CA1132461A - Support coupleur acoustique pour combine telephonique - Google Patents

Support coupleur acoustique pour combine telephonique

Info

Publication number: CA1132461A
Authority: CA; Canada
Prior art keywords: flexible; annular; handset; extending; support member
Prior art date: 1980-10-30
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

CA363,574A

Other languages

English (en)

Inventor

Alan C. Busche

Karlo B. Simonsen

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.)

Nortel Networks Ltd

Original Assignee

Northern Telecom Ltd

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.)

1980-10-30

Filing date

1980-10-30

Publication date

1982-09-28

1980-10-30 Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd

1980-10-30 Priority to CA363,574A priority Critical patent/CA1132461A/fr

1982-09-28 Application granted granted Critical

1982-09-28 Publication of CA1132461A publication Critical patent/CA1132461A/fr

Status Expired legal-status Critical Current

Links

230000001154 acute effect Effects 0.000 claims description 2
238000007789 sealing Methods 0.000 abstract description 6
230000008878 coupling Effects 0.000 abstract description 5
238000010168 coupling process Methods 0.000 abstract description 5
238000005859 coupling reaction Methods 0.000 abstract description 5
206010011878 Deafness Diseases 0.000 abstract description 3
230000000007 visual effect Effects 0.000 abstract description 3
239000002184 metal Substances 0.000 description 3
238000006073 displacement reaction Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
238000010079 rubber tapping Methods 0.000 description 2
241000905957 Channa melasoma Species 0.000 description 1
230000004308 accommodation Effects 0.000 description 1
230000005534 acoustic noise Effects 0.000 description 1
229940094070 ambien Drugs 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000004033 plastic Substances 0.000 description 1
239000012858 resilient material Substances 0.000 description 1
230000000284 resting effect Effects 0.000 description 1
229920003051 synthetic elastomer Polymers 0.000 description 1
239000005061 synthetic rubber Substances 0.000 description 1
ZAFYATHCZYHLPB-UHFFFAOYSA-N zolpidem Chemical compound N1=C2C=CC(C)=CN2C(CC(=O)N(C)C)=C1C1=CC=C(C)C=C1 ZAFYATHCZYHLPB-UHFFFAOYSA-N 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
- H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
- H04M1/2155—Acoustic coupling

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)

CA363,574A 1980-10-30 1980-10-30 Support coupleur acoustique pour combine telephonique Expired CA1132461A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA363,574A CA1132461A (fr)	1980-10-30	1980-10-30	Support coupleur acoustique pour combine telephonique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA363,574A CA1132461A (fr)	1980-10-30	1980-10-30	Support coupleur acoustique pour combine telephonique

Publications (1)

Publication Number	Publication Date
CA1132461A true CA1132461A (fr)	1982-09-28

Family

ID=4118295

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA363,574A Expired CA1132461A (fr)	1980-10-30	1980-10-30	Support coupleur acoustique pour combine telephonique

Country Status (1)

Country	Link
CA (1)	CA1132461A (fr)

1980
- 1980-10-30 CA CA363,574A patent/CA1132461A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1999-09-28	MKEX	Expiry