CA1045733A - Recepteur de tonalites - Google Patents

Recepteur de tonalites

Info

Publication number: CA1045733A
Authority: CA; Canada
Prior art keywords: circuit; tone; input; output; receiver
Prior art date: 1976-09-07
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

CA260,634A

Other languages

English (en)

Inventor

Theran L. Ebner

Donald W. Hawkins

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.)

HOUSTON NATURAL GAS CORP

Original Assignee

HOUSTON NATURAL GAS CORP

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.)

1976-09-07

Filing date

1976-09-07

Publication date

1979-01-02

1976-09-07 Application filed by HOUSTON NATURAL GAS CORP filed Critical HOUSTON NATURAL GAS CORP

1976-09-07 Priority to CA260,634A priority Critical patent/CA1045733A/fr

1979-01-02 Application granted granted Critical

1979-01-02 Publication of CA1045733A publication Critical patent/CA1045733A/fr

Status Expired legal-status Critical Current

Links

230000001360 synchronised effect Effects 0.000 claims description 3
239000000919 ceramic Substances 0.000 claims description 2
230000000694 effects Effects 0.000 description 9
238000005070 sampling Methods 0.000 description 8
230000003213 activating effect Effects 0.000 description 4
230000009471 action Effects 0.000 description 3
238000000034 method Methods 0.000 description 3
230000004913 activation Effects 0.000 description 2
238000004891 communication Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
230000004044 response Effects 0.000 description 2
230000011664 signaling Effects 0.000 description 2
241000252067 Megalops atlanticus Species 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
XLNZEKHULJKQBA-UHFFFAOYSA-N terbufos Chemical compound CCOP(=S)(OCC)SCSC(C)(C)C XLNZEKHULJKQBA-UHFFFAOYSA-N 0.000 description 1
230000007704 transition Effects 0.000 description 1

Landscapes

Interface Circuits In Exchanges (AREA)

CA260,634A 1976-09-07 1976-09-07 Recepteur de tonalites Expired CA1045733A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA260,634A CA1045733A (fr)	1976-09-07	1976-09-07	Recepteur de tonalites

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA260,634A CA1045733A (fr)	1976-09-07	1976-09-07	Recepteur de tonalites

Publications (1)

Publication Number	Publication Date
CA1045733A true CA1045733A (fr)	1979-01-02

Family

ID=4106795

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA260,634A Expired CA1045733A (fr)	1976-09-07	1976-09-07	Recepteur de tonalites

Country Status (1)

Country	Link
CA (1)	CA1045733A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5548635A (en) *	1994-01-21	1996-08-20	Sasktel	System for controlling equipment within a telephone subscriber's premises using DTMF telephone tones

1976
- 1976-09-07 CA CA260,634A patent/CA1045733A/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5548635A (en) *	1994-01-21	1996-08-20	Sasktel	System for controlling equipment within a telephone subscriber's premises using DTMF telephone tones

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