acoustic transducers
JPS58195400A (en) * 1982-05-11 1983-11-14 Nissan Motor Co Ltd Acoustic device for vehicle
NL8303186A (en) * 1983-09-15 1985-04-01 Philips Nv SPEAKER SYSTEM AND SPEAKER FOR USE IN A SPEAKER FOR CONVERTING AN ELECTRICAL SIGNAL INTO AN BIT IN AN ACOUSTIC SIGNAL.
US4897877A (en) * 1987-05-18 1990-01-30 Oxford Speaker Company Sub-woofer driver combination with dual voice coil arrangement

Also Published As

Publication number Publication date
GB2251355A (en) 1992-07-01
GB9123833D0 (en) 1992-01-02

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