CA1091374A - Circuit de commande pour transfert de materiel telephonique auxiliaire - Google Patents

Circuit de commande pour transfert de materiel telephonique auxiliaire

Info

Publication number: CA1091374A
Authority: CA; Canada
Prior art keywords: loop; coe; transfer; switch; equipment
Prior art date: 1978-02-27
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

CA303,774A

Other languages

English (en)

Inventor

Stuart D. Heffernan

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.)

Frontier Telephone of Rochester Inc

Original Assignee

Frontier Telephone of Rochester 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.)

1978-02-27

Filing date

1978-05-19

Publication date

1980-12-09

1978-02-27 Priority claimed from US05/881,234 external-priority patent/US4140879A/en

1978-05-19 Application filed by Frontier Telephone of Rochester Inc filed Critical Frontier Telephone of Rochester Inc

1980-12-09 Application granted granted Critical

1980-12-09 Publication of CA1091374A publication Critical patent/CA1091374A/fr

Status Expired legal-status Critical Current

Links

230000000694 effects Effects 0.000 claims abstract description 8
230000003287 optical effect Effects 0.000 claims description 6
230000008034 disappearance Effects 0.000 claims 1
239000003990 capacitor Substances 0.000 description 8
238000010586 diagram Methods 0.000 description 3
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000003111 delayed effect Effects 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
229910052710 silicon Inorganic materials 0.000 description 2
239000010703 silicon Substances 0.000 description 2
230000001052 transient effect Effects 0.000 description 2
208000035193 Ring chromosome 10 syndrome Diseases 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
239000004020 conductor Substances 0.000 description 1
230000001934 delay Effects 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
238000005286 illumination Methods 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

Landscapes

Interface Circuits In Exchanges (AREA)

CA303,774A 1978-02-27 1978-05-19 Circuit de commande pour transfert de materiel telephonique auxiliaire Expired CA1091374A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US881,234		1978-02-27
US05/881,234 US4140879A (en)	1977-06-27	1978-02-27	Control circuit for transfer of auxiliary telephone equipment

Publications (1)

Publication Number	Publication Date
CA1091374A true CA1091374A (fr)	1980-12-09

Family

ID=25378048

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA303,774A Expired CA1091374A (fr)	1978-02-27	1978-05-19	Circuit de commande pour transfert de materiel telephonique auxiliaire

Country Status (1)

Country	Link
CA (1)	CA1091374A (fr)

1978
- 1978-05-19 CA CA303,774A patent/CA1091374A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1997-12-09	MKEX	Expiry