IE38542B1 - Telephone station - Google Patents

Telephone station

Info

Publication number
IE38542B1
IE38542B1 IE2125/73A IE212573A IE38542B1 IE 38542 B1 IE38542 B1 IE 38542B1 IE 2125/73 A IE2125/73 A IE 2125/73A IE 212573 A IE212573 A IE 212573A IE 38542 B1 IE38542 B1 IE 38542B1
Authority
IE
Ireland
Prior art keywords
attachment
contacts
handset
relay
hold
Prior art date
Application number
IE2125/73A
Other languages
English (en)
Other versions
IE38542L (en
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.)
Filing date
Publication date
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of IE38542L publication Critical patent/IE38542L/xx
Publication of IE38542B1 publication Critical patent/IE38542B1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephone Set Structure (AREA)
IE2125/73A 1973-01-30 1973-11-22 Telephone station IE38542B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA162,417A CA954244A (en) 1973-01-30 1973-01-30 Mode selector for telephone station sets

Publications (2)

Publication Number Publication Date
IE38542L IE38542L (en) 1974-07-20
IE38542B1 true IE38542B1 (en) 1978-04-12

Family

ID=4095684

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2125/73A IE38542B1 (en) 1973-01-30 1973-11-22 Telephone station

Country Status (12)

Country Link
AU (1) AU475150B2 (da)
BE (1) BE810399A (da)
BR (1) BR7400052D0 (da)
CA (1) CA954244A (da)
DE (1) DE2400025A1 (da)
DK (1) DK138097B (da)
FR (1) FR2215762B1 (da)
GB (1) GB1452315A (da)
IE (1) IE38542B1 (da)
IT (1) IT1007144B (da)
NL (1) NL7317766A (da)
ZA (1) ZA738562B (da)

Also Published As

Publication number Publication date
BE810399A (fr) 1974-05-16
IT1007144B (it) 1976-10-30
DE2400025A1 (de) 1974-08-01
NL7317766A (da) 1974-08-01
DK138097C (da) 1978-11-27
ZA738562B (en) 1974-10-30
CA954244A (en) 1974-09-03
AU6281773A (en) 1975-05-22
IE38542L (en) 1974-07-20
BR7400052D0 (pt) 1974-08-22
FR2215762A1 (da) 1974-08-23
DK138097B (da) 1978-07-10
FR2215762B1 (da) 1980-02-08
GB1452315A (en) 1976-10-13
AU475150B2 (en) 1976-08-12

Similar Documents

Publication Publication Date Title
MY118052A (en) Radio telephone with separate antenna for stand-by mode.
GB1466162A (en) Telecommunications systems
EP0281147A3 (en) Hold detecting and control circuit for a key telephone system
JPS6373749A (ja) コ−ドレス電話機と有線電話機との切替方式
US4468538A (en) Wireless telephone system with high level dial pulse signalling
US4468539A (en) Wireless telephone system with intercom signalling and auxiliary station
IE38542L (en) Telephone station.
CA2045022A1 (en) Key telephone interface
EP1089537A2 (en) Line circuit apparatus for supplying power to a telephone set in telecommunication systems
GB1059535A (en) Intercommunication system with voice-frequency key dialling
US4471167A (en) Wireless extension telephone
GB1505926A (en) Telephone line circuit
CA1054277A (en) Telephone circuit to eliminate use of a hold button
JPS60199242A (ja) 有線無線電話機
JPH0378026B2 (da)
JPH0221830Y2 (da)
GB677894A (en) Improvements in or relating to intercommunication telephone systems
JP2596757B2 (ja) インターフェース装置
GB1411075A (en) Telephone systems
KR200164770Y1 (ko) 전화기
CA1054276A (en) Telephone circuit to eliminate use of a hold button
JPS60259027A (ja) コ−ドレス電話装置
JPS60244139A (ja) 機能電話機
JPS5787657A (en) Loudspeaker telephone system
JPS6066551A (ja) 受話拡声付電話機