CA1178897A - Dispositif de commutation pour synthetiseur de sons stereophoniques - Google Patents

Dispositif de commutation pour synthetiseur de sons stereophoniques

Info

Publication number: CA1178897A
Authority: CA; Canada
Prior art keywords: signal; switch; coupled; input terminal; amplifier means
Prior art date: 1981-05-08
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

Application number

CA000401104A

Other languages

English (en)

Inventor

Patrick D. Griffis

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.)

RCA Corp

Original Assignee

RCA 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.)

1981-05-08

Filing date

1982-04-16

Publication date

1984-12-04

1982-02-25 Priority claimed from US06/352,180 external-priority patent/US4479235A/en

1982-04-16 Application filed by RCA Corp filed Critical RCA Corp

1984-12-04 Application granted granted Critical

1984-12-04 Publication of CA1178897A publication Critical patent/CA1178897A/fr

Status Expired legal-status Critical Current

Links

230000005236 sound signal Effects 0.000 claims abstract description 39
230000008878 coupling Effects 0.000 claims abstract description 21
238000010168 coupling process Methods 0.000 claims abstract description 21
238000005859 coupling reaction Methods 0.000 claims abstract description 21
239000011159 matrix material Substances 0.000 abstract description 4
230000002194 synthesizing effect Effects 0.000 abstract 1
239000003990 capacitor Substances 0.000 description 9
230000006870 function Effects 0.000 description 7
230000015572 biosynthetic process Effects 0.000 description 6
238000003786 synthesis reaction Methods 0.000 description 6
230000003321 amplification Effects 0.000 description 5
238000003199 nucleic acid amplification method Methods 0.000 description 5
238000010586 diagram Methods 0.000 description 4
230000002146 bilateral effect Effects 0.000 description 2
238000002955 isolation Methods 0.000 description 2
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000000034 method Methods 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000001228 spectrum Methods 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Stereophonic System (AREA)
Stereo-Broadcasting Methods (AREA)

CA000401104A 1981-05-08 1982-04-16 Dispositif de commutation pour synthetiseur de sons stereophoniques Expired CA1178897A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
GB8114088		1981-05-08
GB8114088		1981-05-08
US06/352,180 US4479235A (en)	1981-05-08	1982-02-25	Switching arrangement for a stereophonic sound synthesizer
US352,180		1982-02-25

Publications (1)

Publication Number	Publication Date
CA1178897A true CA1178897A (fr)	1984-12-04

Family

ID=26279378

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000401104A Expired CA1178897A (fr)	1981-05-08	1982-04-16	Dispositif de commutation pour synthetiseur de sons stereophoniques

Country Status (6)

Country	Link
AT (1)	AT379277B (fr)
CA (1)	CA1178897A (fr)
DE (1)	DE3217230C2 (fr)
FR (1)	FR2505534B1 (fr)
GB (1)	GB2103055B (fr)
IT (1)	IT1209458B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2187068B (en) *	1986-02-25	1988-12-14	Microbourne Limited	Sound reproduction system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3662113A (en) *	1968-03-27	1972-05-09	Scott Inc H H	Stereophonic demodulator apparatus and automatic monophonic-stereophonic switching circuit
US3684835A (en) *	1970-07-29	1972-08-15	Parasound Inc	Four channel stereo synthesizer
JPS5246682B2 (fr) *	1973-02-21	1977-11-26
DE2640254A1 (de) *	1976-09-03	1978-03-09	Manfred Schunke	Verfahren zur bearbeitung elektrischer signale zwecks simulation akustischer raumklangeffekte und geraet zur durchfuehrung des verfahrens
US4239939A (en) *	1979-03-09	1980-12-16	Rca Corporation	Stereophonic sound synthesizer

1982
- 1982-04-15 IT IT8220767A patent/IT1209458B/it active
- 1982-04-16 CA CA000401104A patent/CA1178897A/fr not_active Expired
- 1982-05-06 GB GB08213085A patent/GB2103055B/en not_active Expired
- 1982-05-07 FR FR8208002A patent/FR2505534B1/fr not_active Expired
- 1982-05-07 DE DE3217230A patent/DE3217230C2/de not_active Expired
- 1982-05-10 AT AT0182082A patent/AT379277B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
IT1209458B (it)	1989-08-30
ATA182082A (de)	1985-04-15
AT379277B (de)	1985-12-10
IT8220767A0 (it)	1982-04-15
DE3217230A1 (de)	1982-11-25
FR2505534B1 (fr)	1986-02-21
GB2103055A (en)	1983-02-09
FR2505534A1 (fr)	1982-11-12
GB2103055B (en)	1985-03-20
DE3217230C2 (de)	1985-10-17

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Legal Events

Date	Code	Title	Description
2001-12-05	MKEC	Expiry (correction)
2002-04-16	MKEX	Expiry