NL160448C - NOISE CANCELLATION CIRCUIT FOR A RECEIVER FOR A FREQUENCY MODULATED CARRIER. - Google Patents

NOISE CANCELLATION CIRCUIT FOR A RECEIVER FOR A FREQUENCY MODULATED CARRIER.

Info

Publication number: NL160448C
Authority: NL; Netherlands
Prior art keywords: receiver; noise cancellation; frequency modulated; modulated carrier; cancellation circuit
Prior art date: 1967-06-06

Application number

NL6807282.A

Other languages

Dutch (nl)

Other versions

NL6807282A (en

Original Assignee

Motorola Inc

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.)

1967-06-06

Filing date

1968-05-22

Publication date

1979-10-15

1968-05-22 Application filed by Motorola Inc filed Critical Motorola Inc

1968-12-09 Publication of NL6807282A publication Critical patent/NL6807282A/xx

1979-10-15 Application granted granted Critical

1979-10-15 Publication of NL160448C publication Critical patent/NL160448C/en

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present
- H03G3/344—Muting responsive to the amount of noise (noise squelch)

NL6807282.A 1967-06-06 1968-05-22 NOISE CANCELLATION CIRCUIT FOR A RECEIVER FOR A FREQUENCY MODULATED CARRIER. NL160448C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US64387467A	1967-06-06	1967-06-06

Publications (2)

Publication Number	Publication Date
NL6807282A NL6807282A (en)	1968-12-09
NL160448C true NL160448C (en)	1979-10-15

Family

ID=24582534

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL6807282.A NL160448C (en)	1967-06-06	1968-05-22	NOISE CANCELLATION CIRCUIT FOR A RECEIVER FOR A FREQUENCY MODULATED CARRIER.

Country Status (7)

Country	Link
BE (1)	BE716156A (en)
DE (1)	DE1766486C2 (en)
DK (1)	DK143677C (en)
FR (1)	FR1566991A (en)
GB (1)	GB1174734A (en)
IL (1)	IL30085A (en)
NL (1)	NL160448C (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1067084B (en) *		1959-10-15	Körting Radio Werke G.m.b.H., Grassau (Chiemgau)	Circuit arrangement for noise elimination for fading-controlled radio receivers
US2343115A (en) *	1941-04-05	1944-02-29	Galvin Mfg Corp	Radio receiver circuit
US2515196A (en) *	1945-11-26	1950-07-18	James C Coe	Automatic gain control
US2912571A (en) *	1955-04-19	1959-11-10	Motorola Inc	Radio receiver with squelch means in audio section and battery saver in output circuit
US3049710A (en) *	1958-01-02	1962-08-14	Gen Electric	Continuous tone-controlled squelch system
US3154740A (en) *	1960-09-06	1964-10-27	Motorola Inc	Automatic gain control system utilizing a network containing a short time constant and a long time constant
US3116453A (en) *	1960-11-01	1963-12-31	Gen Dynamics Corp	Step automatic gain control system
US3230458A (en) *	1962-05-18	1966-01-18	Collins Radio Co	Automatic gain control circuit with fast change of time constant
NL298885A (en) *	1962-10-16

1968
- 1968-05-20 GB GB23951/68A patent/GB1174734A/en not_active Expired
- 1968-05-22 DK DK235768A patent/DK143677C/en active
- 1968-05-22 NL NL6807282.A patent/NL160448C/en active
- 1968-05-27 IL IL6830085A patent/IL30085A/en unknown
- 1968-05-30 DE DE1766486A patent/DE1766486C2/en not_active Expired
- 1968-06-05 FR FR1566991D patent/FR1566991A/fr not_active Expired
- 1968-06-06 BE BE716156D patent/BE716156A/xx unknown

Also Published As

Publication number	Publication date
DE1766486C2 (en)	1983-08-04
DK143677B (en)	1981-09-21
BE716156A (en)	1968-12-06
NL6807282A (en)	1968-12-09
IL30085A0 (en)	1968-07-25
DE1766486A1 (en)	1971-08-05
DK143677C (en)	1982-03-08
IL30085A (en)	1971-12-29
FR1566991A (en)	1969-05-09
GB1174734A (en)	1969-12-17

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Legal Events

Date	Code	Title	Description
1988-05-21	NL80	Information provided on patent owner name for an already discontinued patent	Owner name: MOTOROLA