GB8725240D0 - Differential volume adjusters - Google Patents

Differential volume adjusters

Info

Publication number: GB8725240D0
Authority: GB; United Kingdom
Prior art keywords: differential volume; volume adjusters; adjusters; differential; volume
Prior art date: 1987-10-28
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

GB8725240A

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.)

Thomas I G

Original Assignee

Thomas I G

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.)

1987-10-28

Filing date

1987-10-28

Publication date

1987-12-02

1987-10-28 Application filed by Thomas I G filed Critical Thomas I G

1987-10-28 Priority to GB8725240A priority Critical patent/GB8725240D0/en

1987-12-02 Publication of GB8725240D0 publication Critical patent/GB8725240D0/en

1988-10-12 Priority to GB8823917A priority patent/GB2211685A/en

Status Pending legal-status Critical Current

Links

GB8725240A 1987-10-28 1987-10-28 Differential volume adjusters Pending GB8725240D0 (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB8725240A GB8725240D0 (en)	1987-10-28	1987-10-28	Differential volume adjusters
GB8823917A GB2211685A (en)	1987-10-28	1988-10-12	Differential volume adjusters

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8725240A GB8725240D0 (en)	1987-10-28	1987-10-28	Differential volume adjusters

Publications (1)

Publication Number	Publication Date
GB8725240D0 true GB8725240D0 (en)	1987-12-02

Family

ID=10626031

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB8725240A Pending GB8725240D0 (en)	1987-10-28	1987-10-28	Differential volume adjusters
GB8823917A Withdrawn GB2211685A (en)	1987-10-28	1988-10-12	Differential volume adjusters

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB8823917A Withdrawn GB2211685A (en)	1987-10-28	1988-10-12	Differential volume adjusters

Country Status (1)

Country	Link
GB (2)	GB8725240D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2248001A (en) *	1990-09-11	1992-03-18	Concourse Communications Ltd	Controlling sound volume in dependence on ambient noise
EP0658064A3 (en) *	1993-12-09	2004-09-01	Matsushita Electric Industrial Co., Ltd.	Acoustic reproducing apparatus
JPH0823373A (en) *	1994-07-08	1996-01-23	Kokusai Electric Co Ltd	Intercom circuit
FI97576C (en) *	1995-03-17	1997-01-10	Farm Film Oy	Listening System
US7702112B2 (en) *	2003-12-18	2010-04-20	Honeywell International Inc.	Intelligibility measurement of audio announcement systems
WO2006066351A2 (en) *	2004-12-26	2006-06-29	Creative Audio Pty Ltd	An improved paging system
CN101894441B (en) *	2005-05-10	2012-12-19	报知机股份有限公司	Fire detection system
GB2457307A (en) *	2008-02-11	2009-08-12	Apollo Fire Detectors Ltd	Fire alarm signalling with voice modulated HF signal multiplexed on to plateaus of existing lower frequency pulses carried on power cabling
US8362921B2 (en) *	2010-09-15	2013-01-29	Bose Corporation	Vehicle external warning sound generation system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB485005A (en) *	1935-11-12	1938-05-12	Heinz Boucke	Improvements in and relating to sound reproducing systems
GB2029141A (en) *	1978-08-26	1980-03-12	Viva Co	Gain control arrangements
DE2942331A1 (en) *	1979-10-19	1981-05-07	Blaupunkt-Werke Gmbh, 3200 Hildesheim	CIRCUIT ARRANGEMENT FOR AUTOMATICALLY ADJUSTING THE VOLUME OF A LOUDSPEAKER DEPENDING ON A NOISE LEVEL RULING AT THE SPEAKER LOCATION
JPS56142125U (en) *	1980-03-25	1981-10-27
JPS56147525A (en) *	1980-04-18	1981-11-16	Hitachi Ltd	Reception playback system

1987
- 1987-10-28 GB GB8725240A patent/GB8725240D0/en active Pending
1988
- 1988-10-12 GB GB8823917A patent/GB2211685A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB8823917D0 (en)	1988-11-16
GB2211685A (en)	1989-07-05

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