CA1064632A - Circuit de commutation - Google Patents

Circuit de commutation

Info

Publication number: CA1064632A
Authority: CA; Canada
Prior art keywords: signal; amplifier; output; polarity; unilaterally conducting
Prior art date: 1975-12-17
Legal status (The legal status 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 status listed.): Expired

Application number

CA267,921A

Other languages

English (en)

Inventor

Ralph A. Jones

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Post Office

Original Assignee

Post Office

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.)

1975-12-17

Filing date

1976-12-15

Publication date

1979-10-16

1975-12-17 Priority claimed from GB51587/75A external-priority patent/GB1565200A/en

1976-12-15 Application filed by Post Office filed Critical Post Office

1979-10-16 Application granted granted Critical

1979-10-16 Publication of CA1064632A publication Critical patent/CA1064632A/fr

Status Expired legal-status Critical Current

Links

230000035945 sensitivity Effects 0.000 claims description 4
230000005540 biological transmission Effects 0.000 claims 1
238000004804 winding Methods 0.000 description 12
239000003990 capacitor Substances 0.000 description 9
230000014759 maintenance of location Effects 0.000 description 5
238000003780 insertion Methods 0.000 description 4
230000037431 insertion Effects 0.000 description 4
238000010586 diagram Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000000034 method Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
239000002674 ointment Substances 0.000 description 2
101150039033 Eci2 gene Proteins 0.000 description 1
235000018734 Sambucus australis Nutrition 0.000 description 1
244000180577 Sambucus australis Species 0.000 description 1
239000008186 active pharmaceutical agent Substances 0.000 description 1
239000004020 conductor Substances 0.000 description 1
230000001419 dependent effect Effects 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
230000008054 signal transmission Effects 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Amplifiers (AREA)
Interface Circuits In Exchanges (AREA)

CA267,921A 1975-12-17 1976-12-15 Circuit de commutation Expired CA1064632A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB51587/75A GB1565200A (en)	1976-01-06	1975-12-17	Switching circuit

Publications (1)

Publication Number	Publication Date
CA1064632A true CA1064632A (fr)	1979-10-16

Family

ID=10460615

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA267,921A Expired CA1064632A (fr)	1975-12-17	1976-12-15	Circuit de commutation

Country Status (5)

Country	Link
BE (1)	BE849549A (fr)
CA (1)	CA1064632A (fr)
FR (1)	FR2335999A1 (fr)
NL (1)	NL7613987A (fr)
SE (1)	SE424396B (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3502905A (en) *	1967-05-17	1970-03-24	Honeywell Inc	Differential amplifier and field effect transistor gates for applying largest of two inputs to output
GB1395495A (en) *	1971-06-30	1975-05-29	Post Office	Telephone conference amplifier

1976
- 1976-12-15 FR FR7637725A patent/FR2335999A1/fr active Granted
- 1976-12-15 CA CA267,921A patent/CA1064632A/fr not_active Expired
- 1976-12-16 SE SE7614149A patent/SE424396B/xx unknown
- 1976-12-16 NL NL7613987A patent/NL7613987A/xx not_active Application Discontinuation
- 1976-12-17 BE BE173391A patent/BE849549A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL7613987A (nl)	1977-06-21
SE7614149L (sv)	1977-06-18
BE849549A (fr)	1977-04-15
FR2335999A1 (fr)	1977-07-15
FR2335999B1 (fr)	1982-07-09
SE424396B (sv)	1982-07-12

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