SE375209B - - Google Patents

Info

Publication number: SE375209B
Authority: SE; Sweden

Application number

SE7103505A

Inventor

G H Ryan

R W Randolph

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.)

1970-08-19

Filing date

1971-03-18

Publication date

1975-04-07

1971-03-18 Application filed by Motorola Inc filed Critical Motorola Inc

1975-04-07 Publication of SE375209B publication Critical patent/SE375209B/xx

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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/005—Control by a pilot signal
- 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)

SE7103505A 1970-08-19 1971-03-18 SE375209B (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US6508970A	1970-08-19	1970-08-19

Publications (1)

Publication Number	Publication Date
SE375209B true SE375209B (xx)	1975-04-07

Family

ID=22060267

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7103505A SE375209B (xx)	1970-08-19	1971-03-18

Country Status (5)

Country	Link
US (1)	US3654555A (xx)
CA (1)	CA946479A (xx)
DE (1)	DE2117425C3 (xx)
DK (1)	DK143928C (xx)
SE (1)	SE375209B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3711777A (en) *	1971-09-16	1973-01-16	Ncr	Latching and control circuit for carrier detection
US3750032A (en) *	1972-02-24	1973-07-31	Motorola Inc	Priority channel scanning system with dual response time control
US3810023A (en) *	1972-07-21	1974-05-07	Rca Corp	Automatic squelch tail eliminator for tone coded squelch systems
US4020421A (en) *	1976-03-23	1977-04-26	General Electric Company	Muting circuit
US4041390A (en) *	1976-03-25	1977-08-09	Motorola, Inc.	Transceiver squelch circuit
US4829588A (en) *	1981-08-25	1989-05-09	Harris Corporation	Automatic retransmission with pilot tone
US4392248A (en) *	1981-10-05	1983-07-05	Time And Frequency Technology, Inc.	Attention signal receiver for emergency broadcast systems
US4748688A (en) *	1986-04-28	1988-05-31	Emhart Industries, Inc.	Electromagnetic wave receiver
US5060296A (en) *	1989-02-28	1991-10-22	Motorola, Inc.	Communication system with squelch control
US5220565A (en) *	1991-05-30	1993-06-15	Motorola, Inc.	Selective transmission of encoded voice information representing silence
US5881101A (en) *	1994-09-01	1999-03-09	Harris Corporation	Burst serial tone waveform signaling method and device for squelch/wake-up control of an HF transceiver
US7951449B2 (en) *	2002-06-27	2011-05-31	Wenguang Ma	Polyester core materials and structural sandwich composites thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3092772A (en) *	1960-06-07	1963-06-04	Gen Electric	Control for noise squelch circuit
NL298885A (xx) *	1962-10-16
US3397401A (en) *	1966-05-27	1968-08-13	Hughes Aircraft Co	Voice operated communication system
US3496467A (en) *	1967-10-13	1970-02-17	Motorola Inc	Automatic tone coded squelch circuit for radio communication system
US3584304A (en) *	1969-06-11	1971-06-08	Motorola Inc	Squelch tail eliminator for dual squelch

1970
- 1970-08-19 US US65089A patent/US3654555A/en not_active Expired - Lifetime
1971
- 1971-03-18 SE SE7103505A patent/SE375209B/xx unknown
- 1971-04-08 DE DE2117425A patent/DE2117425C3/de not_active Expired
- 1971-04-15 DK DK177871A patent/DK143928C/da not_active IP Right Cessation
- 1971-05-25 CA CA113,780A patent/CA946479A/en not_active Expired

Also Published As

Publication number	Publication date
DK143928C (da)	1982-04-19
DK143928B (da)	1981-10-26
CA946479A (en)	1974-04-30
DE2117425A1 (de)	1972-04-20
US3654555A (en)	1972-04-04
DE2117425B2 (de)	1980-05-14
DE2117425C3 (de)	1981-01-15

Publication	Publication Date	Title
AR204384A1 (xx)	1976-02-06
ATA96471A (xx)	1973-02-15
AU1146470A (xx)	1971-08-19
AU1473870A (xx)	1971-11-11
AU1517670A (xx)	1971-11-18
AU1326870A (xx)	1971-10-28
AU2130570A (xx)	1972-04-27
AU1716970A (xx)	1972-01-06
AU1833270A (xx)	1972-02-10
AU1336970A (xx)	1971-10-07
AR195465A1 (xx)	1973-10-15
AU1247570A (xx)	1971-09-16
AU2144270A (xx)	1972-04-27
AU1872870A (xx)	1972-02-17
AU2130770A (xx)	1972-04-27
AU1343870A (xx)	1971-10-07
AU1591370A (xx)	1971-12-09
AU1328670A (xx)	1971-10-07
AU1789870A (xx)	1972-01-27
AU2131570A (xx)	1972-04-27
AU1841070A (xx)	1972-02-10
AU1581370A (xx)	1971-12-09
AU1083170A (xx)	1971-08-05
AU1277070A (xx)	1971-09-23
AU2112570A (xx)	1972-04-20