SE439087B - Telefonapparat innefattande en forsterkaranordning med fjerreffektmatning - Google Patents

Telefonapparat innefattande en forsterkaranordning med fjerreffektmatning

Info

Publication number: SE439087B
Authority: SE; Sweden
Prior art keywords: amplifier; power supply; device including; telephone device; remote power
Prior art date: 1971-11-19

Application number

SE7214884A

Other languages

English (en)

Swedish (sv)

Inventor

Der Plaats P J Van

Original Assignee

Philips Nv

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.)

1971-11-19

Filing date

1972-11-16

Publication date

1985-05-28

1972-11-16 Application filed by Philips Nv filed Critical Philips Nv

1985-05-28 Publication of SE439087B publication Critical patent/SE439087B/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Amplifiers (AREA)
Interface Circuits In Exchanges (AREA)
Devices For Supply Of Signal Current (AREA)

SE7214884A 1971-11-19 1972-11-16 Telefonapparat innefattande en forsterkaranordning med fjerreffektmatning SE439087B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7115947A NL7115947A (xx)	1971-11-19	1971-11-19

Publications (1)

Publication Number	Publication Date
SE439087B true SE439087B (sv)	1985-05-28

Family

ID=19814515

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7214884A SE439087B (sv)	1971-11-19	1972-11-16	Telefonapparat innefattande en forsterkaranordning med fjerreffektmatning

Country Status (8)

Country	Link
US (1)	US3810032A (xx)
JP (1)	JPS5212042B2 (xx)
BE (1)	BE791588A (xx)
CA (1)	CA973939A (xx)
FR (1)	FR2161662A5 (xx)
GB (1)	GB1395204A (xx)
NL (1)	NL7115947A (xx)
SE (1)	SE439087B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1406663A (en) *	1972-08-22	1975-09-17	Standard Telephones Cables Ltd	Telphone subset circuits
GB1546046A (en) *	1976-12-03	1979-05-16	Cselt Centro Studi Lab Telecom	Transmitting and receiving circuit for subscriber telephone sets
FR2478412A1 (fr) *	1980-03-14	1981-09-18	Radiotechnique Compelec	Procede pour adapter automatiquement des circuits electroniques de postes telephoniques a la resistance de la ligne, et poste comportant des circuits auto-adaptes
DE3116262A1 (de) *	1981-04-24	1982-11-11	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	"schaltungsanordnung zur erzeugung von steuergroessen aus dem schleifenstrom"
JPS59500345A (ja) *	1982-03-04	1984-03-01	エステイーシー・ピーエルシー	波形クリッピング回路
WO1983003177A1 (en) *	1982-03-04	1983-09-15	Blomley, Peter, Fred	Gain regulation circuit
FR2538648A1 (fr) *	1982-12-28	1984-06-29	Thomson Csf	Circuit de suppression de signal de microphone pour poste telephonique
FR2634605B1 (fr) *	1988-07-22	1990-10-05	Radiotechnique Compelec	Circuit de compensation de courant
JP4057212B2 (ja) *	2000-02-15	2008-03-05	三菱電機株式会社	マイクロフォン装置
FR2946213B1 (fr)	2009-05-29	2012-05-11	Sagem Comm	Procede de correction de la degradation du signal telephonique entrainee par la longueur de ligne analogique par le combine
EP3437571B1 (en)	2009-12-22	2020-06-17	Cook Medical Technologies LLC	Medical devices with detachable pivotable jaws
US8939997B2 (en)	2010-10-11	2015-01-27	Cook Medical Technologies Llc	Medical devices with detachable pivotable jaws
BR112013008763B1 (pt)	2010-10-11	2021-02-17	Cook Medical Technologies LLC.	dispositivo médico para engatar um tecido

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3491307A (en) *	1967-06-22	1970-01-20	Motorola Inc	Differential amplifier featuring pole splitting compensation and common mode feedback
US3731215A (en) *	1971-08-06	1973-05-01	Gen Electric	Amplifier of controllable gain

1971
- 1971-11-19 NL NL7115947A patent/NL7115947A/xx not_active Application Discontinuation
1972
- 1972-11-07 US US00304390A patent/US3810032A/en not_active Expired - Lifetime
- 1972-11-15 CA CA156,458A patent/CA973939A/en not_active Expired
- 1972-11-16 SE SE7214884A patent/SE439087B/xx unknown
- 1972-11-16 GB GB5289672A patent/GB1395204A/en not_active Expired
- 1972-11-16 FR FR7240710A patent/FR2161662A5/fr not_active Expired
- 1972-11-16 JP JP47114328A patent/JPS5212042B2/ja not_active Expired
- 1972-11-17 BE BE791588D patent/BE791588A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
BE791588A (fr)	1973-05-17
AU4894572A (en)	1974-05-16
DE2254148A1 (de)	1973-05-24
DE2254148B2 (de)	1976-07-29
GB1395204A (en)	1975-05-21
FR2161662A5 (xx)	1973-07-06
US3810032A (en)	1974-05-07
JPS4863604A (xx)	1973-09-04
NL7115947A (xx)	1973-05-22
JPS5212042B2 (xx)	1977-04-04
CA973939A (en)	1975-09-02

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