SG141893G - Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature - Google Patents

Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature

Info

Publication number: SG141893G
Authority: SG; Singapore
Prior art keywords: providing; signal proportional; absolute temperature; control signal; control circuit
Prior art date: 1985-09-04

Application number

SG141893A

Other languages

English (en)

Inventor

Wilson David Pace

Dennis L Welty

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.)

1985-09-04

Filing date

1993-12-31

Publication date

1994-03-31

1993-12-31 Application filed by Motorola Inc filed Critical Motorola Inc

1993-12-31 Priority to SG141893A priority Critical patent/SG141893G/en

1994-03-31 Publication of SG141893G publication Critical patent/SG141893G/en

Links

Classifications

- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- 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
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/02—Manually-operated control
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/907—Temperature compensation of semiconductor

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Multimedia (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Automation & Control Theory (AREA)
Amplifiers (AREA)
Control Of Amplification And Gain Control (AREA)
Networks Using Active Elements (AREA)
Transceivers (AREA)

SG141893A 1985-09-04 1993-12-31 Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature SG141893G (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
SG141893A SG141893G (en)	1985-09-04	1993-12-31	Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/772,482 US4689506A (en)	1985-09-04	1985-09-04	Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature
SG141893A SG141893G (en)	1985-09-04	1993-12-31	Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature

Publications (1)

Publication Number	Publication Date
SG141893G true SG141893G (en)	1994-03-31

Family

ID=25095211

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SG141893A SG141893G (en)	1985-09-04	1993-12-31	Control circuit for use with electronic attenuators and method for providing a control signal proportional to absolute temperature

Country Status (7)

Country	Link
US (1)	US4689506A (de)
EP (1)	EP0214472B1 (de)
JP (1)	JPS6259407A (de)
KR (1)	KR910000688B1 (de)
DE (1)	DE3683105D1 (de)
HK (1)	HK5194A (de)
SG (1)	SG141893G (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2613157A1 (fr) *	1987-03-27	1988-09-30	Mennecier Philippe	Dispositif d'interphonie radio miniature et individuel permettant le dialogue simultane de plusieurs utilisateurs
US7221659B1 (en) *	2001-12-31	2007-05-22	Cisco Technology, Inc.	Method and system for managing erroneous attenuation of signal
WO2005055935A2 (en) *	2003-12-05	2005-06-23	The University Of North Carolina At Chapel Hill	Cationic substituted benzofurans as antimicrobial agents

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2500698B1 (fr) *	1981-02-20	1989-02-17	Thomson Csf Mat Tel	Dispositif anti-effet larsen pour poste telephonique
DE3148202A1 (de) *	1981-12-05	1983-06-09	Licentia Patent-Verwaltungs-GmbH, 60325 Frankfurt	"schaltungsanordnung zur gegensinnigen verstaerkungssteuerung von verstaerkern"
FR2518854B1 (fr) *	1981-12-18	1986-08-08	Thomson Csf Mat Tel	Poste telephonique a amplificateurs de parole
JPS5979617A (ja) *	1982-10-27	1984-05-08	Mitsubishi Electric Corp	可変利得増幅器の制御回路
US4490582A (en) *	1983-02-18	1984-12-25	At&T Information Systems Inc.	Speakerphone control circuit
NL8301138A (nl) *	1983-03-31	1984-10-16	Philips Nv	Stroombronschakeling.
US4591743A (en) *	1983-12-19	1986-05-27	National Semiconductor Corporation	Temperature compensated current sensing circuit
JPS60134548A (ja) *	1983-12-22	1985-07-17	Fujitsu Ltd	拡声電話装置
US4593208A (en) *	1984-03-28	1986-06-03	National Semiconductor Corporation	CMOS voltage and current reference circuit

1985
- 1985-09-04 US US06/772,482 patent/US4689506A/en not_active Expired - Fee Related
1986
- 1986-08-07 DE DE8686110924T patent/DE3683105D1/de not_active Expired - Lifetime
- 1986-08-07 EP EP86110924A patent/EP0214472B1/de not_active Expired - Lifetime
- 1986-08-20 KR KR1019860006862A patent/KR910000688B1/ko not_active Expired
- 1986-09-04 JP JP61208842A patent/JPS6259407A/ja not_active Expired - Lifetime
1993
- 1993-12-31 SG SG141893A patent/SG141893G/en unknown
1994
- 1994-01-20 HK HK51/94A patent/HK5194A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0214472B1 (de)	1991-12-27
DE3683105D1 (de)	1992-02-06
KR910000688B1 (ko)	1991-01-31
US4689506A (en)	1987-08-25
KR870003414A (ko)	1987-04-17
HK5194A (en)	1994-01-28
EP0214472A2 (de)	1987-03-18
JPS6259407A (ja)	1987-03-16
EP0214472A3 (en)	1988-07-20

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