SE455982B - Styrkretskoppling for drift av ett for tonsignalering avsett impulseringsorgan - Google Patents

Styrkretskoppling for drift av ett for tonsignalering avsett impulseringsorgan

Info

Publication number: SE455982B
Authority: SE; Sweden
Prior art keywords: transistor; voltage; current; circuit; connection terminals
Prior art date: 1979-12-13

Application number

SE8008637A

Other languages

English (en)

Swedish (sv)

Other versions

SE8008637L (sv

Inventor

P C Davis

R G Jackson

K F Sodomsky

D L Whitson

Original Assignee

Western Electric Co

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.)

1979-12-13

Filing date

1980-12-09

Publication date

1988-08-22

1980-12-09 Application filed by Western Electric Co filed Critical Western Electric Co

1981-06-14 Publication of SE8008637L publication Critical patent/SE8008637L/

1988-08-22 Publication of SE455982B publication Critical patent/SE455982B/sv

Links

230000004913 activation Effects 0.000 claims description 11
239000003990 capacitor Substances 0.000 claims description 9
230000008878 coupling Effects 0.000 claims description 4
238000010168 coupling process Methods 0.000 claims description 4
238000005859 coupling reaction Methods 0.000 claims description 4
230000011664 signaling Effects 0.000 claims description 3
230000008859 change Effects 0.000 claims description 2
238000001514 detection method Methods 0.000 claims 1
GGWBHVILAJZWKJ-UHFFFAOYSA-N dimethyl-[[5-[2-[[1-(methylamino)-2-nitroethenyl]amino]ethylsulfanylmethyl]furan-2-yl]methyl]azanium;chloride Chemical compound Cl.[O-][N+](=O)C=C(NC)NCCSCC1=CC=C(CN(C)C)O1 GGWBHVILAJZWKJ-UHFFFAOYSA-N 0.000 claims 1
238000005530 etching Methods 0.000 claims 1
230000014759 maintenance of location Effects 0.000 claims 1
230000005540 biological transmission Effects 0.000 description 8
238000010586 diagram Methods 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
230000009467 reduction Effects 0.000 description 2
230000035939 shock Effects 0.000 description 2
241000218657 Picea Species 0.000 description 1
230000003321 amplification Effects 0.000 description 1
239000004020 conductor Substances 0.000 description 1
238000002716 delivery method Methods 0.000 description 1
229910052732 germanium Inorganic materials 0.000 description 1
GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
238000000034 method Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000003199 nucleic acid amplification method Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
230000001629 suppression Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element

Landscapes

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

SE8008637A 1979-12-13 1980-12-09 Styrkretskoppling for drift av ett for tonsignalering avsett impulseringsorgan SE455982B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/103,404 US4332984A (en)	1979-12-13	1979-12-13	Active speech network circuit for a telephone set

Publications (2)

Publication Number	Publication Date
SE8008637L SE8008637L (sv)	1981-06-14
SE455982B true SE455982B (sv)	1988-08-22

Family

ID=22294995

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8008637A SE455982B (sv)	1979-12-13	1980-12-09	Styrkretskoppling for drift av ett for tonsignalering avsett impulseringsorgan

Country Status (10)

Country	Link
US (1)	US4332984A (de)
JP (1)	JPS5693462A (de)
CA (1)	CA1152242A (de)
CH (1)	CH651712A5 (de)
DE (1)	DE3046328A1 (de)
FR (1)	FR2472317B1 (de)
GB (1)	GB2066026B (de)
IT (1)	IT1134682B (de)
NL (1)	NL8006773A (de)
SE (1)	SE455982B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4400588A (en) *	1981-06-15	1983-08-23	Gte Automatic Electric Labs Inc.	Electronic voice network for a telephone subscriber's substation
NL8200666A (nl) *	1982-02-19	1983-09-16	Philips Nv	Transmissieschakeling voor een elektronisch telefoontoestel.
US4495382A (en) *	1982-04-23	1985-01-22	Fairchild Camera And Instrument Corporation	Telephone regulator circuitry
US4442322A (en) *	1982-07-07	1984-04-10	Gte Automatic Electric Inc.	Electronic common switch having an improved receiver mating arrangement
DE3504304A1 (de) *	1985-02-08	1986-08-14	Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt	Schaltungsanordnung fuer eine fernsprechteilnehmerstation mit einem mfv-(mehrfrequenz-)sender

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3546395A (en) *	1968-01-15	1970-12-08	Bell Telephone Labor Inc	Active telephone set speech network employing transistor feedback loop for sidetone balance and equalization
NL7402575A (nl) *	1974-02-26	1975-08-28	Philips Nv	Elektronisch telefoontoestel.
CA1032221A (en) *	1974-06-14	1978-05-30	Mitel Canada Limited	Telephone line impedance regulator
JPS5356903A (en) *	1976-11-02	1978-05-23	Nippon Telegr & Teleph Corp <Ntt>	Automatic level control circuit for telephone set
GB1546046A (en) *	1976-12-03	1979-05-16	Cselt Centro Studi Lab Telecom	Transmitting and receiving circuit for subscriber telephone sets
US4071713A (en) *	1976-12-27	1978-01-31	Northern Telecom Limited	Telephone speech network
CA1056970A (en) *	1977-01-10	1979-06-19	Northern Telecom Limited	Electronic network for telephone set
DE2813580A1 (de) *	1978-03-29	1979-10-04	Siemens Ag	Schaltungsanordnung fuer ueber anschlussleitungen gespeiste teilnehmerstationen mit zusatzgeraeten in fernmelde- insbesondere fernsprechanlagen

1979
- 1979-12-13 US US06/103,404 patent/US4332984A/en not_active Expired - Lifetime
1980
- 1980-11-24 CA CA000365316A patent/CA1152242A/en not_active Expired
- 1980-12-09 SE SE8008637A patent/SE455982B/sv not_active IP Right Cessation
- 1980-12-09 DE DE19803046328 patent/DE3046328A1/de not_active Withdrawn
- 1980-12-11 IT IT8026579A patent/IT1134682B/it active
- 1980-12-12 JP JP17481380A patent/JPS5693462A/ja active Pending
- 1980-12-12 CH CH9210/80A patent/CH651712A5/de not_active IP Right Cessation
- 1980-12-12 GB GB8039906A patent/GB2066026B/en not_active Expired
- 1980-12-12 NL NL8006773A patent/NL8006773A/nl not_active Application Discontinuation
- 1980-12-12 FR FR8026366A patent/FR2472317B1/fr not_active Expired

Also Published As

Publication number	Publication date
NL8006773A (nl)	1981-07-16
US4332984A (en)	1982-06-01
JPS5693462A (en)	1981-07-29
FR2472317A1 (fr)	1981-06-26
FR2472317B1 (fr)	1987-08-07
IT8026579A0 (it)	1980-12-11
DE3046328A1 (de)	1981-08-27
IT1134682B (it)	1986-08-13
SE8008637L (sv)	1981-06-14
GB2066026A (en)	1981-07-01
CH651712A5 (de)	1985-09-30
GB2066026B (en)	1984-07-25
CA1152242A (en)	1983-08-16

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 8008637-4

Effective date: 19891128

Format of ref document f/p: F

Publication	Publication Date	Title
US4054941A (en)	1977-10-18	Range extender with gain
US5175764A (en)	1992-12-29	Enhanced high voltage line interface circuit
US5014305A (en)	1991-05-07	Line interface circuit
SE446146B (sv)	1986-08-11	Automatisk signalutjemningskrets respektive strombegrensad abonnentlinjematningskrets
US4099032A (en)	1978-07-04	Loop current detector
US4088843A (en)	1978-05-09	Electronic current feed circuit
US4315107A (en)	1982-02-09	Telephone range extender with gain
US4306119A (en)	1981-12-15	Telephone outpulsing circuit
SE455982B (sv)	1988-08-22	Styrkretskoppling for drift av ett for tonsignalering avsett impulseringsorgan
US4143247A (en)	1979-03-06	Automatic signal level adjusting circuits for use in telephone sets
GB1563803A (en)	1980-04-02	Telecommunications transmission and signalling curcuits
US3973082A (en)	1976-08-03	Electronic telephone subscriber set with voltage controlled variable shunt
CA1160780A (en)	1984-01-17	Trunk interface circuit with current compensation
US4440979A (en)	1984-04-03	Current sink for DPT channel unit
GB1563580A (en)	1980-03-26	Teleprinter equipment
US3393274A (en)	1968-07-16	Subscriber loop and trunk loop range extension circuit
US4495494A (en)	1985-01-22	Detector circuit for communication lines
US3851108A (en)	1974-11-26	Communication line supervisory circuit
CA1203331A (en)	1986-04-15	Latching relay hold release circuit for a telephone instrument
US3747082A (en)	1973-07-17	Systems with constant current generators for transmitting flow rate data
JPH0425745B2 (de)	1992-05-01
US4731827A (en)	1988-03-15	Interswitch line circuit
EP0056810A1 (de)	1982-08-04	Schleifendetektionsschaltung zur verwendung in der schnittstelle einer teilnehmerschleife
US4309573A (en)	1982-01-05	Loudspeaking substation circuit
WO1983003508A1 (en)	1983-10-13	Dial pulsing circuit