CA1011413A - Telephone line attenuator network and attenuator pad therefor - Google Patents
Telephone line attenuator network and attenuator pad thereforInfo
- Publication number
- CA1011413A CA1011413A CA173,709A CA173709A CA1011413A CA 1011413 A CA1011413 A CA 1011413A CA 173709 A CA173709 A CA 173709A CA 1011413 A CA1011413 A CA 1011413A
- Authority
- CA
- Canada
- Prior art keywords
- attenuator
- telephone line
- network
- pad therefor
- therefor
- Prior art date
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/14—Distribution frames
- H04Q1/142—Terminal blocks for distribution frames
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Structure Of Telephone Exchanges (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26271472A | 1972-06-14 | 1972-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1011413A true CA1011413A (en) | 1977-05-31 |
Family
ID=22998697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA173,709A Expired CA1011413A (en) | 1972-06-14 | 1973-06-11 | Telephone line attenuator network and attenuator pad therefor |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4958704A (enrdf_load_stackoverflow) |
CA (1) | CA1011413A (enrdf_load_stackoverflow) |
FR (1) | FR2188374B1 (enrdf_load_stackoverflow) |
GB (1) | GB1390472A (enrdf_load_stackoverflow) |
SE (1) | SE394929B (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2662042B1 (fr) * | 1990-05-11 | 1994-03-18 | Sofycom | Dispositif de connexion de lignes telephoniques, ce dispositif comportant au moins un module enfichable de protection contre les surtensions. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL113730A (enrdf_load_stackoverflow) * | 1943-10-29 | |||
DE1060440B (de) * | 1958-03-26 | 1959-07-02 | Friedrich Merk Telefonbau Ag | Trennsteckverteiler |
DE1297682B (de) * | 1966-04-21 | 1969-06-19 | Siemens Ag | In seiner Daempfung stufenweise einstellbares Vierpolnetzwerk |
-
1973
- 1973-06-11 CA CA173,709A patent/CA1011413A/en not_active Expired
- 1973-06-12 GB GB2792873A patent/GB1390472A/en not_active Expired
- 1973-06-13 SE SE7308304A patent/SE394929B/xx unknown
- 1973-06-13 FR FR7321473A patent/FR2188374B1/fr not_active Expired
- 1973-06-14 JP JP6822773A patent/JPS4958704A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2188374B1 (enrdf_load_stackoverflow) | 1975-08-22 |
GB1390472A (en) | 1975-04-16 |
DE2329581B2 (de) | 1977-06-23 |
SE394929B (sv) | 1977-07-18 |
DE2329581A1 (de) | 1974-01-03 |
FR2188374A1 (enrdf_load_stackoverflow) | 1974-01-18 |
JPS4958704A (enrdf_load_stackoverflow) | 1974-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA988229A (en) | Combination telephone and video communication system | |
CA948340A (en) | Loud-speaking telephone | |
CA977479A (en) | Telephone dialling arrangement | |
CA960388A (en) | Communication call holding and supervising circuit | |
CA979551A (en) | Telephone tone ringer | |
CA993582A (en) | Loud speaking telephone set | |
CA966594A (en) | Telephone answering instrument and system | |
CA951610A (en) | Telephone index device | |
CA984983A (en) | Telephone answering system | |
CA972881A (en) | Telephone auto-answering device | |
CA1011413A (en) | Telephone line attenuator network and attenuator pad therefor | |
AU5408673A (en) | Digital telecommunication network | |
CA947444A (en) | Telephone substation apparatus | |
CA984982A (en) | Combined pbx and key telephone arrangement | |
CA954245A (en) | Coupler circuit for telephone networks and the like | |
AU5156373A (en) | Telephone system | |
CA961187A (en) | Telephone answering system and apparatus | |
CA792307A (en) | Telephone set | |
JPS5366305A (en) | Telephone communication switching method and device therefor | |
CA935584A (en) | Telephone answering device | |
CA938040A (en) | Telephone subscriber line circuit | |
AU436036B2 (en) | Telephone ringer | |
CA784960A (en) | Telephone ringer | |
CA791321A (en) | Telephone tone ringer | |
CA782007A (en) | Telephone answering system |