JPS5745400B2 - - Google Patents

Info

Publication number
JPS5745400B2
JPS5745400B2 JP50148564A JP14856475A JPS5745400B2 JP S5745400 B2 JPS5745400 B2 JP S5745400B2 JP 50148564 A JP50148564 A JP 50148564A JP 14856475 A JP14856475 A JP 14856475A JP S5745400 B2 JPS5745400 B2 JP S5745400B2
Authority
JP
Japan
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
JP50148564A
Other versions
JPS5186902A (ja
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 filed Critical
Priority to US05/644,293 priority Critical patent/US4054900A/en
Publication of JPS5186902A publication Critical patent/JPS5186902A/ja
Publication of JPS5745400B2 publication Critical patent/JPS5745400B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Small-Scale Networks (AREA)
  • Telephonic Communication Services (AREA)
JP50148564A 1974-12-27 1975-12-15 Expired JPS5745400B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/644,293 US4054900A (en) 1974-12-27 1975-12-24 I.I.L. with region connecting base of double diffused injector to substrate/emitter of switching transistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/536,838 US3991282A (en) 1974-12-27 1974-12-27 Multi station telephone switching system

Publications (2)

Publication Number Publication Date
JPS5186902A JPS5186902A (ja) 1976-07-30
JPS5745400B2 true JPS5745400B2 (ja) 1982-09-27

Family

ID=24140132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50148564A Expired JPS5745400B2 (ja) 1974-12-27 1975-12-15

Country Status (15)

Country Link
US (1) US3991282A (ja)
JP (1) JPS5745400B2 (ja)
AU (1) AU500733B2 (ja)
BE (1) BE836634A (ja)
BR (1) BR7508251A (ja)
CA (1) CA1048627A (ja)
CH (1) CH617805A5 (ja)
DE (1) DE2558262C2 (ja)
FR (1) FR2296323A1 (ja)
GB (2) GB1536564A (ja)
IL (1) IL48641A0 (ja)
LU (1) LU74016A1 (ja)
NL (1) NL7514454A (ja)
SE (2) SE457682B (ja)
ZA (1) ZA757770B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046972A (en) * 1976-10-27 1977-09-06 Bell Telephone Laboratories, Incorporated Key telephone station set circuit
US4081614A (en) * 1977-04-14 1978-03-28 Rauland-Borg Corporation Supervised single link telephone system
WO1980002095A1 (en) * 1979-03-23 1980-10-02 Small World Exchange Inc Telephone-conferencing apparatus and method
US4303804A (en) * 1979-03-23 1981-12-01 Small World Exchange, Inc. Telephone-conferencing apparatus and method having line location
US4296282A (en) * 1980-06-30 1981-10-20 Bell Telephone Laboratories, Incorporated Incoming call identification arrangement
US4499337A (en) * 1981-08-11 1985-02-12 Danavox A/S Coupler for microtelephone set
US4510351A (en) * 1982-10-28 1985-04-09 At&T Bell Laboratories ACD Management information system
CA1188831A (en) * 1982-12-14 1985-06-11 Mitel Corporation Telephone indicator
JPS6126357A (ja) * 1984-07-17 1986-02-05 Nitsuko Ltd 割込機能を有する電話システム
US4790004A (en) * 1986-12-10 1988-12-06 American Telephone And Telegraph Company, At&T Information Systems Implied principal busy status indicator for covered calls
US6323894B1 (en) 1993-03-12 2001-11-27 Telebuyer, Llc Commercial product routing system with video vending capability
US5495284A (en) 1993-03-12 1996-02-27 Katz; Ronald A. Scheduling and processing system for telephone video communication
US20030185356A1 (en) 1993-03-12 2003-10-02 Telebuyer, Llc Commercial product telephonic routing system with mobile wireless and video vending capability
US7904056B2 (en) * 2006-03-01 2011-03-08 Ipc Systems, Inc. System, method and apparatus for recording and reproducing trading communications
US8934934B1 (en) * 2007-03-05 2015-01-13 Safecom 911, Inc. Emergency radio communications system incorporating integral public safety radio bridging capability
US9414214B2 (en) 2007-03-05 2016-08-09 Safecom 911, Inc. Emergency radio communications system incorporating integral public safety radio bridging capability
AT509484B1 (de) 2010-04-01 2011-09-15 Rudolf Ing Steiner Haltevorrichtung zum verbinden von profilen zu einem flächigen wandelement

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993095A (en) * 1959-04-10 1961-07-18 American Telephone & Telegraph Private branch exchange telephone system involving a cordless type switchboard
US3150238A (en) * 1961-10-30 1964-09-22 Bell Telephone Labor Inc Relay control circuit
DE1512094B2 (de) * 1967-03-04 1970-02-26 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Fernsprechnebenstellenanlage mit gemeinsamen Amtsleitungen und nichtsperrenden Anschaltetasten an den Nebenstellen
DE2005745C3 (de) * 1970-02-09 1984-06-28 ANT Nachrichtentechnik GmbH, 7150 Backnang Schaltungsanordnung für die Speicherung der Kennzeichnung von Anrufen in zentralen Vermittlungsstellen von Wechselsprechanlagen
US3733442A (en) * 1971-01-18 1973-05-15 Northern Electric Co Hold circuit for multi-line key telephone system
US3727003A (en) * 1971-03-18 1973-04-10 Paraskevakos Elect & Comm Decoding and display apparatus for groups of pulse trains
US3686440A (en) * 1971-03-26 1972-08-22 Sola Basic Ind Inc Telephone calling-station identification
US3757056A (en) * 1972-03-16 1973-09-04 Telecommunication Eng Corp Bipolar multiplexing circuit for telephone line selection
US3819871A (en) * 1972-05-30 1974-06-25 Electronique Appliquee Telephone switching and intercom equipment
US3795776A (en) * 1972-08-23 1974-03-05 Bell Telephone Labor Inc Combined pbx and key telephone arrangement
GB1410508A (en) * 1972-10-12 1975-10-15 Thorn Ericsson Telecomm Telephone systems
CA999388A (en) * 1972-12-07 1976-11-02 American Cyanamid Company Electrochromic information display for telephones
US3928732A (en) * 1973-11-19 1975-12-23 Telephone Associates Inc Extension and line indicating display system for key telephone system
US3931481A (en) * 1974-09-20 1976-01-06 Litton Business Telephone Systems, Inc. Plural line selector apparatus for enabling selection of one of a plurality of telephone lines

Also Published As

Publication number Publication date
CH617805A5 (ja) 1980-06-13
LU74016A1 (ja) 1976-07-20
SE8703658L (sv) 1987-09-22
AU500733B2 (en) 1979-05-31
ZA757770B (en) 1976-11-24
SE8703658D0 (sv) 1987-09-22
FR2296323A1 (fr) 1976-07-23
IL48641A0 (en) 1976-02-29
SE7513995L (sv) 1976-06-28
GB1536563A (en) 1978-12-20
DE2558262C2 (de) 1981-10-08
SE457682B (sv) 1989-01-16
NL7514454A (nl) 1976-06-29
BR7508251A (pt) 1976-08-24
BE836634A (fr) 1976-04-01
FR2296323B1 (ja) 1983-09-09
DE2558262A1 (de) 1976-07-08
GB1536564A (en) 1978-12-20
JPS5186902A (ja) 1976-07-30
US3991282A (en) 1976-11-09
AU8754075A (en) 1977-06-23
CA1048627A (en) 1979-02-13

Similar Documents

Publication Publication Date Title
AU495028B2 (ja)
JPS50122246A (ja)
CH575605A5 (ja)
CH565470A5 (ja)
AU480977A (ja)
AU481639A (ja)
AU482284A (ja)
BE836964A (ja)
BG19639A1 (ja)
BG19682A1 (ja)
BG19903A1 (ja)
BG20001A1 (ja)
BG20447A1 (ja)
BG20459A1 (ja)
BG20643A1 (ja)
BG20852A1 (ja)
BG20988A1 (ja)
BG21133A1 (ja)
BG21288A1 (ja)
BG21290A1 (ja)
BG21327A2 (ja)
BG21452A1 (ja)
BG22566A1 (ja)
BG26001A3 (ja)
CH574819A5 (ja)